can't open my application when i receive call on android

Question

I can't open my application window on top when i rec call on android

my code

Intent intent = new Intent( Intent.ACTION_VIEW); intent.addCategory(Intent.CATEGORY_LAUNCHER); intent.setClassName(getPackageName(), getPackageName()+"."+getLocalClassName()); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT );

startActivity(intent);

need help