private static boolean isKitKatDocument(Context context, Uri uri) {
if (Build.VERSION.SDK_INT < 19) {
return false;
}
return CompatibilityImpl.isDocumentUri(context, uri);
}
private View instantiate(String name, Context context, AttributeSet attrs) {
try {
Constructor<? extends View> constructor = CONSTRUCTOR_MAP.get(name);
if (constructor == null) {
Class<? extends View> clazz = null;
if (name.indexOf('.') != -1) {
clazz = context.getClassLoader().loadClass(name).asSubclass(View.class);
} else {
for (String prefix : CLASS_PREFIX_LIST) {
try {
clazz = context.getClassLoader().loadClass(prefix + name).asSubclass(View.class);
break;
} catch (ClassNotFoundException e) {
}
}
if (clazz == null) throw new ClassNotFoundException("couldn't find class: " + name);
}
constructor = clazz.getConstructor(CONSTRUCTOR_SIGNATURE);
CONSTRUCTOR_MAP.put(name, constructor);
}
Object[] args = constructorArgs;
args[0] = context;
args[1] = attrs;
constructor.setAccessible(true);
View view = constructor.newInstance(args);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN && view instanceof ViewStub)
CompatibilityImpl.setLayoutInflater((ViewStub) view, inflater.cloneInContext(context));
return view;
} catch (Exception e) {
Logger.e(TAG, "couldn't instantiate class " + name, e);
return null;
}
}
public static String getPath(final Context context, final Uri uri) {
// DocumentProvider
if (isKitKatDocument(context, uri)) {
// ExternalStorageProvider
if (isExternalStorageDocument(uri)) {
final String docId = CompatibilityImpl.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
if ("primary".equalsIgnoreCase(type)) {
return Environment.getExternalStorageDirectory() + "/" + split[1];
}
// TODO handle non-primary volumes
}
// DownloadsProvider
else if (isDownloadsDocument(uri)) {
final String id = CompatibilityImpl.getDocumentId(uri);
final Uri contentUri =
ContentUris.withAppendedId(
Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
return getDataColumn(context, contentUri, null, null);
}
// MediaProvider
else if (isMediaDocument(uri)) {
final String docId = CompatibilityImpl.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
Uri contentUri = null;
if ("image".equals(type)) {
contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if ("video".equals(type)) {
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else if ("audio".equals(type)) {
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
}
final String selection = BaseColumns._ID + "=?";
final String[] selectionArgs = new String[] {split[1]};
return getDataColumn(context, contentUri, selection, selectionArgs);
}
}
// MediaStore (and general)
else if ("content".equalsIgnoreCase(uri.getScheme())) {
// Return the remote address
if (isGooglePhotosUri(uri)) {
return uri.getLastPathSegment();
}
return getDataColumn(context, uri, null, null);
}
// File
else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}
return null;
}