XML
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res/com.org.BatteryManager"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
>
<com.org.BatteryManager.BatteryView
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:textColor="#ffffffff"
/>
</LinearLayout>
Logcat
02-17 18:49:49.392:警告/AppWidgetHostView(124):updateAppWidget无法找到任何视图,使用错误视图
02-17 18:49:49.392:WARN / AppWidgetHostView(124):android.view.InflateException:二进制XML文件行#9:错误膨胀类com.org.BatteryManager.BatteryView
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:576)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.view.LayoutInflater.rInflate(LayoutInflater.java:618)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.view.LayoutInflater.inflate(LayoutInflater.java:407)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.view.LayoutInflater.inflate(LayoutInflater.java:320)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.widget.RemoteViews.apply(RemoteViews.java:930)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.appwidget.AppWidgetHostView.updateAppWidget(AppWidgetHostView.java:219)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.appwidget.AppWidgetHost.updateAppWidgetView(AppWidgetHost.java:250)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在 android.appwidget.AppWidgetHost$UpdateHandler.handleMessage(AppWidgetHost.java:73)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.os.Handler.dispatchMessage(Handler.java:99)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.os.Looper.loop(Looper.java:123)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.app.ActivityThread.main(ActivityThread.java:4627)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在java.lang.reflect.Method.invokeNative(本机方法)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在java.lang.reflect.Method.invoke(Method.java:521)
02-17 18:49:49.392: WARN/AppWidgetHostView(124): 在 com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在dalvik.system.NativeStart.main(本机方法)
02-17 18:49:49.392:警告/AppWidgetHostView(124):引起:java.lang.ClassNotFoundException:加载器dalvik.system.PathClassLoader [.]中的com.org.BatteryManager.BatteryView
02-17 18:49:49.392:警告/AppWidgetHostView(124):在dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在java.lang.ClassLoader.loadClass(ClassLoader.java:573)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在java.lang.ClassLoader.loadClass(ClassLoader.java:532)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.view.LayoutInflater.createView(LayoutInflater.java:466)
02-17 18:49:49.392:警告/AppWidgetHostView(124):在android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:565)
02-17 18:49:49.392: 警告/AppWidgetHostView(124): ... 15 更多
我有同样令人困惑的问题。要修复它,您的自定义视图应该提供一个带有两个参数的构造函数:建议的 Context 和 AttributeSethere https://stackoverflow.com/questions/3739661/android-error-inflating-class/3739853#3739853.
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