对话框—系统升级

public class DialogUtil {

    private Context context;

    private Handler handler;

    public DialogUtil(Context context,Handler handler) {
        this.context = context;
        this.handler = handler;
    }

    /**
     * 升级的对话框,提示是否需要升级
     * @param context
     * @param desc
     * @param handler
     */
    public void alertUpdateInfos(String desc){

        AlertDialog.Builder dialogBuilder = new Builder(context);

        dialogBuilder.setTitle("系统升级");

        dialogBuilder.setMessage(desc);

        final Message msg = Message.obtain();

        msg.what = StaticDatas.IS_DOWNLOAD_NEW_VERSION;

        // 添加确定按钮的 监听器
        dialogBuilder.setPositiveButton("立刻升级", new OnClickListener(){

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

                dialog.dismiss();

                msg.obj = true;

                handler.sendMessage(msg);
            }});

        // 添加取消按钮的 监听器
        dialogBuilder.setNegativeButton("下次再说", new OnClickListener(){

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

                msg.obj = false;

                handler.sendMessage(msg);
            }});

        // 添加取消按钮的监听
        dialogBuilder.setOnCancelListener(new OnCancelListener(){
            @Override
            public void onCancel(DialogInterface dialog) {
                dialog.dismiss();

                msg.what = StaticDatas.DIALOG_DISMISS;

                handler.sendMessage(msg);
            }});

        dialogBuilder.show();
    }
}