Java Question Custom View RuntimeException

**************************** BaseApplication **************************
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
main$ResumableSub_Activity_Createresume (java line: 383)
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
    at anywheresoftware.b4a.keywords.LayoutBuilder.loadLayout(LayoutBuilder.java:170)
    at anywheresoftware.b4a.objects.ActivityWrapper.LoadLayout(ActivityWrapper.java:209)
    at b4a.dji.test1.main$ResumableSub_Activity_Create.resume(main.java:383)
    at b4a.dji.test1.main._activity_create(main.java:358)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.BA.raiseEvent2(BA.java:186)
    at b4a.dji.test1.main.afterFirstLayout(main.java:104)
    at b4a.dji.test1.main.access$000(main.java:17)
    at b4a.dji.test1.main$WaitForLayout.run(main.java:82)
    at android.os.Handler.handleCallback(Handler.java:751)
    at android.os.Handler.dispatchMessage(Handler.java:95)
    at android.os.Looper.loop(Looper.java:154)
    at android.app.ActivityThread.main(ActivityThread.java:6120)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Caused by: java.lang.reflect.InvocationTargetException
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.objects.CustomViewWrapper.AfterDesignerScript(CustomViewWrapper.java:64)
    at anywheresoftware.b4a.keywords.LayoutBuilder.loadLayout(LayoutBuilder.java:162)
    ... 15 more
Caused by: android.view.InflateException: Binary XML file line #5: Binary XML file line #5: Error inflating class dji.ui.internal.RecyclerListView
Caused by: android.view.InflateException: Binary XML file line #5: Error inflating class dji.ui.internal.RecyclerListView
Caused by: java.lang.ClassNotFoundException: dji.ui.internal.RecyclerListView
    at java.lang.VMClassLoader.findLoadedClass(Native Method)
    at java.lang.ClassLoader.findLoadedClass(ClassLoader.java:742)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:362)
    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.createViewFromTag(LayoutInflater.java:727)
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:858)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:426)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:377)
    at dji.ui.base.o.initView(Unknown Source)
    at dji.ui.panel.PreFlightCheckListPanel.initView(Unknown Source)
    at dji.ui.base.p.<init>(Unknown Source)
    at dji.ui.base.o.<init>(Unknown Source)
    at dji.ui.panel.PreFlightCheckListPanel.<init>(Unknown Source)
    at dji.ui.panel.PreFlightCheckListPanel.<init>(Unknown Source)
    at anywheresoftware.b4a.objects.DJIPreFlightCheckListPanelWrapper._initialize(DJIPreFlightCheckListPanelWrapper.java:41)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.objects.CustomViewWrapper.AfterDesignerScript(CustomViewWrapper.java:64)
    at anywheresoftware.b4a.keywords.LayoutBuilder.loadLayout(LayoutBuilder.java:162)
    at anywheresoftware.b4a.objects.ActivityWrapper.LoadLayout(ActivityWrapper.java:209)
    at b4a.dji.test1.main$ResumableSub_Activity_Create.resume(main.java:383)
    at b4a.dji.test1.main._activity_create(main.java:358)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.BA.raiseEvent2(BA.java:186)
    at b4a.dji.test1.main.afterFirstLayout(main.java:104)
    at b4a.dji.test1.main.access$000(main.java:17)
    at b4a.dji.test1.main$WaitForLayout.run(main.java:82)
    at android.os.Handler.handleCallback(Handler.java:751)
    at android.os.Handler.dispatchMessage(Handler.java:95)
    at android.os.Looper.loop(Looper.java:154)
    at android.app.ActivityThread.main(ActivityThread.java:6120)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/suppo
Message longer than Log limit (4000). Message was truncated.
(RuntimeException) java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
** Activity (main) Resume **

package anywheresoftware.b4a.objects;

import anywheresoftware.b4a.BA;
import anywheresoftware.b4a.BA.Hide;
import anywheresoftware.b4a.BA.ShortName;
import anywheresoftware.b4a.keywords.Common.DesignerCustomView;
import anywheresoftware.b4a.objects.CustomViewWrapper;
import anywheresoftware.b4a.objects.LabelWrapper;
import anywheresoftware.b4a.objects.PanelWrapper;
import anywheresoftware.b4a.objects.ViewWrapper;
import anywheresoftware.b4a.objects.collections.Map;
import dji.keysdk.DJIKey;
import dji.ui.panel.PreFlightCheckListPanel;

@ShortName("DJIPreFlightCheckListPanel")
//@Permissions(values={"android.permission.INTERNET", "android.permission.ACCESS_NETWORK_STATE"})
//@Events(values={"onSigned(sign As Object)"})
//@DependsOn(values={"android-viewbadger"})
public class DJIPreFlightCheckListPanelWrapper extends ViewWrapper<PreFlightCheckListPanel>  implements DesignerCustomView {
    private BA ba;
    private String eventName;
  
    /*
     * Initialize the HTML-TextView
     */     
    public void Initialize(BA ba, String EventName) {
        _initialize(ba, null, EventName);
    }

    @Override
    public void DesignerCreateView(PanelWrapper base, LabelWrapper lw, Map props) {
        //getObject().setChecked((Boolean)props.Get("Checked"));
        CustomViewWrapper.replaceBaseWithView(base, getObject());
    }

  
    @Hide
    @Override
    public void _initialize(BA ba, Object activityClass, String EventName) {
        this.eventName = EventName.toLowerCase(BA.cul);
        this.ba = ba;
        this.setObject(new PreFlightCheckListPanel(ba.activity, null));
//        getObject().initKey(); //yo
     }