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Tag: kotlin

Type Mismatch, Required: Context, Found: unit

I’m trying to setup a simple database and part of my code is throwing off this error, which im not really sure of how to fix, the line in particular is the following: Which yields: Type Mismatch, Required: Context, Found: unit! What should I do to fix this? Whole code: Answer As per your error, the method needs context and

BigQuery TableResult casting options

How can I cast the TableResult to the following format List<Map<String, Any>> Map contains the columns and its value respectively. Multiple rows are added to the list. I tried something like this, but it throws an error -> com.google.cloud.bigquery.TableResult cannot be cast to java.util.List How can we replicate something similar to jdbc template. For example with jdbc template we can

Kotlin single equal sign “=” object assignment time complexity

What is the time complexity of object assignment using the equals sign in Kotlin (or Java)? More specifically if I have my own object ListNode What would be the copy time below? I find myself often doing this assignment since ListNode passes as val, and I can’t do Answer The assignment does not make a new ListNode object that contains

android:exported needs to be explicitly specified for . Apps targeting Android 12 and higher are required to specify

After upgrading to android 12, the application is not compiling. It shows “Manifest merger failed with multiple errors, see logs” Error showing in Merged manifest: Merging Errors: Error: android:exported needs to be explicitly specified for . Apps targeting Android 12 and higher are required to specify an explicit value for android:exported when the corresponding component has an intent filter defined.

BottomNavigation, FragmentManager has not been attached to a host

I have moved BottomNavigation codes from MainActivity to A class I have created for the BottomNaviction to make the code more organizing. When I moved the codes I got this error java.lang.RuntimeException: Unable to start activity ComponentInfo{com.moataz.mox/com.moataz.mox.ui.view.activity.MainActivity}: java.lang.IllegalStateException: FragmentManager has not been attached to a host. Short error message FragmentManager has not been attached to a host. And The error

Kotlin to Java migration

I am unable to translate(from Kotlin to Java) or understand this statement service.connectionListener = { addConnection(it) } which is found in the inner class of the following file: I was unable to translate the above statement (commented out): Answer This code in Kotlin: Corresponds to this code in Java: It is assumed that Service class is written in Kotlin and

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