api 'org.xutils:xutils:3.5.0'

public class MyApplication extends Application {

    @Override

    public void onCreate() {

        super.onCreate();

        Fresco.initialize(this);

    }

}

 <manifest

    ...

    >

    <uses-permission android:name="android.permission.INTERNET" />

    <application

      ...

      android:label="@string/app_name"

      android:name=".MyApplication"

      >

      ...

    </application>

    ...

  </manifest>

<!-- 其他元素-->

<LinearLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:fresco="http://schemas.android.com/apk/res-auto"

    android:layout_height="match_parent"

    android:layout_width="match_parent">

<com.facebook.drawee.view.SimpleDraweeView

    android:id="@+id/my_image_view"

    android:layout_width="130dp"

    android:layout_height="130dp"

    fresco:placeholderImage="@drawable/my_drawable"

  />

Uri uri = Uri.parse("https://raw.githubusercontent.com/facebook/fresco/gh-pages/static/logo.png");

SimpleDraweeView draweeView = (SimpleDraweeView) findViewById(R.id.my_image_view);

draweeView.setImageURI(uri);