diff --git a/app/build.gradle b/app/build.gradle
index e85e6c5..30ac887 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -12,10 +12,10 @@ android {
     defaultConfig {
         applicationId "com.yinuo.safetywatcher"
 
-        ndk {
-            //设置支持的SO库架构（开发者可以根据需要，选择一个或多个平台的so）
-            abiFilters "armeabi-v7a", "x86"//, "arm64-v8a", ,"arm64-v8a","x86_64"
-        }
+//        ndk {
+//            //设置支持的SO库架构（开发者可以根据需要，选择一个或多个平台的so）
+//            abiFilters "armeabi-v7a", "x86"//, "arm64-v8a", ,"arm64-v8a","x86_64"
+//        }
     }
 
     viewBinding {
diff --git a/app/libs/sdkapi.jar b/app/libs/sdkapi.jar
new file mode 100644
index 0000000..c269276
Binary files /dev/null and b/app/libs/sdkapi.jar differ
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index bb4ce33..ebd5a88 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -7,6 +7,7 @@
         android:required="true" />
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.CAMERA" />
@@ -18,6 +19,7 @@
         android:required="true" />
 
     <application
+        android:name=".watcher.App"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/App.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/App.kt
new file mode 100644
index 0000000..39ae7ad
--- /dev/null
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/App.kt
@@ -0,0 +1,13 @@
+package com.yinuo.safetywatcher.watcher
+
+import android.app.Application
+import com.lztek.toolkit.Lztek
+import com.yinuo.safetywatcher.watcher.utils.LztekUtil
+
+class App : Application() {
+
+    override fun onCreate() {
+        super.onCreate()
+//        LztekUtil.setObject(Lztek.create(this))
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/HomeActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/HomeActivity.kt
index fafa0f0..b9e878c 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/HomeActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/HomeActivity.kt
@@ -6,6 +6,7 @@ import android.view.View
 import androidx.annotation.RequiresApi
 import com.yinuo.safetywatcher.databinding.ActivityHomeBinding
 import com.yinuo.safetywatcher.watcher.base.BaseActivity
+import com.yinuo.safetywatcher.watcher.utils.BatteryHelper
 
 class HomeActivity : BaseActivity() {
 
@@ -19,6 +20,7 @@ class HomeActivity : BaseActivity() {
 
     @RequiresApi(Build.VERSION_CODES.R)
     override fun initView() {
+        BatteryHelper.init(this@HomeActivity)
         mBinding.apply {
             itemSetting.setOnClickListener {
                 startActivity(Intent(this@HomeActivity, SettingActivity::class.java))
@@ -29,4 +31,9 @@ class HomeActivity : BaseActivity() {
             cameraSwitch.setOnCheckedChangeListener { buttonView, isChecked -> }
         }
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        BatteryHelper.release(this@HomeActivity)
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/BatteryHelper.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/BatteryHelper.kt
new file mode 100644
index 0000000..6675f65
--- /dev/null
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/BatteryHelper.kt
@@ -0,0 +1,55 @@
+package com.yinuo.safetywatcher.watcher.utils
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.os.BatteryManager
+import android.util.Log
+
+object BatteryHelper {
+    private var callbacks = mutableListOf<OnBatteryLevelCallback>()
+    private var mLevel = -1;
+
+    private val receiver = object : BroadcastReceiver() {
+        override fun onReceive(context: Context?, intent: Intent?) {
+            val level = intent?.getIntExtra(BatteryManager.EXTRA_LEVEL, -1)
+            mLevel = level!!
+            Log.i(this@BatteryHelper.javaClass.name, "onReceive level = $level")
+            callbacks.forEach {
+                if (level != null) {
+                    it.onLevel(level)
+                }
+            }
+        }
+    }
+
+    fun init(context: Context) {
+        watchBattery(context)
+    }
+
+    private fun watchBattery(context: Context) {
+        val filter = IntentFilter(Intent.ACTION_BATTERY_CHANGED)
+        context.registerReceiver(receiver, filter)
+    }
+
+    fun addCallBack(callBack: OnBatteryLevelCallback) {
+        callbacks.add(callBack)
+        if (mLevel != -1) {
+            callBack.onLevel(mLevel)
+        }
+    }
+
+    fun removeCallback(callBack: OnBatteryLevelCallback) {
+        callbacks.remove(callBack)
+    }
+
+    fun release(context: Context) {
+        callbacks.clear()
+        context.unregisterReceiver(receiver)
+    }
+
+    interface OnBatteryLevelCallback {
+        fun onLevel(level: Int)
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt
new file mode 100644
index 0000000..162794a
--- /dev/null
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt
@@ -0,0 +1,16 @@
+package com.yinuo.safetywatcher.watcher.utils
+
+import com.lztek.toolkit.Lztek
+
+object LztekUtil {
+
+    private var mLztek: Lztek? = null;
+
+    fun setObject(value: Lztek) {
+        mLztek = value
+    }
+
+    fun getLztek(): Lztek {
+        return mLztek!!
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/WifiHelper.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/WifiHelper.kt
new file mode 100644
index 0000000..5dc5077
--- /dev/null
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/WifiHelper.kt
@@ -0,0 +1,49 @@
+package com.yinuo.safetywatcher.watcher.utils
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.net.wifi.WifiManager
+import android.util.Log
+
+object WifiHelper {
+    private var callbacks = mutableListOf<OnWifiLevelCallback>()
+
+    private val receiver = object : BroadcastReceiver() {
+        override fun onReceive(context: Context?, intent: Intent?) {
+            val wifiState = intent?.getIntExtra(WifiManager.EXTRA_WIFI_STATE, -1)
+            Log.i(this@WifiHelper.javaClass.name, "onReceive wifiState = $wifiState")
+            callbacks.forEach {
+                it.onEnable(wifiState == WifiManager.WIFI_STATE_ENABLED)
+            }
+        }
+    }
+
+    fun init(context: Context) {
+        watchWifi(context)
+    }
+
+    private fun watchWifi(context: Context) {
+        val filter = IntentFilter(WifiManager.WIFI_STATE_CHANGED_ACTION)
+        context.registerReceiver(receiver, filter)
+    }
+
+    fun addCallBack(callBack: OnWifiLevelCallback) {
+        callbacks.add(callBack)
+    }
+
+    fun removeCallback(callBack: OnWifiLevelCallback) {
+        callbacks.remove(callBack)
+    }
+
+    fun release(context: Context) {
+        callbacks.clear()
+        context.unregisterReceiver(receiver)
+    }
+
+    interface OnWifiLevelCallback {
+        fun onEnable(enable: Boolean)
+        fun onLevel(level: Int)
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/view/CommonTopBar.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/view/CommonTopBar.kt
index 5358f52..d6fa510 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/view/CommonTopBar.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/view/CommonTopBar.kt
@@ -2,13 +2,14 @@ package com.yinuo.safetywatcher.watcher.view
 
 import android.app.Activity
 import android.content.Context
-import android.graphics.Color
-import android.opengl.Visibility
 import android.util.AttributeSet
+import android.util.Log
 import android.view.LayoutInflater
 import android.widget.LinearLayout
 import com.yinuo.safetywatcher.R
 import com.yinuo.safetywatcher.databinding.LayoutTopbarBinding
+import com.yinuo.safetywatcher.watcher.utils.BatteryHelper
+import com.yinuo.safetywatcher.watcher.utils.WifiHelper
 
 class CommonTopBar : LinearLayout {
     constructor(context: Context?) : this(context, null)
@@ -33,12 +34,47 @@ class CommonTopBar : LinearLayout {
                 (context as Activity).finish()
             }
         }
+
+        post {
+            // watch battery
+            watchBattery()
+            watchWifi()
+        }
+    }
+
+    private val batteryCallback = object : BatteryHelper.OnBatteryLevelCallback {
+        override fun onLevel(level: Int) {
+            Log.i(this@CommonTopBar.javaClass.name, "batteryCallback onLevel = $level")
+            mBinding?.battery?.visibility = if (level > 80) VISIBLE else GONE
+        }
+    }
+
+    private fun watchBattery() {
+        BatteryHelper.addCallBack(batteryCallback)
     }
 
+    private val wifiCallback = object : WifiHelper.OnWifiLevelCallback {
+        override fun onEnable(enable: Boolean) {
+            Log.i(this@CommonTopBar.javaClass.name, "wifiCallback onEnable = $enable")
+            mBinding?.wifi?.visibility = if (enable) VISIBLE else GONE
+        }
+
+        override fun onLevel(level: Int) {
+            Log.i(this@CommonTopBar.javaClass.name, "wifiCallback onEnable = $level")
+        }
+    }
+
+    private fun watchWifi() {
+        WifiHelper.addCallBack(wifiCallback)
+    }
 
     open fun setTitle(title: String) {
         mBinding?.backArea?.visibility = VISIBLE
         mBinding?.title?.text = title
     }
 
+    override fun onDetachedFromWindow() {
+        super.onDetachedFromWindow()
+        BatteryHelper.removeCallback(batteryCallback)
+    }
 }
\ No newline at end of file