1.启动白屏，Splash一闪而过 参考：https://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&rsv_idx=1&tn=baidu&wd=android%20%E5%90%AF%E5%8A%A8%E7%99%BD%E5%B1%8F&oq=android%20studio%20%E9%BB%98%E8%AE%A4%E5%90%8C%E6%84%8F%E5%85%A8%E9%83%A8%E6%9D%83%E9%99%90&rsv_pq=fd5ab203000070d6&rsv_t=5970%2F%2BfPIvDln7B28M0nCfY1hQz8lviPGp6byBSyEUFWdfjivQOF6AaxR%2Bs&rqlang=cn&rsv_enter=1&inputT=6545&rsv_sug3=63&rsv_sug1=10&rsv_sug7=100&rsv_sug2=0&rsv_sug4=6545
