Start Activity For Result Kotlin

Here is an example of starting an activity for a result. This article describes different solutions to start Activities because we dont have static methods in Kotlin to build our loved newInstance or newIntent methods.

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Create a new layout file and add the below code.

Start activity for result kotlin. Create a new project Build Your First Android App in Kotlin. Add following code in activity_mainxml. Once the destination activity has finish with its job it returns to its caller activity.

Receive the activity result directly after the startActivityForResult with InlineActivityResult choose your way. It was one of the first fundamentals that any Android developer has learned. Platform Android Studio Google Play Jetpack Kotlin Docs Games Language English Bahasa Indonesia Español América Latina Português Brasil 中文 简体 日本語 한국어 Sign in.

StartActivityForResult is used when you want to start a new activity and get some result back from that new activity. In such case we need to override the onActivityResult method that is invoked automatically when second activity returns result. Calling launch starts the process of producing the result.

StartActivityForResult Deprecated Android Kotlin Example StartActivityForResult Introduction. When the user is done with the subsequent activity and returns the onActivityResult from the ActivityResultCallback is then executed as shown in the following example. The result will be received only after the new activity finished its activity.

Alternative way to use startActivityForResult. It could send the result back using setResult by sending in the resultCode and intent Several notes here. Open the MainActivitykt and add the following code.

AppCompatActivity companion object private const val REQUEST_RESULT 1 override fun onActivityResultrequestCode. Intent superonActivityResult requestCode resultCode data if requestCode REQUEST_RESULT if resultCode ActivityRESULT_OK data null success dataapply. Call ResultActivity to return result.

For example the main activity starts the second activity by using the method startActivtyForResult the second activity started then sends back the result to the main activity the main activity gets the result from the. Android has been on the edge of evolution for a while recently with updates to androidxactivityactivity-ktx to 120It has deprecated startActivityForResult in favour of registerForActivityResult. Create a new Activity and.

No need to override Activity or FragmentonActivityResultcode permissions resultusing this library you just have to execute InlineActivityResults methods This will not cut your code flow. Val previewRequest registerForActivityResultActivityResultContractsStartActivityForResult if itresultCode RESULT_OK val list itdata do whatever with the data in the callback. The android startActivityForResult method requires a result from the second activity activity to be invoked.

This is two extension for registering a callback for an Activity Result. As developerandroid pointed out this extension can handle callback for activity result withwithout request code.

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