Android AlertDialog

import android.app.AlertDialog;
import android.content.DialogInterface;


        AlertDialog dialog = new AlertDialog.Builder(this)
                .setTitle("标题")
                .setMessage("内容")
                .setNegativeButton("取消", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        //
                    }
                })
                .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        //
                    }
                })
                .create();
        dialog.show();