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app/src/main/java/com/gh/common/util/ImageUtils.java

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+package com.gh.common.util;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.view.View;
+import android.view.animation.AlphaAnimation;
+import android.widget.ImageView;
+import android.widget.ImageView.ScaleType;
+
+import com.gh.common.view.CircleImageView;
+import com.gh.gamecenter.R;
+import com.nostra13.universalimageloader.core.DisplayImageOptions;
+import com.nostra13.universalimageloader.core.ImageLoader;
+import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
+import com.nostra13.universalimageloader.core.assist.FailReason;
+import com.nostra13.universalimageloader.core.listener.ImageLoadingListener;
+
+public class ImageUtils {
+	private static ImageUtils singleton;
+	private static ImageLoader imageLoader;
+	private static DisplayImageOptions options;
+
+	ExecutorService fixedThreadPool = Executors.newFixedThreadPool(5);
+
+	public static ImageUtils getInstance(Context context) {
+		if (singleton == null) {
+			synchronized (ImageUtils.class) {
+				if (singleton == null) {
+					singleton = new ImageUtils(context.getApplicationContext(),
+							(int) Runtime.getRuntime().maxMemory() / 10);
+					return singleton;
+				}
+
+			}
+		}
+		return singleton;
+	}
+
+	private ImageUtils(Context context, int size) {
+
+		options = new DisplayImageOptions.Builder().cacheInMemory(true)
+				.cacheOnDisk(true).considerExifParams(true)
+				.bitmapConfig(Bitmap.Config.RGB_565)
+				// .showImageOnLoading(R.drawable.ocupy)
+				// .showImageForEmptyUri(R.drawable.ocupy)
+				// .showImageOnFail(R.drawable.ocupy)
+				.build();
+
+		ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(
+				context).writeDebugLogs().build();
+
+		ImageLoader.getInstance().init(config);
+		imageLoader = ImageLoader.getInstance();
+	}
+
+	public void displayFile(String url, ImageView imageView) {
+		imageLoader.displayImage(url, imageView, options,
+				new ImageLoadingListener() {
+
+					@Override
+					public void onLoadingCancelled(String arg0, View arg1) {
+
+					}
+
+					@Override
+					public void onLoadingComplete(String arg0, View view,
+							Bitmap arg2) {
+						AlphaAnimation animation = new AlphaAnimation(0f, 1f);
+						animation.setDuration(500);
+						view.startAnimation(animation);
+					}
+
+					@Override
+					public void onLoadingFailed(String arg0, View arg1,
+							FailReason arg2) {
+
+					}
+
+					@Override
+					public void onLoadingStarted(String arg0, View arg1) {
+
+					}
+
+				});
+	}
+
+	public void display(String url, ImageView imageView, int drawable) {
+		display(url, imageView, drawable, ScaleType.FIT_XY);
+	}
+
+	public void display(final String url, final ImageView imageView,
+			final int drawable, final ScaleType scaleType) {
+		imageLoader.displayImage(url, imageView, options,
+				new ImageLoadingListener() {
+					@Override
+					public void onLoadingComplete(String imageUri, View view,
+							Bitmap loadedImage) {
+						if (imageView instanceof CircleImageView) {
+							imageView.setScaleType(ScaleType.CENTER_CROP);
+						} else {
+							imageView.setScaleType(scaleType);
+						}
+					}
+
+					@Override
+					public void onLoadingStarted(String imageUri, View view) {
+						imageView.setScaleType(ScaleType.CENTER);
+						imageView.setImageResource(drawable);
+					}
+
+					@Override
+					public void onLoadingCancelled(String imageUri, View view) {
+
+					}
+
+					@Override
+					public void onLoadingFailed(String imageUri, View view,
+							FailReason reason) {
+
+					}
+				});
+	}
+
+	public void display(String url, ImageView imageView, ScaleType scaleType) {
+		display(url, imageView, R.drawable.ocupy, scaleType);
+	}
+
+	public void display(String url, ImageView imageView) {
+		display(url, imageView, R.drawable.ocupy, ScaleType.FIT_XY);
+	}
+
+}