這裏是堆棧跟蹤:斑馬線 - 致命異常:無法實例活動ComponentInfo {.. CaptureActivity}
04-10 18:09:36.393: E/AndroidRuntime(26592): FATAL EXCEPTION: main
04-10 18:09:36.393: E/AndroidRuntime(26592): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{org.jujitsu.app.com/com.google.zxing.client.android.CaptureActivity}: java.lang.ClassNotFoundException: com.google.zxing.client.android.CaptureActivity in loader dalvik.system.PathClassLoader[/data/app/org.jujitsu.app.com-1.apk]
04-10 18:09:36.393: E/AndroidRuntime(26592): atandroid.app.ActivityThread.performLaunchActivity(ActivityThread.java:1738)
04-10 18:09:36.393: E/AndroidRuntime(26592): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1837)
04-10 18:09:36.393: E/AndroidRuntime(26592): at android.app.ActivityThread.access$1500(ActivityThread.java:132)
04-10 18:09:36.393: E/AndroidRuntime(26592): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1033)
04-10 18:09:36.393: E/AndroidRuntime(26592): at android.os.Handler.dispatchMessage(Handler.java:99)
04-10 18:09:36.393: E/AndroidRuntime(26592): at android.os.Looper.loop(Looper.java:143)
04-10 18:09:36.393: E/AndroidRuntime(26592): at android.app.ActivityThread.main(ActivityThread.java:4196)
04-10 18:09:36.393: E/AndroidRuntime(26592): at java.lang.reflect.Method.invokeNative(Native Method)
04-10 18:09:36.393: E/AndroidRuntime(26592): at java.lang.reflect.Method.invoke(Method.java:507)
04-10 18:09:36.393: E/AndroidRuntime(26592): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
04-10 18:09:36.393: E/AndroidRuntime(26592): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
04-10 18:09:36.393: E/AndroidRuntime(26592): at dalvik.system.NativeStart.main(Native Method)
04-10 18:09:36.393: E/AndroidRuntime(26592): Caused by: java.lang.ClassNotFoundException: com.google.zxing.client.android.CaptureActivity in loader dalvik.system.PathClassLoader[/data/app/org.jujitsu.app.com-1.apk]
04-10 18:09:36.393: E/AndroidRuntime(26592): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
04-10 18:09:36.393: E/AndroidRuntime(26592): at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
04-10 18:09:36.393: E/AndroidRuntime(26592): at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
04-10 18:09:36.393: E/AndroidRuntime(26592): at android.app.Instrumentation.newActivity(Instrumentation.java:1061)
04-10 18:09:36.393: E/AndroidRuntime(26592): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1730)
04-10 18:09:36.393: E/AndroidRuntime(26592): ... 11 more
這是我的艙單申報。
<activity android:name="com.google.zxing.client.android.CaptureActivity"
android:screenOrientation="landscape"
android:configChanges="orientation|keyboardHidden"
android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
android:windowSoftInputMode="stateAlwaysHidden">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.DEFAULT"/>
</intent-filter>
<intent-filter>
<action android:name="com.google.zxing.client.android.SCAN"/>
<category android:name="android.intent.category.DEFAULT"/>
</intent-filter>
</activity>
這裏何時/何地發生的錯誤:
public void onClick(View v){
Intent intent = new Intent("com.google.zxing.client.android.SCAN");
intent.putExtra("SCAN_MODE", "QR_CODE_MODE");
startActivityForResult(intent, 0);
}
它的工作原理好吧,當我選擇一個隨機的QR碼閱讀器我有,但是當我使用的應用程序作爲一個QR碼閱讀器就給出了這樣的錯誤。
我有點困惑,爲什麼它這樣做...我在我的eclipse項目中的引用庫中有core.jar也可能是核心不完整?
但它的開源。我可以做我想做的事。 – jimbob 2012-08-10 14:25:43