I used Constraint layout for an activity creation. No compile time error or
an exception but on run time, an error occures,
09-12 20:19:57.938 8240-8240/com.easy.sumit.lifeline E/AndroidRuntime:
FATAL EXCEPTION: main
Process: com.easy.sumit.lifeline, PID: 8240
java.lang.RuntimeException: Unable to start activity
ComponentInfo{com.easy.sumit.lifeline/com.easy.sumit.lifeline.activities.MainActivity}:
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:2817)
at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
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.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/base.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_dependencies_apk.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_slice_0_apk.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_slice_1_apk.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_slice_2_apk.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_slice_3_apk.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_slice_4_apk.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_slice_5_apk.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_slice_6_apk.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_slice_7_apk.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_slice_8_apk.apk",
zip file
"/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/com.easy.sumit.lifeline-W2en1e4kr7lnHhHBVh4YQg==/lib/x86,
/system/lib, /system/vendor/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:93)
at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
at android.view.LayoutInflater.createView(LayoutInflater.java:606)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:790)
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:965)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:859)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:995)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:859)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at
android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:288)
at
android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
at
com.easy.sumit.lifeline.activities.MainActivity.onCreate(MainActivity.java:51)
at android.app.Activity.performCreate(Activity.java:6975)
09-12 20:19:57.939 8240-8240/com.easy.sumit.lifeline E/AndroidRuntime:
at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1213)
at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2770)
at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
////////////////////////////////////////////////activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
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/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:openDrawer="start">
<include
layout="@layout/app_bar_main"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:headerLayout="@layout/nav_header_main"
app:itemIconTint="@color/icon_color"
app:itemTextColor="@color/colorText"
app:menu="@menu/activity_main_drawer" />
</android.support.v4.widget.DrawerLayout>
//////////////////////////////////////////content_home.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.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/content_home_relative_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.easy.sumit.lifeline.activities.MainActivity"
tools:showIn="@layout/app_bar_main">
<WebView
android:id="@+id/webView"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@color/colorBackground"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>
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