/**
* Get the external application cache directory.
*
* @param context The context to use
* @return The external cache folder : /storage/sdcard0/Android/data/com.srain.sdk/cache
*/
@TargetApi(Build.VERSION_CODES.FROYO)
public static File getExternalCacheDir(Context context) {
if (Version.hasFroyo()) {
File path = context.getExternalCacheDir();
// In some case, even the sd card is mounted, getExternalCacheDir will return null, may be it
// is nearly full.
if (path != null) {
return path;
}
}
// Before Froyo or the path is null, we need to construct the external cache folder ourselves
final String cacheDir = "/Android/data/" + context.getPackageName() + "/cache/";
return new File(Environment.getExternalStorageDirectory().getPath() + cacheDir);
}
/**
* @param path
* @return -1 means path is null, 0 means path is not exist.
*/
@SuppressWarnings("deprecation")
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
public static long getTotalSpace(File path) {
if (path == null) {
return -1;
}
if (Version.hasGingerbread()) {
return path.getTotalSpace();
} else {
if (!path.exists()) {
return 0;
} else {
final StatFs stats = new StatFs(path.getPath());
return (long) stats.getBlockSize() * (long) stats.getBlockCount();
}
}
}