Toast显示图片提示

package com.example.imagetoast;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ImageView;
import android.widget.Toast;
import android.support.v4.app.NavUtils;

public class MainActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //定义一个Toast对象
        Toast imageToast=new Toast(MainActivity.this);
        //定义一个InageView对象
        ImageView imageView=new ImageView(MainActivity.this);
        //为ImageView对象设置上去一张图片
        imageView.setImageResource(R.drawable.ic_launcher);
        //将ImageView对象绑定到Toast对象imageToasr上面去
        imageToast.setView(imageView);
        //设置Toast对象显示的时间长短
        imageToast.setDuration(Toast.LENGTH_LONG);
        //显示Toast
        imageToast.show();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

    
}