Android Google Play ActivityRecognitionAPI


Exemple

Voici un exemple simple d'utilisation d'ActivityRecognitionApi de GooglePlay Service. Bien qu'il s'agisse d'une excellente bibliothèque, elle ne fonctionne pas sur les appareils sur lesquels Google Play Services n'est pas installé.

Docs pour l'API ActivityRecognition

Manifeste

<!-- This is needed to use Activity Recognition! -->
<uses-permission android:name="com.google.android.gms.permission.ACTIVITY_RECOGNITION" />

<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>

    <receiver android:name=".ActivityReceiver" />
</application>

MainActivity.java

public class MainActivity extends AppCompatActivity implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener {

    private GoogleApiClient apiClient;
    private LocalBroadcastManager localBroadcastManager;
    private BroadcastReceiver localActivityReceiver;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        apiClient = new GoogleApiClient.Builder(this)
                .addApi(ActivityRecognition.API)
                .addConnectionCallbacks(this)
                .addOnConnectionFailedListener(this)
                .build();

        //This just gets the activity intent from the ActivityReceiver class
        localBroadcastManager = LocalBroadcastManager.getInstance(this);
        localActivityReceiver = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {
                ActivityRecognitionResult recognitionResult = ActivityRecognitionResult.extractResult(intent);
                TextView textView = (TextView) findViewById(R.id.activityText);
                
                //This is just to get the activity name. Use at your own risk.
                textView.setText(DetectedActivity.zzkf(recognitionResult.getMostProbableActivity().getType()));
            }
        };
    }

    @Override
    protected void onResume() {
        super.onResume();

        //Register local broadcast receiver
        localBroadcastManager.registerReceiver(localActivityReceiver, new IntentFilter("activity"));

        //Connect google api client
        apiClient.connect();
    }

    @Override
    protected void onPause() {
        super.onPause();

        //Unregister for activity recognition
        ActivityRecognition.ActivityRecognitionApi.removeActivityUpdates(apiClient, PendingIntent.getBroadcast(this, 0, new Intent(this, ActivityReceiver.class), PendingIntent.FLAG_UPDATE_CURRENT));

        //Disconnects api client
        apiClient.disconnect();

        //Unregister local receiver
        localBroadcastManager.unregisterReceiver(localActivityReceiver);
    }

    @Override
    public void onConnected(@Nullable Bundle bundle) {
        //Only register for activity recognition if google api client has connected
        ActivityRecognition.ActivityRecognitionApi.requestActivityUpdates(apiClient, 0, PendingIntent.getBroadcast(this, 0, new Intent(this, ActivityReceiver.class), PendingIntent.FLAG_UPDATE_CURRENT));
    }

    @Override
    public void onConnectionSuspended(int i) {
    }

    @Override
    public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {

    }
}

ActivityReceiver

public class ActivityReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        LocalBroadcastManager.getInstance(context).sendBroadcast(intent.setAction("activity"));
    }
}