我正在使用一些库，所以我不得不编辑 Gradle 设置。由于我的应用程序无法运行，我在 Android Studio 中使用本地历史记录恢复了它，但它仍然无法运行。返回的错误报告在这里
05-04 23:26:34.953 28017-28017/? I/art: Late-enabling -Xcheck:jni
05-04 23:26:35.217 28017-28017/com.quintabi.facchini.myshop W/System: ClassLoader referenced unknown path: /data/app/com.quintabi.facchini.myshop-2/lib/arm
05-04 23:26:35.233 28017-28017/com.quintabi.facchini.myshop I/InstantRun: starting instant run server: is main process
05-04 23:26:35.333 28017-28017/com.quintabi.facchini.myshop W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter android.support.graphics.drawable.VectorDrawableCompat.updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in android.graphics.drawable.Drawable
05-04 23:26:35.465 28017-28017/com.quintabi.facchini.myshop D/AndroidRuntime: Shutting down VM
--------- beginning of crash
05-04 23:26:35.466 28017-28017/com.quintabi.facchini.myshop E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.quintabi.facchini.myshop, PID: 28017
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.quintabi.facchini.myshop/com.quintabi.facchini.myshop.index}: android.view.InflateException: Binary XML file line #11: Binary XML file line #2: Error inflating class android.support.constraint.ConstraintLayout
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2659)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2724)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1473)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6123)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:757)
Caused by: android.view.InflateException: Binary XML file line #11: Binary XML file line #2: Error inflating class android.support.constraint.ConstraintLayout
Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class android.support.constraint.ConstraintLayout
Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.constraint.ConstraintLayout" on path: DexPathList[[zip file "/data/app/com.quintabi.facchini.myshop-2/base.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_dependencies_apk.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_slice_0_apk.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_slice_1_apk.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_slice_2_apk.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_slice_3_apk.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_slice_4_apk.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_slice_5_apk.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_slice_6_apk.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_slice_7_apk.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_slice_8_apk.apk", zip file "/data/app/com.quintabi.facchini.myshop-2/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/com.quintabi.facchini.myshop-2/lib/arm, /system/lib, /vendor/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:380)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
at android.view.LayoutInflater.createView(LayoutInflater.java:609)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:787)
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:964)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:854)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:821)
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:994)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:854)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:821)
at android.view.LayoutInflater.inflate(LayoutInflater.java:518)
at android.view.LayoutInflater.inflate(LayoutInflater.java:426)
at android.view.LayoutInflater.inflate(LayoutInflater.java:377)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:292)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
at com.quintabi.facchini.myshop.index.onCreate(index.java:25)
at android.app.Activity.performCreate(Activity.java:6672)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1140)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2612)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2724)
05-04 23:26:35.467 28017-28017/com.quintabi.facchini.myshop E/AndroidRuntime: at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1473)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6123)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:757)
Build.gradle(项目):
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.3.1'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
构建.gradle(模块):
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "25.0.2"
defaultConfig {
applicationId "com.quintabi.facchini.myshop"
minSdkVersion 23
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
productFlavors {
}
}
dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.3.1'
compile 'com.android.support:design:25.3.1'
testCompile 'junit:junit:4.12'
}
Settings.gradle 就是
include ':app'
最佳答案
您可能已经更新到 AndroidX 支持库并且布局引用了旧的 ConstraintLayout 版本。因此，您必须在布局 XML 中将 android.support.constraint.ConstraintLayout 标记更新为 androidx.constraintlayout.widget.ConstraintLayout。
关于android - 类未找到异常 : Didn't find class "android.support.constraint.ConstraintLayout" on path，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/43793091/
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