我正在尝试进行调试屏幕,该屏幕显示openCV项目中验证过程的各个阶段,这些是指检测到的blob。
(切入追逐) array.xml参考
<item>"@color/debug_IsCircular"</item>
或
<item>@color/debug_IsCircular</item>
崩溃了应用
背景
调试详细程度:
debug_TooBigTooSmall > Show All
debug_WrongRatio > Show Most
debug_NotSquare > Show Some
debug_NotCircular > Show Minimal
debug_IsCircular > Show Only Sucessful
我用颜色表示上面的内容,以便在视觉上(在显示屏上)显示正在进行的操作
要整理调试,我想在
中设置详细程度的preferences.xml
<ListPreference
android:dependency="@string/settings_displayKey"
android:dialogTitle="@string/settings_debugVerbosityTitle"
android:title="@string/settings_debugVerbosityTitle"
android:summary="@string/settings_debugVerbositySummary"
android:key="@string/settings_debugVerbosityKey"
android:defaultValue="0"
android:entries="@array/debugVerbosity"
android:entryValues="@array/debugVerbosityValue"
/>
array.xml
<string-array name="debugVerbosity">
<item>All</item>
<item>Most</item>
<item>Some</item>
<item>Minimal</item>
</string-array>
<string-array name="debugVerbosityValue">
<item>"@color/debug_IsCircular"</item>
<item>2</item>
<item>1</item>
<item>0</item>
</string-array>
此行应该可以使用FC但应用
<item>"@color/debug_IsCircular"</item>
我也试过
<item>@color/debug_IsCircular</item>
也是FC
07-06 14:57:53.920 25717-25717/com.anthonykeane.speedsignfinder E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.NullPointerException
at android.preference.ListPreference.onDialogClosed(ListPreference.java:264)
at android.preference.DialogPreference.onDismiss(DialogPreference.java:390)
at android.app.Dialog$ListenersHandler.handleMessage(Dialog.java:1233)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4898)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773)
at dalvik.system.NativeStart.main(Native Method)
这可以硬编码,但我想使用 工作的参考资料。我错过了什么?