使用产品：supermap-imobile-9.1.1-168-android

问题描述：将官方文档中的飞行管理(FlyMannger)demo导入成一个module，添加一个入口主界面。

第一次进入FlyMannger的MainActivity，三维场景可正常加载。

点击back回到入口主界面，第二次进入FlyMannger的MainActivity时，发生闪退。

APP销毁过，重新进入则没有问题。

问题总结：第二次打开Activity时，会发生闪退，必现。

APP进程退出后，第一次打开activity时，正常

猜测可能与资源的销毁或回收有关

以下是报错日志

2019-05-08 11:13:47.547 22044-22044/com.example.po.myapplication332 V/AudioManager: playSoundEffect   effectType: 0

2019-05-08 11:13:47.556 22044-22105/com.example.po.myapplication332 W/hwaps: APS: null pointer in reset

2019-05-08 11:13:47.595 22044-22044/com.example.po.myapplication332 D/HwCust: Create obj success use class android.app.HwCustActivityImpl

2019-05-08 11:13:47.596 22044-22044/com.example.po.myapplication332 D/HwCust: Create obj success use class android.app.HwCustHwWallpaperManagerImpl

2019-05-08 11:13:47.598 22044-22044/com.example.po.myapplication332 V/ActivityThread: ActivityThread,callActivityOnCreate

2019-05-08 11:13:47.612 22044-22044/com.example.po.myapplication332 D/HwRTBlurUtils: check blur style for HwPhoneWindow, themeResId : 0x7f0f0007, context : com.supermap.flymanager.MainActivity@3a61a0c, Nhwext : 0, get Blur : disable with , null

2019-05-08 11:13:47.615 22044-22044/com.example.po.myapplication332 D/ActivityThread: add activity client record, r= ActivityRecord{e08b40d token=android.os.BinderProxy@194f13f {com.example.po.myapplication332/com.supermap.flymanager.MainActivity}} token= android.os.BinderProxy@194f13f

2019-05-08 11:13:47.620 22044-22105/com.example.po.myapplication332 D/OpenGLRenderer:   HWUI Binary is  enabled

2019-05-08 11:13:47.629 22044-22044/com.example.po.myapplication332 I/PressGestureDetector: onAttached begin

2019-05-08 11:13:47.630 22044-22044/com.example.po.myapplication332 I/PressGestureDetector: onAttached end

2019-05-08 11:13:47.632 22044-22330/com.example.po.myapplication332 I/PressGestureDetector: enabledInPad = false,isPcCastMode = false

2019-05-08 11:13:47.657 22044-22105/com.example.po.myapplication332 D/mali_winsys: EGLint new_window_surface(egl_winsys_display *, void *, EGLSurface, EGLConfig, egl_winsys_surface **, egl_color_buffer_format *, EGLBoolean) returns 0x3000

2019-05-08 11:13:47.679 22044-22329/com.example.po.myapplication332 E/OGRE: OGRE EXCEPTION(2:InvalidParametersException): NativeWindowType with name '00000000' already exists in GLES2RenderSystem::_createRenderWindow at E:\AR\OGRE1.9_ES3\RenderSystems\GLES2\src\OgreGLES2RenderSystem.cpp (line 526)

2019-05-08 11:13:47.687 22044-22195/com.example.po.myapplication332 A/libc: Fatal signal 11 (SIGSEGV), code 1, fault addr 0x4498 in tid 22195 (Thread-10)

2019-05-08 11:13:47.687 22044-22105/com.example.po.myapplication332 D/OpenGLRenderer:   HWUI Binary is  enabled

2019-05-08 11:13:47.730 22044-22044/com.example.po.myapplication332 W/InputMethodManager: startInputReason = 1