android 录像 第一帧,Android获取视频第一帧 first frame 的研究之路

现在大大小小的应用都包含视频，原来的做法就是想办法利用前台的一张图片作为封面，今天终于不用这个图片啦。

研究路线:

一。根据stackoverflow搜索结果，测试第一帧。(这个方法不行)

地址

If you use API level 8 and above. You can create preview of a video like this:

String videoFile = "/sdcard/blonde.mp4";

Bitmap thumbnail = ThumbnailUtils.createVideoThumbnail(videoFile,

MediaStore.Images.Thumbnails.MINI_KIND);

If you use API level 8 and above. You can create preview of a video like this:

String videoFile = "/sdcard/blonde.mp4";

Bitmap thumbnail = ThumbnailUtils.createVideoThumbnail(videoFile,

MediaStore.Images.Thumbnails.MINI_KIND);

Now you can show it in an ImageView:

ImageView imageView = (ImageView) findViewById(R.id.my_image_view);

imageView.setImageBitmap(thumbnail);

Or you can set it to a VideoView as a background, so that it is shown as a firs