MediaStoreCompat.java 文件源码

public void dispatchCaptureIntent(Context context, int requestCode) {
    Intent captureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    if (captureIntent.resolveActivity(context.getPackageManager()) != null) {
        File photoFile = null;
        try {
            photoFile = createImageFile();
        } catch (IOException e) {
            e.printStackTrace();
        }

        if (photoFile != null) {
            mCurrentPhotoPath = photoFile.getAbsolutePath();
            mCurrentPhotoUri = FileProvider.getUriForFile(mContext.get(),
                    mCaptureStrategy.authority, photoFile);
            captureIntent.putExtra(MediaStore.EXTRA_OUTPUT, mCurrentPhotoUri);
            captureIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
                List<ResolveInfo> resInfoList = context.getPackageManager()
                        .queryIntentActivities(captureIntent, PackageManager.MATCH_DEFAULT_ONLY);
                for (ResolveInfo resolveInfo : resInfoList) {
                    String packageName = resolveInfo.activityInfo.packageName;
                    context.grantUriPermission(packageName, mCurrentPhotoUri,
                            Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);
                }
            }
            if (mFragment != null) {
                mFragment.get().startActivityForResult(captureIntent, requestCode);
            } else {
                mContext.get().startActivityForResult(captureIntent, requestCode);
            }
        }
    }
}