Initial commit

.gitignore

@@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle.kts

@@ -0,0 +1,71 @@
+plugins {
+    alias(libs.plugins.androidApplication)
+    alias(libs.plugins.jetbrainsKotlinAndroid)
+}
+
+android {
+    namespace = "com.kaushalvasava.apps.documentscanner"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.kaushalvasava.apps.documentscanner"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    buildFeatures {
+        compose = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.1"
+    }
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
+
+    implementation(libs.play.services.mlkit.document.scanner)
+}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

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

@@ -0,0 +1,24 @@
+package com.kaushalvasava.apps.documentscanner
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.kaushalvasava.app.documentscanner", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.DocumentScanner"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:theme="@style/Theme.DocumentScanner">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/filepaths"/>
+        </provider>
+    </application>
+
+</manifest>

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

@@ -0,0 +1,28 @@
+package com.kaushalvasava.apps.documentscanner
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.ui.Modifier
+import com.kaushalvasava.apps.documentscanner.ui.screen.HomeScreen
+import com.kaushalvasava.apps.documentscanner.ui.theme.DocumentScannerTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            DocumentScannerTheme {
+                // A surface container using the 'background' color from the theme
+                Surface(
+                    modifier = Modifier.fillMaxSize(),
+                    color = MaterialTheme.colorScheme.background
+                ) {
+                    HomeScreen()
+                }
+            }
+        }
+    }
+}

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

@@ -0,0 +1,155 @@
+package com.kaushalvasava.apps.documentscanner.ui.screen
+
+import android.app.Activity
+import android.content.Intent
+import android.util.Log
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.IntentSenderRequest
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.Card
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExtendedFloatingActionButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.core.content.FileProvider
+import androidx.core.net.toFile
+import com.google.mlkit.vision.documentscanner.GmsDocumentScannerOptions
+import com.google.mlkit.vision.documentscanner.GmsDocumentScanning
+import com.google.mlkit.vision.documentscanner.GmsDocumentScanningResult
+import com.kaushalvasava.apps.documentscanner.MainActivity
+import com.kaushalvasava.apps.documentscanner.R
+
+typealias Pdf = GmsDocumentScanningResult.Pdf
+
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun HomeScreen() {
+
+    val activity = LocalContext.current as MainActivity
+    val options = remember { getOptions() }
+    val docs = remember {
+        mutableStateListOf<Pdf>()
+    }
+    val scannerLauncher = rememberLauncherForActivityResult(
+        contract =
+        ActivityResultContracts.StartIntentSenderForResult()
+    ) { result ->
+        if (result.resultCode == Activity.RESULT_OK) {
+            val scanningResult =
+                GmsDocumentScanningResult.fromActivityResultIntent(result.data)
+            scanningResult?.pdf?.let { pdf ->
+                docs.add(pdf)
+            }
+        }
+    }
+    val scanner = remember {
+        GmsDocumentScanning.getClient(options)
+    }
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text(stringResource(R.string.app_name)) },
+                colors = TopAppBarDefaults.mediumTopAppBarColors()
+            )
+        },
+        floatingActionButton = {
+            ExtendedFloatingActionButton(
+                onClick = {
+                    scanner.getStartScanIntent(activity)
+                        .addOnSuccessListener { intentSender ->
+                            scannerLauncher.launch(
+                                IntentSenderRequest.Builder(intentSender).build()
+                            )
+                        }
+                        .addOnFailureListener {
+                            Log.d("TAG", "HomeScreen: ${it.message}")
+                        }
+                },
+                text = {
+                    Text(text = stringResource(R.string.scan))
+                },
+                icon = {
+                    Icon(
+                        painterResource(id = R.drawable.ic_camera),
+                        contentDescription = null,
+                    )
+                }
+            )
+        },
+        content = {
+            Surface(modifier = Modifier.padding(it)) {
+                LazyColumn(
+                    modifier = Modifier.fillMaxSize(),
+                    contentPadding = PaddingValues(10.dp)
+                ) {
+                    items(items = docs) {
+                        Card(modifier = Modifier
+                            .fillMaxWidth()
+                            .height(80.dp)
+                            .padding(10.dp),
+                            onClick = {
+                                val pdfUri = it.uri
+                                val pdfFileUri = FileProvider.getUriForFile(
+                                    activity,
+                                    activity.packageName + ".provider",
+                                    pdfUri.toFile()
+                                )
+                                val browserIntent = Intent(Intent.ACTION_VIEW, pdfFileUri)
+                                browserIntent.flags = Intent.FLAG_GRANT_READ_URI_PERMISSION
+                                activity.startActivity(browserIntent)
+                            }) {
+                            Row(
+                                modifier = Modifier
+                                    .fillMaxSize()
+                                    .padding(10.dp),
+                                horizontalArrangement = Arrangement.spacedBy(10.dp),
+                                verticalAlignment = Alignment.CenterVertically
+                            ) {
+                                Image(
+                                    modifier = Modifier.fillMaxHeight(),
+                                    painter = painterResource(id = R.drawable.ic_pdf),
+                                    contentDescription = null,
+                                )
+                                Text(text = it.uri.lastPathSegment ?: "")
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    )
+}
+
+
+fun getOptions(): GmsDocumentScannerOptions {
+    return GmsDocumentScannerOptions.Builder()
+        .setGalleryImportAllowed(true)
+        .setResultFormats(GmsDocumentScannerOptions.RESULT_FORMAT_PDF)
+        .setScannerMode(GmsDocumentScannerOptions.SCANNER_MODE_FULL)
+        .build()
+}

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

@@ -0,0 +1,11 @@
+package com.kaushalvasava.apps.documentscanner.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)