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- package com.ideabiz.fusedlocationprovider;
- import android.content.pm.PackageManager;
- import android.location.Location;
- import android.location.LocationListener;
- import android.support.annotation.NonNull;
- import android.support.annotation.Nullable;
- import android.support.v4.app.ActivityCompat;
- import android.support.v7.app.AppCompatActivity;
- import android.os.Bundle;
- import android.widget.TextView;
- import com.google.android.gms.common.ConnectionResult;
- import com.google.android.gms.common.api.GoogleApiClient;
- import com.google.android.gms.location.LocationRequest;
- import com.google.android.gms.location.LocationServices;
- public class MainActivity extends AppCompatActivity implements GoogleApiClient.ConnectionCallbacks,
- GoogleApiClient.OnConnectionFailedListener, LocationListener {
- TextView txtOutputLat, txtOutputLon;
- Location mLastLocation;
- private GoogleApiClient mGoogleApiClient;
- private LocationRequest mLocationRequest;
- String lat, lon;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- txtOutputLat = (TextView) findViewById(R.id.textView);
- txtOutputLon = (TextView) findViewById(R.id.textView2);
- buildGoogleApiClient();
- }
- @Override
- public void onConnected(Bundle bundle) {
- mLocationRequest = LocationRequest.create();
- mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
- mLocationRequest.setInterval(100); // Update location every second
- LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, (com.google.android.gms.location.LocationListener) this);
- if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.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;
- }
- mLastLocation = LocationServices.FusedLocationApi.getLastLocation(
- mGoogleApiClient);
- if (mLastLocation != null) {
- lat = String.valueOf(mLastLocation.getLatitude());
- lon = String.valueOf(mLastLocation.getLongitude());
- }
- updateUI();
- }
- @Override
- public void onConnectionSuspended(int i) {
- }
- @Override
- public void onLocationChanged(Location location) {
- lat = String.valueOf(location.getLatitude());
- lon = String.valueOf(location.getLongitude());
- updateUI();
- }
- @Override
- public void onStatusChanged(String s, int i, Bundle bundle) {
- }
- @Override
- public void onProviderEnabled(String s) {
- }
- @Override
- public void onProviderDisabled(String s) {
- }
- @Override
- public void onConnectionFailed(ConnectionResult connectionResult) {
- buildGoogleApiClient();
- }
- synchronized void buildGoogleApiClient() {
- mGoogleApiClient = new GoogleApiClient.Builder(this)
- .addConnectionCallbacks(this)
- .addOnConnectionFailedListener(this)
- .addApi(LocationServices.API)
- .build();
- }
- @Override
- protected void onStart() {
- super.onStart();
- mGoogleApiClient.connect();
- }
- @Override
- protected void onDestroy() {
- super.onDestroy();
- mGoogleApiClient.disconnect();
- }
- void updateUI() {
- txtOutputLat.setText(lat);
- txtOutputLon.setText(lon);
- }
- }
- E/AndroidRuntime: FATAL EXCEPTION: main
- Process: com.ideabiz.fusedlocationprovider, PID: 18114
- java.lang.ClassCastException: com.ideabiz.fusedlocationprovider.MainActivity cannot be cast to com.google.android.gms.location.LocationListener
- at com.ideabiz.fusedlocationprovider.MainActivity.onConnected(MainActivity.java:52)
- <?xml version="1.0" encoding="utf-8"?>
- <manifest xmlns:android="http://schemas.android.com/apk/res/android"
- package="com.ideabiz.fusedlocationprovider">
- <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
- <application
- android:allowBackup="true"
- android:icon="@mipmap/ic_launcher"
- android:label="@string/app_name"
- 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>
- <meta-data android:name="com.google.android.gms.version"
- android:value="@integer/google_play_services_version" />
- </application>
- </manifest>
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