Здраствуйте в чем может быть проблема ,?
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.myapplication, PID: 25814
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.myapplication/com.example.myapplication.tabbar}: android.view.InflateException: Binary XML file line #2 in com.example.myapplication:layout/activity_tabbar: Binary XML file line #2 in com.example.myapplication:layout/activity_tabbar: Error inflating class android.support.design.widget.CoordinatorLayout
at android.app.ActivityThread.performLaunchActivity(
ActivityThread.java:3488)
at android.app.ActivityThread.handleLaunchActivity(
ActivityThread.java:3635)
at android.app.servertransaction.LaunchActivityItem.execute(
LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(
TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(
TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(
ActivityThread.java:2175)
at android.os.Handler.dispatchMessage(
Handler.java:107)
at android.os.Looper.loop(
Looper.java:237)
at android.app.ActivityThread.main(
ActivityThread.java:7860)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$
MethodAndArgsCaller.run(
RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(
ZygoteInit.java:1075)
Caused by: android.view.InflateException: Binary XML file line #2 in com.example.myapplication:layout/activity_tabbar: Binary XML file line #2 in com.example.myapplication:layout/activity_tabbar: Error inflating class android.support.design.widget.CoordinatorLayout
Caused by: android.view.InflateException: Binary XML file line #2 in com.example.myapplication:layout/activity_tabbar: Error inflating class android.support.design.widget.CoordinatorLayout
Caused by: java.lang.ClassNotFoundException: android.support.design.widget.CoordinatorLayout
at java.lang.Class.classForName(Native Method)
at java.lang.Class.forName(
Class.java:454)
at android.view.LayoutInflater.createView(
LayoutInflater.java:815)
at android.view.LayoutInflater.createViewFromTag(
LayoutInflater.java:1006)
at android.view.LayoutInflater.createViewFromTag(
LayoutInflater.java:961)
at android.view.LayoutInflater.inflate(
LayoutInflater.java:659)
at android.view.LayoutInflater.inflate(
LayoutInflater.java:534)
at android.view.LayoutInflater.inflate(
LayoutInflater.java:481)
at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(
AppCompatDelegateImpl.java:555)
at androidx.appcompat.app.AppCompatActivity.setContentView(
AppCompatActivity.java:161)
at com.example.myapplication.tabbar.onCreate(
tabbar.java:35)
at android.app.Activity.performCreate(
Activity.java:7955)
at android.app.Activity.performCreate(
Activity.java:7944)
at android.app.Instrumentation.callActivityOnCreate(
Instrumentation.java:1307)
at android.app.ActivityThread.performLaunchActivity(
ActivityThread.java:3463)
at android.app.ActivityThread.handleLaunchActivity(
ActivityThread.java:3635)