camera switch fixes for #238

Author: n8fr8

src/main/java/org/havenapp/main/MonitorActivity.java

@@ -35,6 +35,7 @@
 
 import org.havenapp.main.service.MonitorService;
 import org.havenapp.main.ui.AccelConfigureActivity;
+import org.havenapp.main.ui.CameraConfigureActivity;
 import org.havenapp.main.ui.CameraFragment;
 import org.havenapp.main.ui.MicrophoneConfigureActivity;
 
@@ -56,6 +57,11 @@ public class MonitorActivity extends AppCompatActivity implements TimePickerDial
     private boolean mIsInitializedLayout = false;
     private boolean mOnTimerTicking = false;
 
+    private final static int REQUEST_CAMERA = 999;
+    private final static int REQUEST_TIMER = 1000;
+
+    private CameraFragment mFragmentCamera;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -148,7 +154,7 @@ public void onClick(View v) {
         findViewById(R.id.btnCameraSwitch).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                switchCamera();
+                configCamera();
             }
         });
 
@@ -159,21 +165,29 @@ public void onClick(View v) {
             }
         });
 
+        mFragmentCamera =  ((CameraFragment) getSupportFragmentManager().findFragmentById(R.id.fragment_camera));
+
         mIsInitializedLayout = true;
     }
 
-    private void switchCamera() {
+    private void configCamera() {
 
+        mFragmentCamera.stopCamera();
+        startActivityForResult(new Intent(this, CameraConfigureActivity.class),REQUEST_CAMERA);
+        /**
         String camera = preferences.getCamera();
         if (camera.equals(PreferenceManager.FRONT))
             preferences.setCamera(PreferenceManager.BACK);
         else if (camera.equals(PreferenceManager.BACK))
             preferences.setCamera(PreferenceManager.FRONT);
 
         ((CameraFragment) getSupportFragmentManager().findFragmentById(R.id.fragment_camera)).resetCamera();
+         **/
 
     }
 
+
+
     private void updateTimerValue(int val) {
         preferences.setTimerDelay(val);
         int valM = val * 1000;
@@ -212,7 +226,7 @@ private void showSettings() {
         if (cTimer != null) {
             cTimer.cancel();
             cTimer = null;
-            startActivityForResult(i, 9999);
+            startActivityForResult(i, REQUEST_TIMER);
 
         } else {
             startActivity(i);
@@ -224,9 +238,22 @@ private void showSettings() {
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
 
-        if (requestCode == 9999) {
+        if (requestCode == REQUEST_TIMER) {
             initTimer();
         }
+        else if (requestCode == REQUEST_CAMERA)
+        {
+            mFragmentCamera.resetCamera();
+        }
+    }
+
+    @Override
+    protected void onDestroy() {
+        if (!mIsMonitoring)
+        {
+            mFragmentCamera.stopCamera();
+        }
+        super.onDestroy();
     }
 
     private void initTimer() {

src/main/java/org/havenapp/main/sensors/motion/Preview.java

@@ -86,8 +86,13 @@ public class Preview extends SurfaceView implements SurfaceHolder.Callback {
 	 * Messenger used to signal motion to the alert service
 	 */
 	private Messenger serviceMessenger = null;
-	
-    private ServiceConnection mConnection = new ServiceConnection() {
+
+	private SurfaceHolder mHolder;
+	private Camera camera;
+	private Context context;
+	private MotionAsyncTask task;
+
+	private ServiceConnection mConnection = new ServiceConnection() {
 
         public void onServiceConnected(ComponentName className,
                 IBinder service) {
@@ -102,12 +107,6 @@ public void onServiceDisconnected(ComponentName arg0) {
         }
     };
 
-
-	private SurfaceHolder mHolder;
-	private Camera camera;
-	private Context context;
-	private MotionAsyncTask task;
-
 	public Preview (Context context) {
 		super(context);
 		this.context = context;

src/main/java/org/havenapp/main/ui/CameraConfigureActivity.java

@@ -82,6 +82,7 @@ public void onClick(View v) {
             public void onValueChanged(int oldValue, int newValue) {
                 mFragment.setMotionSensitivity(newValue);
                 mPrefManager.setCameraSensitivity(newValue);
+                setResult(RESULT_OK);
             }
         });
         mIsInitializedLayout = true;
@@ -96,7 +97,7 @@ else if (camera.equals(PreferenceManager.BACK))
             mPrefManager.setCamera(PreferenceManager.FRONT);
 
         ((CameraFragment) getSupportFragmentManager().findFragmentById(R.id.fragment_camera)).resetCamera();
-
+        setResult(RESULT_OK);
     }
 
 
@@ -105,17 +106,20 @@ else if (camera.equals(PreferenceManager.BACK))
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case android.R.id.home:
+                mFragment.stopCamera();
                 finish();
                 break;
         }
         return true;
     }
 
+
     /**
      * When user closes the activity
      */
     @Override
     public void onBackPressed() {
+        mFragment.stopCamera();
         finish();
     }
 

src/main/java/org/havenapp/main/ui/CameraFragment.java

@@ -59,10 +59,18 @@ public void onResume() {
         initCamera ();
     }
 
+    public void stopCamera ()
+    {
+        if (preview != null) {
+            preview.stopCamera();
+            preview = null;
+        }
+    }
+
     public void resetCamera ()
     {
+        stopCamera();
         ((FrameLayout) getActivity().findViewById(R.id.preview)).removeAllViews();
-        preview = null;
         initCamera();
     }
 
@@ -87,6 +95,10 @@ public void onProcess(Bitmap oldBitmap, Bitmap newBitmap, Bitmap rawBitmap,
                                           boolean motionDetected) {
                         int rotation = 0;
                         boolean reflex = false;
+
+                        if (preview == null)
+                            return;
+
                         if (preview.getCameraFacing() == Camera.CameraInfo.CAMERA_FACING_BACK) {
                             rotation = 90;
                         } else {
@@ -105,8 +117,6 @@ public void onProcess(Bitmap oldBitmap, Bitmap newBitmap, Bitmap rawBitmap,
     @Override
     public void onDestroy() {
         super.onDestroy();
-
-        preview.stopCamera();
     }
 
     public void onSensorChanged(SensorEvent event) {

src/main/res/values/strings.xml

@@ -135,7 +135,7 @@
     <string name="notification_time_dialog">Enter time (minutes) to limit notifications. \'0\' to send every notification.</string>
     <string name="minutes">minutes(s)</string>
     <string name="keep_watch">Keep Watch!</string>
-    <string name="camera_sensitivity_tip">Select camera and use the slider to adjust motion detection sensitivity</string>
+    <string name="camera_sensitivity_tip">Switch camera or use the slider to adjust motion detection sensitivity</string>
     <string name="disable_battery_opt_title">Disable Battery Optimizations</string>
     <string name="disable_battery_opt_summary">Allow app to run when screen is off</string>