如何从onActivityResult Intent获取视频缩略图?
问题描述:
下面是我的代码,我是从ThumbnailUtils.createVideoThumbnail如何从onActivityResult Intent获取视频缩略图?
得到一个空Intent takePicture = new Intent(Intent.ACTION_PICK, MediaStore.Video.Media.EXTERNAL_CONTENT_URI);
takePicture.setType("video/*");
startActivityForResult(takePicture, 4);
我OnResultActivity代码视频文件选择意向:
if(requestCode == 4) {
Uri selectedVideoUri = data.getData();
Bitmap bitmap = ThumbnailUtils.createVideoThumbnail(selectedVideoUri.getPath(), MediaStore.Video.Thumbnails.MINI_KIND);
Log.i("Video URI, ", String.valueOf(bitmap));
}
,并请帮助我如何从中获取缩略图录制视频目的
Intent takeVideo = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
startActivityForResult(takeVideo, REQUEST_VIDEO_CAPTURE);
答
经过一番研究,我注意到,file path不应该是URI
,你应该有这样的事情
final String noturipath = getRealPathFromUri();
Bitmap bitmap = ThumbnailUtils.createVideoThumbnail(noturipath, MediaStore.Video.Thumbnails.MICRO_KIND);
然后创建一个方法
public string getRealPathFromUri (final Uri content)
{
// get intent from activity and added it here
Uri uri;
String stringUri;
stringUri = uri.toString();
}
+0
我无法理解如何实现它。 –
你遇到任何错误? – Moudiz
是啊! @Moudiz我得到NULL ThumbnailUtils.createVideoThumbnail()和Path的位图看起来像这样的内容://com.google.android.apps.photos.contentprovider/0/2/mediaKey%3A%2FAF1QipPxxGACJYs83m_I4qJ0ZWWUuTkYkZRmd7mMoz-Q/ACTUAL/ 1273675962 –