readme

Author: 李林

0.gif

@@ -1,6 +1,36 @@
 # PopView
 ## 弹出自定义视图控件,使用简单,耦合度小(popView)
 
+### 0、类似实现DropDownMunu类型的动画
+~~~
+-(void)chooseClick:(UIButton *)btn{
+    btn.selected = !btn.selected;
+    if (btn.selected) {
+        [UIView animateWithDuration:0.25 animations:^{
+            btn.imageView.transform = CGAffineTransformRotate(btn.transform, M_PI);
+        }];
+        UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 64, self.view.bounds.size.width, 0)];
+        [self.view addSubview:view];
+        PopView *popView = [PopView popSideContentView:self.chooseListView belowView:view];
+        popView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.2];
+        [popView setDidRemovedFromeSuperView:^{
+            btn.selected = NO;
+            [UIView animateWithDuration:0.25 animations:^{
+                btn.imageView.transform = CGAffineTransformIdentity;
+            }];
+        }];
+        [view removeFromSuperview];
+    }else{
+        [UIView animateWithDuration:0.25 animations:^{
+            btn.imageView.transform = CGAffineTransformIdentity;
+            }];
+            [PopView hidenPopView];
+    }
+}
+~~~
+
+![img](https://github.com/xiaohu036/PopView/blob/master/0.gif)
+
 ### 1、类似QQ和微信消息页面的右上角微型菜单弹窗
 ~~~
 PopView *popView = [PopView showPopViewDirect:PopViewDirection_Bottom onView:sender contentView:self.popContentView];