圆角头像

圆角头像

1：activity:public class MainActivity extends Activity {    private ImageView mImageView;    private String url = "http://www.jcpeixun.com/app_client_api/userinfo.aspx?uid=450894";//头像数据接口    private String imgUrl;    private RequestQueue mRequestQueue;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        mRequestQueue = Volley.newRequestQueue(this);        init(url);    }    //headler机制    Handler mHandler = new Handler() {        @Override        public void handleMessage(Message msg) {            super.handleMessage(msg);            if (msg.what == 0x001) {                try {                    Log.e("msg.obj  ", msg.obj + "");                    JSONObject object = (JSONObject) msg.obj;                    imgUrl = object.getString("img");                    Log.e("imgUrl ", imgUrl);                    //volleyImg(imgUrl);                    getImage(imgUrl);                } catch (JSONException e) {                    e.printStackTrace();                }            }        }    };    //加载单张图片    public void volleyImg(String imgUrl) {        ImageRequest imgRequest = new ImageRequest(imgUrl,                new Response.Listener<Bitmap>() {                    @Override                    public void onResponse(Bitmap arg0) {                        mImageView.setImageBitmap(arg0);                    }                }, 300, 200, Bitmap.Config.ARGB_8888, new Response.ErrorListener() {            @Override            public void onErrorResponse(VolleyError arg0) {            }        });        mRequestQueue.add(imgRequest);    }    //加载图片    public void getImage(String imgUrl){        final LruCache<String, Bitmap> mImageCache = new LruCache<String, Bitmap>(                20);        ImageLoader.ImageCache imageCache = new ImageLoader.ImageCache() {            @Override            public void putBitmap(String key, Bitmap value) {                mImageCache.put(key, value);            }            @Override            public Bitmap getBitmap(String key) {                return mImageCache.get(key);            }        };        ImageLoader mImageLoader = new ImageLoader(mRequestQueue, imageCache);        // imageView是一个ImageView实例        // ImageLoader.getImageListener的第二个参数是默认的图片resource id        // 第三个参数是请求失败时候的资源id，可以指定为0        ImageLoader.ImageListener listener = ImageLoader                .getImageListener(mImageView, android.R.drawable.ic_menu_rotate,                        android.R.drawable.ic_delete);        mImageLoader.get(imgUrl, listener);    }    //初始化    public void init(String url) {        mImageView = (ImageView) findViewById(R.id.iv);        JsonObjectRequest jr = new JsonObjectRequest(Request.Method.GET, url, null, new Response.Listener<JSONObject>() {            @Override            public void onResponse(JSONObject object) {                Message message = mHandler.obtainMessage(0x001);                message.obj = object;                mHandler.sendMessage(message);            }        }, new Response.ErrorListener() {            @Override            public void onErrorResponse(VolleyError volleyError) {            }        });        mRequestQueue.add(jr);    }    @Override    protected void onPause() {        super.onPause();        mRequestQueue.cancelAll(this);//取消请求    }}2：绑定RoundedImageView的Library：3:activity_main布局：<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent">    <test.com.roundedimageview.RoundedImageView        xmlns:app="http://schemas.android.com/apk/res-auto"        android:id="@+id/iv"        android:layout_width="80dp"        android:layout_height="80dp"        android:layout_alignParentTop="true"        android:layout_centerInParent="true"        android:layout_centerVertical="true"        android:layout_gravity="center_horizontal"        android:layout_marginTop="5dp"        android:scaleType="centerCrop"        app:riv_border_color="#888888"        app:riv_border_width="2dip"        app:riv_corner_radius="40dip" /></LinearLayout>4：效果图：