如何在片段内膨胀视图或如何从片段恢复活动

Question

错误：    01-12 13：53：23.625 19314-19314 / com.example.lenovopc.xyz E / AndroidRuntime：FATAL EXCEPTION：main                                                                           处理：com.example.lenovopc.xyz，PID：19314                                                                            java.lang.RuntimeException：无法恢复活动 {com.example.lenovopc.xyz/com.example.lenovopc.xyz.ScanActivity}：android.view.InflateException：二进制XML文件行＃0：二进制XML文件行＃0：错误类com.scanlibrary.PolygonView错误                                                                               在                                                                            引起：java.lang.ClassNotFoundException：在路径上找不到类“com.scanlibrary.PolygonView”：DexPathList [[zip file“/data/app/com.example.lenovopc.xyz-2/base.apk”] ，nativeLibraryDirectories = [/ data / app / com.example.lenovopc.xyz-2 / lib / arm，/ system / lib，/ vendor / lib]]

代码： PickImageFragment.java

public void onActivityResult(int requestCode, int resultCode, Intent data) {
    Log.d("", "onActivityResult" + resultCode);
    Bitmap bitmap = null;
    if (resultCode == Activity.RESULT_OK) {
        try {
            switch (requestCode) {
                case ScanConstants.START_CAMERA_REQUEST_CODE:
                    bitmap = getBitmap(fileUri);
                    break;

                case ScanConstants.PICKFILE_REQUEST_CODE:
                    bitmap = getBitmap(data.getData());
                    break;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    } else {
        getActivity().finish();
    }
    if (bitmap != null) {
        postImagePick(bitmap);
    }
}


protected void postImagePick(Bitmap bitmap) {
    Uri uri = Utils.getUri(getActivity(), bitmap);
    bitmap.recycle();
    scanner.onBitmapSelect(uri);
}


private Bitmap getBitmap(Uri selectedimg) throws IOException {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inSampleSize = 3;
    AssetFileDescriptor fileDescriptor = null;
    fileDescriptor =
            getActivity().getContentResolver().openAssetFileDescriptor(selectedimg, "r");
    Bitmap original
            = BitmapFactory.decodeFileDescriptor(
            fileDescriptor.getFileDescriptor(), null, options);
    return original;
}

}

ScanActivity.java

public void onBitmapSelect(Uri uri) {
    ScanFragment fragment = new ScanFragment();
    Bundle bundle = new Bundle();
    bundle.putParcelable(ScanConstants.SELECTED_BITMAP, uri);
    fragment.setArguments(bundle);
    android.app.FragmentManager fragmentManager = getFragmentManager();
    FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
    fragmentTransaction.add(R.id.content, fragment);
    fragmentTransaction.addToBackStack(ScanFragment.class.toString());
    fragmentTransaction.commit();
}

ScanFragment.java

public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    ***view = inflater.inflate(R.layout.scan_fragment_layout, null);***
    init();
    return view;

}