diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 87f99aac5..96351ca56 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -53,7 +53,7 @@
 		<activity android:name="org.linphone.LinphoneActivity"
             android:theme="@android:style/Theme.NoTitleBar"
             android:screenOrientation="nosensor"
-            android:launchMode="singleInstance">
+            android:launchMode="singleTask">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
             </intent-filter>
diff --git a/src/org/linphone/InCallActivity.java b/src/org/linphone/InCallActivity.java
index e9bac3bcf..7f87fab8d 100644
--- a/src/org/linphone/InCallActivity.java
+++ b/src/org/linphone/InCallActivity.java
@@ -49,7 +49,6 @@ import android.widget.LinearLayout;
 /**
  * @author Sylvain Berfini
  */
-//TODO Prevent controls from being hidden while user is using numpad
 public class InCallActivity extends FragmentActivity implements
 									LinphoneOnCallStateChangedListener,
 									LinphoneOnCallEncryptionChangedListener,
@@ -382,50 +381,54 @@ public class InCallActivity extends FragmentActivity implements
 				}
 			}
 			
-			if (controlsHandler != null && mControls != null) {
-				controlsHandler.removeCallbacks(mControls);
-			}
-			
-			controlsHandler.postDelayed(mControls = new Runnable() {
-				public void run() {
-					hideNumpad();
-					
-					if (InCallActivity.this.getResources().getBoolean(R.bool.disable_animations)) {
-						transfer.setVisibility(View.GONE);
-						addCall.setVisibility(View.GONE);
-						mControlsLayout.setVisibility(View.GONE);
-						switchCamera.setVisibility(View.INVISIBLE);
-						options.setImageResource(R.drawable.options);
-					} else {					
-						Animation animation = AnimationUtils.loadAnimation(InCallActivity.this, R.anim.slide_out_top_to_bottom);
-						animation.setAnimationListener(new AnimationListener() {
-							@Override
-							public void onAnimationStart(Animation animation) {
-								video.setEnabled(false); // HACK: Used to avoid controls from being hided if video is switched while controls are hiding
-							}
-							
-							@Override
-							public void onAnimationRepeat(Animation animation) {
-							}
-							
-							@Override
-							public void onAnimationEnd(Animation animation) {
-								video.setEnabled(true); // HACK: Used to avoid controls from being hided if video is switched while controls are hiding
-								transfer.setVisibility(View.GONE);
-								addCall.setVisibility(View.GONE);
-								mControlsLayout.setVisibility(View.GONE);
-								switchCamera.setVisibility(View.INVISIBLE);
-								options.setImageResource(R.drawable.options);
-							}
-						});
-						mControlsLayout.startAnimation(animation);
-						switchCamera.startAnimation(AnimationUtils.loadAnimation(InCallActivity.this, R.anim.slide_out_bottom_to_top));
-					}
-				}
-			}, SECONDS_BEFORE_HIDING_CONTROLS);
+			resetControlsHidingCallBack();
 		}		
 	}
 
+	public void resetControlsHidingCallBack() {
+		if (controlsHandler != null && mControls != null) {
+			controlsHandler.removeCallbacks(mControls);
+		}
+		
+		controlsHandler.postDelayed(mControls = new Runnable() {
+			public void run() {
+				hideNumpad();
+				
+				if (InCallActivity.this.getResources().getBoolean(R.bool.disable_animations)) {
+					transfer.setVisibility(View.GONE);
+					addCall.setVisibility(View.GONE);
+					mControlsLayout.setVisibility(View.GONE);
+					switchCamera.setVisibility(View.INVISIBLE);
+					options.setImageResource(R.drawable.options);
+				} else {					
+					Animation animation = AnimationUtils.loadAnimation(InCallActivity.this, R.anim.slide_out_top_to_bottom);
+					animation.setAnimationListener(new AnimationListener() {
+						@Override
+						public void onAnimationStart(Animation animation) {
+							video.setEnabled(false); // HACK: Used to avoid controls from being hided if video is switched while controls are hiding
+						}
+						
+						@Override
+						public void onAnimationRepeat(Animation animation) {
+						}
+						
+						@Override
+						public void onAnimationEnd(Animation animation) {
+							video.setEnabled(true); // HACK: Used to avoid controls from being hided if video is switched while controls are hiding
+							transfer.setVisibility(View.GONE);
+							addCall.setVisibility(View.GONE);
+							mControlsLayout.setVisibility(View.GONE);
+							switchCamera.setVisibility(View.INVISIBLE);
+							options.setImageResource(R.drawable.options);
+						}
+					});
+					mControlsLayout.startAnimation(animation);
+					switchCamera.startAnimation(AnimationUtils.loadAnimation(InCallActivity.this, R.anim.slide_out_bottom_to_top));
+				}
+			}
+		}, SECONDS_BEFORE_HIDING_CONTROLS);
+	}
+
 	public void setCallControlsVisibleAndRemoveCallbacks() {
 		if (controlsHandler != null && mControls != null) {
 			controlsHandler.removeCallbacks(mControls);
diff --git a/src/org/linphone/LinphonePreferencesActivity.java b/src/org/linphone/LinphonePreferencesActivity.java
index 14b5a1dc3..b2e4b2345 100644
--- a/src/org/linphone/LinphonePreferencesActivity.java
+++ b/src/org/linphone/LinphonePreferencesActivity.java
@@ -103,6 +103,7 @@ public class LinphonePreferencesActivity extends PreferenceActivity implements O
 			// If we were on a LinphonePreferences sub activity, and we came back because of a change of tab, we propagate the event
 			setResult(RESULT_FIRST_USER, data);
 			finish();
+			return;
 		}
 	}
 	
diff --git a/src/org/linphone/PreferencesActivity.java b/src/org/linphone/PreferencesActivity.java
index 127ac09f9..c37b75159 100644
--- a/src/org/linphone/PreferencesActivity.java
+++ b/src/org/linphone/PreferencesActivity.java
@@ -178,6 +178,8 @@ public class PreferencesActivity extends LinphonePreferencesActivity implements
 	}
 	
 	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+		super.onActivityResult(requestCode, resultCode, data);
+		
 		if (requestCode == ADD_SIP_ACCOUNT) {
 			//Verify if last created account is filled
 			SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
@@ -198,8 +200,6 @@ public class PreferencesActivity extends LinphonePreferencesActivity implements
 			}
 			createDynamicAccountsPreferences();
 		}
-		
-		super.onActivityResult(requestCode, resultCode, data);
 	}
 	
 	private void addWizardPreferenceButton() {
diff --git a/src/org/linphone/core/LinphoneCoreImpl.java b/src/org/linphone/core/LinphoneCoreImpl.java
index 6f3683745..1f182b47f 100644
--- a/src/org/linphone/core/LinphoneCoreImpl.java
+++ b/src/org/linphone/core/LinphoneCoreImpl.java
@@ -46,6 +46,7 @@ class LinphoneCoreImpl implements LinphoneCore {
 	private native int getNumberOfCallLogs(long nativePtr);
 	private native void delete(long nativePtr);
 	private native void setNetworkStateReachable(long nativePtr,boolean isReachable);
+	private native boolean isNetworkStateReachable(long nativePtr);
 	private native void setPlaybackGain(long nativeptr, float gain);
 	private native float getPlaybackGain(long nativeptr);
 	private native void muteMic(long nativePtr,boolean isMuted);
@@ -109,7 +110,6 @@ class LinphoneCoreImpl implements LinphoneCore {
 	private native void removeCallLog(long nativePtr, long callLogPtr);
 	private native int getMissedCallsCount(long nativePtr);
 	private native void resetMissedCallsCount(long nativePtr);
-	private native boolean isNetworkReachable(long nativePtr);
 	
 	LinphoneCoreImpl(LinphoneCoreListener listener, File userConfig,File factoryConfig,Object  userdata) throws IOException {
 		mListener=listener;
@@ -442,8 +442,9 @@ class LinphoneCoreImpl implements LinphoneCore {
 		return codecs;
 	}
 	public synchronized boolean isNetworkReachable() {
-		return isNetworkReachable(nativePtr);
+		return isNetworkStateReachable(nativePtr);
 	}
+	
 	public synchronized void enableKeepAlive(boolean enable) {
 		enableKeepAlive(nativePtr,enable);