Added restriction for activity recognition

Closes #1608

CHANGELOG.md

@@ -17,6 +17,7 @@ Changelog
 
 * Fixed error message for Android versions below JellyBean MR1 (SDK 17) ([issue](/../../issues/1602))
 * Reverted "Fixed multi threaded database access", since it leads to freezes on some ROMs
+* Added restriction for [activity recognition](http://developer.android.com/training/location/activity-recognition.html) ([issue](/../../issues/1608))
 * Updated Arabic translation
 
 [Open issues](https://github.com/M66B/XPrivacy/issues?state=open)

res/values/functions.xml

@@ -114,6 +114,7 @@
     <string name="location_GMS_addGeofences" translatable="false"><![CDATA[<a href="https://developer.android.com/reference/com/google/android/gms/location/LocationClient.html#addGeofences(java.util.List&lt;com.google.android.gms.location.Geofence&gt;,%20android.app.PendingIntent,%20com.google.android.gms.location.LocationClient.OnAddGeofencesResultListener)">Google documentation</a>]]></string>
     <string name="location_GMS_getLastLocation" translatable="false"><![CDATA[<a href="https://developer.android.com/reference/com/google/android/gms/location/LocationClient.html#getLastLocation()">Google documentation</a>]]></string>
     <string name="location_GMS_requestLocationUpdates" translatable="false"><![CDATA[<a href="https://developer.android.com/reference/com/google/android/gms/location/LocationClient.html#requestLocationUpdates(com.google.android.gms.location.LocationRequest,%20android.app.PendingIntent)">Google documentation</a>]]></string>
+    <string name="location_GMS_requestActivityUpdates" translatable="false"><![CDATA[<a href="http://developer.android.com/training/location/activity-recognition.html">Google documentation</a>]]></string>
     <!-- media -->
     <string name="media_startRecording" translatable="false"><![CDATA[<a href="https://developer.android.com/reference/android/media/AudioRecord.html#startRecording()">Google documentation</a>]]></string>
     <string name="media_setPreviewCallback" translatable="false"><![CDATA[<a href="https://developer.android.com/reference/android/hardware/Camera.html#setPreviewCallback(android.hardware.Camera.PreviewCallback)">Google documentation</a>]]></string>

src/biz/bokhorst/xprivacy/Meta.java

@@ -150,6 +150,7 @@ public static List<Hook> get() {
 		mListHook.add(new Hook("location", "GMS.addGeofences", "ACCESS_COARSE_LOCATION,ACCESS_FINE_LOCATION", 1, null, null));
 		mListHook.add(new Hook("location", "GMS.getLastLocation", "ACCESS_COARSE_LOCATION,ACCESS_FINE_LOCATION", 1, null, null));
 		mListHook.add(new Hook("location", "GMS.requestLocationUpdates", "ACCESS_COARSE_LOCATION,ACCESS_FINE_LOCATION", 1, null, null));
+		mListHook.add(new Hook("location", "GMS.requestActivityUpdates", "com.google.android.gms.permission.ACTIVITY_RECOGNITION", 1, null, null));
 
 		mListHook.add(new Hook("media", "startRecording", "RECORD_AUDIO", 3, null, null).doNotify());
 		mListHook.add(new Hook("media", "setPreviewCallback", "CAMERA", 1, null, null).doNotify());

src/biz/bokhorst/xprivacy/XActivityRecognitionClient.java

@@ -0,0 +1,63 @@
+package biz.bokhorst.xprivacy;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import android.util.Log;
+
+public class XActivityRecognitionClient extends XHook {
+	private Methods mMethod;
+
+	private XActivityRecognitionClient(Methods method, String restrictionName) {
+		super(restrictionName, "GMS." + method.name(), null);
+		mMethod = method;
+	}
+
+	private XActivityRecognitionClient(Methods method, String restrictionName, int sdk) {
+		super(restrictionName, "GMS." + method.name(), null, sdk);
+		mMethod = method;
+	}
+
+	public String getClassName() {
+		return "com.google.android.gms.location.ActivityRecognitionClient";
+	}
+
+	// @formatter:off
+
+	// public void removeActivityUpdates(PendingIntent callbackIntent)
+	// public void requestActivityUpdates(long detectionIntervalMillis, PendingIntent callbackIntent)
+	// http://developer.android.com/reference/com/google/android/gms/location/ActivityRecognitionClient.html
+
+	// @formatter:on
+
+	private enum Methods {
+		removeActivityUpdates, requestActivityUpdates
+	};
+
+	public static List<XHook> getInstances() {
+		List<XHook> listHook = new ArrayList<XHook>();
+		listHook.add(new XActivityRecognitionClient(Methods.removeActivityUpdates, null, 1));
+		listHook.add(new XActivityRecognitionClient(Methods.requestActivityUpdates, PrivacyManager.cLocation));
+		return listHook;
+	}
+
+	@Override
+	protected void before(XParam param) throws Throwable {
+		if (mMethod == Methods.removeActivityUpdates) {
+			if (isRestricted(param, "GMS.requestActivityUpdates"))
+				param.setResult(null);
+
+		} else if (mMethod == Methods.requestActivityUpdates) {
+			if (isRestricted(param))
+				param.setResult(null);
+
+		} else
+
+			Util.log(this, Log.WARN, "Unknown method=" + param.method.getName());
+	}
+
+	@Override
+	protected void after(XParam param) throws Throwable {
+		// Do nothing
+	}
+}

src/biz/bokhorst/xprivacy/XPrivacy.java

@@ -182,6 +182,13 @@ public void handleLoadPackage(final LoadPackageParam lpparam) throws Throwable {
 		} catch (Throwable ignored) {
 		}
 
+		// User activity
+		try {
+			Class.forName("com.google.android.gms.location.ActivityRecognitionClient", false, lpparam.classLoader);
+			hookAll(XActivityRecognitionClient.getInstances(), lpparam.classLoader, mSecret);
+		} catch (Throwable ignored) {
+		}
+
 		// Google auth
 		try {
 			Class.forName("com.google.android.gms.auth.GoogleAuthUtil", false, lpparam.classLoader);