Android Activity Recognition Google Play ActivityRecognitionAPI
Example
This is a just a simple example of how to use GooglePlay Service's ActivityRecognitionApi. Although this is a great library, it does not work on devices that do not have Google Play Services installed.
Docs for ActivityRecognition API
Manifest
<!-- 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"));
}
}
