ScrollView can host only one direct child in android studio

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When you run your project sometimes you get ‘Scrollview can host only one direct child’ error like this in android studio logcat.
So today we are going to solve this type of logcat error in android studio.

What exactly error occurs in logcat while running the app?
While running app on android studio app crashes and error as below logcat.

ScrollView can host only one direct child

        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
     Caused by: android.view.InflateException: Binary XML file line #31 in com.example.myapplication:layout/activity_binary_convert: ScrollView can host only one direct child
     Caused by: java.lang.IllegalStateException: ScrollView can host only one direct child
        at android.widget.ScrollView.addView(ScrollView.java:379)
        at android.view.LayoutInflater.rInflate(LayoutInflater.java:1125)
        at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1082)
        at android.view.LayoutInflater.rInflate(LayoutInflater.java:1124)
        at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1082)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:680)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:532)
      at android.view.LayoutInflater.inflate(LayoutInflater.java:479)
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:706)
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:195)
        at com.example.myapplication.BinaryConvert.onCreate(BinaryConvert.java:12)
        at android.app.Activity.performCreate(Activity.java:8000)
        at android.app.Activity.performCreate(Activity.java:7984)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3422)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:223)
        at android.app.ActivityThread.main(ActivityThread.java:7656)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)

How to solve ‘ScrollView can host only one direct child’ logcat error in Android Studio.
This error is caused by undefined scroll view in XML file. Just change scrollview. Mostly this error occurs when you add scrollview at any place.
The solution is to change the scrollview direction or add proper orientation and width or height. Because here error is ‘ ScrollView can host only one direct child’.

‘host only one direct child’. Manage all layout properly as well under the scrollview.

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