Create QR-Code for profile URL

app/build.gradle

@@ -190,7 +190,7 @@ dependencies {
     implementation 'androidx.media:media:1.7.0'
     implementation 'com.github.mancj:MaterialSearchBar:0.8.5'
 
-
+    implementation 'com.github.androidmads:QRGenerator:1.0.1'
 
     implementation 'io.noties.markwon:core:4.6.2'
     implementation 'io.noties.markwon:ext-tables:4.6.2'

app/src/main/java/app/fedilab/android/mastodon/activities/ProfileActivity.java

@@ -15,6 +15,10 @@ package app.fedilab.android.mastodon.activities;
  * see <http://www.gnu.org/licenses>. */
 
 
+
+
+import static app.fedilab.android.mastodon.helper.LogoHelper.getMainLogo;
+
 import android.content.BroadcastReceiver;
 import android.content.ClipData;
 import android.content.ClipboardManager;
@@ -23,9 +27,13 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.content.res.ColorStateList;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.graphics.drawable.Animatable;
 import android.graphics.drawable.Drawable;
+import android.net.Uri;
 import android.os.Bundle;
+import android.os.Environment;
 import android.text.SpannableString;
 import android.text.Spanned;
 import android.text.method.LinkMovementMethod;
@@ -39,6 +47,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.view.inputmethod.EditorInfo;
+import android.webkit.URLUtil;
 import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
@@ -62,6 +71,9 @@ import com.bumptech.glide.request.transition.Transition;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.tabs.TabLayout;
 
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.Date;
@@ -72,12 +84,15 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 
+import androidmads.library.qrgenearator.QRGContents;
+import androidmads.library.qrgenearator.QRGEncoder;
 import app.fedilab.android.BaseMainActivity;
 import app.fedilab.android.BuildConfig;
 import app.fedilab.android.R;
 import app.fedilab.android.activities.MainActivity;
 import app.fedilab.android.databinding.ActivityProfileBinding;
 import app.fedilab.android.databinding.NotificationsRelatedAccountsBinding;
+import app.fedilab.android.databinding.PopupQrcodeBinding;
 import app.fedilab.android.databinding.TabProfileCustomViewBinding;
 import app.fedilab.android.mastodon.client.entities.api.Account;
 import app.fedilab.android.mastodon.client.entities.api.Attachment;
@@ -275,6 +290,51 @@ public class ProfileActivity extends BaseActivity {
             }
         });
 
+        binding.qrCodeGenerator.setVisibility(View.VISIBLE);
+
+        binding.qrCodeGenerator.setOnClickListener(v->{
+            QRGEncoder qrgEncoder = new QRGEncoder(account.url, null, QRGContents.Type.TEXT, 400);
+            Drawable logoDrawable = ContextCompat.getDrawable(ProfileActivity.this, R.drawable.fedilab_logo_bubbles);
+            if (logoDrawable != null) {
+                Bitmap bitmap = qrgEncoder.getBitmap();
+                MaterialAlertDialogBuilder alertadd = new MaterialAlertDialogBuilder(ProfileActivity.this);
+                PopupQrcodeBinding popupQrcodeBinding = PopupQrcodeBinding.inflate(getLayoutInflater());
+                popupQrcodeBinding.qrcodeImage.setImageBitmap(bitmap);
+                alertadd.setView(popupQrcodeBinding.getRoot());
+                alertadd.setNeutralButton(R.string.close, (dialog, which) -> dialog.dismiss());
+                alertadd.setPositiveButton(R.string.save, (dlg, which) -> {
+                    File path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
+                    File targeted_folder = new File(path, getString(R.string.app_name));
+                    if (!targeted_folder.exists()) {
+                        boolean created = targeted_folder.mkdir();
+                        if (!created) {
+                            Toasty.error(ProfileActivity.this, getString(R.string.toast_error), Toasty.LENGTH_SHORT).show();
+                            return;
+                        }
+                    }
+                    String fileName = URLUtil.guessFileName(account.url, null, null);
+                    if (fileName.endsWith(".bin")) {
+                        fileName = fileName.replace(".bin", ".png");
+                    }
+                    fileName = fileName.replaceAll("@","");
+                    File backupFile = new File(targeted_folder.getAbsolutePath() + "/" + fileName);
+                    try (FileOutputStream out = new FileOutputStream(backupFile)) {
+                        final Intent intent = new Intent();
+                        intent.setAction(Intent.ACTION_VIEW);
+                        Uri uri = Uri.fromFile(backupFile);
+                        intent.setDataAndType(uri, "image/jpeg");
+                        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
+                        Helper.notify_user(ProfileActivity.this, Helper.getCurrentAccount(ProfileActivity.this), intent, BitmapFactory.decodeResource(getResources(),
+                                getMainLogo(ProfileActivity.this)), Helper.NotifType.STORE, getString(R.string.save_over), getString(R.string.download_from, fileName));
+                        Toasty.success(ProfileActivity.this, getString(R.string.save_over), Toasty.LENGTH_LONG).show();
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                });
+                alertadd.show();
+            }
+
+        });
 
         //Retrieve relationship with the connected account
         List<String> accountListToCheck = new ArrayList<>();

app/src/main/java/app/fedilab/android/mastodon/helper/Helper.java

@@ -219,6 +219,7 @@ public class Helper {
     public static final String ARG_NOTIFICATION_TYPE = "ARG_NOTIFICATION_TYPE";
     public static final String ARG_EXCLUDED_NOTIFICATION_TYPE = "ARG_EXCLUDED_NOTIFICATION_TYPE";
     public static final String ARG_STATUS = "ARG_STATUS";
+    public static final String ARG_QR_CODE_URL = "ARG_QR_CODE_URL";
     public static final String ARG_FOCUSED_STATUS_URI = "ARG_FOCUSED_STATUS_URI";
     public static final String ARG_TIMELINE_REFRESH_ALL = "ARG_TIMELINE_REFRESH_ALL";
     public static final String ARG_REFRESH_NOTFICATION = "ARG_REFRESH_NOTFICATION";

app/src/main/res/layouts/mastodon/drawable/baseline_qr_code_24.xml

@@ -0,0 +1,27 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"  android:tint="?attr/colorControlNormal" android:viewportHeight="24"
+    android:viewportWidth="24" android:width="24dp">
+      
+    <path android:fillColor="@android:color/white" android:pathData="M3,11h8V3H3V11zM5,5h4v4H5V5z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M3,21h8v-8H3V21zM5,15h4v4H5V15z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M13,3v8h8V3H13zM19,9h-4V5h4V9z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M19,19h2v2h-2z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M13,13h2v2h-2z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M15,15h2v2h-2z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M13,17h2v2h-2z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M15,19h2v2h-2z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M17,17h2v2h-2z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M17,13h2v2h-2z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M19,15h2v2h-2z"/>
+    
+</vector>

app/src/main/res/layouts/mastodon/layout/activity_profile.xml

@@ -140,7 +140,22 @@
                     app:layout_constraintStart_toStartOf="@id/banner_container"
                     app:layout_constraintTop_toBottomOf="@id/avatar_container"
                     tools:text="@tools:sample/first_names" />
-
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/qr_code_generator"
+                    style="@style/Widget.Material3.Button.OutlinedButton"
+                    android:layout_width="36dp"
+                    android:layout_height="36dp"
+                    android:layout_marginTop="6dp"
+                    android:layout_marginStart="10dp"
+                    app:iconGravity="textStart"
+                    app:iconPadding="0dp"
+                    android:contentDescription="@string/qr_code_generator"
+                    android:scaleType="fitCenter"
+                    android:visibility="gone"
+                    app:icon="@drawable/baseline_qr_code_24"
+                    app:layout_constraintStart_toEndOf="@id/account_dn"
+                    app:layout_constraintTop_toBottomOf="@id/avatar_container"
+                    tools:visibility="visible" />
                 <androidx.appcompat.widget.LinearLayoutCompat
                     android:id="@+id/account_un_container"
                     android:layout_width="wrap_content"

app/src/main/res/layouts/mastodon/layout/popup_qrcode.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="vertical"
+    android:padding="12dp">
+
+    <ImageView
+        android:contentDescription="@string/qr_code_generator"
+        android:id="@+id/qrcode_image"
+        tools:src="@tools:sample/backgrounds/scenic"
+        android:scaleType="centerInside"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>

app/src/main/res/values/strings.xml

@@ -583,6 +583,7 @@
     <string name="icons_color">Color of bottom icons in timelines</string>
     <string name="logo_of_the_instance">Logo of the instance</string>
     <string name="edit_profile">Edit profile</string>
+    <string name="qr_code_generator">QR generator</string>
     <string name="make_an_action">Make an action</string>
     <string name="translation">Translation</string>
     <string name="text_color_title">Text color</string>