Use more elegant solution to prevent some activities to be in history

AndroidManifest.xml

@@ -73,6 +73,7 @@
             android:launchMode="singleTask"
             android:label="@string/app_name"
             android:theme="@style/NoTitle"
+            android:noHistory="true"
             android:windowSoftInputMode="adjustPan|stateHidden">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
@@ -129,6 +130,7 @@
         <activity
             android:name=".call.CallIncomingActivity"
             android:launchMode="singleTop"
+            android:noHistory="true"
             android:theme="@style/NoTitle">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
@@ -137,6 +139,7 @@
         <activity
             android:name=".call.CallOutgoingActivity"
             android:launchMode="singleTop"
+            android:noHistory="true"
             android:theme="@style/NoTitle">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
@@ -145,6 +148,7 @@
         <activity
             android:name=".call.CallActivity"
             android:launchMode="singleTop"
+            android:noHistory="true"
             android:theme="@style/FullScreen">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>

src/android/org/linphone/activities/LinphoneActivity.java

@@ -1496,7 +1496,6 @@ public class LinphoneActivity extends LinphoneGenericActivity implements OnClick
             displayInapp();
         } else if (extras != null && extras.getBoolean("Notification", false)) {
             if (LinphoneManager.getLc().getCallsNb() > 0) {
-                Call call = LinphoneManager.getLc().getCalls()[0];
                 startIncallActivity();
             }
         } else if (extras != null && extras.getBoolean("StartCall", false)) {
@@ -1505,10 +1504,11 @@ public class LinphoneActivity extends LinphoneGenericActivity implements OnClick
             } else {
                 mAddressWaitingToBeCalled = extras.getString("NumberToCall");
                 goToDialerFragment();
-                //startActivity(new Intent(this, CallIncomingActivity.class));
             }
         } else if (extras != null && extras.getBoolean("Transfer", false)) {
             intent.putExtra("DoNotGoToCallActivity", true);
+        } else if (extras != null && extras.getBoolean("AddCall", false)) {
+            intent.putExtra("DoNotGoToCallActivity", true);
         } else {
             DialerFragment dialerFragment = DialerFragment.instance();
             if (dialerFragment != null) {

src/android/org/linphone/activities/LinphoneLauncherActivity.java

@@ -167,7 +167,6 @@ public class LinphoneLauncherActivity extends Activity {
                         LinphoneActivity.instance().displayChat(null, null, stringUriFileShared);
                     }
                 }
-                finish();
             }
         }, 1000);
     }

src/android/org/linphone/call/CallActivity.java

@@ -1043,9 +1043,9 @@ public class CallActivity extends LinphoneGenericActivity implements OnClickList
 
     public void goBackToDialer() {
         Intent intent = new Intent();
-        intent.putExtra("Transfer", false);
+        intent.setClass(this, LinphoneActivity.class);
-        setResult(Activity.RESULT_FIRST_USER, intent);
+        intent.putExtra("AddCall", true);
-        finish();
+        startActivity(intent);
     }
 
     private void goBackToDialerAndDisplayTransferButton() {
@@ -1053,7 +1053,6 @@ public class CallActivity extends LinphoneGenericActivity implements OnClickList
         intent.setClass(this, LinphoneActivity.class);
         intent.putExtra("Transfer", true);
         startActivity(intent);
-        finish();
     }
 
     private void goToChatList() {
@@ -1061,7 +1060,6 @@ public class CallActivity extends LinphoneGenericActivity implements OnClickList
         intent.setClass(this, LinphoneActivity.class);
         intent.putExtra("GoToChat", true);
         startActivity(intent);
-        finish();
     }
 
     public void acceptCallUpdate(boolean accept) {

src/android/org/linphone/call/CallOutgoingActivity.java

@@ -109,7 +109,6 @@ public class CallOutgoingActivity extends LinphoneGenericActivity implements OnC
                         return;
                     }
                     LinphoneActivity.instance().startIncallActivity();
-                    finish();
                     return;
                 } else if (state == State.Error) {
                     // Convert Core message for internalization
@@ -172,7 +171,6 @@ public class CallOutgoingActivity extends LinphoneGenericActivity implements OnC
                         return;
                     }
                     LinphoneActivity.instance().startIncallActivity();
-                    finish();
                     return;
                 }
             }