Супер кринж, но сейчас этот кринж будем делать красивым и чилить
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@ -1,5 +1,16 @@
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package com.example.myapplication.database.entities.composeui
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import android.content.ContentResolver
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import android.content.ContentValues
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import android.content.Context
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import android.content.Intent
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import android.graphics.Canvas
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import android.graphics.Paint
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import android.graphics.pdf.PdfDocument
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import android.net.Uri
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import android.os.Environment
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import android.provider.MediaStore
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import android.util.Log
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import androidx.compose.foundation.background
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import androidx.compose.foundation.border
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import androidx.compose.foundation.layout.Arrangement
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@ -26,19 +37,27 @@ import androidx.compose.runtime.rememberCoroutineScope
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.unit.dp
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import androidx.lifecycle.viewmodel.compose.viewModel
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import androidx.navigation.NavController
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import com.example.myapplication.R
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import com.example.myapplication.api.report.ReportRemote
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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import java.io.IOException
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import java.io.OutputStream
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import java.util.Date
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@OptIn(ExperimentalMaterial3Api::class)
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@Composable
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fun ReportPage (navController: NavController?, viewModel: ReportViewModel = viewModel(factory = AppViewModelProvider.Factory))
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{
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val context = LocalContext.current
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//viewModel.getReport()
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val dateStateStart = rememberDatePickerState(initialDisplayMode = DisplayMode.Input)
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val dateStateEnd = rememberDatePickerState(initialDisplayMode = DisplayMode.Input)
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@ -88,7 +107,10 @@ fun ReportPage (navController: NavController?, viewModel: ReportViewModel = view
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Spacer(modifier = Modifier.height(16.dp))
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Button(
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onClick = {coroutineScope.launch { viewModel.getReport() } },
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onClick = {coroutineScope.launch {
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viewModel.getReport()
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//createPdfFile(context = context, fileName = "отчет.pdf",reportData = reportResultPageState.resReport)
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} },
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enabled = viewModel.reportPageUiState.isEntryValid,
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modifier = Modifier
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.fillMaxWidth()
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@ -105,6 +127,22 @@ fun ReportPage (navController: NavController?, viewModel: ReportViewModel = view
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style = MaterialTheme.typography.headlineLarge
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)
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TableScreen(reportData = reportResultPageState.resReport)
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Spacer(modifier = Modifier.height(16.dp))
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Button(
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onClick = {coroutineScope.launch {
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//viewModel.getReport()
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createPdfFile(context = context, fileName = "отчет.pdf",reportData = reportResultPageState.resReport)
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} },
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enabled = viewModel.reportPageUiState.isEntryValid,
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modifier = Modifier
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.fillMaxWidth()
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.padding(all = 10.dp)
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.border(4.dp, MaterialTheme.colorScheme.onPrimary, shape = RoundedCornerShape(10.dp)),
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shape = RoundedCornerShape(10.dp),
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colors = ButtonDefaults.buttonColors(containerColor = MaterialTheme.colorScheme.primary)
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) {
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Text("Сформировать отчет PDF")
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}
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}
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}
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@ -131,26 +169,90 @@ fun TableScreen(reportData: List<ReportRemote>) {
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Column(
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Modifier
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.padding(16.dp)) {
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.padding(16.dp)
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) {
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Row(Modifier.background(Color.White)) {
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TableCell(text = "ID", weight = column1Weight)
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TableCell(text = "Товар", weight = column1Weight)
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TableCell(text = "Кол-во", weight = column1Weight)
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TableCell(text = "Цена", weight = column1Weight)
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TableCell(text = "Дата и время", weight = column1Weight)
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TableCell(text = "Вес", weight = column1Weight)
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TableCell(text = "Макс. количество", weight = column1Weight)
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TableCell(text = "ID велосипеда", weight = column1Weight)
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}
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// Here are all the lines of your table.
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reportData.forEach {
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val (productId, productName, sellsAmount, sellsPrice) = it
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val (id, dateTime, weight, maxCount, bikeId) = it
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Row(Modifier.fillMaxWidth()) {
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TableCell(text = productId.toString(), weight = column1Weight)
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TableCell(text = sellsAmount.toString(), weight = column1Weight)
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TableCell(text = sellsPrice.toString(), weight = column1Weight)
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TableCell(text = id.toString(), weight = column1Weight)
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TableCell(text = dateTime.toString(), weight = column1Weight)
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TableCell(text = weight.toString(), weight = column1Weight)
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TableCell(text = maxCount.toString(), weight = column1Weight)
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TableCell(text = bikeId.toString(), weight = column1Weight)
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}
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}
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/* Row(Modifier.fillMaxWidth()) {
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TableCell(text = "Общая цена: " + reportData.map { x -> x.sellsPrice}.sum().toString(), weight = column2Weight)
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}*/
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}
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}
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}
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suspend fun createPdfFile(context: Context, fileName: String, reportData: List<ReportRemote>) {
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withContext(Dispatchers.IO) {
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val contentValues = ContentValues().apply {
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put(MediaStore.MediaColumns.DISPLAY_NAME, fileName)
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put(MediaStore.MediaColumns.MIME_TYPE, "application/pdf")
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put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DOCUMENTS)
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}
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val contentResolver: ContentResolver = context.contentResolver
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val uri: Uri? = contentResolver.insert(MediaStore.Files.getContentUri("external"), contentValues)
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uri?.let {
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try {
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contentResolver.openOutputStream(uri)?.use { outputStream ->
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createPdfContent(outputStream, reportData)
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}
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// Optional: Notify MediaStore about the new file
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context.sendBroadcast(Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri))
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} catch (e: IOException) {
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e.printStackTrace()
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}
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}
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}
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}
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private fun createPdfContent(outputStream: OutputStream, reportData: List<ReportRemote>) {
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val pdfDocument = PdfDocument()
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val pageInfo = PdfDocument.PageInfo.Builder(595, 842, 1).create()
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val page = pdfDocument.startPage(pageInfo)
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val canvas = page.canvas
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val paint = Paint()
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paint.color = android.graphics.Color.BLACK
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paint.textSize = 24f
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// Отображаем заголовок
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val title = "Отчет"
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val xTitle = (pageInfo.pageWidth - paint.measureText(title)) / 2
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val yTitle = 40f
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canvas.drawText(title, xTitle, yTitle, paint)
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// Отображаем данные из запроса
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val yStart = yTitle + 40f
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val lineHeight = 40f
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for ((index, report) in reportData.withIndex()) {
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val y = yStart + index * lineHeight
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Log.d("Проверка данных","${report.id} | ${report.dateTime} | ${report.weight} | ${report.maxCount} | ${report.bikeId}")
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val text = "${report.id} | ${report.dateTime} | ${report.weight} | ${report.maxCount} | ${report.bikeId}"
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canvas.drawText(text, 40f, y, paint)
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}
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pdfDocument.finishPage(page)
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pdfDocument.writeTo(outputStream)
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pdfDocument.close()
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}
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private fun drawCell(canvas: Canvas, paint: Paint, text: String, x: Float, y: Float, width: Int) {
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canvas.drawText(text, x + (width - paint.measureText(text)) / 2, y + paint.textSize, paint)
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}
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@ -425,53 +425,3 @@ fun LoginScreenProfile(currentUserViewModel: CurrentUserViewModel = viewModel(fa
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}
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}
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@OptIn(ExperimentalComposeUiApi::class)
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suspend fun createPdfFile(context: Context, fileName: String) {
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withContext(Dispatchers.IO) {
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val contentValues = ContentValues().apply {
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put(MediaStore.MediaColumns.DISPLAY_NAME, fileName)
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put(MediaStore.MediaColumns.MIME_TYPE, "application/pdf")
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put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DOCUMENTS)
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}
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val contentResolver: ContentResolver = context.contentResolver
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val uri: Uri? = contentResolver.insert(MediaStore.Files.getContentUri("external"), contentValues)
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uri?.let {
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try {
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contentResolver.openOutputStream(uri)?.use { outputStream ->
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createPdfContent(outputStream)
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}
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// Optional: Notify MediaStore about the new file
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context.sendBroadcast(Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri))
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} catch (e: IOException) {
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e.printStackTrace()
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}
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}
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}
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}
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private fun createPdfContent(outputStream: OutputStream) {
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val pdfDocument = PdfDocument()
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val pageInfo = PdfDocument.PageInfo.Builder(595, 842, 1).create()
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val page = pdfDocument.startPage(pageInfo)
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val canvas = page.canvas
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val paint = Paint()
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paint.color = Color.BLACK
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paint.textSize = 24f
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val text = "Привет, мир!"
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val x = (pageInfo.pageWidth - paint.measureText(text)) / 2
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val y = (pageInfo.pageHeight + paint.textSize) / 2
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canvas.drawText(text, x, y, paint)
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pdfDocument.finishPage(page)
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pdfDocument.writeTo(outputStream)
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pdfDocument.close()
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}
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