extends Service 的 Dialog - TYPE_SYSTEM_ALERT

一定要加權限 ./AndroidManifest.xml

<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />

主程式加入

final AlertDialog.Builder mAB = new AlertDialog.Builder(this);

final DialogInterface.OnClickListener di_onclick = new DialogInterface.OnClickListener()

{

    public void onClick(DialogInterface dialog, int which)

    { 

        switch(which)

        {

            case ID_SELECT:         //int ID_SELECT = 0;

               

                break;

            case ID_DELETE:        //int ID_DELETE = 1;

                break;

        }

    }

};       

mAB.setTitle(R.string.str_dialog_title);

mAB.setIcon(R.drawable.dialog_title_icon);

mAB.setItems(R.array.dialog_item, di_onclick); 

    

AlertDialog alert = mAB.create();

alert.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);

alert.show();

./res/values/arrays.xml

<resources>   
    <string-array name="dialog_item">
        <item>Launch</item>
        <item>Uninstall</item>
    </string-array>
</resources>

若要關閉此對話框則下
alert.dismiss();