dev

android/src/main/java/com/idlefish/flutterboost/BoostChannel.java

@@ -49,9 +49,11 @@ public class BoostChannel {
             a.onChannelRegistered(sInstance);
         }
 
-        final IStateListener stateListener = FlutterBoost.sInstance.mStateListener;
-        if(stateListener != null) {
-            stateListener.onChannelRegistered(registrar,sInstance);
+        if(FlutterBoost.sInstance != null) {
+            final IStateListener stateListener = FlutterBoost.sInstance.mStateListener;
+            if (stateListener != null) {
+                stateListener.onChannelRegistered(registrar, sInstance);
+            }
         }
 
         sActions.clear();

android/src/main/java/com/idlefish/flutterboost/containers/BoostFlutterActivity.java

@@ -108,7 +108,7 @@ public abstract class BoostFlutterActivity extends Activity implements IFlutterV
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
             Window window = getWindow();
             window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
-            window.setStatusBarColor(0x40000000);
+            window.setStatusBarColor(Color.TRANSPARENT);
             window.getDecorView().setSystemUiVisibility(PlatformPlugin.DEFAULT_SYSTEM_UI);
         }