图片框架Fresco

先看效果：

图片框架Fresco

1.布局：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:fresco="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.administrator.fresco.MainActivity">

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/my_image_view"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="12dp"
        android:onClick="loadInternetImage"
        android:text="加载网络图片" />

    <com.facebook.drawee.view.SimpleDraweeView
        android:id="@+id/my_image_view"
        android:layout_width="400dp"
        android:layout_height="400dp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        fresco:roundAsCircle="true"

        fresco:roundingBorderWidth="2dp"

fresco:roundedCornerRadius="10dp" fresco:roundingBorderColor="@color/colorAccent" fresco:placeholderImage="@mipmap/ic_launcher" fresco:placeholderImageScaleType="fitCenter"/></RelativeLayout> 其中

roundAsCircle是否为圆形，

roundingBorderWidth为圆形边框，placeholderImage为占位图。
2.导入依赖

compile 'com.facebook.fresco:fresco:1.5.0'
compile 'com.facebook.fresco:animated-gif:1.5.0'//gif动图
3.MainActivity:

package com.example.administrator.fresco;

import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import com.facebook.drawee.backends.pipeline.Fresco;
import com.facebook.drawee.interfaces.DraweeController;
import com.facebook.drawee.view.SimpleDraweeView;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Fresco.initialize(this);//需要在setContentView之前初始化
        setContentView(R.layout.activity_main);
        Button mButton = (Button) findViewById(R.id.button);
        mButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //点击事件加载网络图片代码
// 动图       Uri uri = Uri.parse("res://" + getPackageName() + "/" + R.drawable.aaa);
                Uri uri = Uri.parse("http://dynamic-image.yesky.com/740x-/uploadImages/2015/163/50/690V3VHW0P77.jpg");
                SimpleDraweeView draweeView = (SimpleDraweeView) findViewById(R.id.my_image_view);
                DraweeController controller = Fresco.newDraweeControllerBuilder()
                        .setUri(uri)
                        .setAutoPlayAnimations(true)
                        .build();
                draweeView.setController(controller);
            }
        });
    }
}