CODEWITHSUNDEEP
androidandroid-activitykotlin
Dakatine
Dakatine

Reputation: 2743

Android screen flickering when starting an Activity

I am starting an activity with startActivityForResult() and sending an extra to it, then closing the second activity and going back to the previous one sending data back.

and

and

This odd behavior happens.

I've tried the solutions posted here: Blinking screen on image transition between activities and here: Starting Activity on condition produces a flicker on screen with no success.

Here's the (trivial) code. Btw this (of course) happens either in Java or Kotlin (provided); and it also happens if I call startActivity() instead of startActivityForResult()

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        btn_main.setOnClickListener { launchSecondActivity() }
    }

    private fun launchSecondActivity() {
        Intent(this, SecondActivity::class.java).run {
            putExtra(EXTRA_MESSAGE, editText_main.text.toString())
            startActivityForResult(this, RETURN_MESSAGE_CODE) 
            Log.d("MainActivity", "Sending ${this.extras}")
            // clean the editText
            editText_main.setText("")
        }
    }
}

Upvotes: 2

Views: 3206

Answers (1)

underoid
underoid

Reputation: 439

When you launch the second activity keyboard is still visible and it is moving the layout up until it closes. Try following in your activity manifest

<activity android:windowSoftInputMode="adjustResize"> </activity>

adjustResize will not move toolbar up but resize the window height so hopefully screen won't flicker. If it does't help launch the activity with a delay to let keyboard close completely.

Upvotes: 1

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