Export SQLite database

app/src/main/kotlin/de/markusfisch/android/binaryeye/data/CsvExport.kt

@@ -0,0 +1,85 @@
+package de.markusfisch.android.binaryeye.data
+
+import android.content.Context
+import android.database.Cursor
+import de.markusfisch.android.binaryeye.app.writeExternalFile
+
+fun exportCsv(
+	context: Context,
+	name: String,
+	cursor: Cursor,
+	delimiter: String
+) {
+	if (!cursor.moveToFirst()) {
+		return
+	}
+	val columns = arrayOf(
+		Database.SCANS_DATETIME,
+		Database.SCANS_FORMAT,
+		Database.SCANS_CONTENT,
+		Database.SCANS_ERROR_CORRECTION_LEVEL,
+		Database.SCANS_ISSUE_NUMBER,
+		Database.SCANS_ORIENTATION,
+		Database.SCANS_OTHER_META_DATA,
+		Database.SCANS_PDF417_EXTRA_METADATA,
+		Database.SCANS_POSSIBLE_COUNTRY,
+		Database.SCANS_SUGGESTED_PRICE,
+		Database.SCANS_UPC_EAN_EXTENSION
+	)
+	val indices = columns.map {
+		cursor.getColumnIndex(it)
+	}
+	val contentIndex = cursor.getColumnIndex(Database.SCANS_CONTENT)
+	val rawIndex = cursor.getColumnIndex(Database.SCANS_RAW)
+	writeExternalFile(context, name, "text/csv") { outputStream ->
+		outputStream.write(
+			columns.joinToString(
+				delimiter,
+				postfix = "\n"
+			).toByteArray()
+		)
+		do {
+			var deviation: Pair<Int, String>? = null
+			if (cursor.getString(contentIndex)?.isEmpty() == true) {
+				deviation = Pair(
+					contentIndex,
+					cursor.getBlob(rawIndex).toHexString()
+				)
+			}
+			outputStream.write(
+				cursor.toCsvRecord(indices, delimiter, deviation)
+			)
+		} while (cursor.moveToNext())
+	}
+}
+
+private fun ByteArray.toHexString(): String {
+	val hex = StringBuilder()
+	for (i in this.indices) {
+		hex.append(String.format("%02X", this[i]))
+	}
+	return hex.toString()
+}
+
+private fun Cursor.toCsvRecord(
+	indices: List<Int>,
+	delimiter: String,
+	deviation: Pair<Int, String>?
+): ByteArray {
+	val sb = StringBuilder()
+	indices.forEach {
+		val value = if (deviation?.first == it) {
+			deviation.second
+		} else {
+			this.getString(it)
+		}
+		sb.append(value?.quoteAndEscape() ?: "")
+		sb.append(delimiter)
+	}
+	sb.append("\n")
+	return sb.toString().toByteArray()
+}
+
+private fun String.quoteAndEscape() = "\"${this
+	.replace("\n", " ")
+	.replace("\"", "\"\"")}\""

app/src/main/kotlin/de/markusfisch/android/binaryeye/data/Database.kt

@@ -184,7 +184,7 @@ class Database {
 	}
 
 	private class OpenHelper(context: Context) :
-		SQLiteOpenHelper(context, "history.db", null, 4) {
+		SQLiteOpenHelper(context, FILE_NAME, null, 4) {
 		override fun onCreate(db: SQLiteDatabase) {
 			createScans(db)
 		}
@@ -207,6 +207,7 @@ class Database {
 	}
 
 	companion object {
+		const val FILE_NAME = "history.db"
 		const val SCANS = "scans"
 		const val SCANS_ID = "_id"
 		const val SCANS_DATETIME = "_datetime"

app/src/main/kotlin/de/markusfisch/android/binaryeye/data/Export.kt

@@ -1,85 +1,39 @@
 package de.markusfisch.android.binaryeye.data
 
-import android.content.Context
-import android.database.Cursor
+import android.app.Activity
+import android.os.Environment
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.app.hasWritePermission
 import de.markusfisch.android.binaryeye.app.writeExternalFile
+import de.markusfisch.android.binaryeye.widget.toast
+import kotlinx.coroutines.Dispatchers.Main
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import java.io.File
+import java.io.FileInputStream
 
-fun exportCsv(
-	context: Context,
-	name: String,
-	cursor: Cursor,
-	delimiter: String
-) {
-	if (!cursor.moveToFirst()) {
+fun exportDatabase(activity: Activity, fileName: String) {
+	if (!hasWritePermission(activity)) {
 		return
 	}
-	val columns = arrayOf(
-		Database.SCANS_DATETIME,
-		Database.SCANS_FORMAT,
-		Database.SCANS_CONTENT,
-		Database.SCANS_ERROR_CORRECTION_LEVEL,
-		Database.SCANS_ISSUE_NUMBER,
-		Database.SCANS_ORIENTATION,
-		Database.SCANS_OTHER_META_DATA,
-		Database.SCANS_PDF417_EXTRA_METADATA,
-		Database.SCANS_POSSIBLE_COUNTRY,
-		Database.SCANS_SUGGESTED_PRICE,
-		Database.SCANS_UPC_EAN_EXTENSION
+	val dbFile = File(
+		Environment.getDataDirectory(),
+		"//data//${activity.packageName}//databases//${Database.FILE_NAME}"
 	)
-	val indices = columns.map {
-		cursor.getColumnIndex(it)
+	if (!dbFile.exists()) {
+		activity.toast(R.string.error_no_content)
+		return
 	}
-	val contentIndex = cursor.getColumnIndex(Database.SCANS_CONTENT)
-	val rawIndex = cursor.getColumnIndex(Database.SCANS_RAW)
-	writeExternalFile(context, name, "text/csv") { outputStream ->
-		outputStream.write(
-			columns.joinToString(
-				delimiter,
-				postfix = "\n"
-			).toByteArray()
-		)
-		do {
-			var deviation: Pair<Int, String>? = null
-			if (cursor.getString(contentIndex)?.isEmpty() == true) {
-				deviation = Pair(
-					contentIndex,
-					cursor.getBlob(rawIndex).toHexString()
-				)
-			}
-			outputStream.write(
-				cursor.toCsvRecord(indices, delimiter, deviation)
-			)
-		} while (cursor.moveToNext())
-	}
-}
-
-private fun ByteArray.toHexString(): String {
-	val hex = StringBuilder()
-	for (i in this.indices) {
-		hex.append(String.format("%02X", this[i]))
-	}
-	return hex.toString()
-}
-
-private fun Cursor.toCsvRecord(
-	indices: List<Int>,
-	delimiter: String,
-	deviation: Pair<Int, String>?
-): ByteArray {
-	val sb = StringBuilder()
-	indices.forEach {
-		val value = if (deviation?.first == it) {
-			deviation.second
-		} else {
-			this.getString(it)
+	GlobalScope.launch {
+		val message = writeExternalFile(
+			activity,
+			fileName,
+			"application/vnd.sqlite3"
+		) {
+			FileInputStream(dbFile).copyTo(it)
+		}
+		GlobalScope.launch(Main) {
+			activity.toast(message)
 		}
-		sb.append(value?.quoteAndEscape() ?: "")
-		sb.append(delimiter)
 	}
-	sb.append("\n")
-	return sb.toString().toByteArray()
 }
-
-private fun String.quoteAndEscape() = "\"${this
-	.replace("\n", " ")
-	.replace("\"", "\"\"")}\""

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

@@ -23,6 +23,7 @@ import de.markusfisch.android.binaryeye.adapter.ScansAdapter
 import de.markusfisch.android.binaryeye.app.*
 import de.markusfisch.android.binaryeye.data.Database
 import de.markusfisch.android.binaryeye.data.exportCsv
+import de.markusfisch.android.binaryeye.data.exportDatabase
 import de.markusfisch.android.binaryeye.view.setPadding
 import de.markusfisch.android.binaryeye.view.setWindowInsetListener
 import de.markusfisch.android.binaryeye.view.useVisibility
@@ -333,24 +334,30 @@ class HistoryFragment : Fragment() {
 	}
 
 	private fun askToExportToFile(context: Context) = scope.launch {
+		val ac = activity ?: return@launch
 		progressView.useVisibility {
-			if (!hasWritePermission(activity)) {
+			if (!hasWritePermission(ac)) {
 				return@useVisibility
 			}
-			val delimiters = context.resources.getStringArray(
-				R.array.csv_delimiters_values
+			val options = context.resources.getStringArray(
+				R.array.export_options_values
 			)
 			val delimiter = alertDialog<String>(context) { resume ->
-				setTitle(R.string.csv_delimiter)
-				setItems(R.array.csv_delimiters_names) { _, which ->
-					resume(delimiters[which])
+				setTitle(R.string.export_as)
+				setItems(R.array.export_options_names) { _, which ->
+					resume(options[which])
 				}
 			} ?: return@useVisibility
+			val isCsv = delimiter != "sql"
 			val name = withContext(Dispatchers.Main) {
-				activity.askForFileName(suffix = ".csv")
+				ac.askForFileName(if (isCsv) ".csv" else ".db")
 			} ?: return@useVisibility
-			db.getScansDetailed(filter)?.use { cursor ->
-				exportCsv(context, name, cursor, delimiter)
+			if (isCsv) {
+				db.getScansDetailed(filter)?.use { cursor ->
+					exportCsv(context, name, cursor, delimiter)
+				}
+			} else {
+				exportDatabase(ac, name)
 			}
 		}
 	}

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

@@ -8,7 +8,7 @@
 			android:icon="@drawable/ic_action_search"
 			android:title="@string/search_scan"
 			material:actionViewClass="android.support.v7.widget.SearchView"
-			material:showAsAction="collapseActionView|ifRoom"/>
+			material:showAsAction="collapseActionView|always"/>
 		<item
 			android:id="@+id/export_history"
 			android:icon="@drawable/ic_action_export"

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

@@ -79,9 +79,10 @@
 	<string name="search_web">Suche im Internet</string>
 	<string name="search_scan">Code suchen</string>
 	<string name="export_to_file">In Datei exportieren</string>
-	<string name="csv_delimiter">Welches Trennzeichen soll genutzt werden (CSV-Datei)?</string>
-	<string name="delimiter_comma">Komma</string>
-	<string name="delimiter_semicolon">Semikolon</string>
+	<string name="export_as">Exportieren als?</string>
+	<string name="export_csv_comma">CSV mit Kommas</string>
+	<string name="export_csv_semicolon">CSV mit Semikolons</string>
+	<string name="export_database">SQLite Datenbank exportieren</string>
 	<string name="saved_in_downloads">In den Downloads gespeichert</string>
 	<string name="rotate_image_cw">Bild im Uhrzeigersinn rotieren</string>
 	<string name="pick_file">Bilddatei auswählen</string>

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

@@ -79,9 +79,10 @@
 	<string name="search_web">Search the web</string>
 	<string name="search_scan">Search scan</string>
 	<string name="export_to_file">Export to file</string>
-	<string name="csv_delimiter">Which delimiter should be used (CSV-File)?</string>
-	<string name="delimiter_comma">Comma</string>
-	<string name="delimiter_semicolon">Semicolon</string>
+	<string name="export_as">Export as?</string>
+	<string name="export_csv_comma">CSV with commas</string>
+	<string name="export_csv_semicolon">CSV with semicolons</string>
+	<string name="export_database">Export SQLite database</string>
 	<string name="saved_in_downloads">Saved in downloads</string>
 	<string name="rotate_image_cw">Rotate image clockwise</string>
 	<string name="pick_file">Pick image file</string>

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

@@ -79,9 +79,10 @@
 	<string name="search_web">Keresés a weben</string>
 	<string name="search_scan">Search scan</string>
 	<string name="export_to_file">Exportálás fájlba</string>
-	<string name="csv_delimiter">Milyen mezőelválasztót kell használni (CSV-fájl)?</string>
-	<string name="delimiter_comma">Vessző</string>
-	<string name="delimiter_semicolon">Pontosvessző</string>
+	<string name="export_as">Export as?</string>
+	<string name="export_csv_comma">CSV with commas</string>
+	<string name="export_csv_semicolon">CSV with semicolons</string>
+	<string name="export_database">Export SQLite database</string>
 	<string name="saved_in_downloads">Elmentve a letöltésekbe</string>
 	<string name="rotate_image_cw">Kép forgatása jobbra</string>
 	<string name="pick_file">Képfájl kiválasztása</string>

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

@@ -78,9 +78,10 @@
 	<string name="search_web">Cari secara daring</string>
 	<string name="search_scan">Cari pindaian</string>
 	<string name="export_to_file">Ekspor ke berkas</string>
-	<string name="csv_delimiter">Karakter pemisah apa yang harus digunakan (Berkas-CSV)?</string>
-	<string name="delimiter_comma">Koma</string>
-	<string name="delimiter_semicolon">Titik koma</string>
+	<string name="export_as">Export as?</string>
+	<string name="export_csv_comma">CSV with commas</string>
+	<string name="export_csv_semicolon">CSV with semicolons</string>
+	<string name="export_database">Export SQLite database</string>
 	<string name="saved_in_downloads">Simpan di dalam unduhan</string>
 	<string name="rotate_image_cw">Putar gambar searah jarum jam</string>
 	<string name="pick_file">Pilih berkas gambar</string>

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

@@ -79,9 +79,10 @@
 	<string name="search_web">Cerca nel web</string>
 	<string name="search_scan">Search scan</string>
 	<string name="export_to_file">Esporta su file</string>
-	<string name="csv_delimiter">Quale delimitatore usare (File-CSV)?</string>
-	<string name="delimiter_comma">Virgola</string>
-	<string name="delimiter_semicolon">Punto e virgola</string>
+	<string name="export_as">Export as?</string>
+	<string name="export_csv_comma">CSV with commas</string>
+	<string name="export_csv_semicolon">CSV with semicolons</string>
+	<string name="export_database">Export SQLite database</string>
 	<string name="saved_in_downloads">Salvato nei download</string>
 	<string name="rotate_image_cw">Ruota immagine in senso orario</string>
 	<string name="pick_file">Scegli file immagine</string>

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

@@ -75,9 +75,10 @@
 	<string name="search_web">Het net doorzoeken</string>
 	<string name="search_scan">Search scan</string>
 	<string name="export_to_file">Naar bestand exporteren</string>
-	<string name="csv_delimiter">Wat voor separator wil je gebruiken (CSV-bestand)?</string>
-	<string name="delimiter_comma">Komma</string>
-	<string name="delimiter_semicolon">Kommapunt</string>
+	<string name="export_as">Export as?</string>
+	<string name="export_csv_comma">CSV with commas</string>
+	<string name="export_csv_semicolon">CSV with semicolons</string>
+	<string name="export_database">Export SQLite database</string>
 	<string name="error_saving_binary_data">Kon bestand niet opslaan</string>
 	<string name="open_with_url">Niet herkende data met URL openen</string>
 	<string name="pick_list_separator">Hoe de lijstonderdelen te separeren?</string>

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

@@ -79,9 +79,10 @@
 	<string name="search_web">Search the web</string>
 	<string name="search_scan">Search scan</string>
 	<string name="export_to_file">Export to file</string>
-	<string name="csv_delimiter">Which delimiter should be used (CSV-File)?</string>
-	<string name="delimiter_comma">Comma</string>
-	<string name="delimiter_semicolon">Semicolon</string>
+	<string name="export_as">Export as?</string>
+	<string name="export_csv_comma">CSV with commas</string>
+	<string name="export_csv_semicolon">CSV with semicolons</string>
+	<string name="export_database">Export SQLite database</string>
 	<string name="saved_in_downloads">Saved in downloads</string>
 	<string name="rotate_image_cw">Rotate image clockwise</string>
 	<string name="pick_file">Pick image file</string>

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

@@ -75,9 +75,10 @@
 	<string name="search_web">Search the web</string>
 	<string name="search_scan">Search scan</string>
 	<string name="export_to_file">Export to file</string>
-	<string name="csv_delimiter">Which delimiter should be used (CSV-File)?</string>
-	<string name="delimiter_comma">Comma</string>
-	<string name="delimiter_semicolon">Semicolon</string>
+	<string name="export_as">Export as?</string>
+	<string name="export_csv_comma">CSV with commas</string>
+	<string name="export_csv_semicolon">CSV with semicolons</string>
+	<string name="export_database">Export SQLite database</string>
 	<string name="saved_in_downloads">Saved in downloads</string>
 	<string name="rotate_image_cw">Rotate image clockwise</string>
 	<string name="pick_file">Pick image file</string>

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

@@ -78,9 +78,10 @@
 	<string name="search_web">在互联网中搜索</string>
 	<string name="search_scan">Search scan</string>
 	<string name="export_to_file">导出为CSV文件</string>
-	<string name="csv_delimiter">使用哪个分隔符 (CSV-文件)?</string>
-	<string name="delimiter_comma">逗号</string>
-	<string name="delimiter_semicolon">分号</string>
+	<string name="export_as">Export as?</string>
+	<string name="export_csv_comma">CSV with commas</string>
+	<string name="export_csv_semicolon">CSV with semicolons</string>
+	<string name="export_database">Export SQLite database</string>
 	<string name="saved_in_downloads">已保存到下载目录</string>
 	<string name="rotate_image_cw">旋转图片</string>
 	<string name="pick_file">选择图片文件</string>

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

@@ -78,9 +78,10 @@
 	<string name="search_web">Search the web</string>
 	<string name="search_scan">Search scan</string>
 	<string name="export_to_file">Export to file</string>
-	<string name="csv_delimiter">Which delimiter should be used (CSV-File)?</string>
-	<string name="delimiter_comma">Comma</string>
-	<string name="delimiter_semicolon">Semicolon</string>
+	<string name="export_as">Export as?</string>
+	<string name="export_csv_comma">CSV with commas</string>
+	<string name="export_csv_semicolon">CSV with semicolons</string>
+	<string name="export_database">Export SQLite database</string>
 	<string name="saved_in_downloads">Saved in downloads</string>
 	<string name="rotate_image_cw">Rotate image clockwise</string>
 	<string name="pick_file">Pick image file</string>

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

@@ -1,11 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-	<string-array name="csv_delimiters_names">
-		<item>@string/delimiter_comma</item>
-		<item>@string/delimiter_semicolon</item>
+	<string-array name="export_options_names">
+		<item>@string/export_csv_comma</item>
+		<item>@string/export_csv_semicolon</item>
+		<item>@string/export_database</item>
 	</string-array>
-	<string-array name="csv_delimiters_values">
+	<string-array name="export_options_values">
 		<item>,</item>
 		<item>;</item>
+		<item>sql</item>
 	</string-array>
 </resources>

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

@@ -79,9 +79,10 @@
 	<string name="search_web">Search the web</string>
 	<string name="search_scan">Search scan</string>
 	<string name="export_to_file">Export to file</string>
-	<string name="csv_delimiter">Which delimiter should be used (CSV-File)?</string>
-	<string name="delimiter_comma">Comma</string>
-	<string name="delimiter_semicolon">Semicolon</string>
+	<string name="export_as">Export as?</string>
+	<string name="export_csv_comma">CSV with commas</string>
+	<string name="export_csv_semicolon">CSV with semicolons</string>
+	<string name="export_database">Export SQLite database</string>
 	<string name="saved_in_downloads">Saved in downloads</string>
 	<string name="rotate_image_cw">Rotate image clockwise</string>
 	<string name="pick_file">Pick image file</string>