diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62c8f7971a2d7aedb3d5e2dbe99146647f751db0..3e268df59117a1b486cb34e7a32f0309625846a1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,2 +1,6 @@
 ## 0.0.1-SNAPSHOT
-ohos第一个版本，完整实现了原库的全部api
+
+ohos第一个版本
+
+ * 实现了原库的大部分api
+ * ohos暂不支持设置最大高度
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index 60e88391f40bc5e2ffde509aa3b73bf08fe2b48c..0617c91b8090c894aee52604f9418da6c9f58b4f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'com.huawei.ohos.hap'
 apply plugin: 'com.huawei.ohos.decctest'
 ohos {
-    compileSdkVersion 5
+    compileSdkVersion 6
     defaultConfig {
         compatibleSdkVersion 5
     }
diff --git a/app/src/main/java/com/tylersuehr/chipexample/slice/MainAbilitySlice.java b/app/src/main/java/com/tylersuehr/chipexample/slice/MainAbilitySlice.java
index a43a609e98c19662dc325e3dc706b1528bffbac9..5ebc90f06c5cf9bbc09ad963d97a86e98c6ef063 100644
--- a/app/src/main/java/com/tylersuehr/chipexample/slice/MainAbilitySlice.java
+++ b/app/src/main/java/com/tylersuehr/chipexample/slice/MainAbilitySlice.java
@@ -17,6 +17,8 @@ package com.tylersuehr.chipexample.slice;
 
 import com.tylersuehr.chipexample.ResourceTable;
 import com.tylersuehr.chipexample.utils.KeyboardVisibilityEvent;
+import com.tylersuehr.chipexample.utils.KeyboardVisibilityEventListener;
+import com.tylersuehr.chipexample.utils.Unregistrar;
 import com.tylersuehr.chips.ChipDetailsView;
 import com.tylersuehr.chips.FlowLayout;
 import ohos.aafwk.ability.AbilitySlice;
@@ -200,7 +202,7 @@ public class MainAbilitySlice extends AbilitySlice implements Component.ClickedL
     /**
      * 获取屏幕宽度
      *
-     * @param context 上下文
+     * @param context context
      * @return 屏幕宽度
      */
     public static int getDisplayWidthInPx(Context context) {
diff --git a/app/src/main/java/com/tylersuehr/chipexample/utils/KeyboardVisibilityEvent.java b/app/src/main/java/com/tylersuehr/chipexample/utils/KeyboardVisibilityEvent.java
index af6db8d327c0ce96753a0c45f7ee0b3a609c4221..183088328ceb46ce2ac72206e93827880807056a 100644
--- a/app/src/main/java/com/tylersuehr/chipexample/utils/KeyboardVisibilityEvent.java
+++ b/app/src/main/java/com/tylersuehr/chipexample/utils/KeyboardVisibilityEvent.java
@@ -15,8 +15,13 @@
 
 package com.tylersuehr.chipexample.utils;
 
+import ohos.aafwk.ability.AbilitySlice;
 import ohos.aafwk.ability.LifecycleObserver;
 import ohos.agp.components.Component;
+import ohos.agp.utils.Point;
+import ohos.agp.utils.Rect;
+import ohos.agp.window.service.DisplayManager;
+import ohos.app.Context;
 
 public class KeyboardVisibilityEvent {
     private static final double KEYBOARD_MIN_HEIGHT_RATIO = 0.15;
@@ -31,8 +36,103 @@ public class KeyboardVisibilityEvent {
         return keyboardVisibilityEvent;
     }
 
+    /**
+     * Set keyboard visibility change event listener.
+     * This automatically remove registered event listener when the Activity is destroyed
+     *
+     * @param abilitySlice Activity
+     */
+    public void setEventListener(AbilitySlice abilitySlice, KeyboardVisibilityEventListener listener) {
+        Unregistrar unregistrar = registerEventListener(abilitySlice, listener);
+        //需要生命周期的监听  ILifecycleObserver
+        mLifecycleObserver = new LifecycleObserver() {
+            @Override
+            public void onStop() {
+                super.onStop();
+                abilitySlice.getLifecycle().removeObserver(this);
+                unregistrar.unregister(mRootView);
+            }
+        };
+        abilitySlice.getLifecycle().addObserver(mLifecycleObserver);
+    }
+
+    /**
+     * Set keyboard visibility change event listener.
+     * This automatically remove registered event listener when the Activity is destroyed
+     *
+     * @param abilitySlice Activity
+     */
+    public Unregistrar registerEventListener(
+            AbilitySlice abilitySlice,
+            KeyboardVisibilityEventListener listener) {
+        if (abilitySlice == null) {
+            throw new NullPointerException("Parameter:AbilitySlice must not be null");
+        }
+        if (listener == null) {
+            throw new NullPointerException("Parameter:listener must not be null");
+        }
+        if (mRootView == null) {
+            throw new NullPointerException("mRootView:listener must not be null");
+        }
+
+        Component.LayoutRefreshedListener layoutListener = new Component.LayoutRefreshedListener() {
+            private boolean isWasOpened = false;
+
+            @Override
+            public void onRefreshed(Component component) {
+                boolean isOpen = isKeyboardVisible(abilitySlice);
+
+                if (isOpen != isWasOpened) {
+                    // keyboard state has not changed
+
+                    isWasOpened = isOpen;
+                    listener.onVisibilityChanged(isOpen);
+                }
+            }
+        };
+        mRootView.setLayoutRefreshedListener(layoutListener);
+        return new SimpleUnregistrar(abilitySlice, layoutListener);
+    }
+
+    /**
+     * Determine if keyboard is visible
+     *
+     * @param abilitySlice Activity
+     * @return Whether keyboard is visible or not
+     */
+    public boolean isKeyboardVisible(AbilitySlice abilitySlice) {
+        Rect rect = new Rect();
+
+        mRootView.getSelfVisibleRect(rect);
+
+        int[] location = mRootView.getLocationOnScreen();
+
+        int screenHeight = (int) getRealHeight(abilitySlice.getContext());
+        int heightDiff = screenHeight - rect.getHeight() - location[1];
+
+        if (location[1] == 0) {
+            return false;
+        } else {
+            return heightDiff > screenHeight * KEYBOARD_MIN_HEIGHT_RATIO;
+        }
+    }
+
     //获取根界面进行传入
     public void setAbilitySliceRoot(Component RootView) {
         this.mRootView = RootView;
     }
+
+    public Component getAbilitySliceRoot() {
+        if (mRootView == null) {
+            throw new NullPointerException("mRootView:listener must not be null");
+        } else {
+            return mRootView;
+        }
+    }
+
+    public static float getRealHeight(Context context) {
+        Point point = new Point();
+        DisplayManager.getInstance().getDefaultDisplay(context).get().getRealSize(point);
+        return point.getPointY();
+    }
 }
diff --git a/build.gradle b/build.gradle
index d3c9f1fef7ce4e18162867c20c11bfc65e1a8d28..a28641cf1d0eb8db571dd1ae7a377a3e81709733 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@
 apply plugin: 'com.huawei.ohos.app'
 
 ohos {
-    compileSdkVersion 5
+    compileSdkVersion 6
     defaultConfig {
         compatibleSdkVersion 5
     }
diff --git a/library/build.gradle b/library/build.gradle
index e1c0b274a6c5cb35b197a177a17684addf760676..7e1e475c1296e7c6d200a45810598ddff583ee7f 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -1,8 +1,8 @@
 apply plugin: 'com.huawei.ohos.library'
 ohos {
-    compileSdkVersion 5
+    compileSdkVersion 6
     defaultConfig {
-        compatibleSdkVersion 4
+        compatibleSdkVersion 5
     }
     buildTypes {
         release {