AlertDialog的初级使用

/*
显示弹框
*/
private void showDialog() {

AlertDialog.Builder builder = new AlertDialog.Builder(MyActivity.this);
builder.setMessage("确认退出吗？");

builder.setTitle("提示");

builder.setPositiveButton("确认", new DialogInterface.OnClickListener() {

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

MyActivity.this.finish();
}
});

builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});

builder.create().show();

}