接了个百度sdk，带了个悬浮的btn，点击的时候会弹出论坛，个人中心这样一个小菜单
1.当弹出这个菜单时，切换到桌面，再返回游戏，菜单依然显示，游戏黑屏
2.再点btn，把菜单隐藏，切换到桌面，再返回游戏，游戏显示正常了
黑屏时在rusume中出错了，提示的bug是：
12-05 15
33.849: D/cocos2d-x debug info(22600): 813.323 applicationWillEnterForground
12-05 1533.869: E/GLSurfaceView(22600): eglCreateWindowSurface
12-05 1533.869: E/GLSurfaceView(22600): java.lang.IllegalArgumentException: Make sure the SurfaceView or associated SurfaceHolder has a valid Surface
12-05 1533.869: E/GLSurfaceView(22600): at com.google.android.gles_jni.EGLImpl._eglCreateWindowSurface(Native Method)
12-05 1533.869: E/GLSurfaceView(22600): at com.google.android.gles_jni.EGLImpl.eglCreateWindowSurface(EGLImpl.java:90)
12-05 1533.869: E/GLSurfaceView(22600): at android.opengl.GLSurfaceView$DefaultWindowSurfaceFactory.createWindowSurface(GLSurfaceView.java:808)
12-05 1533.869: E/GLSurfaceView(22600): at android.opengl.GLSurfaceView$EglHelper.createSurface(GLSurfaceView.java:1077)
12-05 1533.869: E/GLSurfaceView(22600): at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1471)
12-05 1533.869: E/GLSurfaceView(22600): at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1240)
疑问：
1.以上黑屏现象只有在小米手机上能出现，其他手机测试正常
2.如果点开论坛这些sdk带的activity，上面的操作都是正常的，只有这个悬浮的btn会出bug