空指针保护

app/src/main/java/com/xypower/mpapp/MicroPhotoService.java

@@ -520,7 +520,9 @@ public class MicroPhotoService extends Service {
                 try {
                     Intent launchIntent = context.getPackageManager().getLaunchIntentForPackage(MicroPhotoContext.PACKAGE_NAME_MPMASTER);
                     // launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);
-                    context.startActivity(launchIntent);
+                    if (launchIntent != null) {
+                        context.startActivity(launchIntent);
+                    }
                 } catch (Exception ex) {
                     ex.printStackTrace();
                 }