Every time I create a new project involving fragments on android studio using the updated androidx libraries I get a blank preview of activity-main.xml reading android.coordinatorlayout...CoordinatorLayout. This makes it so I can't see the preview properly and in some cases not be able to interact with it properly making it difficult to work on the project. I just created a new blank project to show what has been happening. With the following render problem:
java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at android.view.BridgeInflater.lambda$createViewFromCustomInflater$0(BridgeInflater.java:259)
at android.view.BridgeInflater.createViewFromCustomInflater(BridgeInflater.java:285)
at android.view.BridgeInflater.onCreateView(BridgeInflater.java:122)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:928)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:948)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:1002)
at android.view.BridgeInflater.createViewFromTag(BridgeInflater.java:309)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:959)
at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:1121)
at android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:72)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:1095)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1082)
at android.view.LayoutInflater_Delegate.parseInclude(LayoutInflater_Delegate.java:204)
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:1159)
at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:1117)
at android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:72)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:1095)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1082)
at android.view.LayoutInflater_Delegate.parseInclude(LayoutInflater_Delegate.java:204)
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:1159)
at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:1117)
at android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:72)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:1095)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1082)
at android.view.LayoutInflater.inflate(LayoutInflater.java:680)
at android.view.LayoutInflater.inflate(LayoutInflater.java:499)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:353)
at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:431)
at com.android.tools.idea.layoutlib.LayoutLibrary.createSession(LayoutLibrary.java:141)
at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:714)
at com.android.tools.idea.rendering.RenderTask.lambda$inflate$7(RenderTask.java:870)
at com.android.tools.idea.rendering.RenderExecutor$runAsyncActionWithTimeout$2.run(RenderExecutor.kt:187)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NoClassDefFoundError: Could not initialize class com.google.android.material.theme.overlay.MaterialThemeOverlay
at com.google.android.material.textview.MaterialTextView.<init>(MaterialTextView.java:93)
at com.google.android.material.textview.MaterialTextView.<init>(MaterialTextView.java:88)
at com.google.android.material.textview.MaterialTextView.<init>(MaterialTextView.java:83)
at com.google.android.material.theme.MaterialComponentsViewInflater.createTextView(MaterialComponentsViewInflater.java:61)
at androidx.appcompat.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:121)
... 39 more
Sometimes another render problem happens and other times it goes away on its own as I moved different code and settings around but aren't sure what causes it either:
android.view.InflateException: Class not found project
at android.graphics.drawable.DrawableInflater_Delegate.inflateFromClass(DrawableInflater_Delegate.java:63)
at android.graphics.drawable.DrawableInflater.inflateFromClass(DrawableInflater.java:201)
at android.graphics.drawable.DrawableInflater.inflateFromXmlForDensity(DrawableInflater.java:141)
at android.graphics.drawable.Drawable.createFromXmlInnerForDensity(Drawable.java:1402)
at android.graphics.drawable.Drawable.createFromXmlForDensity(Drawable.java:1361)
at android.graphics.drawable.Drawable.createFromXml(Drawable.java:1336)
at com.android.layoutlib.bridge.impl.ResourceHelper.getDrawable(ResourceHelper.java:360)
at android.content.res.Resources_Delegate.getDrawable(Resources_Delegate.java:184)
at android.content.res.Resources.getDrawable(Resources.java:922)
at android.content.Context.getDrawable(Context.java:693)
at androidx.core.content.ContextCompat$Api21Impl.getDrawable(ContextCompat.java:864)
at androidx.core.content.ContextCompat.getDrawable(ContextCompat.java:483)
at androidx.appcompat.widget.ResourceManagerInternal.getDrawable(ResourceManagerInternal.java:148)
at androidx.appcompat.widget.ResourceManagerInternal.getDrawable(ResourceManagerInternal.java:136)
at androidx.appcompat.widget.ResourceManagerInternal.checkVectorDrawableSetup(ResourceManagerInternal.java:493)
at androidx.appcompat.widget.ResourceManagerInternal.getDrawable(ResourceManagerInternal.java:141)
at androidx.appcompat.widget.ResourceManagerInternal.getDrawable(ResourceManagerInternal.java:136)
at androidx.appcompat.content.res.AppCompatResources.getDrawable(AppCompatResources.java:66)
at androidx.appcompat.widget.TintTypedArray.getDrawable(TintTypedArray.java:83)
at androidx.appcompat.widget.Toolbar.<init>(Toolbar.java:318)
at androidx.appcompat.widget.Toolbar.<init>(Toolbar.java:246)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at org.jetbrains.android.uipreview.ViewLoader.createNewInstance(ViewLoader.java:399)
at org.jetbrains.android.uipreview.ViewLoader.loadClass(ViewLoader.java:189)
at org.jetbrains.android.uipreview.ViewLoader.loadView(ViewLoader.java:147)
at com.android.tools.idea.rendering.LayoutlibCallbackImpl.loadView(LayoutlibCallbackImpl.java:303)
at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:417)
at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:428)
at android.view.BridgeInflater.createViewFromTag(BridgeInflater.java:332)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:959)
at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:1121)
at android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:72)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:1095)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1082)
at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:1124)
at android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:72)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:1095)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1082)
at android.view.LayoutInflater.inflate(LayoutInflater.java:680)
at android.view.LayoutInflater.inflate(LayoutInflater.java:499)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:353)
at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:431)
at com.android.tools.idea.layoutlib.LayoutLibrary.createSession(LayoutLibrary.java:141)
at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:714)
at com.android.tools.idea.rendering.RenderTask.lambda$inflate$7(RenderTask.java:870)
at com.android.tools.idea.rendering.RenderExecutor$runAsyncActionWithTimeout$2.run(RenderExecutor.kt:187)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.ClassNotFoundException: project not found.
at com.android.tools.idea.rendering.LayoutlibCallbackImpl.findClass(LayoutlibCallbackImpl.java:899)
at android.graphics.drawable.DrawableInflater_Delegate.inflateFromClass(DrawableInflater_Delegate.java:45)
... 51 more
This following code after this is for the design on activity_main.xml I played around with it before on different projects trying many supposed solutions but nothing really worked:
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<com.google.android.material.appbar.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/Theme.FixHelp.AppBarOverlay">
<androidx.appcompat.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="@style/Theme.FixHelp.PopupOverlay" />
</com.google.android.material.appbar.AppBarLayout>
<include layout="@layout/content_main" />
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_marginEnd="@dimen/fab_margin"
android:layout_marginBottom="16dp"
app:srcCompat="@android:drawable/ic_dialog_email" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>
I'm also going to include my build:gradle in case the problem has anything to do with my settings in the following code:
plugins {
id 'com.android.application'
}
android {
compileSdk 31
defaultConfig {
applicationId "com.revolution.fixhelp"
minSdk 23
targetSdk 31
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
buildFeatures {
viewBinding true
}
}
dependencies {
implementation 'androidx.appcompat:appcompat:1.4.0'
implementation 'com.google.android.material:material:1.4.0'
implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
implementation 'androidx.navigation:navigation-fragment:2.3.5'
implementation 'androidx.navigation:navigation-ui:2.3.5'
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}
Any help would really be appreciated I have been trying for hours to solve this
Try building the project, if it fails then try invalidating the cache.