Android : Universal-Image-Loader 配置图片的显示方式为圆形显示_android universalimageloader displayimageoptions设置

需要加的权限

	<uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
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xml里面的代码

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

    <Button
        android:id="@+id/send_Btn"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="发送" />

    <ImageView
        android:id="@+id/Get_Image"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:src="@mipmap/ic_launcher"/>
</LinearLayout>
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设置DisplayImageOptions

package com.example.imageloader.util;

import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.display.RoundedBitmapDisplayer;

public class ImageOptionsUtil {

    public static DisplayImageOptions getDisplay() {
        DisplayImageOptions displayImageOptions = new DisplayImageOptions.Builder()
                .showStubImage(0).showImageForEmptyUri(0).showImageOnFail(0).cacheOnDisk(true)
                .cacheInMemory(true).imageScaleType(ImageScaleType.IN_SAMPLE_INT).bitmapConfig(android.graphics.Bitmap.Config.RGB_565)
                .displayer(new RoundedBitmapDisplayer(50))
                .build();
        return displayImageOptions;
    }

}

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//显示的 图片

package com.example.imageloader.imageurl;

public class ImageUrls {

    public final static String[] imageUrls = new String[]{
            "http://img.mukewang.com/54780ea90001f3b406000338.jpg",
            "http://img.mukewang.com/547ed1c9000150cc06000338.jpg",
            "http://img.mukewang.com/54214727000160e306000338.jpg",
            "http://img.mukewang.com/54125edc0001ce6306000338.jpg",
            "http://img.mukewang.com/548165820001b4b006000338.jpg",
            "http://img.mukewang.com/53d74f960001ae9d06000338.jpg",
            "http://img.mukewang.com/547d5a45000156f406000338.jpg",
            "http://img.mukewang.com/549bda090001c53e06000338.jpg",
            "http://img.mukewang.com/530f0ef700019b5906000338.jpg",
            "http://img.mukewang.com/550a87da000168db06000338.jpg",
            "http://img.mukewang.com/550a836c0001236606000338.jpg",
            "http://img.mukewang.com/550a78720001f37a06000338.jpg",
            "http://img.mukewang.com/5513e20600017c1806000338.jpg",
            "http://img.mukewang.com/5513a1b50001752806000338.jpg",
            "http://img.mukewang.com/550a33b00001738a06000338.jpg",
            "http://img.mukewang.com/551380400001da9b06000338.jpg",
            "http://img.mukewang.com/54c87c73000150cf06000338.jpg",
            "http://img.mukewang.com/5518bbe30001c32006000338.jpg",
            "http://img.mukewang.com/5518ecf20001cb4e06000338.jpg",
            "http://img.mukewang.com/551916790001125706000338.jpg",
            "http://img.mukewang.com/550b86560001009406000338.jpg",
            "http://img.mukewang.com/551b98ae0001e57906000338.jpg",
            "http://img.mukewang.com/5518c3d7000175af06000338.jpg",
            "http://img.mukewang.com/551b92340001c9f206000338.jpg",
            "http://img.mukewang.com/552640c300018a9606000338.jpg",
            "http://img.mukewang.com/551de0570001134f06000338.jpg",
            "http://img.mukewang.com/551e470500018dd806000338.jpg",
            "http://img.mukewang.com/5523711700016d1606000338.jpg",
            "http://img.mukewang.com/55249cf30001ae8a06000338.jpg",
            "http://img.mukewang.com/55237dcc0001128c06000338.jpg"
    };
}

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写一个application类,进行注册,必须

package com.example.imageloader.applica;

import android.app.Application;

import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

public class MyAppLica extends Application {

    @Override
    public void onCreate() {
        super.onCreate();

        ImageLoaderConfiguration loaderConfiguration = ImageLoaderConfiguration.createDefault(this);

        ImageLoader.getInstance().init(loaderConfiguration);
    }
}

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清单文件中注册application

android:name="com.example.imageloader.applica.MyAppLica"
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Activity里面的代码

package com.example.imageloader;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

import com.example.imageloader.imageurl.ImageUrls;
import com.example.imageloader.util.ImageOptionsUtil;
import com.nostra13.universalimageloader.core.ImageLoader;


public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    private Button send_Btn;
    private ImageView Get_Image;
    private ImageLoader mImageLoader = ImageLoader.getInstance();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
    }

    private void initView() {
        send_Btn = (Button) findViewById(R.id.send_Btn);
        Get_Image = (ImageView) findViewById(R.id.Get_Image);

        send_Btn.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.send_Btn:
                mImageLoader.displayImage(ImageUrls.imageUrls[3],Get_Image,ImageOptionsUtil.getDisplay());
                break;
        }
    }
}

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以上