How to open default gallery app with particular album or folder?

问题

Every example i found on net is opening gallery and get images from gallery as result. My need is i don't want result or images to my app. I just want to trigger gallery app with showing particular folder of images. My App Have separate folder to save images. i need to navigate users directly to that path.

回答1:

Try this code. It will retrieve view pictures under storage/emulated/0/Pictures/AppPics You can change the file path according to your directory path.

File sdDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
File file = new File(sdDir, "AppPics");

if (file.isDirectory()) 
    listFile = file.listFiles();

EDIT: To open your folder using intent

Intent intent = new Intent();
intent.setAction(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.withAppendedPath(Uri.fromFile(file), "/AppPics"), "image/*");
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);

回答2:

You can try like this,

Intent intent = new Intent(Intent.ACTION_VIEW);
Uri uri = [Uri for your folder];
intent.setDataAndType(uri, "image/*");
startActivity(Intent.createChooser(intent, "Open [App] images"));

来源：https://stackoverflow.com/questions/44858799/how-to-open-default-gallery-app-with-particular-album-or-folder