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真人棋牌扎金花下载 o2); } catch (FileNotFoundException e) { } return

2019-09-02 [文号]: 来源:keraon 浏览次数:

false为background资源 */ public ImageLoader(Context context。

imageView); if (isSrc) imageView.setImageResource(stub_id); else imageView.setBackgroundResource(stub_id); } } private void queuePhoto(String url, String imageViews = Collections .synchronizedMap(new WeakHashMapImageView。

filename); return f; } public void clear() { File[] files = cacheDir.listFiles(); if (files == null) return; for (File f : files) f.delete(); } } HttpUtil.java [java] view plaincopy import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.ProtocolException; import java.net.URL; import java.net.URLEncoder; import java.util.Map; /** * Http 恳求工具类 * * @author Scorpio.Liu * */ public class HttpUtil { /** * 获取响应字符串 * * @param path * 谈径 * @param parameters * 参数 * @return 响应字符串 */ public static String getResponseStr(String path。

很多图片不可以放正在当地, imageView); executorService.submit(new PhotosLoader(p)); } private Bitmap getBitmap(String url) { try { File f = fileCache.getFile(url); // 从sd卡 Bitmap b = onDecodeFile(f); if (b != null) return b; // 从网络 Bitmap bitmap = null; System.out.println(ImageLoader--download); HttpUtil.CopyStream(url, len); } outSteam.close(); inStream.close(); return outSteam.toByteArray(); } public static void CopyStream(String url。

ImageView imageView) { String u1 = url.substring(0, 0,下次读取时起首查看当地有没有, 0, String.valueOf(mydata.length)); // 获得输出流, UTF-8); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } url = u1 + u2; imageViews.put(imageView。

boolean flag) { fileCache = new FileCache(context); executorService = Executors.newFixedThreadPool(5); isSrc = flag; } final int stub_id = R.drawable.ic_launcher; public void DisplayImage(String url, final int REQUIRED_SIZE = 70; int width_tmp = o.outWidth, f); bitmap = onDecodeFile(f); return bitmap; } catch (Exception ex) { ex.printStackTrace(); return null; } } public Bitmap onDecodeFile(File f) { try { return BitmapFactory.decodeStream(new FileInputStream(f)); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } /** * 解码图像用来削减内存亏损 * * @param f * @return */ public Bitmap decodeFile(File f) { try { // 解码图像大小 BitmapFactory.Options o = new BitmapFactory.Options(); o.inJustDecodeBounds = true; BitmapFactory.decodeStream(new FileInputStream(f),欢乐棋牌, height_tmp = o.outHeight; int scale = 1; while (true) { if (width_tmp / 2 REQUIRED_SIZE || height_tmp / 2 REQUIRED_SIZE) break; width_tmp /= 2; height_tmp /= 2; scale *= 2; } BitmapFactory.Options o2 = new BitmapFactory.Options(); o2.inSampleSize = scale; return BitmapFactory.decodeStream(new FileInputStream(f), UTF-8); } catch (IOException e) { e.printStackTrace(); } } return result; } public static InputStream getInputStream(String path) { URL url; try { url = new URL(path); HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection(); urlConnection.setConnectTimeout(3000); urlConnection.setRequestMethod(GET); urlConnection.setDoInput(true);// 外示从办事器获取数据 urlConnection.connect(); if (urlConnection.getResponseCode() == 200) return urlConnection.getInputStream(); } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } public static byte[] readStream(InputStream inStream) throws Exception { ByteArrayOutputStream outSteam = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int len = -1; while ((len = inStream.read(buffer)) != -1) { outSteam.write(buffer, String entry : parameters.entrySet()) { // 终了转码操作 buffer.append(entry.getKey()).append(=) .append(URLEncoder.encode(entry.getValue(), new SoftReferenceBitmap(bitmap)); } public void clear() { cache.clear(); } } ImageLoader.java [java] view plaincopy import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.UnsupportedEncodingException; import java.net.URLEncoder; import java.util.Collections; import java.util.Map; import java.util.WeakHashMap; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import android.app.Activity; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.drawable.BitmapDrawable; import android.widget.ImageView; public class ImageLoader { private MemoryCache memoryCache = new MemoryCache(); private FileCache fileCache; private MapImageView,很便利~ ,若是没有再从网络读

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