Android Activity Recognition edit

PathSense Activity Recognition

PathSense activity recognition is another good library for devices which don’t have Google Play Services, as they have built their own activity recognition model, but requires developers register at http://developer.pathsense.com to get an API key and Client ID.

Manifest

<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" />

    <!-- You need to acquire these from their website (http://developer.pathsense.com) -->
    <meta-data
        android:name="com.pathsense.android.sdk.CLIENT_ID"
        android:value="YOUR_CLIENT_ID" />
    <meta-data
        android:name="com.pathsense.android.sdk.API_KEY"
        android:value="YOUR_API_KEY" />
</application>

MainActivity.java

public class MainActivity extends AppCompatActivity {

    private PathsenseLocationProviderApi pathsenseLocationProviderApi;
    private LocalBroadcastManager localBroadcastManager;
    private BroadcastReceiver localActivityReceiver;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        pathsenseLocationProviderApi = PathsenseLocationProviderApi.getInstance(this);

        //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) {
                //The detectedActivities object is passed as a serializable
                PathsenseDetectedActivities detectedActivities = (PathsenseDetectedActivities) intent.getSerializableExtra("ps");
                TextView textView = (TextView) findViewById(R.id.activityText);
                textView.setText(detectedActivities.getMostProbableActivity().getDetectedActivity().name());
            }
        };
    }

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

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

        //This gives an update everytime it receives one, even if it was the same as the last update
        pathsenseLocationProviderApi.requestActivityUpdates(ActivityReceiver.class);

//        This gives updates only when it changes (ON_FOOT -> IN_VEHICLE for example)
//        pathsenseLocationProviderApi.requestActivityChanges(ActivityReceiver.class);
    }

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

        pathsenseLocationProviderApi.removeActivityUpdates();

//        pathsenseLocationProviderApi.removeActivityChanges();

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

ActivityReceiver.java

// You don't have to use their broadcastreceiver, but it's best to do so, and just pass the result
// as needed to another class.
public class ActivityReceiver extends PathsenseActivityRecognitionReceiver {

    @Override
    protected void onDetectedActivities(Context context, PathsenseDetectedActivities pathsenseDetectedActivities) {
        Intent intent = new Intent("activity").putExtra("ps", pathsenseDetectedActivities);
        LocalBroadcastManager.getInstance(context).sendBroadcast(intent);
    }
}

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