Android | Scripting and security

Utilizar el calendario en Android

(9 votes, average: 3.22 out of 5)

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jesusninoc.calendario.MainActivity">

    <!-- CalendarView with monday as first day and minmal and maximal day -->
    <CalendarView
        android:id="@+id/simpleCalendarView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:firstDayOfWeek="2"
        android:maxDate="01/01/2020"
        android:minDate="01/01/2018" />

</android.support.constraint.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.jesusninoc.calendario.MainActivity">

<CalendarView

android:id="@+id/simpleCalendarView"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:firstDayOfWeek="2"

android:maxDate="01/01/2020"

android:minDate="01/01/2018" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jesusninoc.calendario">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.jesusninoc.calendario">

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

MainActivity.java

package com.jesusninoc.calendario;

import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.CalendarView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    CalendarView simpleCalendarView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        simpleCalendarView = (CalendarView) findViewById(R.id.simpleCalendarView); // get the reference of CalendarView
        // perform setOnDateChangeListener event on CalendarView
        simpleCalendarView.setOnDateChangeListener(new CalendarView.OnDateChangeListener() {
            @Override
            public void onSelectedDayChange(CalendarView view, int year, int month, int dayOfMonth) {
                // display the selected date by using a toast
                Toast.makeText(getApplicationContext(), dayOfMonth + "/" + month + "/" + year, Toast.LENGTH_LONG).show();
            }
        });
    }


}

package com.jesusninoc.calendario;

import android.graphics.Color;

import android.graphics.drawable.Drawable;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.CalendarView;

import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

CalendarView simpleCalendarView;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

simpleCalendarView = (CalendarView) findViewById(R.id.simpleCalendarView); // get the reference of CalendarView

// perform setOnDateChangeListener event on CalendarView

simpleCalendarView.setOnDateChangeListener(new CalendarView.OnDateChangeListener() {

@Override

public void onSelectedDayChange(CalendarView view, int year, int month, int dayOfMonth) {

// display the selected date by using a toast

Toast.makeText(getApplicationContext(), dayOfMonth + "/" + month + "/" + year, Toast.LENGTH_LONG).show();

}

});

}

Ver los sensores disponibles en un dispositivo Android

(3 votes, average: 3.67 out of 5)

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jesusninoc.versensores.MainActivity">

    <TextView
        android:id="@+id/listado"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.jesusninoc.versensores.MainActivity">

<TextView

android:id="@+id/listado"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

app:layout_constraintBottom_toBottomOf="parent"

app:layout_constraintLeft_toLeftOf="parent"

app:layout_constraintRight_toRightOf="parent"

app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jesusninoc.versensores">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.jesusninoc.versensores">

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

MainActivity.java

package com.jesusninoc.versensores;

import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

import java.util.List;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        VerSensores();
    }

    protected void VerSensores(){
        SensorManager sensorManager = (SensorManager)
                getSystemService(SENSOR_SERVICE);

        List<Sensor> listaSensores = sensorManager.
                getSensorList(Sensor.TYPE_ALL);

        for (Sensor sensor : listaSensores) {
            ((TextView)findViewById(R.id.listado)).append(sensor.getName() + "\n");
        }
    }
}

package com.jesusninoc.versensores;

import android.hardware.Sensor;

import android.hardware.SensorManager;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.widget.TextView;

import java.util.List;

public class MainActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

VerSensores();

}

protected void VerSensores(){

SensorManager sensorManager = (SensorManager)

getSystemService(SENSOR_SERVICE);

List<Sensor> listaSensores = sensorManager.

getSensorList(Sensor.TYPE_ALL);

for (Sensor sensor : listaSensores) {

((TextView)findViewById(R.id.listado)).append(sensor.getName() + "\n");

}

Ver los valores del sensor de luz ambiental en un dispositivo Android

(1 votes, average: 5.00 out of 5)

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jesusninoc.versensores.MainActivity">

    <TextView
        android:id="@+id/sensor"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.jesusninoc.versensores.MainActivity">

<TextView

android:id="@+id/sensor"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

app:layout_constraintBottom_toBottomOf="parent"

app:layout_constraintLeft_toLeftOf="parent"

app:layout_constraintRight_toRightOf="parent"

app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jesusninoc.versensores">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.jesusninoc.versensores">

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

MainActivity.java

package com.jesusninoc.versensores;

import android.app.Activity;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.widget.TextView;

public class MainActivity extends Activity implements SensorEventListener {

    private SensorManager senSensorManager;
    private Sensor senAccelerometer;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        senSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
        senAccelerometer = senSensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);
        senSensorManager.registerListener(this, senAccelerometer , SensorManager.SENSOR_DELAY_NORMAL);
    }

    private int contador = 0;

    @Override
    public void onSensorChanged(SensorEvent sensorEvent) {
        Sensor mySensor = sensorEvent.sensor;

        if (mySensor.getType() == Sensor.TYPE_LIGHT) {

            ((TextView)findViewById(R.id.sensor)).append(((int) sensorEvent.values[0]) + "\n");

            contador += 1;

            if (contador%40 == 0)
            {
                ((TextView)findViewById(R.id.sensor)).setText("");
            }
        }
    }

    @Override
    public void onAccuracyChanged(Sensor sensor, int accuracy) {

    }

    protected void onPause() {
        super.onPause();
        senSensorManager.unregisterListener(this);
    }

    protected void onResume() {
        super.onResume();
        senSensorManager.registerListener(this, senAccelerometer, SensorManager.SENSOR_DELAY_NORMAL);
    }
}

package com.jesusninoc.versensores;

import android.app.Activity;

import android.content.Context;

import android.hardware.Sensor;

import android.hardware.SensorEvent;

import android.hardware.SensorEventListener;

import android.hardware.SensorManager;

import android.os.Bundle;

import android.widget.TextView;

public class MainActivity extends Activity implements SensorEventListener {

private SensorManager senSensorManager;

private Sensor senAccelerometer;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

senSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);

senAccelerometer = senSensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);

senSensorManager.registerListener(this, senAccelerometer , SensorManager.SENSOR_DELAY_NORMAL);

}

private int contador = 0;

@Override

public void onSensorChanged(SensorEvent sensorEvent) {

Sensor mySensor = sensorEvent.sensor;

if (mySensor.getType() == Sensor.TYPE_LIGHT) {

((TextView)findViewById(R.id.sensor)).append(((int) sensorEvent.values[0]) + "\n");

contador += 1;

if (contador%40 == 0)

{

((TextView)findViewById(R.id.sensor)).setText("");

}

@Override

public void onAccuracyChanged(Sensor sensor, int accuracy) {

}

protected void onPause() {

super.onPause();

senSensorManager.unregisterListener(this);

}

protected void onResume() {

super.onResume();

senSensorManager.registerListener(this, senAccelerometer, SensorManager.SENSOR_DELAY_NORMAL);

}

Ver las coordenadas GPS en un dispositivo Android

(1 votes, average: 5.00 out of 5)

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jesusninoc.gps.MainActivity">

    <TextView
        android:id="@+id/TextGPS"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Sin posición"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.jesusninoc.gps.MainActivity">

<TextView

android:id="@+id/TextGPS"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Sin posición"

app:layout_constraintBottom_toBottomOf="parent"

app:layout_constraintLeft_toLeftOf="parent"

app:layout_constraintRight_toRightOf="parent"

app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jesusninoc.gps">

    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.jesusninoc.gps">

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

MainActivity.java

package com.jesusninoc.gps;

import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.support.v4.app.ActivityCompat;
import android.os.Bundle;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity implements LocationListener {

    private LocationManager locationManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // All Location API methods require the ACCESS_COARSE_LOCATION or ACCESS_FINE_LOCATION permissions

        // Use with getSystemService(Class) to retrieve a LocationManager for controlling location updates.

        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

        // RequestLocationUpdates(String provider, long minTime, float minDistance, LocationListener listener)

        // Register for location updates using the named provider, and a pending intent.

        // 3 segundos para volver a pedir la posición

        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            // TODO: Consider calling
            //    ActivityCompat#requestPermissions
            // here to request the missing permissions, and then overriding
            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
            //                                          int[] grantResults)
            // to handle the case where the user grants the permission. See the documentation
            // for ActivityCompat#requestPermissions for more details.
            return;
        }
        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 3000, 10, this);
    }

    @Override
    public void onLocationChanged(Location location) {

        String str = "Latitud: " + location.getLatitude() + " Longitud: " + location.getLongitude();

        // Mostrar la latitud y la longitud en un TextView

        ((TextView)findViewById(R.id.TextGPS)).setText(str);

        // Mostrar la latitud y la longitud con Toast

        Toast.makeText(getBaseContext(), str, Toast.LENGTH_LONG).show();
    }

    @Override
    public void onProviderDisabled(String provider) {

        // GPS desactivado

        Toast.makeText(getBaseContext(), "GPS desactivado", Toast.LENGTH_LONG).show();
    }

    @Override
    public void onProviderEnabled(String provider) {

        // GPS activado

        Toast.makeText(getBaseContext(), "GPS activado", Toast.LENGTH_LONG).show();
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
        // TODO Auto-generated method stub

    }
}

package com.jesusninoc.gps;

import android.Manifest;

import android.app.Activity;

import android.content.Context;

import android.content.pm.PackageManager;

import android.location.Location;

import android.location.LocationListener;

import android.location.LocationManager;

import android.support.v4.app.ActivityCompat;

import android.os.Bundle;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity implements LocationListener {

private LocationManager locationManager;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

// All Location API methods require the ACCESS_COARSE_LOCATION or ACCESS_FINE_LOCATION permissions

// Use with getSystemService(Class) to retrieve a LocationManager for controlling location updates.

locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

// RequestLocationUpdates(String provider, long minTime, float minDistance, LocationListener listener)

// Register for location updates using the named provider, and a pending intent.

// 3 segundos para volver a pedir la posición

if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {

// TODO: Consider calling

// ActivityCompat#requestPermissions

// here to request the missing permissions, and then overriding

// public void onRequestPermissionsResult(int requestCode, String[] permissions,

// int[] grantResults)

// to handle the case where the user grants the permission. See the documentation

// for ActivityCompat#requestPermissions for more details.

return;

}

locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 3000, 10, this);

}

@Override

public void onLocationChanged(Location location) {

String str = "Latitud: " + location.getLatitude() + " Longitud: " + location.getLongitude();

// Mostrar la latitud y la longitud en un TextView

((TextView)findViewById(R.id.TextGPS)).setText(str);

// Mostrar la latitud y la longitud con Toast

Toast.makeText(getBaseContext(), str, Toast.LENGTH_LONG).show();

}

@Override

public void onProviderDisabled(String provider) {

// GPS desactivado

Toast.makeText(getBaseContext(), "GPS desactivado", Toast.LENGTH_LONG).show();

}

@Override

public void onProviderEnabled(String provider) {

// GPS activado

Toast.makeText(getBaseContext(), "GPS activado", Toast.LENGTH_LONG).show();

}

@Override

public void onStatusChanged(String provider, int status, Bundle extras) {

// TODO Auto-generated method stub

}

Cargar de forma sencilla un contenido JSON en Android con Volley y Gson

(2 votes, average: 5.00 out of 5)

content_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jesusninoc.json.MainActivity">

    <TextView
        android:id="@+id/TextResult"
        android:layout_width="315dp"
        android:layout_height="0dp"
        android:text="Resultado de JSON"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintHorizontal_bias="0.507"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.jesusninoc.json.MainActivity">

<TextView

android:id="@+id/TextResult"

android:layout_width="315dp"

android:layout_height="0dp"

android:text="Resultado de JSON"

app:layout_constraintBottom_toBottomOf="parent"

app:layout_constraintHorizontal_bias="0.507"

app:layout_constraintLeft_toLeftOf="parent"

app:layout_constraintRight_toRightOf="parent"

app:layout_constraintTop_toTopOf="parent"

app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jesusninoc.json">

    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.jesusninoc.json">

<uses-permission android:name="android.permission.INTERNET"/>

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<activity

android:name=".MainActivity"

android:label="@string/app_name"

android:theme="@style/AppTheme.NoActionBar">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

MainActivity.java

package com.jesusninoc.json;

import android.app.ProgressDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;

import com.google.gson.Gson;

import java.util.List;
import java.util.Map;

public class MainActivity extends AppCompatActivity {

    List<Object> list;
    Gson gson;
    ProgressDialog progressDialog;
    ListView postList;
    Map<String,Object> mapPost;
    Map<String,Object> mapTitle;
    int postID;
    String postTitle[];

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        RealizarPost();
    }

    public void RealizarPost() {

        StringRequest request = new StringRequest(Request.Method.GET, "https://www.jesusninoc.com/wp-json/wp/v2/posts/", new Response.Listener<String>() {
            @Override
            public void onResponse(String s) {
                gson = new Gson();
                list = (List) gson.fromJson(s, List.class);
                postTitle = new String[list.size()];

                for(int i=0;i<list.size();++i){
                    mapPost = (Map<String,Object>)list.get(i);
                    mapTitle = (Map<String, Object>) mapPost.get("title");
                    postTitle[i] = (String) mapTitle.get("rendered");
                    ((TextView)findViewById(R.id.TextResult)).append(postTitle[i]+"\n");
                }
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError volleyError) {
                Toast.makeText(MainActivity.this, "Error al procesar el JSON", Toast.LENGTH_LONG).show();
            }
        });
        
        Volley.newRequestQueue(this).add(request);
    }
}

package com.jesusninoc.json;

import android.app.ProgressDialog;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.widget.ListView;

import android.widget.TextView;

import android.widget.Toast;

import com.android.volley.Request;

import com.android.volley.Response;

import com.android.volley.VolleyError;

import com.android.volley.toolbox.StringRequest;

import com.android.volley.toolbox.Volley;

import com.google.gson.Gson;

import java.util.List;

import java.util.Map;

public class MainActivity extends AppCompatActivity {

List<Object> list;

Gson gson;

ProgressDialog progressDialog;

ListView postList;

Map<String,Object> mapPost;

Map<String,Object> mapTitle;

int postID;

String postTitle[];

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

RealizarPost();

}

public void RealizarPost() {

StringRequest request = new StringRequest(Request.Method.GET, "https://www.jesusninoc.com/wp-json/wp/v2/posts/", new Response.Listener<String>() {

@Override

public void onResponse(String s) {

gson = new Gson();

list = (List) gson.fromJson(s, List.class);

postTitle = new String[list.size()];

for(int i=0;i<list.size();++i){

mapPost = (Map<String,Object>)list.get(i);

mapTitle = (Map<String, Object>) mapPost.get("title");

postTitle[i] = (String) mapTitle.get("rendered");

((TextView)findViewById(R.id.TextResult)).append(postTitle[i]+"\n");

}

}, new Response.ErrorListener() {

@Override

public void onErrorResponse(VolleyError volleyError) {

Toast.makeText(MainActivity.this, "Error al procesar el JSON", Toast.LENGTH_LONG).show();

}

});

Volley.newRequestQueue(this).add(request);

}

build.gradle (Module: app)

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    defaultConfig {
        applicationId "com.jesusninoc.json"
        minSdkVersion 15
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
    compile 'com.android.volley:volley:1.0.0'
    compile 'com.google.code.gson:gson:2.2.+'
}

apply plugin: 'com.android.application'

android {

compileSdkVersion 26

defaultConfig {

applicationId "com.jesusninoc.json"

minSdkVersion 15

targetSdkVersion 26

versionCode 1

versionName "1.0"

testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

}

buildTypes {

release {

minifyEnabled false

proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

}

dependencies {

implementation fileTree(dir: 'libs', include: ['*.jar'])

implementation 'com.android.support:appcompat-v7:26.1.0'

implementation 'com.android.support.constraint:constraint-layout:1.0.2'

testImplementation 'junit:junit:4.12'

androidTestImplementation 'com.android.support.test:runner:1.0.1'

androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'

compile 'com.android.volley:volley:1.0.0'

compile 'com.google.code.gson:gson:2.2.+'

}

Cargar de forma sencilla un contenido JSON en Android con Volley mediante un JSONArray

(1 votes, average: 5.00 out of 5)

content_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jesusninoc.json.MainActivity">

    <TextView
        android:id="@+id/TextResult"
        android:layout_width="315dp"
        android:layout_height="0dp"
        android:text="Resultado de JSON"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintHorizontal_bias="0.507"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.jesusninoc.json.MainActivity">

<TextView

android:id="@+id/TextResult"

android:layout_width="315dp"

android:layout_height="0dp"

android:text="Resultado de JSON"

app:layout_constraintBottom_toBottomOf="parent"

app:layout_constraintHorizontal_bias="0.507"

app:layout_constraintLeft_toLeftOf="parent"

app:layout_constraintRight_toRightOf="parent"

app:layout_constraintTop_toTopOf="parent"

app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jesusninoc.json">

    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.jesusninoc.json">

<uses-permission android:name="android.permission.INTERNET"/>

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<activity

android:name=".MainActivity"

android:label="@string/app_name"

android:theme="@style/AppTheme.NoActionBar">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

MainActivity.java

package com.jesusninoc.json;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonArrayRequest;
import com.android.volley.toolbox.Volley;

import org.json.JSONException;
import org.json.JSONArray;
import org.json.JSONObject;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        RealizarPost();
    }

    public void RealizarPost() {

        JsonArrayRequest jsonArrayRequest = new JsonArrayRequest(Request.Method.GET,
                "https://www.jesusninoc.com/wp-json/wp/v2/posts", null, new Response.Listener<JSONArray>() {
            public void onResponse(JSONArray response) {
                try {
                    for(int i=0;i<response.length();i++) {
                        // Get current JSON object
                        JSONObject posts = response.getJSONObject(i);
                        ((TextView) findViewById(R.id.TextResult)).append(posts.getString("title"));
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        error.printStackTrace();
                    }
                }
        ) {
        };
        Volley.newRequestQueue(this).add(jsonArrayRequest);
    }
}

package com.jesusninoc.json;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.widget.TextView;

import com.android.volley.Request;

import com.android.volley.Response;

import com.android.volley.VolleyError;

import com.android.volley.toolbox.JsonArrayRequest;

import com.android.volley.toolbox.Volley;

import org.json.JSONException;

import org.json.JSONArray;

import org.json.JSONObject;

public class MainActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

RealizarPost();

}

public void RealizarPost() {

JsonArrayRequest jsonArrayRequest = new JsonArrayRequest(Request.Method.GET,

"https://www.jesusninoc.com/wp-json/wp/v2/posts", null, new Response.Listener<JSONArray>() {

public void onResponse(JSONArray response) {

try {

for(int i=0;i<response.length();i++) {

// Get current JSON object

JSONObject posts = response.getJSONObject(i);

((TextView) findViewById(R.id.TextResult)).append(posts.getString("title"));

}

} catch (JSONException e) {

e.printStackTrace();

}

new Response.ErrorListener() {

@Override

public void onErrorResponse(VolleyError error) {

error.printStackTrace();

}

) {

};

Volley.newRequestQueue(this).add(jsonArrayRequest);

}

build.gradle (Module: app)

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    defaultConfig {
        applicationId "com.jesusninoc.json"
        minSdkVersion 18
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    packagingOptions {
        exclude 'META-INF/DEPENDENCIES'
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    implementation 'com.android.support:design:26.1.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'org.apache.httpcomponents:httpclient:4.5'
}

apply plugin: 'com.android.application'

android {

compileSdkVersion 26

defaultConfig {

applicationId "com.jesusninoc.json"

minSdkVersion 18

targetSdkVersion 26

versionCode 1

versionName "1.0"

testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

}

buildTypes {

release {

minifyEnabled false

proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

}

packagingOptions {

exclude 'META-INF/DEPENDENCIES'

}

dependencies {

implementation fileTree(dir: 'libs', include: ['*.jar'])

implementation 'com.android.support:appcompat-v7:26.1.0'

implementation 'com.android.support.constraint:constraint-layout:1.0.2'

implementation 'com.android.support:design:26.1.0'

testImplementation 'junit:junit:4.12'

androidTestImplementation 'com.android.support.test:runner:1.0.1'

androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'

compile fileTree(dir: 'libs', include: ['*.jar'])

compile 'org.apache.httpcomponents:httpclient:4.5'

}

Cargar de forma sencilla un contenido JSON en Android con Volley

(No Ratings Yet)

content_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jesusninoc.json.MainActivity">

    <TextView
        android:id="@+id/TextResult"
        android:layout_width="315dp"
        android:layout_height="0dp"
        android:text="Resultado de JSON"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintHorizontal_bias="0.507"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.jesusninoc.json.MainActivity">

<TextView

android:id="@+id/TextResult"

android:layout_width="315dp"

android:layout_height="0dp"

android:text="Resultado de JSON"

app:layout_constraintBottom_toBottomOf="parent"

app:layout_constraintHorizontal_bias="0.507"

app:layout_constraintLeft_toLeftOf="parent"

app:layout_constraintRight_toRightOf="parent"

app:layout_constraintTop_toTopOf="parent"

app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jesusninoc.json">

    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.jesusninoc.json">

<uses-permission android:name="android.permission.INTERNET"/>

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<activity

android:name=".MainActivity"

android:label="@string/app_name"

android:theme="@style/AppTheme.NoActionBar">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

MainActivity.java

package com.jesusninoc.json;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.Volley;

import org.json.JSONException;
import org.json.JSONObject;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        RealizarPost();
    }

    public void RealizarPost() {

        JsonObjectRequest jsonObjReq = new JsonObjectRequest(Request.Method.GET,
                "https://www.jesusninoc.com/wp-json/wp/v2/posts/14722", null, new Response.Listener<JSONObject>() {
            @Override
            public void onResponse(JSONObject response) {
                try {
                    ((TextView)findViewById(R.id.TextResult)).setText(response.getString("title"));
                    ((TextView)findViewById(R.id.TextResult)).append(response.getString("content"));
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        error.printStackTrace();
                    }
                }
        ) {
        };
        Volley.newRequestQueue(this).add(jsonObjReq);
    }
}

package com.jesusninoc.json;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.widget.TextView;

import com.android.volley.Request;

import com.android.volley.Response;

import com.android.volley.VolleyError;

import com.android.volley.toolbox.JsonObjectRequest;

import com.android.volley.toolbox.Volley;

import org.json.JSONException;

import org.json.JSONObject;

public class MainActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

RealizarPost();

}

public void RealizarPost() {

JsonObjectRequest jsonObjReq = new JsonObjectRequest(Request.Method.GET,

"https://www.jesusninoc.com/wp-json/wp/v2/posts/14722", null, new Response.Listener<JSONObject>() {

@Override

public void onResponse(JSONObject response) {

try {

((TextView)findViewById(R.id.TextResult)).setText(response.getString("title"));

((TextView)findViewById(R.id.TextResult)).append(response.getString("content"));

} catch (JSONException e) {

e.printStackTrace();

}

new Response.ErrorListener() {

@Override

public void onErrorResponse(VolleyError error) {

error.printStackTrace();

}

) {

};

Volley.newRequestQueue(this).add(jsonObjReq);

}

build.gradle (Module: app)

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    defaultConfig {
        applicationId "com.jesusninoc.json"
        minSdkVersion 18
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    packagingOptions {
        exclude 'META-INF/DEPENDENCIES'
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    implementation 'com.android.support:design:26.1.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'org.apache.httpcomponents:httpclient:4.5'
}

apply plugin: 'com.android.application'

android {

compileSdkVersion 26

defaultConfig {

applicationId "com.jesusninoc.json"

minSdkVersion 18

targetSdkVersion 26

versionCode 1

versionName "1.0"

testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

}

buildTypes {

release {

minifyEnabled false

proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

}

packagingOptions {

exclude 'META-INF/DEPENDENCIES'

}

dependencies {

implementation fileTree(dir: 'libs', include: ['*.jar'])

implementation 'com.android.support:appcompat-v7:26.1.0'

implementation 'com.android.support.constraint:constraint-layout:1.0.2'

implementation 'com.android.support:design:26.1.0'

testImplementation 'junit:junit:4.12'

androidTestImplementation 'com.android.support.test:runner:1.0.1'

androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'

compile fileTree(dir: 'libs', include: ['*.jar'])

compile 'org.apache.httpcomponents:httpclient:4.5'

}

Realizar petición HTTP utilizando el método POST en Android con Volley

(1 votes, average: 5.00 out of 5)

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jesusninoc.post.MainActivity">

    <TextView
        android:id="@+id/TextResult"
        android:layout_width="315dp"
        android:layout_height="0dp"
        android:text="Resultado de POST"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintHorizontal_bias="0.507"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.jesusninoc.post.MainActivity">

<TextView

android:id="@+id/TextResult"

android:layout_width="315dp"

android:layout_height="0dp"

android:text="Resultado de POST"

app:layout_constraintBottom_toBottomOf="parent"

app:layout_constraintHorizontal_bias="0.507"

app:layout_constraintLeft_toLeftOf="parent"

app:layout_constraintRight_toRightOf="parent"

app:layout_constraintTop_toTopOf="parent"

app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jesusninoc.post">

    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.jesusninoc.post">

<uses-permission android:name="android.permission.INTERNET" />

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

MainActivity.java

package com.jesusninoc.post;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;

import java.util.HashMap;
import java.util.Map;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        RealizarPost();
    }

    public void RealizarPost() {

        String url = "https://www.jesusninoc.com/wp-json-form-7/v1/contact-forms/204/feedback";

        StringRequest postRequest = new StringRequest(Request.Method.POST, url,
                new Response.Listener<String>() {
                    @Override
                    public void onResponse(String response) {
                        ((TextView)findViewById(R.id.TextResult)).setText(response);
                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        error.printStackTrace();
                    }
                }
        ) {
            @Override
            protected Map<String, String> getParams()
            {
                Map<String, String>  params = new HashMap<>();
                // the POST parameters:
                params.put("your-name", "Pepito Grillo");
                return params;
            }
        };
        Volley.newRequestQueue(this).add(postRequest);
    }
}

package com.jesusninoc.post;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.widget.TextView;

import com.android.volley.Request;

import com.android.volley.Response;

import com.android.volley.VolleyError;

import com.android.volley.toolbox.StringRequest;

import com.android.volley.toolbox.Volley;

import java.util.HashMap;

import java.util.Map;

public class MainActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

RealizarPost();

}

public void RealizarPost() {

String url = "https://www.jesusninoc.com/wp-json-form-7/v1/contact-forms/204/feedback";

StringRequest postRequest = new StringRequest(Request.Method.POST, url,

new Response.Listener<String>() {

@Override

public void onResponse(String response) {

((TextView)findViewById(R.id.TextResult)).setText(response);

}

new Response.ErrorListener() {

@Override

public void onErrorResponse(VolleyError error) {

error.printStackTrace();

}

) {

@Override

protected Map<String, String> getParams()

{

Map<String, String> params = new HashMap<>();

// the POST parameters:

params.put("your-name", "Pepito Grillo");

return params;

}

};

Volley.newRequestQueue(this).add(postRequest);

}

build.gradle (Module: app)

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    defaultConfig {
        applicationId "com.jesusninoc.post"
        minSdkVersion 15
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
    compile 'com.android.volley:volley:1.0.0'
}

apply plugin: 'com.android.application'

android {

compileSdkVersion 26

defaultConfig {

applicationId "com.jesusninoc.post"

minSdkVersion 15

targetSdkVersion 26

versionCode 1

versionName "1.0"

testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

}

buildTypes {

release {

minifyEnabled false

proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

}

dependencies {

implementation fileTree(dir: 'libs', include: ['*.jar'])

implementation 'com.android.support:appcompat-v7:26.1.0'

implementation 'com.android.support.constraint:constraint-layout:1.0.2'

testImplementation 'junit:junit:4.12'

androidTestImplementation 'com.android.support.test:runner:1.0.1'

androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'

compile 'com.android.volley:volley:1.0.0'

}

Cargar de forma sencilla un contenido JSON en Android

(No Ratings Yet)

content_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jesusninoc.jsonleer.MainActivity">

    <TextView
        android:id="@+id/TextResult"
        android:layout_width="315dp"
        android:layout_height="0dp"
        android:text="Resultado de POST"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintHorizontal_bias="0.507"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.jesusninoc.jsonleer.MainActivity">

<TextView

android:id="@+id/TextResult"

android:layout_width="315dp"

android:layout_height="0dp"

android:text="Resultado de POST"

app:layout_constraintBottom_toBottomOf="parent"

app:layout_constraintHorizontal_bias="0.507"

app:layout_constraintLeft_toLeftOf="parent"

app:layout_constraintRight_toRightOf="parent"

app:layout_constraintTop_toTopOf="parent"

app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jesusninoc.jsonleer">

    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.jesusninoc.jsonleer">

<uses-permission android:name="android.permission.INTERNET"/>

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<activity

android:name=".MainActivity"

android:label="@string/app_name"

android:theme="@style/AppTheme.NoActionBar">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

MainActivity.java

package com.jesusninoc.jsonleer;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import android.widget.Toast;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

public class MainActivity extends Activity {

    public String readJSONFeed(String URL) {
        StringBuilder stringBuilder = new StringBuilder();
        HttpClient httpClient = new DefaultHttpClient();
        HttpGet httpGet = new HttpGet(URL);
        try {
            HttpResponse response = httpClient.execute(httpGet);
            StatusLine statusLine = response.getStatusLine();
            int statusCode = statusLine.getStatusCode();
            if (statusCode == 200) {
                HttpEntity entity = response.getEntity();
                InputStream inputStream = entity.getContent();
                BufferedReader reader = new BufferedReader(
                        new InputStreamReader(inputStream));
                String line;
                while ((line = reader.readLine()) != null) {
                    stringBuilder.append(line);
                }
                inputStream.close();
            } else {
                Log.d("JSON", "Failed to download file");
            }
        } catch (Exception e) {
            Log.d("readJSONFeed", e.getLocalizedMessage());
        }
        return stringBuilder.toString();
    }

    private class ReadFeedTask extends AsyncTask
            <String, Void, String> {
        protected String doInBackground(String... urls) {
            return readJSONFeed(urls[0]);
        }

        protected void onPostExecute(String result) {
            try {
                JSONObject jsonObject = new JSONObject(result);
                Toast.makeText(getBaseContext(),
                        jsonObject.getString("title"),
                        Toast.LENGTH_SHORT).show();
                ((TextView)findViewById(R.id.TextResult)).setText((jsonObject.getString("title"));
            } catch (Exception e) {
                Log.d("Exception", e.getLocalizedMessage());
            }
        }
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.content_main);
        new ReadFeedTask().execute(
                "https://www.jesusninoc.com/wp-json/wp/v2/posts/14722");
    }

}

package com.jesusninoc.jsonleer;

import android.app.Activity;

import android.os.AsyncTask;

import android.os.Bundle;

import android.util.Log;

import android.widget.TextView;

import android.widget.Toast;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.StatusLine;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.DefaultHttpClient;

import org.json.JSONObject;

import java.io.BufferedReader;

import java.io.InputStream;

import java.io.InputStreamReader;

public class MainActivity extends Activity {

public String readJSONFeed(String URL) {

StringBuilder stringBuilder = new StringBuilder();

HttpClient httpClient = new DefaultHttpClient();

HttpGet httpGet = new HttpGet(URL);

try {

HttpResponse response = httpClient.execute(httpGet);

StatusLine statusLine = response.getStatusLine();

int statusCode = statusLine.getStatusCode();

if (statusCode == 200) {

HttpEntity entity = response.getEntity();

InputStream inputStream = entity.getContent();

BufferedReader reader = new BufferedReader(

new InputStreamReader(inputStream));

String line;

while ((line = reader.readLine()) != null) {

stringBuilder.append(line);

}

inputStream.close();

} else {

Log.d("JSON", "Failed to download file");

}

} catch (Exception e) {

Log.d("readJSONFeed", e.getLocalizedMessage());

}

return stringBuilder.toString();

}

private class ReadFeedTask extends AsyncTask

<String, Void, String> {

protected String doInBackground(String... urls) {

return readJSONFeed(urls[0]);

}

protected void onPostExecute(String result) {

try {

JSONObject jsonObject = new JSONObject(result);

Toast.makeText(getBaseContext(),

jsonObject.getString("title"),

Toast.LENGTH_SHORT).show();

((TextView)findViewById(R.id.TextResult)).setText((jsonObject.getString("title"));

} catch (Exception e) {

Log.d("Exception", e.getLocalizedMessage());

}

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.content_main);

new ReadFeedTask().execute(

"https://www.jesusninoc.com/wp-json/wp/v2/posts/14722");

}

build.gradle (Module: app)

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    defaultConfig {
        applicationId "com.jesusninoc.jsonleer"
        minSdkVersion 18
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    packagingOptions {
        exclude 'META-INF/DEPENDENCIES'
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    implementation 'com.android.support:design:26.1.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'org.apache.httpcomponents:httpclient:4.5'
}

apply plugin: 'com.android.application'

android {

compileSdkVersion 26

defaultConfig {

applicationId "com.jesusninoc.jsonleer"

minSdkVersion 18

targetSdkVersion 26

versionCode 1

versionName "1.0"

testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

}

buildTypes {

release {

minifyEnabled false

proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

}

packagingOptions {

exclude 'META-INF/DEPENDENCIES'

}

dependencies {

implementation fileTree(dir: 'libs', include: ['*.jar'])

implementation 'com.android.support:appcompat-v7:26.1.0'

implementation 'com.android.support.constraint:constraint-layout:1.0.2'

implementation 'com.android.support:design:26.1.0'

testImplementation 'junit:junit:4.12'

androidTestImplementation 'com.android.support.test:runner:1.0.1'

androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'

compile fileTree(dir: 'libs', include: ['*.jar'])

compile 'org.apache.httpcomponents:httpclient:4.5'

}

Ver las coordenadas del sensor giroscopio en un dispositivo Android

(1 votes, average: 5.00 out of 5)

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jesusninoc.versensores.MainActivity">

    <TextView
        android:id="@+id/sensor"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.jesusninoc.versensores.MainActivity">

<TextView

android:id="@+id/sensor"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

app:layout_constraintBottom_toBottomOf="parent"

app:layout_constraintLeft_toLeftOf="parent"

app:layout_constraintRight_toRightOf="parent"

app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jesusninoc.versensores">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.jesusninoc.versensores">

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

MainActivity.java

package com.jesusninoc.versensores;

import android.app.Activity;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.widget.TextView;

public class MainActivity extends Activity implements SensorEventListener {

    private SensorManager senSensorManager;
    private Sensor senAccelerometer;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        senSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
        senAccelerometer = senSensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
        senSensorManager.registerListener(this, senAccelerometer , SensorManager.SENSOR_DELAY_NORMAL);
    }

    private int contador = 0;

    @Override
    public void onSensorChanged(SensorEvent sensorEvent) {
        Sensor mySensor = sensorEvent.sensor;

        if (mySensor.getType() == Sensor.TYPE_GYROSCOPE) {
            float x = sensorEvent.values[0];
            float y = sensorEvent.values[1];
            float z = sensorEvent.values[2];

            ((TextView)findViewById(R.id.sensor)).append(x+ " "+ y+ " "+ z + "\n");

            contador += 1;

            if (contador%40 == 0)
            {
                ((TextView)findViewById(R.id.sensor)).setText("");
            }
        }
    }

    @Override
    public void onAccuracyChanged(Sensor sensor, int accuracy) {

    }

    protected void onPause() {
        super.onPause();
        senSensorManager.unregisterListener(this);
    }

    protected void onResume() {
        super.onResume();
        senSensorManager.registerListener(this, senAccelerometer, SensorManager.SENSOR_DELAY_NORMAL);
    }
}

package com.jesusninoc.versensores;

import android.app.Activity;

import android.content.Context;

import android.hardware.Sensor;

import android.hardware.SensorEvent;

import android.hardware.SensorEventListener;

import android.hardware.SensorManager;

import android.os.Bundle;

import android.widget.TextView;

public class MainActivity extends Activity implements SensorEventListener {

private SensorManager senSensorManager;

private Sensor senAccelerometer;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

senSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);

senAccelerometer = senSensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);

senSensorManager.registerListener(this, senAccelerometer , SensorManager.SENSOR_DELAY_NORMAL);

}

private int contador = 0;

@Override

public void onSensorChanged(SensorEvent sensorEvent) {

Sensor mySensor = sensorEvent.sensor;

if (mySensor.getType() == Sensor.TYPE_GYROSCOPE) {

float x = sensorEvent.values[0];

float y = sensorEvent.values[1];

float z = sensorEvent.values[2];

((TextView)findViewById(R.id.sensor)).append(x+ " "+ y+ " "+ z + "\n");

contador += 1;

if (contador%40 == 0)

{

((TextView)findViewById(R.id.sensor)).setText("");

}

@Override

public void onAccuracyChanged(Sensor sensor, int accuracy) {

}

protected void onPause() {

super.onPause();

senSensorManager.unregisterListener(this);

}

protected void onResume() {

super.onResume();

senSensorManager.registerListener(this, senAccelerometer, SensorManager.SENSOR_DELAY_NORMAL);

}

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