在模拟器中，我没有这个问题，但是当我在我的设备上运行的应用程序applicationDidBecomeActive和applicationWillTerminate不叫。 难道是因为我的越狱和运行背景资料等？ 下面是从Xcode的gdb的日志：
[Session started at 2010-02-28 15:37:00 +0900.]
GNU gdb 6.3.50-20050815 (Apple version gdb-1460) (Fri Feb 5 06:29:49 UTC 2010)
Copyright 2004 Free Software Foundation, Inc.
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This GDB was configured as "--host=i386-apple-darwin --target=arm-apple-darwin".tty /dev/ttys006
Loading program into debugger…
Program loaded.
target remote-mobile /tmp/.XcodeGDBRemote-582-78
Switching to remote-macosx protocol
mem 0x1000 0x3fffffff cache
mem 0x40000000 0xffffffff none
mem 0x00000000 0x0fff none
run
Running…
[Switching to thread 11779]
[Switching to thread 11779]
sharedlibrary apply-load-rules all
continue
warning: UUID mismatch detected with the loaded library - on disk is:
/Volumes/Xcode/MyAppName/build/Debug-iphoneos/MyAppName.app/MyAppName
warning: Unable to read symbols for "/Library/MobileSubstrate/MobileSubstrate.dylib" (file not found).
warning: Unable to read symbols for "/Library/RockExtensions/RockExtensions.dylib" (file not found).
2010-02-28 15:37:26.270 MyAppName[997:207] MS:Notice: Installing: com.yourcompany.MyAppName [MyAppName] (478.52)
2010-02-28 15:37:26.423 MyAppName[997:207] MS:Notice: Loading: /Library/MobileSubstrate/DynamicLibraries/Backgrounder.dylib
warning: Unable to read symbols for "/Library/MobileSubstrate/DynamicLibraries/Backgrounder.dylib" (file not found).
warning: Unable to read symbols for "/Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1 (7C144)/Symbols/usr/lib/libsubstrate.dylib" (file not found).
2010-02-28 15:37:26.654 MyAppName[997:207] MS:Notice: Loading: /Library/MobileSubstrate/DynamicLibraries/FCSB.dylib
warning: Unable to read symbols for "/Library/MobileSubstrate/DynamicLibraries/FCSB.dylib" (file not found).
warning: Unable to read symbols for "/Library/RockExtensions/RockInject.dylib" (file not found).
warning: Unable to read symbols for "/Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1 (7C144)/Symbols/usr/lib/librockextension.dylib" (file not found).
2010-02-28 15:37:27.112 MyAppName[997:207] RE:Notice: Launching: com.yourcompany.MyAppName
MS:Warning: message not found [MyAppName applicationWillResignActive:]
MS:Warning: message not found [MyAppName applicationDidBecomeActive:]非常感谢您的帮助。
