Add menu item to share scanned contents as a file

Because when sharing plain text via Bluetooth, Android explicitly
converts anything to HTML, which is not always what we want.

Details here:
https://stackoverflow.com/q/29907030

This feature is also useful to share binary contents more easily.

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/Share.kt

@@ -10,6 +10,8 @@ import de.markusfisch.android.binaryeye.BuildConfig
 import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.widget.toast
 import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
 
 fun Context.execShareIntent(intent: Intent): Boolean = if (
 	!startIntent(intent)
@@ -59,6 +61,39 @@ fun Context.shareText(text: String, mimeType: String = "text/plain") {
 	})
 }
 
+private const val SHARE_AS_TEXT_FILE_NAME = "barcode_content"
+fun Context.wipeShareFile() {
+	File(externalCacheDir, SHARE_AS_TEXT_FILE_NAME).delete()
+}
+
+fun <T> Context.shareAsFile(content: T) {
+	val (bytes, mimeType) = when (content) {
+		is ByteArray -> Pair(
+			content,
+			"text/plain"
+		)
+
+		is String -> Pair(
+			content.toByteArray(),
+			"application/octet-stream"
+		)
+
+		else -> throw IllegalArgumentException(
+			"Unsupported content text for shareAsFile()"
+		)
+	}
+	val file = File(externalCacheDir, SHARE_AS_TEXT_FILE_NAME)
+	try {
+		FileOutputStream(file).use {
+			it.write(bytes)
+		}
+	} catch (e: IOException) {
+		toast(R.string.error_saving_file)
+		return
+	}
+	shareFile(file, mimeType)
+}
+
 fun Context.shareFile(file: File, mimeType: String) {
 	getUriForFile(file)?.let {
 		shareUri(it, mimeType)

app/src/main/kotlin/de/markusfisch/android/binaryeye/fragment/DecodeFragment.kt

@@ -19,8 +19,10 @@ import de.markusfisch.android.binaryeye.activity.MainActivity
 import de.markusfisch.android.binaryeye.adapter.prettifyFormatName
 import de.markusfisch.android.binaryeye.app.*
 import de.markusfisch.android.binaryeye.content.copyToClipboard
+import de.markusfisch.android.binaryeye.content.shareAsFile
 import de.markusfisch.android.binaryeye.content.shareText
 import de.markusfisch.android.binaryeye.content.toHexString
+import de.markusfisch.android.binaryeye.content.wipeShareFile
 import de.markusfisch.android.binaryeye.database.Recreation
 import de.markusfisch.android.binaryeye.database.Scan
 import de.markusfisch.android.binaryeye.database.toRecreation
@@ -124,6 +126,7 @@ class DecodeFragment : Fragment() {
 	override fun onDestroy() {
 		super.onDestroy()
 		parentJob.cancel()
+		activity?.wipeShareFile()
 	}
 
 	private fun initContentAndFab(originalContent: String) {
@@ -330,6 +333,14 @@ class DecodeFragment : Fragment() {
 				true
 			}
 
+			R.id.share_file -> {
+				context?.apply {
+					shareAsFile(if (isBinary) originalBytes else content)
+					maybeBackOrFinish()
+				}
+				true
+			}
+
 			R.id.create -> {
 				fragmentManager?.addFragment(
 					EncodeFragment.newInstance(

app/src/main/res/menu/fragment_decode.xml

@@ -23,6 +23,11 @@
 		android:title="@string/share"
 		android:icon="@drawable/ic_action_share"
 		material:showAsAction="ifRoom"/>
+	<item
+		android:id="@+id/share_file"
+		android:title="@string/share_file"
+		android:icon="@drawable/ic_action_share"
+		material:showAsAction="ifRoom"/>
 	<item
 		android:id="@+id/create"
 		android:title="@string/compose_barcode"

app/src/main/res/values-bg/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">Превключване на светкавицата</string>
 	<string name="error_flash">Грешка при превключването на светкавицата</string>
 	<string name="share">Сподели</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Сподели като?</string>
 	<string name="copy_to_clipboard">Копиране в клипборда</string>
 	<string name="copied_to_clipboard">Копирано в клипборда</string>

app/src/main/res/values-bn/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">আলো</string>
 	<string name="error_flash">Error toggling flash</string>
 	<string name="share">ভাগ করো</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">ভাগ করার মাধ্যম</string>
 	<string name="copy_to_clipboard">ক্লিপবোর্ডে অনুলিপি</string>
 	<string name="copied_to_clipboard">ক্লিপবোর্ডে অনুলিপিত</string>

app/src/main/res/values-cs/strings.xml

@@ -33,6 +33,7 @@
 	<string name="toggle_flash">Přepnout blesk</string>
 	<string name="error_flash">Zapnutí/vypnutí blesku selhalo</string>
 	<string name="share">Sdílet</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Sdílet jako</string>
 	<string name="copy_to_clipboard">Zkopírovat do schránky</string>
 	<string name="copied_to_clipboard">Zkopírováno do schránky</string>

app/src/main/res/values-da/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">Slå blitz til/fra</string>
 	<string name="error_flash">Der opstod en fejl ved at slå blitz til/fra</string>
 	<string name="share">Del</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Del som?</string>
 	<string name="copy_to_clipboard">Kopier til udklipsholder</string>
 	<string name="copied_to_clipboard">Kopieret til udklipsholder</string>

app/src/main/res/values-de/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">Licht an/ausschalten</string>
 	<string name="error_flash">Fehler beim ein/ausschalten des Lichts</string>
 	<string name="share">Teilen</string>
+	<string name="share_file">Als Datei teilen</string>
 	<string name="share_as">Teilen als?</string>
 	<string name="copy_to_clipboard">In die Zwischenablage kopieren</string>
 	<string name="copied_to_clipboard">Inhalt wurde in die Zwischenablage kopiert</string>

app/src/main/res/values-es/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">Activar el flash</string>
 	<string name="error_flash">Error toggling flash</string>
 	<string name="share">Compartir</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">¿Compartir como?</string>
 	<string name="copy_to_clipboard">Copiar al portapapeles</string>
 	<string name="copied_to_clipboard">Copiado al portapapeles</string>

app/src/main/res/values-fa/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">روشن/خاموش کردن چراغ</string>
 	<string name="error_flash">خطا هنگام روشن/خاموش کردن چراغ</string>
 	<string name="share">هم‌رسانی</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">هم‌رسانی به عنوان؟</string>
 	<string name="copy_to_clipboard">رونوشت به تخه‌گیره</string>
 	<string name="copied_to_clipboard">به تخته‌گیره رونوشت شد</string>

app/src/main/res/values-fr/strings.xml

@@ -32,6 +32,7 @@
 	<string name="toggle_flash">Activer le flash</string>
 	<string name="error_flash">Erreur de basculement du flash</string>
 	<string name="share">Partager</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Partager comme ?</string>
 	<string name="copy_to_clipboard">Copier dans le presse-papiers</string>
 	<string name="copied_to_clipboard">Copié dans le presse-papiers</string>

app/src/main/res/values-hu/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">Vaku be- vagy kikapcsolása</string>
 	<string name="error_flash">Hiba a vaku be- vagy kikapcsolásakor</string>
 	<string name="share">Megosztás</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Megosztja másként?</string>
 	<string name="copy_to_clipboard">Másolás a vágólapra</string>
 	<string name="copied_to_clipboard">Vágólapra helyezés</string>

app/src/main/res/values-in/strings.xml

@@ -30,6 +30,7 @@
 	<string name="toggle_flash">Nyala/matikan blitz</string>
 	<string name="error_flash">Galat nyala/matikan blitz</string>
 	<string name="share">Bagikan</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Bagikan sebagai?</string>
 	<string name="copy_to_clipboard">Salin ke clipboard</string>
 	<string name="copied_to_clipboard">Disalin ke clipboard</string>

app/src/main/res/values-it/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">Attiva/disattiva flash</string>
 	<string name="error_flash">Errore durante l\'attivazione/disattivazione del flash</string>
 	<string name="share">Condividi</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Condividi come?</string>
 	<string name="copy_to_clipboard">Copia negli Appunti</string>
 	<string name="copied_to_clipboard">Copiato negli Appunti</string>

app/src/main/res/values-ja/strings.xml

@@ -30,6 +30,7 @@
 	<string name="toggle_flash">フラッシュの切り替え</string>
 	<string name="error_flash">フラッシュの切り替えエラー</string>
 	<string name="share">共有</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">画像形式を選択</string>
 	<string name="copy_to_clipboard">クリップボードにコピー</string>
 	<string name="copied_to_clipboard">クリップボードにコピーされました</string>

app/src/main/res/values-ka/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">განათების ჩართვა</string>
 	<string name="error_flash">Error toggling flash</string>
 	<string name="share">გაზიარება</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Share as?</string>
 	<string name="copy_to_clipboard">გაცვლის ბუფერში კოპირება</string>
 	<string name="copied_to_clipboard">კოპირებულია გაცვლის ბუფერში</string>

app/src/main/res/values-ko/strings.xml

@@ -30,6 +30,7 @@
 	<string name="toggle_flash">Toggle flash</string>
 	<string name="error_flash">Error toggling flash</string>
 	<string name="share">Share</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Share as?</string>
 	<string name="copy_to_clipboard">Copy to clipboard</string>
 	<string name="copied_to_clipboard">Copied to clipboard</string>

app/src/main/res/values-nl/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">Zaklamp aan/uit</string>
 	<string name="error_flash">Error toggling flash</string>
 	<string name="share">Delen</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Delen als?</string>
 	<string name="copy_to_clipboard">Naar klembord kopiëren</string>
 	<string name="copied_to_clipboard">Naar klembord gekopieerd</string>

app/src/main/res/values-pl/strings.xml

@@ -8,6 +8,7 @@
 	<string name="vevent_add">Dodaj do kalendarza</string>
 	<string name="shortcut_preferences">Ustawienia</string>
 	<string name="share">Udostępnij</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Udostępnij jako?</string>
 	<string name="error_saving_file">Nie można zapisać pliku</string>
 	<string name="clear_history">Wyczyść historię</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">Ligar lanterna</string>
 	<string name="error_flash">Falha ao ligar a lanterna</string>
 	<string name="share">Compartilhe</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Compartilhar em qual formato?</string>
 	<string name="copy_to_clipboard">Copiar ao clipboard</string>
 	<string name="copied_to_clipboard">Copiado ao clipboard</string>

app/src/main/res/values-ru-rRU/strings.xml

@@ -33,6 +33,7 @@
 	<string name="toggle_flash">Включить вспышку</string>
 	<string name="error_flash">Ошибка при переключении вспышки</string>
 	<string name="share">Поделиться</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Поделиться как?</string>
 	<string name="copy_to_clipboard">Скопировать в буфер обмена</string>
 	<string name="copied_to_clipboard">Скопировано в буфер обмена</string>

app/src/main/res/values-tr/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">Flaşı aç</string>
 	<string name="error_flash">Flaş açılırken hata oluştu</string>
 	<string name="share">Paylaş</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Şöyle paylaş:</string>
 	<string name="copy_to_clipboard">Panoya kopyala</string>
 	<string name="copied_to_clipboard">Panoya kopyalandı</string>

app/src/main/res/values-uk/strings.xml

@@ -32,6 +32,7 @@
 	<string name="toggle_flash">Увімкнути спалах</string>
 	<string name="error_flash">Помилка під час увімкнення спалаху</string>
 	<string name="share">Поділитися</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Поділитися як?</string>
 	<string name="copy_to_clipboard">Копіювати у буфер обміну</string>
 	<string name="copied_to_clipboard">Скопійовано у буфер обміну</string>

app/src/main/res/values-vi/strings.xml

@@ -30,6 +30,7 @@
 	<string name="toggle_flash">Bật/tắt đèn</string>
 	<string name="error_flash">Error toggling flash</string>
 	<string name="share">Chia sẻ</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Chia sẻ dưới định dạng?</string>
 	<string name="copy_to_clipboard">Sao chép</string>
 	<string name="copied_to_clipboard">Đã sao chép</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -30,6 +30,7 @@
 	<string name="toggle_flash">开关闪光灯</string>
 	<string name="error_flash">开关闪光灯出错</string>
 	<string name="share">分享</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">以何种方式分享？</string>
 	<string name="copy_to_clipboard">复制到剪贴板</string>
 	<string name="copied_to_clipboard">已复制到剪贴板</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -30,6 +30,7 @@
 	<string name="toggle_flash">控制閃光燈</string>
 	<string name="error_flash">控制閃光燈時發生錯誤</string>
 	<string name="share">分享</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">您要以何種方式分享？</string>
 	<string name="copy_to_clipboard">複製到剪貼簿</string>
 	<string name="copied_to_clipboard">已複製到剪貼簿</string>

app/src/main/res/values/strings.xml

@@ -31,6 +31,7 @@
 	<string name="toggle_flash">Toggle flash</string>
 	<string name="error_flash">Error toggling flash</string>
 	<string name="share">Share</string>
+	<string name="share_file">Share as file</string>
 	<string name="share_as">Share as?</string>
 	<string name="copy_to_clipboard">Copy to clipboard</string>
 	<string name="copied_to_clipboard">Copied to clipboard</string>