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.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
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<?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> |
MainActivity.java
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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 } } |