From 9a642201ecc066a54242e11d65b32874435cc692 Mon Sep 17 00:00:00 2001
From: Alexander Kuznetsov <a.kuznetsov@pmobi.tech>
Date: Tue, 22 Sep 2020 14:45:45 +0700
Subject: [PATCH 1/2] Implement setPointOfInterest method for iOS

---
 ios/Classes/CameraPlugin.m | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/ios/Classes/CameraPlugin.m b/ios/Classes/CameraPlugin.m
index abccf89..8e26ac1 100644
--- a/ios/Classes/CameraPlugin.m
+++ b/ios/Classes/CameraPlugin.m
@@ -746,6 +746,20 @@ - (void)setAutoFocus:(BOOL)enable
     [_captureDevice unlockForConfiguration];
 }
 
+-(void) setPointOfInterest:(CGPoint)point {      
+    if ([_captureDevice isFocusPointOfInterestSupported]) {
+
+        NSError *error;
+
+        if ([_captureDevice lockForConfiguration:&error]) {       
+            [_captureDevice setFocusPointOfInterest:point];             
+            [_captureDevice setFocusMode:AVCaptureFocusModeAutoFocus];              
+            [_captureDevice unlockForConfiguration];                
+        } else {                
+            NSLog(@"Error in Focus Mode");
+        }        
+    }
+
 - (void)zoom:(double)zoom {
 
     NSError *error = nil;
@@ -997,6 +1011,11 @@ - (void)handleMethodCallAsync:(FlutterMethodCall *)call result:(FlutterResult)re
     result(nil);
   } else if ([@"autoExposureOff" isEqualToString:call.method]) {
     [_camera setAutoExposureMode:false];
+  } else if([@"setPointOfInterest" isEqualToString:call.method]) {
+    NSNumber *dx = call.arguments[@"offsetX"];
+    NSNumber *dy = call.arguments[@"offsetY"];
+    CGPoint point = CGPointMake(dx.floatValue, dy.floatValue);
+    [_camera setPointOfInterest:point];
   } else if ([@"zoom" isEqualToString:call.method]){
       NSNumber *step = call.arguments[@"step"];
       [_camera zoom:[step doubleValue]];

From 05641544b9b9c205e579c9fe1eff5e3a23a10d5d Mon Sep 17 00:00:00 2001
From: Alexander Kuznetsov <a.kuznetsov@pmobi.tech>
Date: Tue, 22 Sep 2020 14:46:17 +0700
Subject: [PATCH 2/2] Fix example

---
 example/lib/main.dart | 27 ++++++++++++++-------------
 example/pubspec.yaml  |  2 +-
 2 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/example/lib/main.dart b/example/lib/main.dart
index 05209d1..6aac3c4 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -88,17 +88,19 @@ class _CameraExampleHomeState extends State<CameraExampleHome>
               child: Padding(
                 padding: const EdgeInsets.all(1.0),
                 child: Center(
-                    child: ZoomableWidget(
-                        child: _cameraPreviewWidget(),
-                        onTapUp: (scaledPoint) {
-                          //controller.setPointOfInterest(scaledPoint);
-                        },
-                        onZoom: (zoom) {
-                          print('zoom');
-                          if (zoom < 11) {
-                            controller.zoom(zoom);
-                          }
-                        })),
+                  child: ZoomableWidget(
+                    child: _cameraPreviewWidget(),
+                    onTapUp: (scaledPoint) {
+                      controller.setPointOfInterest(scaledPoint);
+                    },
+                    onZoom: (zoom) {
+                      print('zoom');
+                      if (zoom < 11) {
+                        controller.zoom(zoom);
+                      }
+                    },
+                  ),
+                ),
               ),
               decoration: BoxDecoration(
                 color: Colors.black,
@@ -623,8 +625,7 @@ class _ZoomableWidgetState extends State<ZoomableWidget> {
           final Offset localPoint = box.globalToLocal(det.globalPosition);
           final Offset scaledPoint =
               localPoint.scale(1 / box.size.width, 1 / box.size.height);
-          // TODO IMPLIMENT
-          // widget.onTapUp(scaledPoint);
+          widget.onTapUp(scaledPoint);
         },
         child: Stack(children: [
           Column(
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index e1de173..d0a88be 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -2,7 +2,7 @@ name: camera_example
 description: Demonstrates how to use the camera plugin.
 
 dependencies:
-  camera:
+  flutter_better_camera:
     path: ../
   path_provider: ^0.5.0
   flutter: