0.1.9-Openforis DrawAreaTaskMapFragment App Crash

[anandwana001]

          Fatal Exception: java.lang.RuntimeException: Unable to start activity ComponentInfo{org.openforis.ground/com.google.android.ground.MainActivity}: androidx.fragment.app.Fragment$InstantiationException: Unable to instantiate fragment com.google.android.ground.ui.datacollection.tasks.polygon.DrawAreaTaskMapFragment: could not find Fragment constructor
       at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4035)
       at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4201)
       at android.app.ActivityThread.handleRelaunchActivityInner(ActivityThread.java:6347)
       at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:6212)
       at android.app.servertransaction.ActivityRelaunchItem.execute(ActivityRelaunchItem.java:71)
       at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
       at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
       at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2438)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loopOnce(Looper.java:226)
       at android.os.Looper.loop(Looper.java:313)
       at android.app.ActivityThread.main(ActivityThread.java:8663)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:567)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1135)

[gino-m]

DrawAreaTaskMapFragment doesn't have a no-arg constructor, so Android OS won't be able to deserialize it when restoring the view.

[gino-m]

Seeing a similar issue with other tasks. This is the second most frequent crash on 0.1.9, with 196 crashes in the last 7 days.

       Fatal Exception: java.lang.RuntimeException: Unable to start activity ComponentInfo{org.openforis.ground/com.google.android.ground.MainActivity}: androidx.fragment.app.Fragment$InstantiationException: Unable to instantiate fragment com.google.android.ground.ui.datacollection.tasks.location.CaptureLocationTaskMapFragment: could not find Fragment constructor
       at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4164)
       at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4322)
       at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103)
       at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:139)
       at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:96)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2685)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loopOnce(Looper.java:230)
       at android.os.Looper.loop(Looper.java:319)
       at android.app.ActivityThread.main(ActivityThread.java:8919)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:578)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1103)

All custom Fragments in the app must have a default constructor. If we need to set a ViewModel then we should do it outside the contructor.

@anandwana001 PTAL?