![](/img/trans.png)
[英]how to get the name of a selected image from gallery of images android studio
[英]Retrieving all images from image gallery using content resolver in Android Studio [Java]
我正在尝试从图像厨房抓取所有图像,并以网格视图显示它们。 我被困住了,不知道从这里去哪里。 如果我运行此代码,则光标返回的getCount为0。
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
String[] imageStrings = {MediaStore.Images.Thumbnails._ID};
Uri uri = MediaStore.Images.Thumbnails.INTERNAL_CONTENT_URI;
Cursor cursor = getActivity().getContentResolver().query(uri, imageStrings, null,
null, MediaStore.Images.Thumbnails.IMAGE_ID);
Log.d("onActivityCreated: ", cursor.getCount()+"");
}
如果我运行此代码,则光标返回的getCount为0。
尝试将MediaStore.Images.Thumbnails.INTERNAL_CONTENT_URI
更改为MediaStore.Images.MEDIA.EXTERNAL_CONTENT_URI
代码已修改
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
String[] imageStrings = {MediaStore.Images.Thumbnails._ID};
Uri uri = MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI;
Cursor cursor = getActivity().getContentResolver().query(uri, imageStrings, null,
null, MediaStore.Images.Thumbnails.IMAGE_ID);
Log.d("onActivityCreated: ", cursor.getCount()+"");
}
有关更多信息,请检查@Tarun答案
希望这可以帮助!!
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.