Question

相反，小部件区域显示一条错误消息，提示“加载小部件时出现问题”

在日志中，添加应用小部件时看到这些错误：

07-24 15:57:24.651 2057-5433/? E/RemoteViews: Package name com.theapp not found

07-24 15:57:24.651 2057-2057/? W/AppWidgetHostView: updateAppWidget couldn't find any view, using error view
    android.content.res.Resources$NotFoundException: Resource ID #0x7f0b0034 type #0x5 is not valid
        at android.content.res.Resources.loadXmlResourceParser(Resources.java:2139)
        at android.content.res.Resources.getLayout(Resources.java:1143)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:421)
        at android.widget.RemoteViews.inflateView(RemoteViews.java:3498)
        at android.widget.RemoteViews.-wrap1(Unknown Source:0)
        at android.widget.RemoteViews$AsyncApplyTask.doInBackground(RemoteViews.java:3600)
        at android.widget.RemoteViews$AsyncApplyTask.doInBackground(RemoteViews.java:3596)
        at android.os.AsyncTask$2.call(AsyncTask.java:333)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
        at java.lang.Thread.run(Thread.java:764)

该小部件在Android 8之前的版本中显示正常

编辑：这是我的小部件布局文件：

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="@dimen/widget_margin">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@drawable/appwidget_background"
        android:orientation="horizontal">

        <TextView
            android:id="@+id/button_settings"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:text="@string/app_name" />

        <TextView
            android:id="@+id/button_on"
            android:layout_width="56dp"
            android:layout_height="match_parent"
            android:text="@string/on" />

        <TextView
            android:id="@+id/button_off"
            android:layout_width="56dp"
            android:layout_height="match_parent"
            android:text="@string/off" />
    </LinearLayout>
</FrameLayout>

和元数据文件：

<?xml version="1.0" encoding="utf-8"?>
<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
    android:minWidth="40dp"
    android:minHeight="40dp"
    android:updatePeriodMillis="0"
    android:previewImage="@drawable/widget_preview"
    android:configure="com.theapp.appwidget.AppWidgetActivity"
    android:initialLayout="@layout/appwidget"
    android:resizeMode="horizontal|vertical" />

Answer 1

“加载小部件时出现问题” +您有限的堆栈跟踪指示布局问题。如果您显示布局文件，这将有所帮助。返回并检查所有属性，图像和视图。您的版式中可能有一个元素不允许应用程序使用，因为它们限制了可以使用哪些视图。还要检查您是否在元数据xml文件中正确设置了窗口小部件的大小，并检查填充是否遵循准则。 android准则描述了如何调整其大小并使用填充：https://developer.android.com/guide/practices/ui_guidelines/widget_design

应用小部件未显示在Oreo上

1 个答案: