AttachmentTempFileProvider.java 文件源码

@WorkerThread
public static Uri createTempUriForContentUri(Context context, Uri uri) throws IOException {
    Context applicationContext = context.getApplicationContext();

    File tempFile = getTempFileForUri(uri, applicationContext);
    writeUriContentToTempFileIfNotExists(context, uri, tempFile);
    Uri tempFileUri = FileProvider.getUriForFile(context, AUTHORITY, tempFile);

    registerFileCleanupReceiver(applicationContext);

    return tempFileUri;
}