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Android - 预览和设计 View 上的 "Exception raised during rendering: Could not initialize class libcore.util.ZoneInfoDB"

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尝试在我的一些 xml 布局中查看预览或设计 View 时遇到此渲染问题:

Exception raised during rendering: Could not initialize class libcore.util.ZoneInfoDB

这是我遇到问题的布局之一:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:ads="http://schemas.android.com/apk/res-auto"
android:id="@+id/rl"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<RelativeLayout
android:id="@+id/rlMeasures"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginBottom="5dp"
android:layout_marginLeft="15dp"
android:layout_marginRight="15dp"
android:layout_marginTop="5dp" >

<TextView
android:id="@+id/tvBat"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/percentage"
android:textSize="20sp" />

<TextView
android:id="@+id/tvAlarm"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/tvBat"
android:layout_toRightOf="@id/tvBat"
android:layout_toEndOf="@id/tvBat"
android:gravity="end"
android:text="@string/blank"
android:textSize="20sp" />
</RelativeLayout>

<RelativeLayout
android:id="@+id/rlTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/rlMeasures"
android:layout_centerHorizontal="true" >

<TextView
android:id="@+id/tvTime"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="@string/time"
android:textSize="80sp" />

<TextView
android:id="@+id/tvDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/tvTime"
android:layout_centerHorizontal="true"
android:gravity="center"
android:text="@string/date"
android:textSize="20sp" />

<TextView
android:id="@+id/tvAmPm"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/tvTime"
android:layout_marginBottom="15dp"
android:layout_marginStart="5dp"
android:layout_marginLeft="5dp"
android:layout_toRightOf="@id/tvTime"
android:layout_toEndOf="@id/tvTime"
android:gravity="center"
android:text="@string/ampm"
android:textSize="20sp" />
</RelativeLayout>

<AnalogClock
android:id="@+id/ac"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_above="@+id/rlTime"
android:layout_below="@+id/adView"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:dial="@drawable/acnbface"
android:hand_hour="@drawable/achour"
android:hand_minute="@drawable/acminute" />

<com.google.android.gms.ads.AdView
android:id="@+id/adView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
ads:adSize="BANNER"
ads:adUnitId="ca-app-pub-6205053969368684/3258044850"
android:gravity="center" >
</com.google.android.gms.ads.AdView>

<RelativeLayout
android:id="@+id/rlActivity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_centerVertical="true"
android:layout_gravity="center_vertical"
android:background="@drawable/gradientright"
android:gravity="center_vertical|start" >

<ScrollView
android:id="@+id/svActivity"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
tools:ignore="UselessParent" >

<RelativeLayout
android:id="@+id/rlActivity2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical" >

<ImageButton
android:id="@+id/ibStopwatch"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_margin="10dp"
android:background="@drawable/stopwatch"
android:contentDescription="@string/stopwatch" />

<ImageButton
android:id="@+id/ibFs"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_below="@id/ibStopwatch"
android:layout_margin="10dp"
android:background="@drawable/fs"
android:contentDescription="@string/fs" />

<ImageButton
android:id="@+id/ibFsn"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_below="@id/ibFs"
android:layout_margin="10dp"
android:background="@drawable/fsnm"
android:contentDescription="@string/fsn" />
</RelativeLayout>
</ScrollView>
</RelativeLayout>

<RelativeLayout
android:id="@+id/rlShort"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:layout_gravity="center_vertical"
android:background="@drawable/gradientleft"
android:gravity="center_vertical|end" >

<ScrollView
android:id="@+id/svShort"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
tools:ignore="UselessParent" >

<RelativeLayout
android:id="@+id/rlShort2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical" >

<ImageButton
android:id="@+id/ibMusic"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_margin="5dp"
android:background="@drawable/music"
android:contentDescription="@string/music" />

<ImageButton
android:id="@+id/ibYoutube"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_below="@id/ibMusic"
android:layout_margin="5dp"
android:background="@drawable/youtube"
android:contentDescription="@string/youtube" />

<ImageButton
android:id="@+id/ibKeep"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_below="@id/ibYoutube"
android:layout_margin="5dp"
android:background="@drawable/keep"
android:contentDescription="@string/keep" />

<ImageButton
android:id="@+id/ibPlay"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_below="@id/ibKeep"
android:layout_margin="5dp"
android:background="@drawable/play"
android:contentDescription="@string/play" />

<ImageButton
android:id="@+id/ibSearch"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_below="@id/ibPlay"
android:layout_margin="5dp"
android:background="@drawable/search"
android:contentDescription="@string/search" />

<ImageButton
android:id="@+id/ibBrowser"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_below="@id/ibSearch"
android:layout_margin="5dp"
android:background="@drawable/browser"
android:contentDescription="@string/browser" />
</RelativeLayout>
</ScrollView>
</RelativeLayout>

</RelativeLayout>

我没有从 Android Studio 收到任何错误或警告,我可以毫无问题地调试应用程序。任何人都可以向我解释一下情况吗?是我的代码中有问题还是 Android Studio 错误?

谢谢

最佳答案

Android 21 下的 AnalogClock 会出现此错误。您可以在处理布局时尝试(暂时)切换到 Android L 或更低版本。

有关此问题的报告已提交至 http://b.android.com/79160

关于Android - 预览和设计 View 上的 "Exception raised during rendering: Could not initialize class libcore.util.ZoneInfoDB",我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/26810076/

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