ImageLoder in Android development for image loading and caching

package .imageloder_text;
 
import ;
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import com.;
import com..Md5FileNameGenerator;
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/**
 * Created by admin on 2016/4/9.
 */
public class ImageLoading extends Application {
  @Override
  public void onCreate() {
    // TODO Auto-generated method stub
    ();
    ImageLoaderConfiguration config = new (
        this)
        .memoryCacheExtraOptions(480, 800)
            // max width, max height, that is, the maximum length and width of each cache file saved        .discCacheExtraOptions(480, 800, null)
            // Can slow ImageLoader, use it carefully (Better don't use
            // it)/Set the cache details, it is best not to set this        .threadPoolSize(3)
            // The number of loads in the thread pool        .threadPriority(Thread.NORM_PRIORITY - 2)
        .denyCacheImageMultipleSizesInMemory()
        .memoryCache(new UsingFreqLimitedMemoryCache(2 * 1024 * 1024))
            // You can pass your own memory cache
            // implementation/You can implement it through your own memory cache        .memoryCacheSize(2 * 1024 * 1024)
        .discCacheSize(50 * 1024 * 1024)
        .discCacheFileNameGenerator(new Md5FileNameGenerator())
            // Encrypt the URI name when saved with MD5        .tasksProcessingOrder()
        .discCacheFileCount(100)
            // Number of cached files        .discCache(
            new UnlimitedDiscCache(new File(Environment
                .getExternalStorageDirectory()
                + "/myApp/imgCache")))
            // Custom cache path        .defaultDisplayImageOptions(getDisplayOptions())
        .imageDownloader(
            new BaseImageDownloader(this, 5 * 1000, 30 * 1000))
        .writeDebugLogs() // Remove for release app
        .build();// Start building    ().init(config);
  }
 
  private DisplayImageOptions getDisplayOptions() {
    DisplayImageOptions options;
    options = new ()
        .showImageOnLoading(.ic_launcher) // Set the picture to display during download        .showImageForEmptyUri(.ic_launcher)// Set the picture to be displayed when the picture Uri is empty or wrong        .showImageOnFail(.ic_launcher) // Set the picture displayed during error during picture loading/decoding        .cacheInMemory(true)// Set whether the downloaded image is cached in memory        .cacheOnDisc(true)// Set whether the downloaded pictures are cached in the SD card        .considerExifParams(true) // Whether to consider the EXIF ​​parameters of JPEG image (rotate, flip)        .imageScaleType(ImageScaleType.EXACTLY_STRETCHED)// Set how the picture is displayed in encoding        .bitmapConfig(.RGB_565)// Set the decoding type of the picture//            // .delayBeforeLoading(int delayInMillis)//int
            // delayInMillis sets the delay time before download for you            // Set the bitmap before adding the image to the cache            // .preProcessor(BitmapProcessor preProcessor)
        .resetViewBeforeLoading(true)// Set whether the image is reset before downloading, reset        .displayer(new RoundedBitmapDisplayer(20))// Whether to set it to rounded corners and what is the radian        .displayer(new FadeInBitmapDisplayer(100))// Whether the animation time gradually enters after the image is loaded        .build();// Build complete    return options;
  }
 
}
 
package .imageloder_text;
 
import ;
import ;
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import com.;
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import com.;
 
 
 
/**
  * 1. Universal-ImageLoader configuration
  *
  * 2. Use Universal-ImageLoader to load network and local pictures
  *
  * @author Administrator
  */
 
 
public class MainActivity extends Activity {
  private ImageLoader loader;
  private ImageView iv_img;
 
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    (savedInstanceState);
    setContentView(.activity_main);
 
    loader=();//Instantiate ImageLoder    iv_img=(ImageView)findViewById(.iv_img);
 
    String url="file:///"+"Load local picture"; 
    //Load the network image, the first parameter is the path//    ("/uploads/user/494/988131_100.jpg?t=1419303093000",iv_img);
 
    ("/uploads/user/494/988131_100.jpg?t=1419303093000", iv_img, new ImageLoadingListener() {
      @Override
      public void onLoadingStarted(String s, View view) {
        ("info","Loading starts");
 
      }
 
      @Override
      public void onLoadingFailed(String s, View view, FailReason failReason) {
        ("info","Loading failed");
 
      }
 
      @Override
      public void onLoadingComplete(String s, View view, Bitmap bitmap) {
        ("info","Loaded");
 
      }
 
      @Override
      public void onLoadingCancelled(String s, View view) {
        ("info","Load Cancel");
 
      }
    });
  }
}