ImageLoader_下載圖片並快取
阿新 • • 發佈：2019-02-14
private ImageView iv; private String url="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1503460480074&di=73f55fbd2d7d629dfefbf1ed9ebaf7df&imgtype=0&src=http%3A%2F%2Fwww.fengdu100.com%2Fuploads%2Fallimg%2F170707%2F201345F54-3.png"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); DisplayImageOptions options=new DisplayImageOptions.Builder() .cacheInMemory(true) .cacheOnDisk(true) .considerExifParams(true) .build(); ImageLoaderConfiguration config=newImageLoaderConfiguration.Builder(this) .defaultDisplayImageOptions(options) .memoryCache(new UsingFreqLimitedMemoryCache(2*1024*1024)) .threadPoolSize(3) .diskCache(new UnlimitedDiskCache(new File("F:\\table"))) .diskCacheFileNameGenerator(newMd5FileNameGenerator()) .build(); ImageLoader.getInstance().init(config); ImageLoader.getInstance().displayImage(url,iv); } private void initView() { iv = (ImageView) findViewById(R.id.iv); }
<?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" tools:context="com.example.wangaishi20170823_imageloader.MainActivity"> <ImageView android:id="@+id/iv" android:layout_width="match_parent" android:layout_height="match_parent" /> </LinearLayout>