android自定义Dialog弹出框样式（真正有用的）

三、Activity中调用：

final Dialog dialog = new Dialog(this, R.style.MyDialog);//设置它的ContentViewdialog.setContentView(R.layout.custom_dialog);((TextView)dialog.findViewById(R.id.dialog_tv_title)).setText("提示");((TextView)dialog.findViewById(R.id.dialog_tv_content)).setText("是否清理缓存？");dialog.show();Button cOnfirm= (Button)dialog.findViewById(R.id.dialog_button_ok);confirm.setOnClickListener(new View.OnClickListener() {    @Override public void onClick(View v) {        dialog.dismiss();        DataUtils.showToast(context,"数据已删除");    }});Button cancel = (Button) dialog.findViewById(R.id.dialog_button_cancel);cancel.setOnClickListener(new View.OnClickListener() {    @Override public void onClick(View v) {        // TODO Auto-generated method stub dialog.dismiss();    }});