ImageLoader 添加图片

@Override

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button button= (Button) findViewById(R.id.btnGet);
        final ImageView imageView= (ImageView) findViewById(R.id.img);

        //1.进行初使化
        ImageLoaderConfiguration configuration=ImageLoaderConfiguration.createDefault(this);//默认设置
        //单例模式
        ImageLoader.getInstance().init(configuration);

        //2.对要显示的图片进行配置
        final DisplayImageOptions options=DisplayImageOptions.createSimple();//默认配置




        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //3.下载网络图片
                ImageLoader.getInstance().displayImage(picUrl,imageView,options);


            }
        });


    }