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KaushalVasavaKaushalVasava
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‎.gitignore

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*.iml
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties

‎app/.gitignore

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/build

‎app/build.gradle.kts

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plugins {
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alias(libs.plugins.androidApplication)
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alias(libs.plugins.jetbrainsKotlinAndroid)
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}
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android {
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namespace = "com.kaushalvasava.apps.documentscanner"
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compileSdk = 34
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defaultConfig {
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applicationId = "com.kaushalvasava.apps.documentscanner"
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minSdk = 24
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targetSdk = 34
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versionCode = 1
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versionName = "1.0"
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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vectorDrawables {
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useSupportLibrary = true
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}
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}
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buildTypes {
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release {
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isMinifyEnabled = false
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proguardFiles(
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getDefaultProguardFile("proguard-android-optimize.txt"),
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"proguard-rules.pro"
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)
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_1_8
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targetCompatibility = JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = "1.8"
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}
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buildFeatures {
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compose = true
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}
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composeOptions {
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kotlinCompilerExtensionVersion = "1.5.1"
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}
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packaging {
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resources {
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excludes += "/META-INF/{AL2.0,LGPL2.1}"
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}
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}
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}
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dependencies {
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implementation(libs.androidx.core.ktx)
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implementation(libs.androidx.lifecycle.runtime.ktx)
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implementation(libs.androidx.activity.compose)
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implementation(platform(libs.androidx.compose.bom))
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implementation(libs.androidx.ui)
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implementation(libs.androidx.ui.graphics)
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implementation(libs.androidx.ui.tooling.preview)
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implementation(libs.androidx.material3)
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testImplementation(libs.junit)
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androidTestImplementation(libs.androidx.junit)
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androidTestImplementation(libs.androidx.espresso.core)
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androidTestImplementation(platform(libs.androidx.compose.bom))
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androidTestImplementation(libs.androidx.ui.test.junit4)
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debugImplementation(libs.androidx.ui.tooling)
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debugImplementation(libs.androidx.ui.test.manifest)
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implementation(libs.play.services.mlkit.document.scanner)
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}

‎app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎app/src/androidTest/java/com/kaushalvasava/apps/documentscanner/ExampleInstrumentedTest.kt

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package com.kaushalvasava.apps.documentscanner
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("com.kaushalvasava.app.documentscanner", appContext.packageName)
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}
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}

‎app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<application
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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android:fullBackupContent="@xml/backup_rules"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.DocumentScanner"
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tools:targetApi="31">
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<activity
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android:name=".MainActivity"
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android:exported="true"
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android:theme="@style/Theme.DocumentScanner">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<provider
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android:name="androidx.core.content.FileProvider"
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android:authorities="${applicationId}.provider"
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android:exported="false"
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android:grantUriPermissions="true">
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<meta-data
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android:name="android.support.FILE_PROVIDER_PATHS"
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android:resource="@xml/filepaths"/>
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</provider>
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</application>
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</manifest>

‎app/src/main/java/com/kaushalvasava/apps/documentscanner/MainActivity.kt

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package com.kaushalvasava.apps.documentscanner
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import android.os.Bundle
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.setContent
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.Surface
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import androidx.compose.ui.Modifier
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import com.kaushalvasava.apps.documentscanner.ui.screen.HomeScreen
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import com.kaushalvasava.apps.documentscanner.ui.theme.DocumentScannerTheme
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class MainActivity : ComponentActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContent {
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DocumentScannerTheme {
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// A surface container using the 'background' color from the theme
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Surface(
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modifier = Modifier.fillMaxSize(),
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color = MaterialTheme.colorScheme.background
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) {
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HomeScreen()
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}
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}
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}
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}
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}

‎app/src/main/java/com/kaushalvasava/apps/documentscanner/ui/screen/HomeScreen.kt

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package com.kaushalvasava.apps.documentscanner.ui.screen
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import android.app.Activity
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import android.content.Intent
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import android.util.Log
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import androidx.activity.compose.rememberLauncherForActivityResult
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import androidx.activity.result.IntentSenderRequest
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import androidx.activity.result.contract.ActivityResultContracts
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import androidx.compose.foundation.Image
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.PaddingValues
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.fillMaxHeight
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.lazy.LazyColumn
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import androidx.compose.foundation.lazy.items
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import androidx.compose.material3.Card
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import androidx.compose.material3.ExperimentalMaterial3Api
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import androidx.compose.material3.ExtendedFloatingActionButton
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import androidx.compose.material3.Icon
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import androidx.compose.material3.Scaffold
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import androidx.compose.material3.Surface
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import androidx.compose.material3.Text
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import androidx.compose.material3.TopAppBar
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import androidx.compose.material3.TopAppBarDefaults
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.mutableStateListOf
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import androidx.compose.runtime.remember
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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.platform.LocalContext
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import androidx.compose.ui.res.painterResource
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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.core.content.FileProvider
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import androidx.core.net.toFile
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import com.google.mlkit.vision.documentscanner.GmsDocumentScannerOptions
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import com.google.mlkit.vision.documentscanner.GmsDocumentScanning
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import com.google.mlkit.vision.documentscanner.GmsDocumentScanningResult
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import com.kaushalvasava.apps.documentscanner.MainActivity
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import com.kaushalvasava.apps.documentscanner.R
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typealias Pdf = GmsDocumentScanningResult.Pdf
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@OptIn(ExperimentalMaterial3Api::class)
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@Composable
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fun HomeScreen() {
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val activity = LocalContext.current as MainActivity
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val options = remember { getOptions() }
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val docs = remember {
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mutableStateListOf<Pdf>()
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}
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val scannerLauncher = rememberLauncherForActivityResult(
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contract =
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ActivityResultContracts.StartIntentSenderForResult()
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) { result ->
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if (result.resultCode == Activity.RESULT_OK) {
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val scanningResult =
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GmsDocumentScanningResult.fromActivityResultIntent(result.data)
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scanningResult?.pdf?.let { pdf ->
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docs.add(pdf)
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}
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}
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}
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val scanner = remember {
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GmsDocumentScanning.getClient(options)
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}
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Scaffold(
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topBar = {
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TopAppBar(
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title = { Text(stringResource(R.string.app_name)) },
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colors = TopAppBarDefaults.mediumTopAppBarColors()
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)
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},
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floatingActionButton = {
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ExtendedFloatingActionButton(
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onClick = {
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scanner.getStartScanIntent(activity)
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.addOnSuccessListener { intentSender ->
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scannerLauncher.launch(
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IntentSenderRequest.Builder(intentSender).build()
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)
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}
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.addOnFailureListener {
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Log.d("TAG", "HomeScreen: ${it.message}")
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}
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},
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text = {
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Text(text = stringResource(R.string.scan))
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},
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icon = {
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Icon(
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painterResource(id = R.drawable.ic_camera),
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contentDescription = null,
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)
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}
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)
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},
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content = {
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Surface(modifier = Modifier.padding(it)) {
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LazyColumn(
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modifier = Modifier.fillMaxSize(),
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contentPadding = PaddingValues(10.dp)
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) {
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items(items = docs) {
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Card(modifier = Modifier
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.fillMaxWidth()
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.height(80.dp)
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.padding(10.dp),
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onClick = {
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val pdfUri = it.uri
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val pdfFileUri = FileProvider.getUriForFile(
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activity,
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activity.packageName + ".provider",
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pdfUri.toFile()
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)
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val browserIntent = Intent(Intent.ACTION_VIEW, pdfFileUri)
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browserIntent.flags = Intent.FLAG_GRANT_READ_URI_PERMISSION
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activity.startActivity(browserIntent)
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}) {
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Row(
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modifier = Modifier
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.fillMaxSize()
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.padding(10.dp),
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horizontalArrangement = Arrangement.spacedBy(10.dp),
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verticalAlignment = Alignment.CenterVertically
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) {
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Image(
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modifier = Modifier.fillMaxHeight(),
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painter = painterResource(id = R.drawable.ic_pdf),
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contentDescription = null,
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)
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Text(text = it.uri.lastPathSegment ?: "")
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}
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}
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}
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}
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}
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}
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)
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}
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fun getOptions(): GmsDocumentScannerOptions {
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return GmsDocumentScannerOptions.Builder()
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.setGalleryImportAllowed(true)
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.setResultFormats(GmsDocumentScannerOptions.RESULT_FORMAT_PDF)
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.setScannerMode(GmsDocumentScannerOptions.SCANNER_MODE_FULL)
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.build()
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}

‎app/src/main/java/com/kaushalvasava/apps/documentscanner/ui/theme/Color.kt

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package com.kaushalvasava.apps.documentscanner.ui.theme
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import androidx.compose.ui.graphics.Color
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val Purple80 = Color(0xFFD0BCFF)
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val PurpleGrey80 = Color(0xFFCCC2DC)
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val Pink80 = Color(0xFFEFB8C8)
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val Purple40 = Color(0xFF6650a4)
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val PurpleGrey40 = Color(0xFF625b71)
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val Pink40 = Color(0xFF7D5260)

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