/**
* Create a folder. The folder may even be on external SD card for Kitkat.
*
* @param file The folder to be created.
* @return True if creation was successful.
*/
public static boolean mkdir(final File file, Context context) {
if (file == null) return false;
if (file.exists()) {
// nothing to create.
return file.isDirectory();
}
// Try the normal way
if (file.mkdirs()) {
return true;
}
// Try with Storage Access Framework.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP
&& FileUtil.isOnExtSdCard(file, context)) {
DocumentFile document = getDocumentFile(file, true, context);
// getDocumentFile implicitly creates the directory.
return document.exists();
}
// Try the Kitkat workaround.
if (Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {
try {
return MediaStoreHack.mkdir(context, file);
} catch (IOException e) {
return false;
}
}
return false;
}
public static boolean mkfile(final File file, Context context) throws IOException {
if (file == null) return false;
if (file.exists()) {
// nothing to create.
return !file.isDirectory();
}
// Try the normal way
try {
if (file.createNewFile()) {
return true;
}
} catch (IOException e) {
e.printStackTrace();
}
boolean b = true;
// Try with Storage Access Framework.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP
&& FileUtil.isOnExtSdCard(file, context)) {
DocumentFile document = getDocumentFile(file.getParentFile(), true, context);
// getDocumentFile implicitly creates the directory.
try {
b = document.createFile(MimeTypes.getMimeType(file), file.getName()) != null;
return b;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
if (Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {
try {
return MediaStoreHack.mkfile(context, file);
} catch (Exception e) {
return false;
}
}
return false;
}
public static OutputStream getOutputStream(@NonNull final File target, Context context, long s) {
OutputStream outStream = null;
try {
// First try the normal way
if (isWritable(target)) {
// standard way
outStream = new FileOutputStream(target);
} else {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
// Storage Access Framework
DocumentFile targetDocument = getDocumentFile(target, false, context);
outStream = context.getContentResolver().openOutputStream(targetDocument.getUri());
} else if (Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {
// Workaround for Kitkat ext SD card
return MediaStoreHack.getOutputStream(context, target, s);
}
}
} catch (Exception e) {
Log.e("AmazeFileUtils", "Error when copying file from " + target.getAbsolutePath(), e);
}
return outStream;
}
