public static boolean remount(String file, String mountType) {
if (file.endsWith("/") && !file.equals("/")) {
file = file.substring(0, file.lastIndexOf("/"));
}
boolean foundMount = false;
List<Mount> mounts = getMounts();
if (mounts == null || mounts.isEmpty()) {
return false;
}
while (!foundMount) {
for (Mount mount : mounts) {
if (file.equals(mount.getMountPoint().toString())) {
foundMount = true;
break;
}
}
if (!foundMount) {
file = (new File(file).getParent()).toString();
}
}
Mount mountPoint = getMountPoint(file);
final boolean isMountMode = mountPoint.getFlags().contains(mountType.toLowerCase());
if (!isMountMode) {
Command command =
new Command(
"busybox mount -o remount,"
+ mountType.toLowerCase()
+ " "
+ mountPoint.getDevice().getAbsolutePath()
+ " "
+ mountPoint.getMountPoint().getAbsolutePath(),
"toolbox mount -o remount,"
+ mountType.toLowerCase()
+ " "
+ mountPoint.getDevice().getAbsolutePath()
+ " "
+ mountPoint.getMountPoint().getAbsolutePath(),
"mount -o remount,"
+ mountType.toLowerCase()
+ " "
+ mountPoint.getDevice().getAbsolutePath()
+ " "
+ mountPoint.getMountPoint().getAbsolutePath(),
"/system/bin/toolbox mount -o remount,"
+ mountType.toLowerCase()
+ " "
+ mountPoint.getDevice().getAbsolutePath()
+ " "
+ mountPoint.getMountPoint().getAbsolutePath()) {
@Override
public void onUpdate(int id, String message) {}
@Override
public void onFinished(int id) {}
};
try {
Shell.startRootShell().add(command).waitForFinish();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (TimeoutException e) {
e.printStackTrace();
} catch (PermissionException e) {
e.printStackTrace();
}
}
mountPoint = getMountPoint(file);
if (mountPoint.getFlags().contains(mountType.toLowerCase())) {
return true;
} else {
return false;
}
}