.

.github/workflows/build.yml

@@ -21,10 +21,10 @@ jobs:
       run: chmod +x gradlew
 
     - name: Build
-      run: ./gradlew assembleDebug
+      run: ./gradlew assembleRelease
 
     - name: Upload APK
       uses: actions/upload-artifact@v4
       with:
-        name: app.apk
-        path: ./app/build/outputs/apk/debug/app-debug.apk
+        name: release.apk
+        path: ./app/build/outputs/apk/release/app-release.apk

app/build.gradle

@@ -1,18 +1,19 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion 35
 
     defaultConfig {
-        applicationId "com.example.app"
+        applicationId "com.example.webapp"
         minSdkVersion 21
-        targetSdkVersion 31
+        targetSdkVersion 35
         versionCode 1
         versionName "1.0"
     }
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }

app/proguard-rules.pro

@@ -15,3 +15,14 @@
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
+
+
+-keep class com.example.webapp.** { *; }
+-keep class android.webkit.** { *; }
+-keepclassmembers class * {
+    @android.webkit.JavascriptInterface <methods>;
+}
+-keep class * implements android.os.Parcelable { 
+    public static final android.os.Parcelable$Creator *; 
+}
+-keep class **.R$* { *; }

app/src/main/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest
-    package="com.example.app"
+    package="com.example.webapp"
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
     <uses-permission android:name="android.permission.INTERNET" />
@@ -12,7 +12,7 @@
         tools:ignore="GoogleAppIndexingWarning">
         <activity
             android:configChanges="orientation|screenSize"
-            android:name="com.example.app.MainActivity"
+            android:name="com.example.webapp.MainActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/com/example/app/MainActivity.java → app/src/main/java/com/example/webapp/MainActivity.java

@@ -1,4 +1,4 @@
-package com.example.app;
+package com.example.webapp;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
@@ -77,10 +77,10 @@ public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathC
         });
 
         // REMOTE RESOURCE
-        mWebView.loadUrl("https://example.com");
+        mWebView.loadUrl("https://github.com/htr-tech");
 
         // LOCAL RESOURCE
-        mWebView.loadUrl("file:///android_asset/index.html");
+        // mWebView.loadUrl("file:///android_asset/index.html");
     }
 
     @Override
@@ -112,26 +112,26 @@ public boolean shouldOverrideUrlLoading(WebView view, String url) {
                 // Mostrar um diálogo de confirmação antes de iniciar o download
                 new AlertDialog.Builder(MainActivity.this)
                         .setTitle("Download")
-                        .setMessage("Deseja baixar o arquivo?")
-                        .setPositiveButton("Sim", new DialogInterface.OnClickListener() {
+                        .setMessage("Do you want to download the file?")
+                        .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                             public void onClick(DialogInterface dialog, int which) {
                                 DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
                                 String cookies = CookieManager.getInstance().getCookie(url);
                                 String fileName = URLUtil.guessFileName(url, null, null);
                                 request.addRequestHeader("cookie", cookies);
                                 request.addRequestHeader("User-Agent", view.getSettings().getUserAgentString());
-                                request.setDescription("Baixando arquivo...");
+                                request.setDescription("Downloading file...");
                                 request.setTitle(fileName);
                                 request.allowScanningByMediaScanner();
                                 request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
                                 request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
 
                                 DownloadManager dm = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
                                 dm.enqueue(request);
-                                Toast.makeText(getApplicationContext(), "Baixando arquivo...", Toast.LENGTH_LONG).show();
+                                Toast.makeText(getApplicationContext(), "Downloading file...", Toast.LENGTH_LONG).show();
                             }
                         })
-                        .setNegativeButton("Não", new DialogInterface.OnClickListener() {
+                        .setNegativeButton("No", new DialogInterface.OnClickListener() {
                             public void onClick(DialogInterface dialog, int which) {
                                 dialog.dismiss();
                             }

app/src/main/java/com/example/app/MyWebViewClient.java → app/src/main/java/com/example/webapp/MyWebViewClient.java

@@ -1,4 +1,4 @@
-package com.example.app;
+package com.example.webapp;
 
 import android.content.Intent;
 import android.net.Uri;
@@ -12,7 +12,7 @@ public boolean shouldOverrideUrlLoading(WebView view, String url) {
         String hostname;
 
         // YOUR HOSTNAME
-        hostname = "example.com";
+        hostname = "github.com";
 
         Uri uri = Uri.parse(url);
         if (url.startsWith("file:") || uri.getHost() != null && uri.getHost().endsWith(hostname)) {