完善帐号回复过程

.idea/deploymentTargetDropDown.xml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="deploymentTargetDropDown">
-    <targetSelectedWithDropDown>
-      <Target>
-        <type value="QUICK_BOOT_TARGET" />
-        <deviceKey>
-          <Key>
-            <type value="VIRTUAL_DEVICE_PATH" />
-            <value value="$USER_HOME$/.android/avd/Pixel_4_API_28_2.avd" />
-          </Key>
-        </deviceKey>
-      </Target>
-    </targetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2022-09-09T05:20:37.906784Z" />
-  </component>
-</project>

.idea/misc.xml

@@ -6,6 +6,8 @@
         <entry key="..\:/Project/cocos_android/res/drawable/ic_launcher_background.xml" value="0.239" />
         <entry key="..\:/Project/cocos_android/res/drawable/qr_background.xml" value="0.239" />
         <entry key="..\:/Project/cocos_android/res/mipmap-anydpi-v26/ic_launcher.xml" value="0.239" />
+        <entry key="app/src/main/res/drawable/round_btn.xml" value="0.18" />
+        <entry key="app/src/main/res/layout/custom_capture_activity.xml" value="0.1838768115942029" />
         <entry key="app/src/main/res/layout/qr_vew.xml" value="0.125" />
         <entry key="app/src/main/res/layout/qrcode_view.xml" value="0.1421875" />
         <entry key="res/drawable/ic_launcher_background.xml" value="0.225" />

Classes/JcWallet.cpp

@@ -174,17 +174,16 @@ NS_CC_BEGIN
     }
 
     void JcWallet::tickRun() {
+        _performMutex.lock();
         if( !_functionsToPerform.empty() ) {
-            _performMutex.lock();
             // fixed #4123: Save the callback functions, they must be invoked after '_performMutex.unlock()', otherwise if new functions are added in callback, it will cause thread deadlock.
             auto temp = _functionsToPerform;
-            _functionsToPerform.clear();
-            _performMutex.unlock();
             for( const auto &function : temp ) {
                 function();
             }
-
+            _functionsToPerform.clear();
         }
+        _performMutex.unlock();
     }
 
     void JcWallet::jsToUnity(std::string funId, std::string msg) {

app/AndroidManifest.xml

@@ -14,6 +14,17 @@
         <!-- Tell Cocos2dxActivity the name of our .so -->
         <meta-data android:name="android.app.lib_name"
             android:value="cocos2djs" />
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="com.cege.games.release.provider"
+            android:exported="false"
+            android:grantUriPermissions="true"
+            tools:replace="android:authorities">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/app_files"
+                tools:replace="android:resource" />
+        </provider>
         <activity android:name=".MainActivity"
             android:screenOrientation="sensorLandscape"
             android:exported="true"
@@ -99,11 +110,12 @@
     <uses-permission android:name="android.permission.CAPTURE_VIDEO_OUTPUT"
         tools:ignore="ProtectedPermissions" />
 
-    <uses-permission
+    <uses-permission android:name="android.permission.USE_BIOMETRIC" />
-        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
-        android:maxSdkVersion="18" />
     <uses-permission
         android:name="android.permission.READ_EXTERNAL_STORAGE"
-        android:maxSdkVersion="18" />
+        android:maxSdkVersion="32" />
-    <uses-permission android:name="android.permission.USE_BIOMETRIC" />
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="29" />
 </manifest>

app/src/com/cege/games/release/MainActivity.java

@@ -8,6 +8,7 @@ import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
+import android.os.Build;
 import android.os.Bundle;
 import android.provider.MediaStore;
 import android.text.TextUtils;
@@ -15,6 +16,7 @@ import android.util.Log;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.Window;
+import android.widget.Toast;
 
 import com.cege.games.release.activity.CustomCaptureActivity;
 import com.cege.games.release.dialog.QRCodeActivity;
@@ -29,6 +31,7 @@ import com.google.android.gms.tasks.Task;
 import com.jc.jcfw.JcSDK;
 import com.jc.jcfw.appauth.AuthStateManager;
 import com.jc.jcfw.appauth.JConfiguration;
+import com.jc.jcfw.util.FileUtils;
 import com.king.zxing.CameraScan;
 import com.king.zxing.util.CodeUtils;
 import com.king.zxing.util.LogUtils;
@@ -77,6 +80,7 @@ public class MainActivity extends Activity
 
   public static MainActivity app;
   protected UnityPlayer mUnityPlayer;
+  private Toast toast;
 
   public static final String KEY_TITLE = "key_title";
   public static final String KEY_IS_QR_CODE = "key_code";
@@ -93,8 +97,11 @@ public class MainActivity extends Activity
   public static final int RC_CAMERA = 0X011;
 
   public static final int RC_READ_PHOTO = 0X012;
+
+  public static final int RC_LOAD_KEY = 0X013;
   private String title;
   private String funId;
+  private String oid;
 
   private QRCodeActivity qrCodeActivity;
 
@@ -361,9 +368,11 @@ public class MainActivity extends Activity
   @Override
   public void onPermissionsDenied(int requestCode, List<String> list) {
     // Some permissions have been denied
-    if (requestCode ==RC_CAMERA && null != funId && !"".equals(funId)) {
+    if ((requestCode == RC_CAMERA || requestCode == RC_READ_PHOTO) && null != funId && !"".equals(funId)) {
       JcSDK.csCallback(funId, "{errcode: 1, errmsg: 'no camera permission'}");
       funId = "";
+    } else if (requestCode == RC_LOAD_KEY) {
+      showQRScan(funId, "Scan QRCode for restore key.");
     }
   }
 
@@ -384,6 +393,27 @@ public class MainActivity extends Activity
           RC_CAMERA, perms);
     }
   }
+  @AfterPermissionGranted(RC_LOAD_KEY)
+  private void checkImagePermissions() {
+    String[] perms;
+    if (Build.VERSION.SDK_INT >= 33) {
+      perms = new String[]{"android.permission.READ_MEDIA_IMAGES"};
+    } else {
+      perms = new String[]{Manifest.permission.READ_EXTERNAL_STORAGE};
+    }
+    if (EasyPermissions.hasPermissions(this, perms)) {
+      Bitmap bitmap = FileUtils.loadImgData(this, oid);
+      if (bitmap != null) {
+        parsePhotoData(bitmap);
+      } else {
+        showQRScan(funId, "Scan QRCode for restore key.");
+      }
+    } else {
+      // Do not have permissions, request them now
+      EasyPermissions.requestPermissions(this, "Load Wallet restore key need read_media_images",
+          RC_LOAD_KEY, perms);
+    }
+  }
 
   /**
    * scan qrcode
@@ -407,23 +437,25 @@ public class MainActivity extends Activity
   private void parsePhoto(Intent data){
     try {
       Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(),data.getData());
-      asyncThread(() -> {
+      parsePhotoData(bitmap);
-        final String result = CodeUtils.parseQRCode(bitmap);
-        if (null == result || "".equals(result)) {
-          JcSDK.scanQrCb(funId, "no qrdeata", null);
-        } else {
-          LogUtils.d("result:" + result);
-          JcSDK.scanQrCb(funId, null, result);
-        }
-        funId = "";
-      });
 
     } catch (Exception e) {
       e.printStackTrace();
       JcSDK.scanQrCb(funId, e.toString(), null);
       funId = "";
     }
-
+  }
+  private void parsePhotoData(Bitmap bitmap) {
+    asyncThread(() -> {
+      final String result = CodeUtils.parseQRCode(bitmap);
+      if (null == result || "".equals(result)) {
+        JcSDK.scanQrCb(funId, "no qrdeata", null);
+      } else {
+        LogUtils.d("result:" + result);
+        JcSDK.scanQrCb(funId, null, result);
+      }
+      funId = "";
+    });
   }
 
   public void showQRScan(String funId, String title) {
@@ -432,6 +464,12 @@ public class MainActivity extends Activity
     checkCameraPermissions();
   }
 
+  public void loadRestoreKey(String fundId, String oid) {
+    this.funId = fundId;
+    this.oid = oid;
+    checkImagePermissions();
+  }
+
   /**
    * start image scan
    */
@@ -443,14 +481,14 @@ public class MainActivity extends Activity
   }
 
   // end of qrcode
-
   public void signWithGoogle(String funId) {
     this.funId = funId;
     if (GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(this) == ConnectionResult.SUCCESS) {
       GoogleSignInAccount account = GoogleSignIn.getLastSignedInAccount(this);
       if (account != null) {
         Log.w(TAG, "already login: " + account.getIdToken());
-        runOnUiThread(() -> verifyGoogleIDToken(account.getIdToken()));
+        mGoogleSignInClient.silentSignIn()
+            .addOnCompleteListener(this, this::handleSignInResult);
       } else {
         Intent signInIntent = mGoogleSignInClient.getSignInIntent();
         startActivityForResult(signInIntent, RC_SIGN_IN);
@@ -754,13 +792,25 @@ public class MainActivity extends Activity
   }
 
 
-  public void showQRCode(String funid, String str, String title) {
+  public void showQRCode(String funid, String str, String title, String oid) {
     runOnUiThread(() -> {
       if (qrCodeActivity == null) {
         qrCodeActivity = new QRCodeActivity(getContext());
       }
-      qrCodeActivity.showQRCode(str, title);
+      qrCodeActivity.showQRCode(str, title, oid);
       qrCodeActivity.show();
     });
   }
+
+  public void showToast(String text) {
+    runOnUiThread(() -> {
+      if(toast == null){
+        toast = Toast.makeText(this,text,Toast.LENGTH_SHORT);
+      }else{
+        toast.setDuration(Toast.LENGTH_SHORT);
+        toast.setText(text);
+      }
+      toast.show();
+    });
+  }
 }

app/src/com/cege/games/release/WorkerFileProvider.java

@@ -0,0 +1,7 @@
+package com.cege.games.release;
+
+import androidx.core.content.FileProvider;
+
+public class WorkerFileProvider extends FileProvider {
+
+}

app/src/com/cege/games/release/dialog/QRCodeActivity.java

@@ -4,11 +4,14 @@ import android.app.Dialog;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.cege.games.release.MainActivity;
 import com.cege.games.release.R;
+import com.jc.jcfw.util.FileUtils;
 import com.king.zxing.util.CodeUtils;
 
 public class QRCodeActivity extends Dialog {
@@ -16,6 +19,9 @@ public class QRCodeActivity extends Dialog {
   private final Context baseContent;
   private TextView titleLabel;
   private ImageView ivCode;
+  private String oid;
+  private Bitmap bitmap;
+  private Button localBtn;
 
 
   public QRCodeActivity(Context context) {
@@ -29,17 +35,31 @@ public class QRCodeActivity extends Dialog {
     setContentView(R.layout.qrcode_view);
     ivCode = findViewById(R.id.ivCode);
     titleLabel = findViewById(R.id.qrTitleLabel);
+    localBtn = findViewById(R.id.qrSaveBtn);
+    if (oid != null && !"".equals(oid)) {
+      localBtn.setVisibility(View.VISIBLE);
+    } else {
+      localBtn.setVisibility(View.INVISIBLE);
+    }
+    localBtn.setOnClickListener(v -> onClickSaveImg());
   }
 
-  public void showQRCode(String content, String title){
+  public void showQRCode(String content, String title, String _oid){
+    oid = _oid;
+    if (localBtn != null && oid != null && !"".equals(oid)) {
+      localBtn.setVisibility(View.VISIBLE);
+    }
     new Thread(() -> {
 //      Bitmap logo = BitmapFactory.decodeResource(baseContent.getResources(),R.drawable.zxl_flashlight_on);
-      Bitmap bitmap =  CodeUtils.createQRCode(content,600, null);
+      bitmap =  CodeUtils.createQRCode(content,500, null);
       MainActivity.app.runOnUiThread(()->{
         titleLabel.setText(title);
         ivCode.setImageBitmap(bitmap);
       });
     }).start();
+  }
 
+  protected void onClickSaveImg(){
+    new Thread(() -> FileUtils.saveBitmap(baseContent, oid, bitmap)).start();
   }
 }

app/src/com/jc/jcfw/JcSDK.java

@@ -67,10 +67,13 @@ public class JcSDK {
       MainActivity.app.startActivity(i);
     }
   }
-  public static void showQRCode(String funid, String content, String title) { MainActivity.app.showQRCode(funid, content, title);}
+  public static void showQRCode(String funid, String content, String title, String oid) { MainActivity.app.showQRCode(funid, content, title, oid);}
   public static void scanQRCode(String funid, String title) {
     MainActivity.app.showQRScan(funid, title);
   }
+  public static void loadRestoreKey(String funid, String oid) {
+    MainActivity.app.loadRestoreKey(funid, oid);
+  }
 
   public static void signWithGoogle(String funid) {
     MainActivity.app.signWithGoogle(funid);

app/src/com/jc/jcfw/util/FileUtils.java

@@ -0,0 +1,217 @@
+package com.jc.jcfw.util;
+
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Environment;
+import android.provider.MediaStore;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class FileUtils {
+  private static final String TAG = FileUtils.class.getSimpleName();
+  /**
+   * check if path specificed exists, create it if not exists
+   *
+   * @param fileName path
+   * @return TRUE or FALSE
+   */
+  static boolean fileIsExist(String fileName) {
+    File file = new File(fileName);
+    if (file.exists())
+      return true;
+    else {
+      return file.mkdirs();
+    }
+  }
+
+  /**
+   *  get image base path of external storage
+   */
+  public static String getPath(Context context) {
+    String fileName = "";
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+      fileName = context.getExternalFilesDir("").getAbsolutePath() + "/current/";
+    } else {
+      if ("Xiaomi".equalsIgnoreCase(Build.BRAND)) {
+        fileName = Environment.getExternalStorageDirectory().getPath() + "/DCIM/Camera/";
+      } else if ("HUAWEI".equalsIgnoreCase(Build.BRAND)) {
+        fileName = Environment.getExternalStorageDirectory().getPath() + "/DCIM/Camera/";
+      } else if ("HONOR".equalsIgnoreCase(Build.BRAND)) {
+        fileName = Environment.getExternalStorageDirectory().getPath() + "/DCIM/Camera/";
+      } else if ("OPPO".equalsIgnoreCase(Build.BRAND)) {
+        fileName = Environment.getExternalStorageDirectory().getPath() + "/DCIM/Camera/";
+      } else if ("vivo".equalsIgnoreCase(Build.BRAND)) {
+        fileName = Environment.getExternalStorageDirectory().getPath() + "/DCIM/Camera/";
+      } else if ("samsung".equalsIgnoreCase(Build.BRAND)) {
+        fileName = Environment.getExternalStorageDirectory().getPath() + "/DCIM/Camera/";
+      } else {
+        fileName = Environment.getExternalStorageDirectory().getPath() + "/DCIM/";
+      }
+    }
+    File file = new File(fileName);
+    if (file.mkdirs()) {
+      return fileName;
+    }
+    return fileName;
+  }
+
+  public static String insertImageIntoGallery(ContentResolver cr, Bitmap source, String filename, String title) {
+    ContentValues values = new ContentValues();
+    values.put(MediaStore.Images.Media.TITLE, title);
+    values.put(MediaStore.Images.Media.DISPLAY_NAME, title);
+    values.put(MediaStore.Images.Media.DESCRIPTION, title);
+    values.put(MediaStore.Images.Media.MIME_TYPE, "image/jpeg");
+    // Add the date meta data to ensure the image is added at the front of the gallery
+    values.put(MediaStore.Images.Media.DATE_ADDED, System.currentTimeMillis());
+    values.put(MediaStore.Images.Media.DATE_TAKEN, System.currentTimeMillis());
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+      values.put(MediaStore.Video.Media.IS_PENDING, 1);
+    }
+
+    Uri url = null;
+    String stringUrl = null;    /* value to be returned */
+
+    try {
+      url = cr.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
+
+      if (source != null) {
+        OutputStream imageOut = cr.openOutputStream(url);
+        try {
+          source.compress(Bitmap.CompressFormat.JPEG, 100, imageOut);
+        } finally {
+          imageOut.close();
+          if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            values.put(MediaStore.Video.Media.IS_PENDING, 0);
+            cr.update(url, values, null, null);
+          }
+        }
+      } else {
+        cr.delete(url, null, null);
+        return storeToAlternateSd(source, filename);
+        // url = null;
+      }
+    } catch (Exception e) {
+      if (url != null) {
+        cr.delete(url, null, null);
+        return storeToAlternateSd(source, filename);
+        // url = null;
+      }
+    }
+    if (url != null) {
+      stringUrl = url.toString();
+    }
+
+    return stringUrl;
+  }
+
+  /**
+   * If we have issues saving into our MediaStore, save it directly to our SD card. We can then interact with this file
+   * directly, opposed to pulling from the MediaStore. Again, this is a backup method if things don't work out as we
+   * would expect (seeing as most devices will have a MediaStore).
+   *
+   * @param src
+   * @return - the file's path
+   */
+  private static String storeToAlternateSd(Bitmap src, String filename){
+    if(src == null)
+      return null;
+
+    File sdCardDirectory = new File(Environment.getExternalStorageDirectory() + File.separator + "My Cards");
+    if(!sdCardDirectory.exists())
+      sdCardDirectory.mkdir();
+
+    File image = new File(sdCardDirectory, filename + ".jpg");
+    try {
+      FileOutputStream imageOut = new FileOutputStream(image);
+      src.compress(Bitmap.CompressFormat.JPEG, 100, imageOut);
+      imageOut.close();
+      return image.getAbsolutePath();
+    } catch (IOException ex) {
+      ex.printStackTrace();
+      return null;
+    }
+  }
+  /*
+   * save bitmap to system gallery
+   */
+  public static void saveBitmap(Context activity, String oid, Bitmap bitmap) {
+    String title = "wallet_key_" + oid;
+    String imageName = "wallet_key_" + oid;
+    String uri = insertImageIntoGallery(activity.getContentResolver(), bitmap, imageName, title);
+    Log.i(TAG, "save image success: " + uri);
+  }
+
+
+  public static Bitmap loadImgData(Context activity, String oid) {
+    Uri uri = readImageFromGallery(activity, oid);
+    Bitmap data;
+    try {
+      data = MediaStore.Images.Media.getBitmap(activity.getContentResolver(),uri);
+    } catch (IOException e) {
+      data = readImageFromExt(oid);
+    }
+    return data;
+  }
+
+  public static Bitmap readImageFromExt(String oid) {
+    File sdCardDirectory = new File(Environment.getExternalStorageDirectory() + File.separator + "My Cards");
+    String imageName = "wallet_key_" + oid;
+    File file = new File(sdCardDirectory, imageName + ".jpg");
+    if (!file.exists()) {
+      return null;
+    }
+    Bitmap bitmap = null;
+    try {
+      bitmap = BitmapFactory.decodeFile(file.getPath());
+    } catch (Exception e) {
+      e.printStackTrace();
+    }
+    return bitmap;
+  }
+
+  public static Uri readImageFromGallery(Context activity, String oid) {
+    String filename = "wallet_key_" + oid;
+    Uri uri;
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+      uri = MediaStore.Images.Media.getContentUri(MediaStore.VOLUME_EXTERNAL);
+    } else {
+      uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
+    }
+    Uri result = null;
+    String[] projection = {MediaStore.Images.Media._ID,
+        MediaStore.Images.Media.DATA,
+        MediaStore.Images.Media.DISPLAY_NAME};
+    final String orderBy = MediaStore.Images.Media.DATE_ADDED;
+    Cursor cursor = activity.getContentResolver().query(uri, projection, null, null, orderBy + " DESC");
+    String imageName = "wallet_key_" + oid;
+    if (cursor != null) {
+      int nameColumn = cursor.getColumnIndex(MediaStore.Images.Media.DISPLAY_NAME);
+      int idColumn = cursor.getColumnIndex(MediaStore.Images.Media._ID);
+      int dataColumn = cursor.getColumnIndex(MediaStore.Images.Media.DATA);
+      while (cursor.moveToNext()) {
+        String name = cursor.getString(nameColumn);
+        long id = cursor.getLong(idColumn);
+        Log.i(TAG, "img name: " + name + " id: " + id);
+        if (name.contains(imageName)) {
+          String data = cursor.getString(dataColumn);
+          result = ContentUris.withAppendedId(MediaStore.Images.Media.getContentUri(MediaStore.VOLUME_EXTERNAL), id);
+          Log.i(TAG, "img name: " + name + " id: " + id + " data:" + data);
+          break;
+        }
+      }
+      cursor.close();
+    }
+    return result;
+  }
+}

app/src/main/res/drawable/round_btn.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<shape
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <!-- 填充的颜色 -->
+    <solid android:color="#ffae00" />
+
+    <!-- 圆角的半径 -->
+    <corners android:radius="10dp" />
+</shape>

app/src/main/res/layout/custom_capture_activity.xml

@@ -34,6 +34,7 @@
     <TextView
         android:id="@+id/scanQrTitleLabel"
         android:text="sample label"
+        android:textColor="@color/white"
         android:gravity="center_horizontal"
         android:layout_marginTop="20dp"
         android:layout_width="match_parent"
@@ -43,20 +44,21 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
         />
+
     <Button
         android:id="@+id/qrLocalBtn"
-        android:text="Select Image Local"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        app:layout_constraintLeft_toLeftOf="parent"
+        android:layout_marginTop="280dp"
-        app:layout_constraintRight_toRightOf="parent"
+        android:background="@drawable/round_btn"
-        app:layout_constraintTop_toTopOf="parent"
+        android:minHeight="32dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        android:layout_marginTop="300dp"
-        android:background="#FF9800"
         android:paddingLeft="15dp"
         android:paddingRight="15dp"
         android:paddingVertical="5dp"
-        android:textColor="@color/white"
+        android:text="Select Image Local"
-        />
+        android:textColor="#0D47A1"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/qrcode_view.xml

@@ -1,21 +1,49 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+
-    android:background="@drawable/qr_background"
+<androidx.constraintlayout.widget.ConstraintLayout
-    android:orientation="vertical"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+
     <ImageView
         android:id="@+id/ivCode"
-        android:layout_width="match_parent"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentBottom="true"
+        app:layout_constraintLeft_toLeftOf="parent"
-        android:layout_centerHorizontal="true"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
         />
+
     <TextView
         android:id="@+id/qrTitleLabel"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:gravity="center_horizontal"
         android:text="sample label"
-        android:gravity="center"
+        android:textColor="#0D47A1"
-        android:layout_width="match_parent"
+        app:layout_constraintBottom_toTopOf="@id/ivCode"
-        android:layout_height="match_parent"/>
+        app:layout_constraintLeft_toLeftOf="parent"
-</LinearLayout>
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/qrSaveBtn"
+        android:gravity="center_horizontal"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="@drawable/round_btn"
+        android:minHeight="32dp"
+        android:paddingLeft="15dp"
+        android:paddingRight="15dp"
+        android:paddingVertical="5dp"
+        android:text="Save Image to Local"
+        android:textColor="#0D47A1"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/ivCode" />
+</androidx.constraintlayout.widget.ConstraintLayout>

res/values/styles.xml

@@ -13,7 +13,7 @@
     <item name="android:windowFrame">@null</item>
     <item name="android:windowBackground">@color/white</item>
     <item name="android:windowNoTitle">true</item>
-    <item name="android:windowIsFloating">false</item>
+    <item name="android:windowIsFloating">true</item>
     <item name="android:windowContentOverlay">@color/white</item>
 </style>
 <style name="Dialog_bottom_enter_ani">

res/xml/app_files.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <paths xmlns:android="http://schemas.android.com/apk/res/android">
+        <external-path
+            name="external_files"
+            path="" />
+        <path>
+            <root-path
+                name="root_path"
+                path="." />
+        </path>
+
+        <external-path
+            name="camera_photos"
+            path="" />
+
+        <external-path
+            name="external_storage_root"
+            path="." />
+        <grant-uri-permission
+            android:path="string"
+            android:pathPattern="string"
+            android:pathPrefix="string" />
+    </paths>
+</resources>