Trying to fix checkStateLoss crash + Stopping contacts fetch task if we stop linphone

src/org/linphone/CallOutgoingActivity.java

@@ -157,7 +157,6 @@ public class CallOutgoingActivity extends LinphoneGenericActivity implements OnC
 		}
 		if (mCall == null) {
 			Log.e("Couldn't find outgoing call");
-			LinphoneActivity.instance().goToDialerFragment();
 			finish();
 			return;
 		}
@@ -249,6 +248,8 @@ public class CallOutgoingActivity extends LinphoneGenericActivity implements OnC
 		finish();
 	}
 
+
+
 	private void checkAndRequestCallPermissions() {
 		ArrayList<String> permissionsList = new ArrayList<String>();
 

src/org/linphone/ContactsManager.java

@@ -307,6 +307,11 @@ public class ContactsManager extends ContentObserver {
 			List<LinphoneContact> contacts = new ArrayList<LinphoneContact>();
 			Date contactsTime = new Date();
 
+			//We need to check sometimes to know if Linphone was destroyed
+			if (this.isCancelled()) {
+				return null;
+			}
+
 			if (hasContactsAccess()) {
 				Cursor c = getContactsCursor(contentResolver);
 				if (c != null) {
@@ -323,7 +328,10 @@ public class ContactsManager extends ContentObserver {
 			} else {
 				Log.w("[Permission] Read contacts permission wasn't granted, only fetch LinphoneFriends");
 			}
-
+			//We need to check sometimes to know if Linphone was destroyed
+			if (this.isCancelled()) {
+				return null;
+			}
 			LinphoneCore lc = LinphoneManager.getLcIfManagerNotDestroyedOrNull();
 			if (lc != null) {
 				for (LinphoneFriend friend : lc.getFriendList()) {
@@ -361,6 +369,10 @@ public class ContactsManager extends ContentObserver {
 			int i = 0;
 			
 			for (LinphoneContact contact : contacts) {
+				//We need to check sometimes to know if Linphone was destroyed
+				if (this.isCancelled()) {
+					return null;
+				}
 				// This will only get name & picture informations to be able to quickly display contacts list
 				contact.minimalRefresh();
 				i++;
@@ -382,6 +394,10 @@ public class ContactsManager extends ContentObserver {
 			publishProgress(contacts);
 
 			for (LinphoneContact contact : contacts) {
+				//We need to check sometimes to know if Linphone was destroyed
+				if (this.isCancelled()) {
+					return null;
+				}
 				// This time fetch all informations including phone numbers and SIP addresses
 				contact.refresh();
 			}

src/org/linphone/LinphoneManager.java

@@ -671,7 +671,8 @@ public class LinphoneManager implements LinphoneCoreListener, LinphoneChatMessag
 
 	public synchronized final void destroyLinphoneCore() {
 		sExited = true;
-		BluetoothManager.getInstance().destroy();
+		ContactsManagerDestroy();
+		BluetoothManagerDestroy();
 		try {
 			mTimer.cancel();
 			mLc.destroy();
@@ -936,7 +937,8 @@ public class LinphoneManager implements LinphoneCoreListener, LinphoneChatMessag
 
 	@TargetApi(Build.VERSION_CODES.HONEYCOMB)
 	private void doDestroy() {
-		BluetoothManager.getInstance().destroy();
+		ContactsManagerDestroy();
+		BluetoothManagerDestroy();
 		try {
 			mTimer.cancel();
 			mLc.destroy();
@@ -952,9 +954,18 @@ public class LinphoneManager implements LinphoneCoreListener, LinphoneChatMessag
 		}
 	}
 
+	public static void ContactsManagerDestroy() {
+		if (ContactsManager.getInstance() != null)
+			ContactsManager.getInstance().destroy();
+	}
+
+	public static void BluetoothManagerDestroy() {
+		if (BluetoothManager.getInstance() != null)
+			BluetoothManager.getInstance().destroy();
+	}
+
 	public static synchronized void destroy() {
 		if (instance == null) return;
-		ContactsManager.getInstance().destroy();
 		getInstance().changeStatusToOffline();
 		sExited = true;
 		instance.doDestroy();