我使用以下代码来结束一个activity的运行。但是我想使用BackPress事件来结束list activity。这个方法怎么实现,能在我原代码上改吗,请求大家帮忙!
public void onBackPressed() {
AlertDialog alertDialog = new AlertDialog.Builder(this).create();
alertDialog.setMessage("Want to exit ?");
alertDialog.setButton("Yes", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
for(Activity activity:activities)
activity.finish();
} });
alertDialog.setButton2("No", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
}});
alertDialog.show();
}