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with(binding) {
    rgChoices.setOnCheckedChangeListener { _, index ->
        Toast.makeText(
            this@MainActivity,
            "Checked index $index",
            Toast.LENGTH_SHORT
        ).show()
        
        when (index) {
            R.id.rb_choice1 -> {

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<RadioGroup
    android:id="@+id/rg_choices"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="24dp"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintTop_toBottomOf="@id/textView">
    <RadioButton
        android:id="@+id/rb_choice1"

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// rgChoices - RadioGroup's id

binding.rgChoices.clearCheck()

binding.rgChoices.check(-1) // -1 to clear the selection 

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val clipboardManager = context.getSystemService(CLIPBOARD_SERVICE) as ClipboardManager
// When setting the clip board text.
val clipData = ClipData.newPlainText(/* label = */ "Sample copy data",/* text = */ context.getString(R.string.clip_preview))
    .apply {
        description.extras = PersistableBundle().apply {
            // only available for Android13 or higher
            putBoolean(ClipDescription.EXTRA_IS_SENSITIVE, true)
            // use raw string for older versions
            // android.content.extra.IS_SENSITIVE 
        }

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<queries>
  <intent>
    <action android:name="android.media.action.IMAGE_CAPTURE" />
  </intent>
</queries>

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private fun launchCameraIntent() {
    val takePhotoIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
    // Ensure that there's a camera activity to handle the intent
    // Android11 or higher needs the <query> tag to be added in the Android Manifest file.
    // It depend on the device, if by-default camera package is visible or not
    takePhotoIntent.resolveActivity(packageManager)?.also {
        // Create the File where the photo should go
        val photoFile: File? = try {
              createImageFile()
        } catch (ex: IOException) {

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adb shell dumpsys package queries

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// create ActivityResultContract
val getContent =
            registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
                result?.let { nonNullableResult ->
                    when (nonNullableResult.resultCode == RESULT_OK) {
                        true -> {
                            val intent = nonNullableResult.data
                            intent?.data?.let { uri ->
                                // process data
                            }

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@Composable
    fun PhotoPickerResultComposable() {
        var result by rememberSaveable { mutableStateOf<Uri?>(null) }
        val launcher =
            rememberLauncherForActivityResult(ActivityResultContracts.StartActivityForResult()) {
                result = it.data?.data
            }
        Column(
            verticalArrangement = Arrangement.Center,
            horizontalAlignment = Alignment.CenterHorizontally

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Intent(MediaStore.ACTION_PICK_IMAGES).apply {
    type = "image/*"
    // only videos
    type = "video/*"
}