fixed: 1.适配小屏幕机型

feature: 1.忘记密码新增语音和短信验证码切换功能

Ifish/controllers/BaseVIewContorller/BaseVIewContorller.m

@@ -20,18 +20,14 @@
     // Do any additional setup after loading the view.
     [self initNav];
     self.view.backgroundColor = TABLE_BACKGROUD_COLOR;
-   
-    
 }
 
 -(void)viewWillAppear:(BOOL)animated{
     [super viewWillAppear:animated];
     [self.navigationController.navigationBar resetBackgroundImage];
-    
 }
 
 -(void)viewWillDisappear:(BOOL)animated{
-    
     [super viewWillDisappear:animated];
 }
 
@@ -57,9 +53,10 @@
     _bakbutton = [UIButton buttonWithType:UIButtonTypeCustom];
     _bakbutton.frame = CGRectMake(0,0,48,44);
     [_bakbutton setImage:[UIImage imageNamed:@"back_btn"] forState:UIControlStateNormal];
-   
+    _bakbutton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
+    _bakbutton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
     [_bakbutton addTarget: self action: @selector(goBackAction) forControlEvents: UIControlEventTouchUpInside];
-    
+    [_bakbutton setContentEdgeInsets:UIEdgeInsetsMake(0, 10, 0, -10)];
     _back=[[UIBarButtonItem alloc] initWithCustomView:_bakbutton];
     self.navigationItem.leftBarButtonItem=_back;
 
@@ -106,11 +103,8 @@
 
 #pragma mark - 竖屏时，显示状态栏
 
--(BOOL)prefersStatusBarHidden
-
-{
+-(BOOL)prefersStatusBarHidden{
     return NO;
-    
 }
 //白色状态栏
 - (UIStatusBarStyle)preferredStatusBarStyle
@@ -147,9 +141,6 @@
 -(UIInterfaceOrientationMask)supportedInterfaceOrientations{
     
     return UIInterfaceOrientationMaskPortrait|UIInterfaceOrientationMaskLandscapeRight;
-    
-    
-   
 }
 
 #pragma mark 一开始希望的屏幕方向
@@ -157,7 +148,6 @@
     return UIInterfaceOrientationPortrait;
 }
 
-
 #pragma mark - 屏幕旋转
 -(void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration
 {

Ifish/controllers/BaseVIewContorller/ClearNavBaseViewController.m

@@ -48,8 +48,8 @@
     _bakbutton = [UIButton buttonWithType:UIButtonTypeCustom];
     _bakbutton.frame = CGRectMake(0,0,48,44);
     [_bakbutton setImage:[UIImage imageNamed:@"back_btn"] forState:UIControlStateNormal];
-    
-    
+    _bakbutton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
+    [_bakbutton setContentEdgeInsets:UIEdgeInsetsMake(0, 10, 0, -10)];
     [_bakbutton addTarget: self action: @selector(goBackAction) forControlEvents: UIControlEventTouchUpInside];
     
     _back=[[UIBarButtonItem alloc] initWithCustomView:_bakbutton];

Ifish/controllers/BaseVIewContorller/FatherController.m

@@ -21,8 +21,17 @@
     
 }
 -(void)setNav{
-    UIBarButtonItem*back=[[UIBarButtonItem alloc] initWithImage:[[UIImage imageNamed:@"back_btn"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal] style:UIBarButtonItemStyleDone target:self action:@selector(goBackAction)];
-    self.navigationItem.leftBarButtonItem=back;
+    UIButton *back = [UIButton buttonWithType:UIButtonTypeCustom];
+    back.frame = CGRectMake(0,0,48,44);
+    [back setImage:[UIImage imageNamed:@"back_btn"] forState:UIControlStateNormal];
+    // [_bakbutton setBackgroundImage:[UIImage imageNamed:@"back_btn"] forState:UIControlStateNormal];
+    
+    [back addTarget: self action: @selector(goBackAction) forControlEvents: UIControlEventTouchUpInside];
+    [back setContentEdgeInsets:UIEdgeInsetsMake(0, 10, 0, -10)];
+    back.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
+    UIBarButtonItem * backItem=[[UIBarButtonItem alloc] initWithCustomView:back];
+    
+    self.navigationItem.leftBarButtonItem=backItem;
 }
 - (void)addTitleViewWithTitle:(NSString *)title{