Android raw 目錄下視頻的縮略圖的獲取
以下代碼用于獲取 Android raw目錄下視頻文件的縮略圖:
/** * 獲取 raw 下 指定視頻文件的縮略圖 * @param aVideoName * @return */private Drawable getThumbnail(String aVideoName){ Drawable ret = null; int id = 0; try { id = R.raw.class.getDeclaredField(aVideoName).getInt(this); Uri videoURI = Uri.parse("android.resource://" + this.getPackageName() + "/" + id); ret = getThumbnail(videoURI); } catch ( IllegalAccessException aE ) { aE.printStackTrace(); } catch ( NoSuchFieldException aE ) { aE.printStackTrace(); } return ret;}private Drawable getThumbnail(Uri aVideoUri){ MediaMetadataRetriever retriever = new MediaMetadataRetriever(); retriever.setDataSource(this, aVideoUri); Bitmap bitmap = retriever .getFrameAtTime(1*1000*1000, MediaMetadataRetriever.OPTION_PREVIOUS_SYNC); Drawable drawable = new BitmapDrawable(getResources(), bitmap); return drawable;}感謝閱讀,希望能幫助到大家,謝謝大家對本站的支持!
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