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May 24, 2025 10:38
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Android Ringtone picker contract with edge cases
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import android.app.Activity | |
import android.content.Context | |
import android.content.Intent | |
import android.media.RingtoneManager | |
import android.net.Uri | |
import androidx.activity.compose.rememberLauncherForActivityResult | |
import androidx.activity.result.contract.ActivityResultContract | |
import androidx.compose.runtime.Composable | |
import androidx.compose.runtime.getValue | |
import androidx.compose.runtime.remember | |
import androidx.compose.runtime.rememberUpdatedState | |
import androidx.core.net.toUri | |
import pro.respawn.apiresult.fold | |
import pro.respawn.apiresult.runResulting | |
import pro.respawn.kmmutils.system.android.PickRingtoneContract.RingtoneOptions | |
import pro.respawn.kmmutils.system.android.parcelable | |
import androidx.compose.runtime.Composable | |
import androidx.compose.runtime.Immutable | |
import androidx.compose.runtime.Stable | |
import pro.respawn.apiresult.ApiResult | |
@Composable | |
fun rememberRingtonePicker(onComplete: (RingtoneResult) -> Unit): RingtonePicker { | |
val block by rememberUpdatedState(onComplete) | |
val ringtoneLauncher = rememberLauncherForActivityResult(PickRingtoneContract()) { it.let(block) } | |
return remember(ringtoneLauncher) { | |
RingtonePicker { | |
ApiResult { | |
ringtoneLauncher.launch( | |
RingtoneOptions( | |
ringtoneType = it.ringtoneType.asAndroidType, | |
showDefault = it.showDefault, | |
allowSilent = it.allowSilent, | |
defaultUri = it.preselectedRingtoneUri?.toUri(), | |
) | |
) | |
} | |
} | |
} | |
} | |
private val RingtoneType.asAndroidType: Int | |
get() = when (this) { | |
RingtoneType.Alarm -> RingtoneManager.TYPE_ALARM | |
RingtoneType.Call -> RingtoneManager.TYPE_RINGTONE | |
RingtoneType.Notification -> RingtoneManager.TYPE_NOTIFICATION | |
RingtoneType.Any -> RingtoneManager.TYPE_ALL | |
} | |
private class PickRingtoneContract : ActivityResultContract<RingtoneOptions, RingtoneResult>() { | |
override fun createIntent(context: Context, input: RingtoneOptions): Intent = | |
Intent(RingtoneManager.ACTION_RINGTONE_PICKER).apply { | |
putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_DEFAULT, input.showDefault) | |
putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_SILENT, input.allowSilent) | |
putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, input.ringtoneType) | |
input.title?.let { putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE, it) } | |
input.defaultUri?.let { putExtra(RingtoneManager.EXTRA_RINGTONE_DEFAULT_URI, it) } | |
input.existingUri?.let { putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, it) } | |
} | |
override fun getSynchronousResult(context: Context, input: RingtoneOptions) = null | |
override fun parseResult(resultCode: Int, intent: Intent?): RingtoneResult { | |
if (resultCode == Activity.RESULT_CANCELED) return RingtoneResult.Canceled | |
if (intent == null) return RingtoneResult.Error(IllegalArgumentException("ringtone picker intent is null") | |
return intent.runResulting { | |
parcelable<Uri>(RingtoneManager.EXTRA_RINGTONE_PICKED_URI) | |
?: data | |
?: return@runResulting RingtoneResult.Canceled | |
}.fold( | |
onSuccess = { RingtoneResult.Success(it.toString()) }, | |
onError = RingtoneResult::Error | |
) | |
} | |
} | |
enum class RingtoneType { | |
Alarm, Call, Notification, Any | |
} | |
@Immutable | |
data class RingtoneOptions( | |
val ringtoneType: RingtoneType, | |
val preselectedRingtoneUri: String? = null, | |
val showDefault: Boolean = true, | |
val allowSilent: Boolean = false, | |
) | |
@Stable | |
fun interface RingtonePicker { | |
suspend fun launch(options: RingtoneOptions): ApiResult<Unit> | |
} | |
sealed interface RingtoneResult { | |
data class Success(val uri: String) : RingtoneResult | |
data object Canceled : RingtoneResult | |
data class Error(val e: Exception) : RingtoneResult | |
} |
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