提交

QXLive/Base/QXBaseViewController.m

@@ -10,6 +10,7 @@
 @interface QXBaseViewController ()
 @property (nonatomic,strong)UIImageView *bgImageView;
 @property (nonatomic,strong)NSString *imageUrl;
+@property (nonatomic,strong)UIButton*backBtn;
 @end
 
 @implementation QXBaseViewController
@@ -24,6 +25,10 @@
     [self getData];
     self.page = 1;
 }
+-(void)didReceiveMemoryWarning{
+    [super didReceiveMemoryWarning];
+    [[SDImageCache sharedImageCache] clearMemory];
+}
 - (void)initSubViews{
     
 }
@@ -36,7 +41,9 @@
     backBtn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeading;
     [backBtn addTarget:self action:@selector(backAction) forControlEvents:(UIControlEventTouchUpInside)];
     self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:backBtn];
+    self.backBtn = backBtn;
 }
+
 -(void)backAction{
     if (self.navigationController.viewControllers.count > 1) {
         [self.navigationController popViewControllerAnimated:YES];