MilesHandler.java 文件源码

private WeakRunnable wrapRunnable(@NonNull Runnable r) {
    //noinspection ConstantConditions
    if (r == null) {
        throw new NullPointerException("Runnable can't be null");
    }
    final ChainedRef hardRef = new ChainedRef(mLock, r);
    mRunnables.insertAfter(hardRef);
    return hardRef.wrapper;
}