finish c++ demo
finish c++ demo

wanghuan1115/sdkbox-vungle-sample,tinybearc/sdkbox-vungle-sample,tinybearc/sdkbox-vungle-sample,tinybearc/sdkbox-vungle-sample,tinybearc/sdkbox-vungle-sample,wanghuan1115/sdkbox-vungle-sample,tinybearc/sdkbox-vungle-sample,wanghuan1115/sdkbox-vungle-sample,wanghuan1115/sdkbox-vungle-sample,wanghuan1115/sdkbox-vungle-sample,tinybearc/sdkbox-vungle-sample,wanghuan1115/sdkbox-vungle-sample,tinybearc/sdkbox-vungle-sample,wanghuan1115/sdkbox-vungle-sample