【问题标题】:Error inflating class ImageButton Stops app from starting错误膨胀类 ImageButton 停止应用程序启动
【发布时间】:2019-10-08 06:50:15
【问题描述】:

我的应用程序无法启动,因为错误膨胀类 ImageButton,因此手机显示“应用程序已停止”等。 我正在使用 firebase 测试实验室来调试问题

错误发生在三星设备上,特别是 A20、s7 Edge、s7(用 firebase 测试相同的问题)

我是 android 新手,尝试过很多来自 google 的解决方案,所以到目前为止都没有奏效

这是关于 firebase 的错误报告

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.smartpractice.smartpracticesmartapp/com.smartpractice.myapplication.MainActivity}: android.view.InflateException: Binary XML file line #117: Binary XML file line #117: Error inflating class ImageButton
     FATAL EXCEPTION: main
Process: com.smartpractice.smartpracticesmartapp, PID: 26921
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.smartpractice.smartpracticesmartapp/com.smartpractice.myapplication.MainActivity}: android.view.InflateException: Binary XML file line #117: Binary XML file line #117: Error inflating class ImageButton
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3253)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3349)
    at android.app.ActivityThread.access$1100(ActivityThread.java:221)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:158)
    at android.app.ActivityThread.main(ActivityThread.java:7224)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
Caused by: android.view.InflateException: Binary XML file line #117: Binary XML file line #117: Error inflating class ImageButton
    at android.view.LayoutInflater.inflate(LayoutInflater.java:551)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:429)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:380)
    at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:469)
    at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
    at com.smartpractice.myapplication.MainActivity.onCreate(MainActivity.java:14)
    at android.app.Activity.performCreate(Activity.java:6876)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1135)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3206)
    ... 9 more
Caused by: android.view.InflateException: Binary XML file line #117: Error inflating class ImageButton
    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:794)
    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:716)
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:847)
    at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:810)
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:855)
    at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:810)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:527)
    ... 17 more
Caused by: android.content.res.Resources$NotFoundException: Resource ID #0x7f070089
    at android.content.res.Resources.getValue(Resources.java:2558)
    at androidx.appcompat.widget.AppCompatDrawableManager.loadDrawableFromDelegates(AppCompatDrawableManager.java:331)
    at androidx.appcompat.widget.AppCompatDrawableManager.getDrawable(AppCompatDrawableManager.java:198)
    at androidx.appcompat.widget.AppCompatDrawableManager.getDrawable(AppCompatDrawableManager.java:191)
    at androidx.appcompat.content.res.AppCompatResources.getDrawable(AppCompatResources.java:102)
    at androidx.appcompat.widget.AppCompatImageHelper.loadFromAttributes(AppCompatImageHelper.java:59)
    at androidx.appcompat.widget.AppCompatImageButton.<init>(AppCompatImageButton.java:79)
    at androidx.appcompat.widget.AppCompatImageButton.<init>(AppCompatImageButton.java:69)
    at androidx.appcompat.app.AppCompatViewInflater.createImageButton(AppCompatViewInflater.java:202)
    at androidx.appcompat.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:122)
    at androidx.appcompat.app.AppCompatDelegateImpl.createView(AppCompatDelegateImpl.java:1266)
    at androidx.appcompat.app.AppCompatDelegateImpl.onCreateView(AppCompatDelegateImpl.java:1316)
    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:758)

这里是 XML

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/relativeLayout4"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/ic_launcher_background"
    tools:context=".MainActivity">

    <com.google.android.flexbox.FlexboxLayout
        android:id="@+id/flexboxLayout"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="8dp"
        android:layout_marginLeft="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginRight="8dp"
        app:alignContent="stretch"
        app:alignItems="stretch"
        app:flexWrap="wrap"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.863"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/guideline7">


        <TextView
            android:id="@+id/textView"
            android:layout_width="match_parent"
            android:layout_height="48dp"
            android:fontFamily="@font/nunito"
            android:gravity="center_horizontal"
            android:text="@string/welcome_to_smartpractice"
            android:textSize="24sp"
            app:fontFamily="@font/nunito"
            app:layout_alignSelf="baseline"
            tools:layout_editor_absoluteY="100dp"
            tools:targetApi="jelly_bean" />

        <TextView
            android:id="@+id/textView7"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/colorPrimaryDark"
            android:gravity="center_horizontal|fill_vertical"
            android:text="@string/docsharesmart"
            android:textColor="@color/ic_launcher_background"
            app:layout_alignSelf="flex_end"
            tools:layout_editor_absoluteY="16dp" />

    </com.google.android.flexbox.FlexboxLayout>

    <com.google.android.flexbox.FlexboxLayout
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginStart="8dp"
        android:layout_marginLeft="8dp"
        android:layout_marginTop="4dp"
        android:layout_marginEnd="8dp"
        android:layout_marginRight="8dp"
        android:layout_marginBottom="8dp"
        app:alignContent="center"
        app:alignItems="stretch"
        app:flexDirection="row"
        app:flexWrap="nowrap"
        app:justifyContent="space_between"
        app:layout_constraintBottom_toTopOf="@+id/guideline7"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <ImageView
            android:id="@+id/imageView3"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:contentDescription="@string/logo1"
            app:layout_alignSelf="center"
            app:srcCompat="@drawable/smartpractice_logo_02"
            tools:layout_editor_absoluteX="0dp"
            tools:layout_editor_absoluteY="-46dp" />

        <ImageButton
            android:id="@+id/LoginScreen"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@null"
            android:contentDescription="@string/loginscreen"
            app:layout_alignSelf="center"
            app:layout_wrapBefore="false"
            app:srcCompat="@drawable/ic_more_vert_black_24dp"
            tools:layout_editor_absoluteX="248dp"
            tools:layout_editor_absoluteY="134dp" />


    </com.google.android.flexbox.FlexboxLayout>

    <com.google.android.flexbox.FlexboxLayout
        android:id="@+id/flexboxLayout2"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginBottom="8dp"
        app:alignContent="stretch"
        app:alignItems="stretch"
        app:flexWrap="wrap"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/flexboxLayout"
        app:layout_constraintVertical_bias="0.146">

这是错误的第 117 行

        <ImageButton
            android:id="@+id/UploadButton"
            android:layout_width="300dp"
            android:layout_height="209dp"
            android:background="@android:color/transparent"
            app:layout_constraintTop_toBottomOf="@+id/flexboxLayout"
            app:srcCompat="@drawable/upload_files_upload"
            android:contentDescription="@string/todo" />


    </com.google.android.flexbox.FlexboxLayout>


    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline7"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_begin="185dp" />


</androidx.constraintlayout.widget.ConstraintLayout>

【问题讨论】:

标签: android android-xml android-inflate


【解决方案1】:

这意味着在drawble 文件夹中找不到upload_files_upload,这可能是一种情况,您的文件可能存在于drawable-24 但不在drawble 文件夹中,在这种情况下仍然会出现此问题。重点是您的文件必须在所有drawble 文件夹中。

【讨论】:

  • 我只有一个可绘制文件夹,即“可绘制”我必须添加新的可绘制文件夹还是什么
  • @RubenMeiring 不,不需要。将尝试删除此行: app:srcCompat="@drawable/upload_files_upload" 并再次构建您的项目。让我知道会发生什么
  • 按钮消失,它是一个图像按钮并删除图像
  • 您的图片可能有问题,请尝试在您的 ImageButton 中加载不同的图片
【解决方案2】:

您的错误原因是upload_files_upload 不在您的drawable 文件夹中:

<ImageButton
            android:id="@+id/UploadButton"
            android:layout_width="300dp"
            android:layout_height="209dp"
            android:background="@android:color/transparent"
            app:layout_constraintTop_toBottomOf="@+id/flexboxLayout" 
            app:srcCompat="@drawable/upload_files_upload"// this line
            android:contentDescription="@string/todo" />

【讨论】:

  • 我只有一个可绘制文件夹,并且该应用程序可以在我的手机和我同事的几部手机上的多台设备上运行
  • 您的upload_files_upload 矢量是否可绘制?
  • 是的,这会导致问题吗??它是PNG格式,如果这会产生差异
  • 您是否在 build.gradle 中定义了 defaultConfig { vectorDrawables.useSupportLibrary = true }?
  • 是的,我有,问题是该应用程序可以在某些手机上运行,​​而有些则不能,这非常令人困惑
【解决方案3】:

我已经解决了我将 app:srcCompat="@drawable/upload_files_upload"// 更改为 android:src="@drawable/upload_files_upload" 的问题 所以问题出在 app:srcCompat 我把它改成了 Android:src 现在可以正常工作了

【讨论】:

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