Init Pdf View Project

.gitignore

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+*.iml
+.gradle
+.idea
+/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

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    compileSdk 32
+
+    defaultConfig {
+        applicationId "lee.module.sample"
+        minSdk 21
+        targetSdk 32
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = '11'
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.core:core-ktx:1.7.0'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
+    implementation 'com.google.android.material:material:1.6.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.5.0-rc01"
+    implementation project(":pdfview")
+
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}

app/proguard-rules.pro

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+# 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/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="lee.module.sample">
+
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.PdfView">
+        <activity
+            android:name="lee.module.sample.MainActivity"
+            android:exported="true">
+            <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}.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/provider_paths" />
+        </provider>
+    </application>
+
+</manifest>

app/src/main/java/lee/module/sample/MainActivity.kt

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+package lee.module.sample
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.util.Log
+import android.view.View
+import android.webkit.MimeTypeMap
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.FileProvider
+import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.io.File
+import java.io.IOException
+import java.io.InputStream
+import java.io.OutputStream
+
+const val FILE_NAME = "file_example.pdf"
+
+class MainActivity : AppCompatActivity() {
+
+    private lateinit var getPdf: ActivityResultLauncher<String>
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        findViewById<View>(R.id.tvPdfView).setOnClickListener {
+            val file = File(filesDir, FILE_NAME)
+            val uri = FileProvider
+                .getUriForFile(this, BuildConfig.APPLICATION_ID + ".fileprovider", file)
+            startPdfActivity(uri)
+        }
+
+        getPdf = registerForActivityResult(ActivityResultContracts.GetContent()) {
+            startPdfActivity(it)
+        }
+
+        findViewById<View>(R.id.btnOpenLocalFile).setOnClickListener {
+            getPdf.launch("application/pdf")
+        }
+
+        lifecycleScope.launch(Dispatchers.IO) {
+            readAssetAndMakeCopy()
+        }
+    }
+
+    private fun readAssetAndMakeCopy() {
+        val assetManager = assets
+        var `in`: InputStream? = null
+        var out: OutputStream? = null
+        val file = File(filesDir, FILE_NAME)
+        try {
+            `in` = assetManager.open(FILE_NAME)
+            out = openFileOutput(file.name, Context.MODE_PRIVATE)
+            copyFile(`in`, out)
+            `in`.close()
+            `in` = null
+            out.flush()
+            out.close()
+            out = null
+        } catch (e: Exception) {
+            Log.e("tag", e.message.orEmpty())
+        }
+    }
+
+    @Throws(IOException::class)
+    private fun copyFile(`in`: InputStream, out: OutputStream) {
+        val buffer = ByteArray(1024)
+        var read: Int
+        while (`in`.read(buffer).also { read = it } != -1) {
+            out.write(buffer, 0, read)
+        }
+    }
+
+    private fun startPdfActivity(uri: Uri) {
+        Intent(Intent.ACTION_VIEW).apply {
+            val fileExtension = MimeTypeMap.getFileExtensionFromUrl(uri.toString())
+            val type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension.toLowerCase())
+            setDataAndType(uri, type)
+            addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+
+            startActivity(this)
+        }
+    }
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

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+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>