/**
* 从文件中拿图片
*
* @return
*/
private static Bitmap getBitmapFromFile(Context con, String url, boolean blean) {
String imageName = "";
if (!url.startsWith("http")) {
imageName = url.substring(url.lastIndexOf("/") + 1);
} else {
imageName = Utils.getMD5Str(url);
}
if (url.contains("ba57b8e1463b63cb01463b7a18eb0083")) {
MyLogger.commLog().e(imageName);
}
Bitmap bitmap = null;
File file = null;
String cacheDir = Utils.getCacheDir(con, "picture");
if (imageName != null) {
try {
file = new File(cacheDir, imageName);
if (file.exists()) {
// DisplayMetrics dm = context.getResources().getDisplayMetrics();
// int hh = dm.heightPixels;// 这里设置高度为800f
// int ww = dm.widthPixels;// 这里设置宽度为480f
bitmap = decodeSampledBitmapFromFile(cacheDir + "/" + imageName, 100, 100);
}
} catch (Exception e) {
e.printStackTrace();
bitmap = null;
}
}
if (bitmap != null) {
addBitmapToMemoryCache(url, bitmap);
MyLogger.commLog().d(url);
}
return bitmap;
}
@Override
protected Bitmap doInBackground(String... params) {
Bitmap data = null;
if (url != null) {
try {
URL c_url = new URL(url);
String imageName = Utils.getMD5Str(url);
setBitmapToFile(imageName, c_url.openStream());
} catch (FileNotFoundException exception) {
MyLogger.commLog().w("~~~~~~文件不存在~~~~~~~~·" + (url == null ? "" : url));
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
return data;
}
private static void createLruCache() {
if (mMemoryCache != null) {
return;
}
final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
MyLogger.commLog().e("maxMemory = " + maxMemory);
// Use 1/8th of the available memory for this memory cache.
final int cacheSize = maxMemory / 16;
mMemoryCache =
new LruCache<String, Bitmap>(cacheSize) {
@Override
protected int sizeOf(String key, Bitmap bitmap) {
// The cache size will be measured in kilobytes rather than
// number of items.
return getBitmapSize(bitmap) / 1024;
}
};
}