android – 由以下引起：java.lang.IllegalArgumentException：无法猜测com.example.example.databinding.ContentClassApplicationMyClass1Binding

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前端之家收集整理的这篇文章主要介绍了android – 由以下引起：java.lang.IllegalArgumentException：无法猜测com.example.example.databinding.ContentClassApplicationMyClass1Binding，前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
我将 Android工作室从3.0更新到3.1并将Gradle从3.1更新到4.4后,我在android中遇到此错误.

我该如何解决？

它与Gradle 3.1和android studio 3.0一起正常工作.

我怎样才能让它发挥作用？

Gradle app：

  1. buildscript {
  2.     repositories {
  3.         maven { url 'https://maven.fabric.io/public' }
  4.     }
  5.  
  6.     dependencies {
  7.         classpath 'io.fabric.tools:gradle:1.+'
  8.  
  9.     }
  10. }
  11. apply plugin: 'com.android.application'
  12. apply plugin: 'io.fabric'
  13.  
  14. repositories {
  15.  
  16.     mavenCentral()
  17.     google()
  18.     maven { url 'https://maven.fabric.io/public' }
  19. }
  20.  
  21.  
  22. android {
  23.     compileSdkVersion 27
  24.  
  25.     dataBinding {
  26.         enabled = true
  27.     }
  28.  
  29.     defaultConfig {
  30.         applicationId "com.example.example"
  31.         minSdkVersion 22
  32.         targetSdkVersion 23
  33.         versionCode 13
  34.         versionName "1.13"
  35.         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
  36.         vectorDrawables.useSupportLibrary = true
  37.  
  38.         multiDexEnabled true
  39.     }
  40.  
  41.     buildTypes {
  42.         release {
  43.             minifyEnabled false
  44.             proguardFiles getDefaultProguardFile('proguard-android.txt'),'proguard-rules.pro'
  45.         }
  46.     }
  47.  
  48.  
  49.  
  50.  
  51.     packagingOptions {
  52.         exclude 'Meta-INF/DEPENDENCIES'
  53.         exclude 'Meta-INF/LICENSE'
  54.         exclude 'Meta-INF/LICENSE.txt'
  55.         exclude 'Meta-INF/license.txt'
  56.         exclude 'Meta-INF/NOTICE'
  57.         exclude 'Meta-INF/NOTICE.txt'
  58.         exclude 'Meta-INF/notice.txt'
  59.         exclude 'Meta-INF/ASL2.0'
  60.     }
  61.  
  62.  
  63. }
  64.  
  65. dependencies {
  66.     implementation fileTree(include: ['*.jar'],dir: 'libs')
  67.     implementation 'com.android.support:appcompat-v7:27.0.2'
  68.  
  69.     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
  70.     implementation 'com.android.support:design:27.0.2'
  71.     implementation 'com.google.firebase:firebase-messaging:11.8.0'
  72.     implementation 'com.google.firebase:firebase-crash:11.8.0'
  73.     implementation 'com.google.firebase:firebase-core:11.8.0'
  74.     testImplementation 'junit:junit:4.12'
  75.     androidTestImplementation 'com.android.support.test:runner:1.0.1'
  76.     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
  77.     compile 'com.amazonaws:aws-android-sdk-cognitoidentityprovider:2.6.8'
  78.     compile 'com.squareup.retrofit2:retrofit:2.2.0'
  79.     compile 'com.squareup.retrofit2:converter-gson:2.2.0'
  80.     compile 'com.amazonaws:aws-android-sdk-core:2.6.8'
  81.     compile 'com.amazonaws:aws-android-sdk-s3:2.6.8'
  82.     compile 'com.amazonaws:aws-android-sdk-ddb:2.6.8'
  83.     compile 'com.github.twinkle942910:monthyearpicker:0.0.1'
  84.     compile('com.crashlytics.sdk.android:crashlytics:2.9.0@aar') {
  85.         transitive = true;
  86.     }
  87.     compile 'com.google.android.gms:play-services-location:11.8.0'
  88.     compile 'com.zsoltsafrany:needle:1.0.0'
  89.     implementation 'com.android.support:cardview-v7:27.0.2'
  90.     compile 'com.white:progressview:1.0.1'
  91.     compile 'br.com.simplepass:loading-button-android:1.8.1'
  92.     implementation files('/libs/android-sdk-0.1.0.jar')
  93.     compile 'com.android.support:support-v4:27.0.2'
  94.  
  95.     compile 'com.clevertap.android:clevertap-android-sdk:3.1.8'
  96.  
  97.  
  98.     compile 'testfairy:testfairy-android-sdk:1.+@aar'
  99.  
  100.  
  101.     implementation 'com.github.bumptech.glide:glide:4.6.1'
  102.     annotationProcessor 'com.github.bumptech.glide:compiler:4.6.1'
  103. }
  104.  
  105.  
  106.  
  107.  
  108. apply plugin: 'com.google.gms.google-services'

摇篮项目：

  1. // Top-level build file where you can add configuration options common to all sub-projects/modules.
  2.  
  3. buildscript {
  4.  
  5.     repositories {
  6.         google()
  7.         jcenter()
  8.     }
  9.     dependencies {
  10.         classpath 'com.android.tools.build:gradle:3.1.0'
  11.         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.31"
  12.  
  13.         // NOTE: Do not place your application dependencies here; they belong
  14.         // in the individual module build.gradle files
  15.         classpath 'com.google.gms:google-services:3.1.0'
  16.     }
  17. }
  18.  
  19. allprojects {
  20.     repositories {
  21.         google()
  22.         jcenter()
  23.     }
  24. }
  25.  
  26. task clean(type: Delete) {
  27.     delete rootProject.buildDir
  28. }

Gradle-wrapper.Properties：

  1. distributionBase=GRADLE_USER_HOME
  2. distributionPath=wrapper/dists
  3. zipStoreBase=GRADLE_USER_HOME
  4. zipStorePath=wrapper/dists
  5. distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

Gradle.properties

  1. org.gradle.jvmargs=-Xmx1536m
  2. android.databinding.enableV2=true

Layout.xml

  1. <?xml version="1.0" encoding="utf-8"?>
  2. <layout xmlns:android="http://schemas.android.com/apk/res/android"
  3.     xmlns:app="http://schemas.android.com/apk/res-auto"
  4.     xmlns:tools="http://schemas.android.com/tools">
  5.  
  6.     <android.support.constraint.ConstraintLayout
  7.         android:layout_width="match_parent"
  8.         android:layout_height="match_parent"
  9.         android:background="@color/white"
  10.         android:padding="4dp"
  11.         app:layout_behavior="@string/appbar_scrolling_view_behavior"
  12.         tools:context=".Class_application_MyClass1"
  13.         tools:showIn="@layout/activity_class_application_myclass_1">
  14.  
  15.  
  16.         <ScrollView
  17.             android:id="@+id/scrollView2"
  18.             android:layout_width="match_parent"
  19.             android:layout_height="match_parent"
  20.             android:layout_marginBottom="60dip"
  21.             android:layout_marginTop="20dip"
  22.             android:padding="10dp"
  23.             app:layout_constraintEnd_toEndOf="parent"
  24.             app:layout_constraintLeft_toLeftOf="parent"
  25.             app:layout_constraintRight_toRightOf="parent"
  26.             app:layout_constraintStart_toStartOf="parent"
  27.             app:layout_constraintTop_toTopOf="parent">
  28.  
  29.  
  30.             <android.support.v7.widget.CardView
  31.                 android:layout_width="match_parent"
  32.                 android:layout_height="wrap_content"
  33.                 app:cardUseCompatPadding="true">
  34.  
  35.                 <LinearLayout
  36.  
  37.                     android:layout_width="match_parent"
  38.                     android:layout_height="wrap_content"
  39.                     android:focusableInTouchMode="true"
  40.                     android:orientation="vertical"
  41.                     android:padding="25dp">
  42.  
  43.  
  44.                     <android.support.design.widget.TextInputLayout
  45.  
  46.                         android:id="@+id/name_TextInputLayout"
  47.                         android:layout_width="match_parent"
  48.                         android:layout_height="wrap_content"
  49.                         android:layout_marginBottom="25dp">
  50.  
  51.                         <android.support.design.widget.TextInputEditText
  52.                             android:id="@+id/name"
  53.                             android:layout_width="match_parent"
  54.  
  55.                             android:layout_height="wrap_content"
  56.                             android:drawablePadding="10dp"
  57.                             android:hint="Name"
  58.                             android:imeOptions="actionNext"
  59.                             android:singleLine="true"
  60.                             android:text=""
  61.                             android:textSize="13sp" />
  62.  
  63.                     </android.support.design.widget.TextInputLayout>
  64.  
  65.                     <android.support.design.widget.TextInputLayout
  66.  
  67.                         android:id="@+id/number_TextInputLayout"
  68.                         android:layout_width="match_parent"
  69.                         android:layout_height="match_parent"
  70.                         android:layout_marginBottom="25dp">
  71.  
  72.                         <android.support.design.widget.TextInputEditText
  73.                             android:id="@+id/number"
  74.                             android:layout_width="match_parent"
  75.                             android:layout_height="wrap_content"
  76.                             android:drawablePadding="10dp"
  77.                             android:hint="number"
  78.                             android:inputType="textCapCharacters"
  79.                             android:maxLength="10"
  80.                             android:text=""
  81.                             android:textAllCaps="true"
  82.                             android:textSize="13sp" />
  83.  
  84.                     </android.support.design.widget.TextInputLayout>
  85.  
  86.                     <android.support.design.widget.TextInputLayout
  87.  
  88.                         android:id="@+id/classnumber_TextInputLayout"
  89.                         android:layout_width="match_parent"
  90.                         android:layout_height="wrap_content"
  91.                         android:layout_marginBottom="25dp">
  92.  
  93.                         <android.support.design.widget.TextInputEditText
  94.                             android:id="@+id/class_number"
  95.                             android:layout_width="match_parent"
  96.                             android:layout_height="wrap_content"
  97.                             android:drawablePadding="10dp"
  98.                             android:hint="class"
  99.                             android:imeOptions="actionNext"
  100.                             android:inputType="textCapCharacters"
  101.                             android:maxLength="15"
  102.                             android:singleLine="true"
  103.                             android:text=""
  104.                             android:textSize="12sp" />
  105.                     </android.support.design.widget.TextInputLayout>
  106.  
  107.  
  108.                 </LinearLayout>
  109.  
  110.             </android.support.v7.widget.CardView>
  111.  
  112.         </ScrollView>
  113.  
  114.  
  115.     </android.support.constraint.ConstraintLayout>
  116. </layout>

Activity.xml

  1. <?xml version="1.0" encoding="utf-8"?>
  2.  
  3. <layout xmlns:android="http://schemas.android.com/apk/res/android"
  4.     xmlns:app="http://schemas.android.com/apk/res-auto"
  5.     xmlns:tools="http://schemas.android.com/tools">
  6.  
  7.     <android.support.design.widget.CoordinatorLayout
  8.         android:id="@+id/top_layout"
  9.         android:layout_width="match_parent"
  10.         android:layout_height="match_parent"
  11.         tools:context=".Class_application_MyClass1">
  12.  
  13.         <android.support.design.widget.AppBarLayout
  14.             android:layout_width="match_parent"
  15.             android:layout_height="wrap_content"
  16.             android:theme="@style/AppTheme.AppBarOverlay">
  17.  
  18.             <android.support.v7.widget.Toolbar
  19.                 android:id="@+id/toolbar"
  20.                 android:layout_width="match_parent"
  21.                 android:layout_height="?attr/actionBarSize"
  22.                 android:background="@color/fundscorner_blue"
  23.                 app:popupTheme="@style/AppTheme.PopupOverlay" />
  24.  
  25.             <android.support.constraint.ConstraintLayout
  26.                 android:id="@+id/linearLayout3"
  27.                 android:layout_width="fill_parent"
  28.                 android:layout_height="20dp"
  29.                 android:background="@color/white"
  30.                 app:layout_anchor="@+id/content_class_application_myclass_1"
  31.                 app:layout_anchorGravity="top|center">
  32.  
  33.                 <com.white.progressview.HorizontalProgressView
  34.                     android:id="@+id/progress100"
  35.                     android:layout_width="match_parent"
  36.                     android:layout_height="wrap_content"
  37.                     android:padding="10dp"
  38.                     android:progress="25"
  39.                     app:progressReachColor="@color/colorPrimary"
  40.                     app:progressTextColor="@color/colorPrimary"
  41.                     app:progressTextVisible="false"
  42.                     android:minHeight="20dip"
  43.                     android:maxHeight="20dip"
  44.  
  45.                     />
  46.             </android.support.constraint.ConstraintLayout>
  47.  
  48.         </android.support.design.widget.AppBarLayout>
  49.  
  50.  
  51.         <include
  52.             android:id="@+id/content_class_application_myclass_1"
  53.             layout="@layout/content_class_application_myclass_1"/>
  54.  
  55.         <LinearLayout
  56.             app:layout_anchor="@+id/content_class_application_myclass_1"
  57.             app:layout_anchorGravity="bottom|center"
  58.             android:layout_width="match_parent"
  59.             android:layout_height="wrap_content">
  60.  
  61.             <Button
  62.                 android:background="@drawable/ripple"
  63.                 style="?borderlessButtonStyle"
  64.                 android:id="@+id/button_stage1"
  65.                 android:layout_width="match_parent"
  66.                 android:layout_height="wrap_content"
  67.                 android:backgroundTint="@color/fundscorner_blue"
  68.                 android:text="Next"
  69.                 android:textColor="@color/white"
  70.                 />
  71.  
  72.         </LinearLayout>
  73.  
  74.  
  75.     </android.support.design.widget.CoordinatorLayout>
  76. </layout>

在JAVA文件中：

  1. ActivityClassApplicationMyClass1Binding binding;
  2.  
  3.         binding = DataBindingUtil.setContentView(this,R.layout.activity_class_application_myclass_1);
  4.  
  5.  
  6.  
  7. binding.name.settext("Name");

解决方法

它是因为您使用数据绑定的类名或包名.这些类(使用数据绑定)必须以大写单词开头,包以小写开头.

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