(Android Note) App 呼叫另一個 App

1. code

Intent intent = new Intent("android.intent.action.MAIN");
intent.setClassName("package", "package.class"); //package name and class name
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT );
startActivity(intent);

<!--隱藏不顯示在桌面   <category android:name="android.intent.category.LAUNCHER" /> -->