Merge branch 'pr/11'

README.md

@@ -27,6 +27,7 @@ Arguments:
         text_instructions: "OPTIONAL Instruction Text - default = 'Please point your camera at the QR code.'", // Android only
         camera: "front" || "back" // defaults to "back"
         flash: "on" || "off" || "auto" // defaults to "auto". See Quirks
+        drawSight: true || false //defaults to true, create a red sight/line in the center of the scanner view.
     }
     ```
 

android/ZBarScannerActivity.java

@@ -18,6 +18,7 @@ import android.util.Log;
 import android.view.Gravity;
 import android.view.SurfaceHolder;
 import android.view.SurfaceView;
+import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 import android.widget.TextView;
@@ -82,6 +83,7 @@ implements SurfaceHolder.Callback {
         catch (JSONException e) { params = new JSONObject(); }
         String textTitle = params.optString("text_title");
         String textInstructions = params.optString("text_instructions");
+        Boolean drawSight = params.optBoolean("drawSight", true);
         whichCamera = params.optString("camera");
         flashMode = params.optString("flash");
 
@@ -100,6 +102,11 @@ implements SurfaceHolder.Callback {
         view_textTitle.setText(textTitle);
         view_textInstructions.setText(textInstructions);
 
+        // Draw/hide the sight
+        if(!drawSight) {
+            findViewById(getResourceId("id/csZbarScannerSight")).setVisibility(View.INVISIBLE);
+        }
+
         // Create preview SurfaceView
         scannerSurface = new SurfaceView (this) {
             @Override
@@ -117,9 +124,14 @@ implements SurfaceHolder.Callback {
         scannerSurface.getHolder().addCallback(this);
 
         // Add preview SurfaceView to the screen
-        ((FrameLayout) findViewById(getResourceId("id/csZbarScannerView"))).addView(scannerSurface);
+        FrameLayout scannerView = (FrameLayout) findViewById(getResourceId("id/csZbarScannerView"));
+        scannerView.addView(scannerSurface);
         findViewById(getResourceId("id/csZbarScannerTitle")).bringToFront();
         findViewById(getResourceId("id/csZbarScannerInstructions")).bringToFront();
+        findViewById(getResourceId("id/csZbarScannerSightContainer")).bringToFront();
+        findViewById(getResourceId("id/csZbarScannerSight")).bringToFront();
+        scannerView.requestLayout();
+        scannerView.invalidate();
     }
 
     @Override
@@ -226,7 +238,11 @@ implements SurfaceHolder.Callback {
     private AutoFocusCallback autoFocusCb = new AutoFocusCallback()
     {
         public void onAutoFocus(boolean success, Camera camera) {
+            // some devices crash without this try/catch and cancelAutoFocus()... (#9)
+            try {
+                camera.cancelAutoFocus();
                 autoFocusHandler.postDelayed(doAutoFocus, autoFocusInterval);
+            } catch (Exception e) {}
         }
     };
 

android/res/layout/cszbarscanner.xml

@@ -35,4 +35,19 @@
         android:fontFamily="sans-serif-light"
         android:text="@string/csZbarScannerInstructions" />
 
+    <RelativeLayout android:id="@+id/csZbarScannerSightContainer"
+        android:layout_width="fill_parent"
+        android:layout_height="fill_parent">
+
+        <View android:id="@+id/csZbarScannerSight"
+            android:layout_width="fill_parent"
+            android:layout_height="1dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginRight="10dp"
+            android:layout_centerInParent="true"
+            android:gravity="center_vertical"
+            android:background="#ff0000" />
+
+    </RelativeLayout>
+
 </FrameLayout>

ios/AlmaZBarReaderViewController.h

@@ -0,0 +1,13 @@
+//
+//  AlmaZBarReaderViewController.h
+//  BarCodeMix
+//
+//  Created by eCompliance on 23/01/15.
+//
+//
+
+#import "ZBarReaderViewController.h"
+
+@interface AlmaZBarReaderViewController : ZBarReaderViewController
+
+@end

ios/AlmaZBarReaderViewController.m

@@ -0,0 +1,41 @@
+//
+//  AlmaZBarReaderViewController.m
+//  BarCodeMix
+//
+//  Created by eCompliance on 23/01/15.
+//
+//
+
+#import "AlmaZBarReaderViewController.h"
+
+@interface AlmaZBarReaderViewController ()
+
+@end
+
+@implementation AlmaZBarReaderViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    // Do any additional setup after loading the view.
+}
+
+- (void)didReceiveMemoryWarning {
+    [super didReceiveMemoryWarning];
+    // Dispose of any resources that can be recreated.
+}
+
+-(BOOL)shouldAutorotate{
+    return NO;
+}
+
+/*
+#pragma mark - Navigation
+
+// In a storyboard-based application, you will often want to do a little preparation before navigation
+- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
+    // Get the new view controller using [segue destinationViewController].
+    // Pass the selected object to the new view controller.
+}
+*/
+
+@end

ios/CsZBar.m

@@ -1,12 +1,12 @@
 #import "CsZBar.h"
-
+#import "AlmaZBarReaderViewController.h"
 
 #pragma mark - State
 
 @interface CsZBar ()
 @property bool scanInProgress;
 @property NSString *scanCallbackId;
-@property ZBarReaderViewController *scanReader;
+@property AlmaZBarReaderViewController *scanReader;
 @end
 
 
@@ -40,10 +40,10 @@
     } else {
         self.scanInProgress = YES;
         self.scanCallbackId = [command callbackId];
-        self.scanReader = [ZBarReaderViewController new];
+        self.scanReader = [AlmaZBarReaderViewController new];
 
         self.scanReader.readerDelegate = self;
-        self.scanReader.supportedOrientationsMask = ZBarOrientationMaskAll;
+        self.scanReader.supportedOrientationsMask = ZBarOrientationMask(UIInterfaceOrientationPortrait);
 
         // Get user parameters
         NSDictionary *params = (NSDictionary*) [command argumentAtIndex:0];
@@ -60,10 +60,29 @@
             self.scanReader.cameraFlashMode = UIImagePickerControllerCameraFlashModeOff;
         }
 
-        // Hack to hide the bottom bar's Info button... http://stackoverflow.com/a/16353530
+        // Hack to hide the bottom bar's Info button... originally based on http://stackoverflow.com/a/16353530
-        UIView *infoButton = [[[[[self.scanReader.view.subviews objectAtIndex:1] subviews] objectAtIndex:0] subviews] objectAtIndex:3];
+        UIView *infoButton = [[[[[self.scanReader.view.subviews objectAtIndex:2] subviews] objectAtIndex:0] subviews] objectAtIndex:3];
         [infoButton setHidden:YES];
 
+        BOOL drawSight = [params objectForKey:@"drawSight"] ? [[params objectForKey:@"drawSight"] boolValue] : true;
+        if(drawSight){
+            CGRect screenRect = [[UIScreen mainScreen] bounds];
+            CGFloat screenWidth = screenRect.size.width;
+            CGFloat screenHeight = screenRect.size.height;
+            CGFloat dim = screenWidth < screenHeight ? screenWidth / 1.1 : screenHeight / 1.1;
+            UIView *polygonView = [[UIView alloc] initWithFrame: CGRectMake ( (screenWidth/2) - (dim/2), (screenHeight/2) - (dim/2), dim, dim)];
+            //polygonView.center = self.scanReader.view.center;
+            //polygonView.layer.borderColor = [UIColor greenColor].CGColor;
+            //polygonView.layer.borderWidth = 3.0f;
+
+            UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(dim / 2, 0, 1, dim)];
+            lineView.backgroundColor = [UIColor redColor];
+            [polygonView addSubview:lineView];
+
+            self.scanReader.cameraOverlayView = polygonView;
+            //[self.scanReader.view addSubview:polygonView];
+        }
+
         [self.viewController presentModalViewController: self.scanReader animated: YES];
     }
 }

plugin.xml

@@ -69,6 +69,8 @@
         <source-file src="ios/libzbar.a" framework="true" />
         <source-file src="ios/CsZBar.m" />
         <header-file src="ios/CsZBar.h" />
+        <source-file src="ios/AlmaZBarReaderViewController.m" />
+        <header-file src="ios/AlmaZBarReaderViewController.h" />
         <header-file src="ios/ZBarSDK/ZBarCameraSimulator.h" />
         <header-file src="ios/ZBarSDK/ZBarCaptureReader.h" />
         <header-file src="ios/ZBarSDK/ZBarHelpController.h" />