After I have updated xamarin studio from XamarinStudio-5.10.3.27 to any version from 6.0 to 6.2 and to xamarin.android Version: 7.1.0.41 from Xamarin.VisualStudio_4.3.0.784.msi I meet one stable problem - any application doesn't work on emulators of Genymotions with message "Could not connect to debugger". Or if they allready on device - they are runs and close without any window. But on real devices all works
And it is for any application. When I try to downgrade xamarin.studio to older than 6.0 -XamarinStudio-5.10.3.27, and downgrade to Xamarin.Android Version: 6.1.2.21 (from package Xamarin.VisualStudio_4.1.2.18.msi) all stay working correctly.
Even if I made archive signed APK for publishing in PlayStore - it is not running on emulator - only on real devices.
There log from LogCat when i am trying to open app signed apk on emulator krista.iMonitoring/md53237fb1ec257677d7a931761b6317ebe.SplashActivity
03-02 12:19:02.850: I/ActivityManager(548): START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=krista.iMonitoring/md53237fb1ec257677d7a931761b6317ebe.SplashActivity} from pid 727
03-02 12:19:02.854: W/genymotion_audio(181): out_write() limiting sleep time 46802 to 39909
03-02 12:19:02.982: I/ActivityManager(548): Start proc krista.iMonitoring.process for activity krista.iMonitoring/md53237fb1ec257677d7a931761b6317ebe.SplashActivity: pid=2093 uid=10117 gids={50117, 3003, 1028, 1015}
03-02 12:19:03.010: D/dalvikvm(179): GC_EXPLICIT freed 41K, 4% free 3188K/3312K, paused 1ms+0ms, total 27ms
03-02 12:19:03.022: D/dalvikvm(179): GC_EXPLICIT freed <1K, 4% free 3188K/3312K, paused 5ms+0ms, total 11ms
03-02 12:19:03.038: D/dalvikvm(179): GC_EXPLICIT freed <1K, 4% free 3188K/3312K, paused 3ms+0ms, total 14ms
03-02 12:19:03.098: D/dalvikvm(2093): Trying to load lib /data/app-lib/krista.iMonitoring-1/libmonodroid.so 0xa5057790
03-02 12:19:03.098: D/dalvikvm(2093): Added shared lib /data/app-lib/krista.iMonitoring-1/libmonodroid.so 0xa5057790
03-02 12:19:03.110: W/monodroid(2093): Trying to load sgen from: /data/app-lib/krista.iMonitoring-1/libmonosgen-2.0.so
03-02 12:19:03.154: D/Zygote(179): Process 2093 terminated by signal (4)
03-02 12:19:03.186: I/ActivityManager(548): Process krista.iMonitoring.process (pid 2093) has died.
03-02 12:19:03.222: I/ActivityManager(548): Start proc krista.iMonitoring.process for activity krista.iMonitoring/md53237fb1ec257677d7a931761b6317ebe.SplashActivity: pid=2107 uid=10117 gids={50117, 3003, 1028, 1015}
03-02 12:19:03.234: D/MobileDataStateTracker(548): default: setPolicyDataEnable(enabled=true)
03-02 12:19:03.306: D/dalvikvm(2107): Trying to load lib /data/app-lib/krista.iMonitoring-1/libmonodroid.so 0xa504e1e0
03-02 12:19:03.306: D/dalvikvm(2107): Added shared lib /data/app-lib/krista.iMonitoring-1/libmonodroid.so 0xa504e1e0
03-02 12:19:03.318: W/monodroid(2107): Trying to load sgen from: /data/app-lib/krista.iMonitoring-1/libmonosgen-2.0.so
03-02 12:19:03.390: D/MobileDataStateTracker(548): default: setPolicyDataEnable(enabled=true)
03-02 12:19:03.394: D/Zygote(179): Process 2107 terminated by signal (4)
03-02 12:19:03.394: I/ActivityManager(548): Process krista.iMonitoring.process (pid 2107) has died.
03-02 12:19:03.422: I/ActivityManager(548): Start proc krista.iMonitoring.process for activity krista.iMonitoring/md53237fb1ec257677d7a931761b6317ebe.SplashActivity: pid=2123 uid=10117 gids={50117, 3003, 1028, 1015}
03-02 12:19:03.470: D/MobileDataStateTracker(548): default: setPolicyDataEnable(enabled=true)
03-02 12:19:03.514: D/dalvikvm(2123): Trying to load lib /data/app-lib/krista.iMonitoring-1/libmonodroid.so 0xa504f078
03-02 12:19:03.514: D/dalvikvm(2123): Added shared lib /data/app-lib/krista.iMonitoring-1/libmonodroid.so 0xa504f078
03-02 12:19:03.522: W/monodroid(2123): Trying to load sgen from: /data/app-lib/krista.iMonitoring-1/libmonosgen-2.0.so
03-02 12:19:03.566: D/Zygote(179): Process 2123 terminated by signal (4)
03-02 12:19:03.566: I/ActivityManager(548): Process krista.iMonitoring.process (pid 2123) has died.
03-02 12:19:03.566: W/ActivityManager(548): Force removing ActivityRecord{529ac878 u0 krista.iMonitoring/md53237fb1ec257677d7a931761b6317ebe.SplashActivity t6}: app died, no saved state
03-02 12:19:03.726: W/EGL_genymotion(727): eglSurfaceAttrib not implemented
03-02 12:19:03.730: W/InputMethodManagerService(548): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@52ab5228 attribute=null, token = android.os.BinderProxy@529f3fb8
03-02 12:19:04.338: D/MobileDataStateTracker(548): default: setPolicyDataEnable(enabled=true)
03-02 12:19:04.442: D/MobileDataStateTracker(548): default: setPolicyDataEnable(enabled=true)
Onother apk files that were created before upgrade are running successfuly on emulator, but current version of Xamarin.Studio (6.0 ... 6.2) does not allow this.