fretro

//1.依赖
// 一般依赖：
compile ‘com.facebook.fresco:fresco:0.14.1’

//2.布局

<? version=\"1.0\" encoding=\"utf-8\"?>
<android.support.constraint.ConstraintLayout ns:android=“http://schemas.android.com/apk/res/android”
//注意
ns:fresco=“http://schemas.android.com/apk/res-auto”
ns:tools=“http://schemas.android.com/tools”
android:layout_width=“match_parent”
android:layout_height=“match_parent”
tools:context=\".MainActivity\">

<com.facebook.drawee.view.SimpleDraweeView
    android:id=\"@+id/image\"
    android:layout_width=\"200dp\"
    android:layout_height=\"200dp\"
    android:scaleType=\"centerCrop\"
    fresco:roundAsCircle=\"true\"/>

</android.support.constraint.ConstraintLayout>

//3.初始化
//设置缓存路径,磁盘缓存
DiskCacheConfig build = DiskCacheConfig.newBuilder(this)
.set DirectoryName(“image”)
.set DirectoryPath(Environment.getExternalStorageDirectory())
.build();
//生成配置文件
ImagePipelineConfig config = ImagePipelineConfig.newBuilder(this)
.setMainDiskCacheConfig(build)
.build();
Fresco.initialize(this,config);
//单个
Fresco.initialize(this);

//4.代码
public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Uri uri = Uri.parse(\"http://i.loli.net/2017/11/09/5a046546a2a1f.jpg\");
    SimpleDraweeView image = findViewById(R.id.image);
    image.setImageURI(uri);
}