[BUG] AppNotFoundException throw from onCreate() of PaymentUiActivity, So can't catch it.

[hardikp888]

Library is throwing the exception from onCreate() of PaymentUiActivity. So as a consumer, we can to catch it.

Prerequisite
Device is not having any UPI application.

How to Reproduce:

• Download the demo application

• Fill the details and select the UPI as Default.
• Click on PAY WITH UPI
• Application will crash because there is no UPI application found and exception is been throw from onCreate() method.

Logs

Caused by: dev.shreyaspatil.easyupipayment.exception.AppNotFoundException: No UPI app exists on this device to perform this transaction.
        at dev.shreyaspatil.easyupipayment.ui.PaymentUiActivity.throwOnAppNotFound$EasyUpiPayment_release(PaymentUiActivity.kt:128)
        at dev.shreyaspatil.easyupipayment.ui.PaymentUiActivity.onCreate(PaymentUiActivity.kt:62)
        at android.app.Activity.performCreate(Activity.java:6674)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1140)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2690)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2806) 
        at android.app.ActivityThread.-wrap12(ActivityThread.java) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1540) 
        at android.os.Handler.dispatchMessage(Handler.java:110) 
        at android.os.Looper.loop(Looper.java:203) 
        at android.app.ActivityThread.main(ActivityThread.java:6293) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1065) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:926) 

Solution Suggestion
Do not throw an exception. Add new callback method inside PaymentStatusListener onAppNotFound().

[sharmaAshish-dev]

for solution please refer to https://github.com/PatilShreyas/EasyUpiPayment-Android/issues/149#issuecomment-1046600257