Android弹出提示框

AlertDialog.Builder builder = new Builder(mainActivity);

builder.setTitle("提示");

builder.setMessage("是否退出应用？");

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

    @Override

    public void onClick(DialogInterface dialog, int which) {

        System.exit(0);    //退出应用

    }

});

builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {

    @Override

    public void onClick(DialogInterface dialog, int which) {

          dialog.dismiss(); //取消

    }

});

builder.create();

builder.show();

new AlertDialog.Builder(ListCommonActivity.this).setMessage("获取信息失败,请重新获取。").setPositiveButton("确定", new DialogInterface.OnClickListener() {

@Override

public void onClick(DialogInterface dialog, int which) {

// TODO Auto-generated method stub

}

}).create().show();

 

在页面中显示图片提示信息

//创建新Toast对象

Toast showImageToast = new Toast(this);

//创建新ImageView对象

ImageView imageView = new ImageView(this);

//从资源中获取图片

imageView.setImageResource(R.drawable.tu_pian );

//设置Toast上的 View--(ImageView)

showImageToast.setView(imageView);

//设置Toast显示时间

showImageToast.setDuration(Toast.LENGTH_LONG );

//显示Toast

showImageToast.show();