我有两个问题：
我已将 ti.barcode 模块集成在钛 android 应用程序中，它正在正确扫描条形码并获得正确的结果，但是当扫描仪窗口打开并单击菜单 - > 设置时会出现强制关闭警报。我想在弱光下扫描时打开手电筒。知道为什么设置菜单崩溃了吗？
我也尝试过创建一个钛制安卓模块来打开/关闭手电筒，效果很好。但是，当我打开手电筒并启动条码扫描仪后，在集成到应用程序后，会出现一条消息（“Android 相机遇到问题，请重新启动设备”）。这是因为打开了两个相机实例。我无法更改 ti.barcode 模块代码，因为它是付费模块。有什么建议可以解决这个问题吗？
单击设置链接后的堆栈跟踪。
W/dalvikvm( 659): threadid=1: thread exiting with uncaught exception (group=0x40015560)
E/TiUncaughtHandler( 659): (main) [31506,94204] Sending event: exception on thread: main msg:android.content.ActivityNotFoundException: Unable to find explicit activity class {regiondo.anbieter/com.google.zxing.client.android.PreferencesActivity}; have you declared this activity in your AndroidManifest.xml?; Titanium 1.7.2,2011/07/21 09:36,97c3689
E/TiUncaughtHandler( 659): android.content.ActivityNotFoundException: Unable to find explicit activity class {regiondo.anbieter/com.google.zxing.client.android.PreferencesActivity}; have you declared this activity in your AndroidManifest.xml?
E/TiUncaughtHandler( 659): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1404)
E/TiUncaughtHandler( 659): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1378)
E/TiUncaughtHandler( 659): at android.app.Activity.startActivityForResult(Activity.java:2827)
E/TiUncaughtHandler( 659): at android.app.Activity.startActivity(Activity.java:2933)
E/TiUncaughtHandler( 659): at com.google.zxing.client.android.CaptureActivity.onOptionsItemSelected(CaptureActivity.java:336)
E/TiUncaughtHandler( 659): at android.app.Activity.onMenuItemSelected(Activity.java:2205)
E/TiUncaughtHandler( 659): at com.android.internal.policy.impl.PhoneWindow.onMenuItemSelected(PhoneWindow.java:748)
E/TiUncaughtHandler( 659): at com.android.internal.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:143)
E/TiUncaughtHandler( 659): at com.android.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:855)
E/TiUncaughtHandler( 659): at com.android.internal.view.menu.IconMenuView.invokeItem(IconMenuView.java:532)
E/TiUncaughtHandler( 659): at com.android.internal.view.menu.IconMenuItemView.performClick(IconMenuItemView.java:122)
E/TiUncaughtHandler( 659): at android.view.View$PerformClick.run(View.java:9080)
E/TiUncaughtHandler( 659): at android.os.Handler.handleCallback(Handler.java:587)
E/TiUncaughtHandler( 659): at android.os.Handler.dispatchMessage(Handler.java:92)
E/TiUncaughtHandler( 659): at android.os.Looper.loop(Looper.java:123)
E/TiUncaughtHandler( 659): at android.app.ActivityThread.main(ActivityThread.java:3647)
E/TiUncaughtHandler( 659): at java.lang.reflect.Method.invokeNative(Native Method)
E/TiUncaughtHandler( 659): at java.lang.reflect.Method.invoke(Method.java:507)
E/TiUncaughtHandler( 659): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
E/TiUncaughtHandler( 659): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
E/TiUncaughtHandler( 659): at dalvik.system.NativeStart.main(Native Method)