Add voice search

app/src/main/java/org/koitharu/kotatsu/utils/VoiceInputContract.kt

@@ -0,0 +1,26 @@
+package org.koitharu.kotatsu.utils
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.speech.RecognizerIntent
+import androidx.activity.result.contract.ActivityResultContract
+
+class VoiceInputContract : ActivityResultContract<String?, String?>() {
+
+	override fun createIntent(context: Context, input: String?): Intent {
+		val intent = Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH)
+		intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM)
+		intent.putExtra(RecognizerIntent.EXTRA_PROMPT, input)
+		return intent
+	}
+
+	override fun parseResult(resultCode: Int, intent: Intent?): String? {
+		return if (resultCode == Activity.RESULT_OK && intent != null) {
+			val matches = intent.getStringArrayExtra(RecognizerIntent.EXTRA_RESULTS)
+			matches?.firstOrNull()
+		} else {
+			null
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/utils/ext/AndroidExt.kt

@@ -1,14 +1,17 @@
 package org.koitharu.kotatsu.utils.ext
 
 import android.content.Context
+import android.content.pm.ResolveInfo
 import android.net.ConnectivityManager
 import android.net.Network
 import android.net.NetworkRequest
 import android.net.Uri
 import android.os.Build
+import androidx.activity.result.ActivityResultLauncher
+import androidx.core.app.ActivityOptionsCompat
 import androidx.work.CoroutineWorker
-import kotlin.coroutines.resume
 import kotlinx.coroutines.suspendCancellableCoroutine
+import kotlin.coroutines.resume
 
 val Context.connectivityManager: ConnectivityManager
 	get() = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
@@ -40,4 +43,16 @@ fun String.toUriOrNull() = if (isEmpty()) null else Uri.parse(this)
 suspend fun CoroutineWorker.trySetForeground(): Boolean = runCatching {
 	val info = getForegroundInfo()
 	setForeground(info)
-}.isSuccess
+}.isSuccess
+
+fun <I> ActivityResultLauncher<I>.resolve(context: Context, input: I): ResolveInfo? {
+	val pm = context.packageManager
+	val intent = contract.createIntent(context, input)
+	return pm.resolveActivity(intent, 0)
+}
+
+fun <I> ActivityResultLauncher<I>.tryLaunch(input: I, options: ActivityOptionsCompat? = null): Boolean {
+	return runCatching {
+		launch(input, options)
+	}.isSuccess
+}