AmsTask.java 文件源码

public AmsTask(Activity activity, Handler handler, AccountManagerCallback<Bundle> callback) {
    super(new Callable<Bundle>() {
        @Override
        public Bundle call() throws Exception {
            throw new IllegalStateException("this should never be called");
        }
    });

    mHandler = handler;
    mCallback = callback;
    mActivity = activity;
    mResponse = new Response();
}