Change on flash button style, icon and position

ios/AlmaZBarReaderViewController.m

@@ -19,14 +19,39 @@
 - (void)viewDidLoad {
     [super viewDidLoad];
     // Do any additional setup after loading the view.
-    UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem];
-    [button setTitle:@"Turn on Flash" forState:UIControlStateNormal];
+    UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
+    //[button setTitle:@"Flash" forState:UIControlStateNormal];
     [button sizeToFit];
+    CGRect screenRect = [[UIScreen mainScreen] bounds];
+    //[button setContentEdgeInsets:UIEdgeInsetsMake(20, 30, 20, 30)];
+    CGRect frame;
+    if(screenRect.size.height>(screenRect.size.width)){
+        frame = CGRectMake(0,0, screenRect.size.width*(0.15), screenRect.size.height*0.15);
+        
+        //button.center = CGPointMake( 0,0);
+    }else{
+        frame = CGRectMake(0,0, screenRect.size.width*(0.10), screenRect.size.height*0.20);
+        
+        //button.center = CGPointMake(0,0);
+    }
+    
+    button.frame =frame;
+    button.layer.cornerRadius = 10;
+    button.clipsToBounds = YES;
     // Set a new (x,y) point for the button's center
-    button.center = CGPointMake(320/2, 60);
+    
+    UIImage *btnImage = [UIImage imageNamed:@"flash.png"];
+    
+    [button setImage:btnImage forState:UIControlStateNormal];
+    [button setBackgroundColor: [UIColor blackColor] ];
+    
+    //[button setBackgroundColor:[UIColor colorWithRed:.859 green:.765 blue:.616 alpha:1.0] forState:UIControlStateHighlighted];
+    
+    //button.center = CGPointMake( 0,0);
     [button addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
+    
     [self.view addSubview:button];
-
+    
 }
 
 - (void)didReceiveMemoryWarning {
@@ -38,8 +63,8 @@
     
     CsZBar *obj = [[CsZBar alloc] init];
     
-                   [obj toggleflash];
-
+    [obj toggleflash];
+    
 }
 
 
@@ -69,13 +94,13 @@
     }
 }
 /*
-#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.
-}
-*/
+ #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