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Code Issues Packages Projects Releases Wiki Activity

Change the way onBackPressedCallback is handled

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This commit is contained in:
PabloG02
2023-05-19 17:29:19 +02:00
committed by Niccolò Betto
parent e4f9fd6203
commit 50c7ccff9b
1 changed files with 21 additions and 11 deletions
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32
app/src/main/java/emu/skyline/MainActivity.kt
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@ -11,6 +11,7 @@ import android.net.Uri
import android.os.Bundle import android.os.Bundle
import android.provider.DocumentsContract import android.provider.DocumentsContract
import android.view.View import android.view.View
import android.view.inputmethod.InputMethodManager
import androidx.activity.OnBackPressedCallback import androidx.activity.OnBackPressedCallback
import androidx.activity.result.contract.ActivityResultContracts import androidx.activity.result.contract.ActivityResultContracts
import androidx.activity.viewModels import androidx.activity.viewModels
@ -276,21 +277,30 @@ class MainActivity : AppCompatActivity() {
adapter.setItems(items) adapter.setItems(items)
} }
private val onBackPressedCallback = object : OnBackPressedCallback(true) {
override fun handleOnBackPressed() {
binding.searchBar.apply {
val inputMethodManager = context.getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
if (!inputMethodManager.hideSoftInputFromWindow(windowToken, 0)) {
text = ""
clearFocus()
}
}
isEnabled = binding.searchBar.hasFocus() || binding.searchBar.text.isNotEmpty()
}
}
override fun onStart() { override fun onStart() {
super.onStart() super.onStart()
onBackPressedDispatcher.addCallback(object : OnBackPressedCallback(true) { binding.searchBar.addTextChangedListener { text ->
override fun handleOnBackPressed() { if (!onBackPressedCallback.isEnabled && !text.isNullOrEmpty()) {
binding.searchBar.apply { onBackPressedCallback.isEnabled = true
if (hasFocus() && text.isNotEmpty()) {
text = ""
clearFocus()
} else {
finish()
}
}
} }
}) }
onBackPressedDispatcher.addCallback(this, onBackPressedCallback)
onBackPressedCallback.isEnabled = binding.searchBar.hasFocus() || binding.searchBar.text.isNotEmpty()
} }
override fun onResume() { override fun onResume() {