Remove & quot; trim & quot; function options from videos in non-mp4 format in android Image Library

In JB2, video trimming is added. Currently, google does not support video trimming in non-mp4 format by default. In the image library, the toast prompt is displayed, indicating that the video cannot be edited due to an error ". How to remove the "trim" option for videos in non-mp4 format

Modify the updateMenuOperations () method in Gallery2 \ src \ com \ android \ gallery3d \ app \ PhotoPage. java:
Private void updateMenuOperations (){
...
/// M: if file is not mp4, disable trim
If (mCurrentPhoto. getMimeType () = null |! MCurrentPhoto. getMimeType (). toLowerCase (). equals ("video/mp4 ")){
SupportedOperations & = ~ MediaObject. SUPPORT_TRIM;
}

MenuExecutor. updateMenuOperation (menu, supportedOperations );
MCurrentPhoto. getPanoramaSupport (mupdatepanoramenuitemscallback );
}