Fix resizing an image causes jagged lines on Android

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+### Change (v4.6.5)
+
+## 2020-04-11
+
+- Fix resizing an image causes jagged lines on Android
+
 ### Change (v4.6.5+rc.1)
 
 ## 2020-03-27

android/build.gradle

@@ -1,5 +1,5 @@
 group 'com.vitanov.multiimagepicker'
-version '4.6.4'
+version '4.6.5'
 
 buildscript {
     repositories {

android/src/main/java/com/vitanov/multiimagepicker/MultiImagePickerPlugin.java

@@ -116,7 +116,7 @@ protected ByteBuffer doInBackground(String... strings) {
                 Activity activity = activityReference.get();
                 if (activity == null || activity.isFinishing()) return null;
 
-                Bitmap sourceBitmap = getCorrectlyOrientedImage(activity, uri);
+                Bitmap sourceBitmap = getCorrectlyOrientedImage(activity, uri, this.width, this.height);
                 Bitmap bitmap = ThumbnailUtils.extractThumbnail(sourceBitmap, this.width, this.height, OPTIONS_RECYCLE_INPUT);
 
                 if (bitmap == null) return null;
@@ -746,6 +746,56 @@ private static Bitmap getCorrectlyOrientedImage(Context context, Uri photoUri) t
         return srcBitmap;
     }
 
+    private static Bitmap getCorrectlyOrientedImage(Context context, Uri photoUri, int width, int height) throws IOException {
+        int orientation = getOrientation(context, photoUri);
+
+        BitmapFactory.Options options = new BitmapFactory.Options();
+        options.inJustDecodeBounds = true;
+
+        InputStream is = context.getContentResolver().openInputStream(photoUri);
+        BitmapFactory.decodeStream(is, null, options);
+        if (is != null) {
+            is.close();
+        }
+
+        options.inJustDecodeBounds = false;
+        options.inDither = false;
+        options.inSampleSize = calculateInSampleSize(options, width,height);
+        options.inScaled = false;
+        options.inPreferredConfig = Bitmap.Config.ARGB_8888;
+
+        InputStream is2 = context.getContentResolver().openInputStream(photoUri);
+        Bitmap srcBitmap =  BitmapFactory.decodeStream(is2, null, options);
+        if (is2 != null) {
+            is2.close();
+        }
+
+        if (orientation > 0) {
+            Matrix matrix = new Matrix();
+            matrix.postRotate(orientation);
+
+            srcBitmap = Bitmap.createBitmap(srcBitmap, 0, 0, srcBitmap.getWidth(),
+                    srcBitmap.getHeight(), matrix, true);
+        }
+
+        return srcBitmap;
+    }
+
+    private static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
+        final int width = options.outWidth;
+        final int height = options.outHeight;
+        int inSampleSize = 1;
+
+        if (width > reqWidth || height > reqHeight) {
+            if (width > height) {
+                inSampleSize = Math.round((float) height / (float) reqHeight);
+            } else {
+                inSampleSize = Math.round((float) width / (float) reqWidth);
+            }
+        }
+        return inSampleSize;
+    }
+
     private void finishWithSuccess(List imagePathList) {
         if (pendingResult != null)
             pendingResult.success(imagePathList);

docs/gettingstarted.md

@@ -10,7 +10,7 @@ The first thing we need to do is add the multi_image_picker package to our `pubs
 
 ```yaml
 dependencies:
-  multi_image_picker: ^4.6.4
+  multi_image_picker: ^4.6.5
 ```
 
 Next we need to install the plugin.

example/ios/Flutter/flutter_export_environment.sh

@@ -2,10 +2,9 @@
 # This is a generated file; do not edit or check into version control.
 export "FLUTTER_ROOT=/Users/radoslav/Projects/flutter"
 export "FLUTTER_APPLICATION_PATH=/Users/radoslav/Projects/multi_image_picker/example"
-export "FLUTTER_TARGET=/Users/radoslav/Projects/multi_image_picker/example/lib/main.dart"
+export "FLUTTER_TARGET=lib/main.dart"
 export "FLUTTER_BUILD_DIR=build"
 export "SYMROOT=${SOURCE_ROOT}/../build/ios"
 export "FLUTTER_FRAMEWORK_DIR=/Users/radoslav/Projects/flutter/bin/cache/artifacts/engine/ios"
 export "FLUTTER_BUILD_NAME=1.0.0"
 export "FLUTTER_BUILD_NUMBER=1"
-export "TRACK_WIDGET_CREATION=true"

ios/multi_image_picker.podspec

@@ -3,7 +3,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'multi_image_picker'
-  s.version          = '4.6.4'
+  s.version          = '4.6.5'
   s.summary          = 'Multi image picker'
   s.description      = <<-DESC
 A new flutter plugin project.

pubspec.yaml

@@ -1,6 +1,6 @@
 name: multi_image_picker
 description: Flutter plugin that allows you to display multi image picker on iOS and Android.
-version: 4.6.5+rc.1
+version: 4.6.5
 homepage: https://github.com/Sh1d0w/multi_image_picker
 
 dependencies: