/**
 * 弹出一个带确认和取消的dialog
 * @param context
 * @param title
 * @param msg
 * @param okbutton
 * @param ok 点击确定事件
 * @param nobutton
 * @param no 点击取消事件
 * @return
 */
public static AlertDialog openConfirmDialog(Context context, String title,
String msg, String okbutton, OnClickListener ok, String nobutton,
OnClickListener no) {
Builder builder = new Builder(context);
builder.setTitle(title);
builder.setMessage("\n" + msg + "\n");
builder.setNegativeButton(okbutton, ok);
builder.setNeutralButton(nobutton, no);
AlertDialog loadWaitDialog = builder.create();
loadWaitDialog.setCanceledOnTouchOutside(false);
loadWaitDialog.show();
return loadWaitDialog;

}







/**
* 监听返回按钮
*/
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {

 YourTools.openConfirmDialog(this, "", "是否退出？", "确定",
new DialogInterface.OnClickListener() {


@Override
public void onClick(DialogInterface dialog,
int which) {
//TODO
}
}, "取消", new DialogInterface.OnClickListener() {


@Override
public void onClick(DialogInterface dialog,
int which) {

                                //TODO
}
});

return false;
}