Flashlight lights or turns off events

Hint Label

UILabel *promptlabel = [[UILabel alloc] init];

Promptlabel.backgroundcolor = [Uicolor Clearcolor];

CGFloat promptlabelx = 0;

CGFloat promptlabely = Cgrectgetmaxy (scancontent_layer.frame) + 30;

CGFloat promptlabelw = self.frame.size.width;

CGFloat promptlabelh = 25;

Promptlabel.frame = CGRectMake (Promptlabelx, promptlabely, Promptlabelw, PROMPTLABELH);

Promptlabel.textalignment = Nstextalignmentcenter;

Promptlabel.font = [Uifont boldsystemfontofsize:13.0];

Promptlabel.textcolor = [[Uicolor whitecolor] colorwithalphacomponent:0.6];

Promptlabel.text = @ "The two-dimensional code/bar code into the box, you can automatically scan";

[Self Addsubview:promptlabel];

UIView *bottomview = [[UIView alloc] init];

Bottomview.frame = CGRectMake (0, self.frame.size.height-100, self.frame.size.width, 100);

BottomView.layer.backgroundColor = [RGB (Colorwithalphacomponent:scanborderoutsideviewalpha, +, +)]. Cgcolor;

[Self addsubview:bottomview];

_torchimageview = [[Uiimageview alloc] init];

_torchimageview.image = [UIImage imagenamed:@ "Torch"];

_torchimageview.frame = CGRectMake ((self.frame.size.width-40)/2, 6, 40, 44);

[Bottomview Addsubview:_torchimageview];

UILabel *torchlabel = [[UILabel alloc] init];

Torchlabel.backgroundcolor = [Uicolor Clearcolor];

Torchlabel.frame = CGRectMake (0, +, self.frame.size.width, 40);

Torchlabel.textalignment = Nstextalignmentcenter;

Torchlabel.font = [Uifont boldsystemfontofsize:14.0];

Torchlabel.textcolor = HEX (@ "#999999");

Torchlabel.text = @ "Flashlight";

[Bottomview Addsubview:torchlabel];

Add Flash button

UIButton *light_button = [[UIButton alloc] init];

Light_button.frame = Bottomview.bounds;

CGFloat Light_buttonx = 0;

CGFloat light_buttony = Cgrectgetmaxy (promptlabel.frame) + scancontent_x * 0.5;

CGFloat light_buttonw = self.frame.size.width;

CGFloat Light_buttonh = 25;

Light_button.frame = CGRectMake (Light_buttonx, Light_buttony, Light_buttonw, Light_buttonh);

[Light_button settitle:@ "Open the Light" forstate:uicontrolstatenormal];

[Light_button settitle:@ "Turn Off the Lights" forstate:uicontrolstateselected];

[Light_button setTitleColor:promptLabel.textColor forstate: (UIControlStateNormal)];

Light_button.titleLabel.font = [Uifont systemfontofsize:17];

[Light_button addtarget:self Action: @selector (light_buttonaction:) forcontrolevents:uicontroleventtouchupinside];

[Bottomview Addsubview:light_button];

#pragma mark--click events for Lights

-(void) Light_buttonaction: (UIButton *) button {

if (button.selected = = NO) {//Tap to turn on the light

[Self turnonlight:yes];

button.selected = YES;

_torchimageview.image = [UIImage imagenamed:@ "lit"];

} else {//Click to turn off the lights

[Self turnonlight:no];

button.selected = NO;

_torchimageview.image = [UIImage imagenamed:@ "Torch"];

}

}

-(void) Turnonlight: (BOOL) on {

Self.device = [Avcapturedevice defaultdevicewithmediatype:avmediatypevideo];

if ([_device Hastorch]) {

[_device Lockforconfiguration:nil];

if (ON) {

[_device Settorchmode:avcapturetorchmodeon];

} else {

[_device Settorchmode:avcapturetorchmodeoff];

}

[_device unlockforconfiguration];

}

}