@Override |
public boolean onKeyDown( int keyCode, KeyEvent event) { |
if (keyCode==KeyEvent.KEYCODE_BACK) |
exitdialog(); |
return super .onKeyDown(keyCode, event); |
} |
private void exitdialog() { |
Dialog dialog= new AlertDialog.Builder(类名. this ) |
.setTitle( "退出程序" ) |
.setMessage( "你确认要退出本程序吗?" ) |
.setPositiveButton( "确定" , new OnClickListener() { |
@Override |
public void onClick(DialogInterface dialo, int whicutton) { |
类名. this .finish(); |
|
} |
}).setNegativeButton( "取消" , new OnClickListener() { |
@Override |
public void onClick(DialogInterface dilg, int whchutton) { |
|
} |
}).create(); |
dialog.show(); |
|
} |
初级程序员
by: 云代码会员 发表于:2016-10-14 02:43:45 顶(0) | 踩(0) 回复
頂
回复评论