iOS 开启个人热点后屏幕的适配问题

//iOS 在开启个人热点后会调用此方法

- (void)viewWillLayoutSubviews

//

//  ViewController.m

//  test_Person_Hotspot_01

//

//  Created by admin on 1/28/16.

//  Copyright © 2016 jeffasd. All rights reserved.

//

#import "ViewController.h"

#define SCREEN_WIDTH  [[UIScreen mainScreen] bounds].size.width/2

#define SCREEN_HEIGHT  [[UIScreen mainScreen] bounds].size.height

@interface ViewController ()

{

    UIButton *button;

}

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    

    button = [UIButton buttonWithType:UIButtonTypeCustom];

    

//    [[UIScreen mainScreen] bounds].size.width/2;

    

//    button.frame = CGRectMake(SCREEN_WIDTH, SCREEN_HEIGHT - 20 -50, 50, 50);

    

    button.frame = CGRectMake(SCREEN_WIDTH, self.view.frame.size.height - 20 -50, 50, 50);

    

//    button.bounds = CGRectMake(SCREEN_WIDTH, SCREEN_HEIGHT - 20 -50, 50, 50);

    

//    button.bounds = CGRectMake(50, 50, 50, 42);

    

    button.backgroundColor = [UIColor cyanColor];

    

    [self.view addSubview:button];

    

    self.tabBar.frame = CGRectMake(0, self.view.frame.size.height-40, 320, 40);

    

    

}

- (void)viewWillAppear:(BOOL)animated{

    [super viewWillAppear:animated];

    

    self.view.backgroundColor = [UIColor whiteColor];

}

- (void)viewDidAppear:(BOOL)animated{

    [super viewDidAppear:animated];

    

    self.view.backgroundColor = [UIColor whiteColor];

}

- (void)viewWillDisappear:(BOOL)animated{

    [super viewWillDisappear:animated];

    

    self.view.backgroundColor = [UIColor whiteColor];

}

//iOS 在开启个人热点后会调用此方法

- (void)viewWillLayoutSubviews{

    

    button.frame = CGRectMake(SCREEN_WIDTH, self.view.frame.size.height - 20 -50, 50, 50);

    

    [super viewWillLayoutSubviews];

    

    self.view.backgroundColor = [UIColor redColor];

    

    [self.view layoutSubviews];

    

    NSLog(@"the Screen is %@", NSStringFromCGRect([[UIScreen mainScreen] bounds]));

    

    NSLog(@"the VC view frame is %@", NSStringFromCGRect(self.view.frame));

    

//    button.frame = CGRectMake(SCREEN_WIDTH, SCREEN_HEIGHT - 20 -50, 50, 50);

    

//    button.frame = CGRectMake(SCREEN_WIDTH, self.view.frame.size.height - 20 -50, 50, 50);

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end