Android Fresco的使用

需要导入依赖

//Fresco

compile 'com.facebook.fresco:fresco:+'

//支持动图

compile 'com.facebook.fresco:animated-gif:+'

 
 layout布局

<?xml version="1.0" encoding="utf-8"?>

ActivityJava代码

import android.graphics.drawable.Animatable;  import android.net.Uri;  import android.os.Bundle;  import android.support.v7.app.AppCompatActivity;  import android.widget.Toast;    import com.facebook.drawee.backends.pipeline.Fresco;  import com.facebook.drawee.controller.AbstractDraweeController;  import com.facebook.drawee.controller.BaseControllerListener;  import com.facebook.drawee.view.SimpleDraweeView;  import com.facebook.imagepipeline.image.ImageInfo;  import com.facebook.imagepipeline.request.ImageRequest;  import com.facebook.imagepipeline.request.ImageRequestBuilder;    public class MainActivity extends AppCompatActivity {      private SimpleDraweeView simple_drawee_view;        public static final String mImageUrl = "http://pic39.nipic.com/20140226/18071023_164300608000_2.jpg";      public static final String mErrorUrl = "http://pic39.nipic.com/20140226/18071023_1643006080dddd00_2.jpg";      public static final String mGifUrl = "http://img.zcool.cn/community/0139505792e5fc0000018c1bbb7271.gif";      public static final String mJpegUrl = "http://attach.foyuan.net/portal/201308/03/09/2013080309223742492.jpg";      @Override      protected void onCreate(Bundle savedInstanceState) {          super.onCreate(savedInstanceState);          //初始化Fresco          Fresco.initialize(this);          setContentView(R.layout.activity_main);            Uri uri = Uri.parse(mGifUrl);            simple_drawee_view = (SimpleDraweeView) findViewById(R.id.simple_drawee_view);            //第一种设置图片路径的地址          //simple_drawee_view.setImageURI(uri);            BaseControllerListener baseControllerListener = new BaseControllerListener() {              @Override              public void onFinalImageSet(String id, ImageInfo imageInfo, Animatable animatable) {                  animatable.start();              }                @Override              public void onFailure(String id, Throwable throwable) {                  Toast.makeText(MainActivity.this, "加载失败", Toast.LENGTH_SHORT).show();              }          };            //也可以控制图片请求的一些特性          ImageRequest imageRequest = ImageRequestBuilder.newBuilderWithSource(uri)                  //设置支持jpeg渐进式展示（从模糊到清晰）                  .setProgressiveRenderingEnabled(true)                  .build();            //控制图片加载的一些特性          AbstractDraweeController controller = Fresco.newDraweeControllerBuilder()                  .setImageRequest(imageRequest)                  //第二种设置图片地址                  .setUri(uri)                  //设置可以重试 （重试4次）                  .setTapToRetryEnabled(true)                  //设置自动播放                  .setAutoPlayAnimations(true)                  //监听图片加载                  .setControllerListener(baseControllerListener)                  .setOldController(simple_drawee_view.getController())                  .build();          simple_drawee_view.setController(controller);        }  }

Fresco加载图片

compile 'com.facebook.fresco:fresco:+'

Fresco支持gif

compile 'com.facebook.fresco:animated-gif:+'

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