Load UipickerView from bottom of the screen

When we use UIPickerView in iOS, we can’t see the other fields due to the height of the UIPickerView.So it’s better to launch the UIPickerView from the bottom of the screen, so we can also see the other fields of the UIPickerView and its look good from the simple UIPickerView.To display the PickerView you have to add new view that will attach to bottom of the Screen

float height= [[UIScreen mainScreen] bounds].size.height;
        UIView *sortBlock = [[UIView alloc]initWithFrame:CGRectMake(10, 2*(height/3), SCREEN_WIDTH-20, height/3)];
        [sortBlock setBackgroundColor : [GlobalData colorWithHexString:NavigationColor]];
        sortBlock.layer.cornerRadius = 4;
        sortBlock.tag = 500;
        sortBlock.layer.cornerRadius = 20;
        sortBlock.layer.masksToBounds = YES;
        
        UIPickerView *sortPicker = [[UIPickerView alloc] initWithFrame:CGRectMake(0,  sortBlock.frame.size.height/6 , SCREEN_WIDTH-20, sortBlock.frame.size.height-20)];
        sortPicker.tag = 821;
        sortPicker.showsSelectionIndicator = YES;
        //    sortPicker.backgroundColor = [UIColor blueColor];
        sortPicker.hidden = NO;
        sortPicker.delegate = self;
        [sortBlock sortPicker];
        
        UILabel *cancel = [[UILabel alloc] initWithFrame:CGRectMake(10, 5, 80, 30)];
        [cancel setTextColor:[UIColor blueColor]];
        [cancel setBackgroundColor:[UIColor clearColor]];
        [cancel setFont:[UIFont fontWithName: @"Trebuchet MS" size: 20.0f]];
        [cancel setText:@"Cancel"];
        [sortBlock addSubview:cancel];
        UITapGestureRecognizer* cancelGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(cancelbtn:)];
        // if labelView is not set userInteractionEnabled, you must do so
        [cancel setUserInteractionEnabled:YES];
        [cancel addGestureRecognizer:cancelGesture];
        
        UILabel *done = [[UILabel alloc] initWithFrame:CGRectMake(SCREEN_WIDTH - 80, 5, 80, 30)];
        [done setTextColor:[UIColor blueColor]];
        [done setBackgroundColor:[UIColor clearColor]];
        [done setFont:[UIFont fontWithName: @"Trebuchet MS" size: 20.0f]];
        [done setText:@"Done"];
        [sortBlock addSubview:done];
        
        UITapGestureRecognizer* doneGesture1 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(donebtn:)];
        // if labelView is not set userInteractionEnabled, you must do so
        [done setUserInteractionEnabled:YES];
        [done addGestureRecognizer:doneGesture1];
        [self.view addSubview:sortBlock];

float height= [[UIScreen mainScreen] bounds].size.height;

UIView *sortBlock = [[UIView alloc]initWithFrame:CGRectMake(10, 2*(height/3), SCREEN_WIDTH-20, height/3)];

[sortBlock setBackgroundColor : [GlobalData colorWithHexString:NavigationColor]];

sortBlock.layer.cornerRadius = 4;

sortBlock.tag = 500;

sortBlock.layer.cornerRadius = 20;

sortBlock.layer.masksToBounds = YES;

UIPickerView *sortPicker = [[UIPickerView alloc] initWithFrame:CGRectMake(0, sortBlock.frame.size.height/6 , SCREEN_WIDTH-20, sortBlock.frame.size.height-20)];

sortPicker.tag = 821;

sortPicker.showsSelectionIndicator = YES;

// sortPicker.backgroundColor = [UIColor blueColor];

sortPicker.hidden = NO;

sortPicker.delegate = self;

[sortBlock sortPicker];

UILabel *cancel = [[UILabel alloc] initWithFrame:CGRectMake(10, 5, 80, 30)];

[cancel setTextColor:[UIColor blueColor]];

[cancel setBackgroundColor:[UIColor clearColor]];

[cancel setFont:[UIFont fontWithName: @"Trebuchet MS" size: 20.0f]];

[cancel setText:@"Cancel"];

[sortBlock addSubview:cancel];

UITapGestureRecognizer* cancelGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(cancelbtn:)];

// if labelView is not set userInteractionEnabled, you must do so

[cancel setUserInteractionEnabled:YES];

[cancel addGestureRecognizer:cancelGesture];

UILabel *done = [[UILabel alloc] initWithFrame:CGRectMake(SCREEN_WIDTH - 80, 5, 80, 30)];

[done setTextColor:[UIColor blueColor]];

[done setBackgroundColor:[UIColor clearColor]];

[done setFont:[UIFont fontWithName: @"Trebuchet MS" size: 20.0f]];

[done setText:@"Done"];

[sortBlock addSubview:done];

UITapGestureRecognizer* doneGesture1 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(donebtn:)];

// if labelView is not set userInteractionEnabled, you must do so

[done setUserInteractionEnabled:YES];

[done addGestureRecognizer:doneGesture1];

[self.view addSubview:sortBlock];

bhavuk chawla 14 December 2016

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Load UipickerView from bottom of the screen

Load UipickerView from bottom of the screen

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