Fix example project bottom margin

Author: devxoul

Example/RxKeyboardExample.xcodeproj/project.pbxproj

@@ -340,7 +340,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -392,7 +392,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";

Example/Sources/ViewControllers/MessageListViewController.swift

@@ -92,13 +92,12 @@ class MessageListViewController: UIViewController {
     RxKeyboard.instance.visibleHeight
       .drive(onNext: { [weak self] keyboardVisibleHeight in
         guard let `self` = self, self.didSetupViewConstraints else { return }
-        var actualKeyboardHeight = keyboardVisibleHeight
-        if #available(iOS 11.0, *), keyboardVisibleHeight > 0 {
-          actualKeyboardHeight = actualKeyboardHeight - self.view.safeAreaInsets.bottom
-        }
-        
         self.messageInputBar.snp.updateConstraints { make in
-          make.bottom.equalTo(self.bottomLayoutGuide.snp.top).offset(-actualKeyboardHeight)
+          if #available(iOS 11.0, *) {
+            make.bottom.equalTo(self.view.safeAreaLayoutGuide.snp.bottom).offset(-keyboardVisibleHeight)
+          } else {
+            make.bottom.equalTo(self.bottomLayoutGuide.snp.top).offset(-keyboardVisibleHeight)
+          }
         }
         self.view.setNeedsLayout()
         UIView.animate(withDuration: 0) {
@@ -140,7 +139,11 @@ class MessageListViewController: UIViewController {
     }
     self.messageInputBar.snp.makeConstraints { make in
       make.left.right.equalTo(0)
-      make.bottom.equalTo(self.bottomLayoutGuide.snp.top)
+      if #available(iOS 11.0, *) {
+        make.bottom.equalTo(self.view.safeAreaLayoutGuide.snp.bottom)
+      } else {
+        make.bottom.equalTo(self.bottomLayoutGuide.snp.top)
+      }
     }
   }