activity_main.xml
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<?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
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<?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> |
MainActivity.java
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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); } } |