diff --git a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
index e6a7719..bfe86fc 100644
--- a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
@@ -4,14 +4,13 @@
 import android.database.sqlite.SQLiteDatabase
 import com.casic.birmm.inspect.greendao.DaoMaster
 import com.casic.birmm.inspect.greendao.DaoSession
-import com.casic.birmm.inspect.utils.FileUtils
 import com.casic.birmm.inspect.utils.SaveKeyValues
 import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
 
     companion object {
-        var instance: BaseApplication by Delegates.notNull()
+        private var instance: BaseApplication by Delegates.notNull()
 
         private lateinit var daoSession: DaoSession
 
@@ -22,7 +21,6 @@
         super.onCreate()
         instance = this
         SaveKeyValues.initSharedPreferences()
-        FileUtils.initFileConfig()
         initDataBase()
     }
 

diff --git a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
index e6a7719..bfe86fc 100644
--- a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
@@ -4,14 +4,13 @@
 import android.database.sqlite.SQLiteDatabase
 import com.casic.birmm.inspect.greendao.DaoMaster
 import com.casic.birmm.inspect.greendao.DaoSession
-import com.casic.birmm.inspect.utils.FileUtils
 import com.casic.birmm.inspect.utils.SaveKeyValues
 import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
 
     companion object {
-        var instance: BaseApplication by Delegates.notNull()
+        private var instance: BaseApplication by Delegates.notNull()
 
         private lateinit var daoSession: DaoSession
 
@@ -22,7 +21,6 @@
         super.onCreate()
         instance = this
         SaveKeyValues.initSharedPreferences()
-        FileUtils.initFileConfig()
         initDataBase()
     }
 
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
new file mode 100644
index 0000000..3994817
--- /dev/null
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
@@ -0,0 +1,90 @@
+package com.casic.birmm.inspect.utils
+
+import android.content.BroadcastReceiver
+import android.content.Intent
+import android.content.IntentFilter
+import android.util.Log
+import com.casic.birmm.inspect.base.BaseApplication
+
+
+class BroadcastReceiverManager private constructor() {
+
+    companion object {
+        private const val Tag = "BroadcastManager"
+
+        //Kotlin委托模式双重锁单例
+        val instance: BroadcastReceiverManager by lazy(mode = LazyThreadSafetyMode.SYNCHRONIZED) {
+            BroadcastReceiverManager()
+        }
+    }
+
+    private val receiverMap = HashMap<String, BroadcastReceiver>()
+    private val context = BaseApplication.obtainInstance()
+
+    /**
+     * 添加单个Action,广播的初始化
+     */
+    fun addAction(action: String, receiver: BroadcastReceiver) {
+        Log.d(Tag, "添加单个Action: $action")
+        try {
+            val filter = IntentFilter()
+            filter.addAction(action)
+            context.registerReceiver(receiver, filter)
+            receiverMap[action] = receiver
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 添加多个Action,广播的初始化
+     */
+    fun addAction(actions: Array<String>, receiver: BroadcastReceiver) {
+        try {
+            val filter = IntentFilter()
+            for (action in actions) {
+                filter.addAction(action)
+                receiverMap[action] = receiver
+            }
+            context.registerReceiver(receiver, filter)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 发送广播
+     *
+     * @param action 唯一码
+     * @param msg    参数
+     */
+    fun sendBroadcast(action: String, msg: String) {
+        try {
+            val intent = Intent()
+            intent.action = action
+            intent.putExtra("BroadcastData", msg)
+            context.sendBroadcast(intent)
+            Log.d(Tag, "sendBroadcast: $msg")
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 销毁广播
+     *
+     * @param actions action集合
+     */
+    fun destroy(vararg actions: String?) {
+        try {
+            for (action in actions) {
+                val receiver = receiverMap[action]
+                if (receiver != null) {
+                    context.unregisterReceiver(receiver)
+                }
+            }
+        } catch (e: IllegalArgumentException) {
+            e.printStackTrace()
+        }
+    }
+}
\ No newline at end of file

diff --git a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
index e6a7719..bfe86fc 100644
--- a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
@@ -4,14 +4,13 @@
 import android.database.sqlite.SQLiteDatabase
 import com.casic.birmm.inspect.greendao.DaoMaster
 import com.casic.birmm.inspect.greendao.DaoSession
-import com.casic.birmm.inspect.utils.FileUtils
 import com.casic.birmm.inspect.utils.SaveKeyValues
 import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
 
     companion object {
-        var instance: BaseApplication by Delegates.notNull()
+        private var instance: BaseApplication by Delegates.notNull()
 
         private lateinit var daoSession: DaoSession
 
@@ -22,7 +21,6 @@
         super.onCreate()
         instance = this
         SaveKeyValues.initSharedPreferences()
-        FileUtils.initFileConfig()
         initDataBase()
     }
 
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
new file mode 100644
index 0000000..3994817
--- /dev/null
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
@@ -0,0 +1,90 @@
+package com.casic.birmm.inspect.utils
+
+import android.content.BroadcastReceiver
+import android.content.Intent
+import android.content.IntentFilter
+import android.util.Log
+import com.casic.birmm.inspect.base.BaseApplication
+
+
+class BroadcastReceiverManager private constructor() {
+
+    companion object {
+        private const val Tag = "BroadcastManager"
+
+        //Kotlin委托模式双重锁单例
+        val instance: BroadcastReceiverManager by lazy(mode = LazyThreadSafetyMode.SYNCHRONIZED) {
+            BroadcastReceiverManager()
+        }
+    }
+
+    private val receiverMap = HashMap<String, BroadcastReceiver>()
+    private val context = BaseApplication.obtainInstance()
+
+    /**
+     * 添加单个Action,广播的初始化
+     */
+    fun addAction(action: String, receiver: BroadcastReceiver) {
+        Log.d(Tag, "添加单个Action: $action")
+        try {
+            val filter = IntentFilter()
+            filter.addAction(action)
+            context.registerReceiver(receiver, filter)
+            receiverMap[action] = receiver
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 添加多个Action,广播的初始化
+     */
+    fun addAction(actions: Array<String>, receiver: BroadcastReceiver) {
+        try {
+            val filter = IntentFilter()
+            for (action in actions) {
+                filter.addAction(action)
+                receiverMap[action] = receiver
+            }
+            context.registerReceiver(receiver, filter)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 发送广播
+     *
+     * @param action 唯一码
+     * @param msg    参数
+     */
+    fun sendBroadcast(action: String, msg: String) {
+        try {
+            val intent = Intent()
+            intent.action = action
+            intent.putExtra("BroadcastData", msg)
+            context.sendBroadcast(intent)
+            Log.d(Tag, "sendBroadcast: $msg")
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 销毁广播
+     *
+     * @param actions action集合
+     */
+    fun destroy(vararg actions: String?) {
+        try {
+            for (action in actions) {
+                val receiver = receiverMap[action]
+                if (receiver != null) {
+                    context.unregisterReceiver(receiver)
+                }
+            }
+        } catch (e: IllegalArgumentException) {
+            e.printStackTrace()
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
index 44b83e3..77e25a1 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
@@ -13,6 +13,7 @@
 
     const val PERMISSIONS_CODE = 999
     const val PAGE_LIMIT = 15
+    const val BACK_TO_HOME = 19
     const val BLUETOOTH_ON = 20
     const val BLUETOOTH_OFF = 21
     const val CONNECT_SUCCESS = 22

diff --git a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
index e6a7719..bfe86fc 100644
--- a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
@@ -4,14 +4,13 @@
 import android.database.sqlite.SQLiteDatabase
 import com.casic.birmm.inspect.greendao.DaoMaster
 import com.casic.birmm.inspect.greendao.DaoSession
-import com.casic.birmm.inspect.utils.FileUtils
 import com.casic.birmm.inspect.utils.SaveKeyValues
 import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
 
     companion object {
-        var instance: BaseApplication by Delegates.notNull()
+        private var instance: BaseApplication by Delegates.notNull()
 
         private lateinit var daoSession: DaoSession
 
@@ -22,7 +21,6 @@
         super.onCreate()
         instance = this
         SaveKeyValues.initSharedPreferences()
-        FileUtils.initFileConfig()
         initDataBase()
     }
 
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
new file mode 100644
index 0000000..3994817
--- /dev/null
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
@@ -0,0 +1,90 @@
+package com.casic.birmm.inspect.utils
+
+import android.content.BroadcastReceiver
+import android.content.Intent
+import android.content.IntentFilter
+import android.util.Log
+import com.casic.birmm.inspect.base.BaseApplication
+
+
+class BroadcastReceiverManager private constructor() {
+
+    companion object {
+        private const val Tag = "BroadcastManager"
+
+        //Kotlin委托模式双重锁单例
+        val instance: BroadcastReceiverManager by lazy(mode = LazyThreadSafetyMode.SYNCHRONIZED) {
+            BroadcastReceiverManager()
+        }
+    }
+
+    private val receiverMap = HashMap<String, BroadcastReceiver>()
+    private val context = BaseApplication.obtainInstance()
+
+    /**
+     * 添加单个Action,广播的初始化
+     */
+    fun addAction(action: String, receiver: BroadcastReceiver) {
+        Log.d(Tag, "添加单个Action: $action")
+        try {
+            val filter = IntentFilter()
+            filter.addAction(action)
+            context.registerReceiver(receiver, filter)
+            receiverMap[action] = receiver
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 添加多个Action,广播的初始化
+     */
+    fun addAction(actions: Array<String>, receiver: BroadcastReceiver) {
+        try {
+            val filter = IntentFilter()
+            for (action in actions) {
+                filter.addAction(action)
+                receiverMap[action] = receiver
+            }
+            context.registerReceiver(receiver, filter)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 发送广播
+     *
+     * @param action 唯一码
+     * @param msg    参数
+     */
+    fun sendBroadcast(action: String, msg: String) {
+        try {
+            val intent = Intent()
+            intent.action = action
+            intent.putExtra("BroadcastData", msg)
+            context.sendBroadcast(intent)
+            Log.d(Tag, "sendBroadcast: $msg")
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 销毁广播
+     *
+     * @param actions action集合
+     */
+    fun destroy(vararg actions: String?) {
+        try {
+            for (action in actions) {
+                val receiver = receiverMap[action]
+                if (receiver != null) {
+                    context.unregisterReceiver(receiver)
+                }
+            }
+        } catch (e: IllegalArgumentException) {
+            e.printStackTrace()
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
index 44b83e3..77e25a1 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
@@ -13,6 +13,7 @@
 
     const val PERMISSIONS_CODE = 999
     const val PAGE_LIMIT = 15
+    const val BACK_TO_HOME = 19
     const val BLUETOOTH_ON = 20
     const val BLUETOOTH_OFF = 21
     const val CONNECT_SUCCESS = 22
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt b/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
index ea9b6b3..335f3ec 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
@@ -1,6 +1,5 @@
 package com.casic.birmm.inspect.utils
 
-import android.content.Context
 import android.os.Environment
 import android.util.Log
 import com.casic.birmm.inspect.base.BaseApplication
@@ -15,13 +14,9 @@
 
 object FileUtils {
     private const val Tag = "FileUtils"
-    private lateinit var context: Context
+    private val context = BaseApplication.obtainInstance()
     private var index = 1
 
-    fun initFileConfig() {
-        this.context = BaseApplication.instance
-    }
-
     val imageCompressPath: String
         get() {
             val imageDir = File(context.getExternalFilesDir(Environment.DIRECTORY_PICTURES), "")

diff --git a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
index e6a7719..bfe86fc 100644
--- a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
@@ -4,14 +4,13 @@
 import android.database.sqlite.SQLiteDatabase
 import com.casic.birmm.inspect.greendao.DaoMaster
 import com.casic.birmm.inspect.greendao.DaoSession
-import com.casic.birmm.inspect.utils.FileUtils
 import com.casic.birmm.inspect.utils.SaveKeyValues
 import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
 
     companion object {
-        var instance: BaseApplication by Delegates.notNull()
+        private var instance: BaseApplication by Delegates.notNull()
 
         private lateinit var daoSession: DaoSession
 
@@ -22,7 +21,6 @@
         super.onCreate()
         instance = this
         SaveKeyValues.initSharedPreferences()
-        FileUtils.initFileConfig()
         initDataBase()
     }
 
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
new file mode 100644
index 0000000..3994817
--- /dev/null
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
@@ -0,0 +1,90 @@
+package com.casic.birmm.inspect.utils
+
+import android.content.BroadcastReceiver
+import android.content.Intent
+import android.content.IntentFilter
+import android.util.Log
+import com.casic.birmm.inspect.base.BaseApplication
+
+
+class BroadcastReceiverManager private constructor() {
+
+    companion object {
+        private const val Tag = "BroadcastManager"
+
+        //Kotlin委托模式双重锁单例
+        val instance: BroadcastReceiverManager by lazy(mode = LazyThreadSafetyMode.SYNCHRONIZED) {
+            BroadcastReceiverManager()
+        }
+    }
+
+    private val receiverMap = HashMap<String, BroadcastReceiver>()
+    private val context = BaseApplication.obtainInstance()
+
+    /**
+     * 添加单个Action,广播的初始化
+     */
+    fun addAction(action: String, receiver: BroadcastReceiver) {
+        Log.d(Tag, "添加单个Action: $action")
+        try {
+            val filter = IntentFilter()
+            filter.addAction(action)
+            context.registerReceiver(receiver, filter)
+            receiverMap[action] = receiver
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 添加多个Action,广播的初始化
+     */
+    fun addAction(actions: Array<String>, receiver: BroadcastReceiver) {
+        try {
+            val filter = IntentFilter()
+            for (action in actions) {
+                filter.addAction(action)
+                receiverMap[action] = receiver
+            }
+            context.registerReceiver(receiver, filter)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 发送广播
+     *
+     * @param action 唯一码
+     * @param msg    参数
+     */
+    fun sendBroadcast(action: String, msg: String) {
+        try {
+            val intent = Intent()
+            intent.action = action
+            intent.putExtra("BroadcastData", msg)
+            context.sendBroadcast(intent)
+            Log.d(Tag, "sendBroadcast: $msg")
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 销毁广播
+     *
+     * @param actions action集合
+     */
+    fun destroy(vararg actions: String?) {
+        try {
+            for (action in actions) {
+                val receiver = receiverMap[action]
+                if (receiver != null) {
+                    context.unregisterReceiver(receiver)
+                }
+            }
+        } catch (e: IllegalArgumentException) {
+            e.printStackTrace()
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
index 44b83e3..77e25a1 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
@@ -13,6 +13,7 @@
 
     const val PERMISSIONS_CODE = 999
     const val PAGE_LIMIT = 15
+    const val BACK_TO_HOME = 19
     const val BLUETOOTH_ON = 20
     const val BLUETOOTH_OFF = 21
     const val CONNECT_SUCCESS = 22
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt b/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
index ea9b6b3..335f3ec 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
@@ -1,6 +1,5 @@
 package com.casic.birmm.inspect.utils
 
-import android.content.Context
 import android.os.Environment
 import android.util.Log
 import com.casic.birmm.inspect.base.BaseApplication
@@ -15,13 +14,9 @@
 
 object FileUtils {
     private const val Tag = "FileUtils"
-    private lateinit var context: Context
+    private val context = BaseApplication.obtainInstance()
     private var index = 1
 
-    fun initFileConfig() {
-        this.context = BaseApplication.instance
-    }
-
     val imageCompressPath: String
         get() {
             val imageDir = File(context.getExternalFilesDir(Environment.DIRECTORY_PICTURES), "")
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt b/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
index 7929a38..3699697 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
@@ -4,10 +4,11 @@
 import com.casic.birmm.inspect.base.BaseApplication
 
 object SaveKeyValues {
+    private val context = BaseApplication.obtainInstance()
     private var fileName: String? = null
 
     fun initSharedPreferences() {
-        val packageName = BaseApplication.instance.packageName
+        val packageName = context.packageName
         //获取到的包名带有“.”方便命名，取最后一个作为sp文件名，例如:com.casic.birmm.inspect
         val split = packageName.split(".")
         fileName = split[split.size - 1]
@@ -17,7 +18,7 @@
      * 存储
      */
     fun putValue(key: String?, obj: Any) {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -48,7 +49,7 @@
      * 获取保存的数据
      */
     operator fun getValue(key: String?, defaultObject: Any?): Any? {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -78,7 +79,7 @@
      * 移除某个key值已经对应的值
      */
     fun removeKey(key: String?) {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -89,7 +90,7 @@
      * 清除所有数据
      */
     fun clearAll() {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -100,7 +101,7 @@
      * 查询某个key是否存在
      */
     fun containsKey(key: String?): Boolean {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!

diff --git a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
index e6a7719..bfe86fc 100644
--- a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
@@ -4,14 +4,13 @@
 import android.database.sqlite.SQLiteDatabase
 import com.casic.birmm.inspect.greendao.DaoMaster
 import com.casic.birmm.inspect.greendao.DaoSession
-import com.casic.birmm.inspect.utils.FileUtils
 import com.casic.birmm.inspect.utils.SaveKeyValues
 import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
 
     companion object {
-        var instance: BaseApplication by Delegates.notNull()
+        private var instance: BaseApplication by Delegates.notNull()
 
         private lateinit var daoSession: DaoSession
 
@@ -22,7 +21,6 @@
         super.onCreate()
         instance = this
         SaveKeyValues.initSharedPreferences()
-        FileUtils.initFileConfig()
         initDataBase()
     }
 
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
new file mode 100644
index 0000000..3994817
--- /dev/null
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
@@ -0,0 +1,90 @@
+package com.casic.birmm.inspect.utils
+
+import android.content.BroadcastReceiver
+import android.content.Intent
+import android.content.IntentFilter
+import android.util.Log
+import com.casic.birmm.inspect.base.BaseApplication
+
+
+class BroadcastReceiverManager private constructor() {
+
+    companion object {
+        private const val Tag = "BroadcastManager"
+
+        //Kotlin委托模式双重锁单例
+        val instance: BroadcastReceiverManager by lazy(mode = LazyThreadSafetyMode.SYNCHRONIZED) {
+            BroadcastReceiverManager()
+        }
+    }
+
+    private val receiverMap = HashMap<String, BroadcastReceiver>()
+    private val context = BaseApplication.obtainInstance()
+
+    /**
+     * 添加单个Action,广播的初始化
+     */
+    fun addAction(action: String, receiver: BroadcastReceiver) {
+        Log.d(Tag, "添加单个Action: $action")
+        try {
+            val filter = IntentFilter()
+            filter.addAction(action)
+            context.registerReceiver(receiver, filter)
+            receiverMap[action] = receiver
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 添加多个Action,广播的初始化
+     */
+    fun addAction(actions: Array<String>, receiver: BroadcastReceiver) {
+        try {
+            val filter = IntentFilter()
+            for (action in actions) {
+                filter.addAction(action)
+                receiverMap[action] = receiver
+            }
+            context.registerReceiver(receiver, filter)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 发送广播
+     *
+     * @param action 唯一码
+     * @param msg    参数
+     */
+    fun sendBroadcast(action: String, msg: String) {
+        try {
+            val intent = Intent()
+            intent.action = action
+            intent.putExtra("BroadcastData", msg)
+            context.sendBroadcast(intent)
+            Log.d(Tag, "sendBroadcast: $msg")
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 销毁广播
+     *
+     * @param actions action集合
+     */
+    fun destroy(vararg actions: String?) {
+        try {
+            for (action in actions) {
+                val receiver = receiverMap[action]
+                if (receiver != null) {
+                    context.unregisterReceiver(receiver)
+                }
+            }
+        } catch (e: IllegalArgumentException) {
+            e.printStackTrace()
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
index 44b83e3..77e25a1 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
@@ -13,6 +13,7 @@
 
     const val PERMISSIONS_CODE = 999
     const val PAGE_LIMIT = 15
+    const val BACK_TO_HOME = 19
     const val BLUETOOTH_ON = 20
     const val BLUETOOTH_OFF = 21
     const val CONNECT_SUCCESS = 22
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt b/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
index ea9b6b3..335f3ec 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
@@ -1,6 +1,5 @@
 package com.casic.birmm.inspect.utils
 
-import android.content.Context
 import android.os.Environment
 import android.util.Log
 import com.casic.birmm.inspect.base.BaseApplication
@@ -15,13 +14,9 @@
 
 object FileUtils {
     private const val Tag = "FileUtils"
-    private lateinit var context: Context
+    private val context = BaseApplication.obtainInstance()
     private var index = 1
 
-    fun initFileConfig() {
-        this.context = BaseApplication.instance
-    }
-
     val imageCompressPath: String
         get() {
             val imageDir = File(context.getExternalFilesDir(Environment.DIRECTORY_PICTURES), "")
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt b/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
index 7929a38..3699697 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
@@ -4,10 +4,11 @@
 import com.casic.birmm.inspect.base.BaseApplication
 
 object SaveKeyValues {
+    private val context = BaseApplication.obtainInstance()
     private var fileName: String? = null
 
     fun initSharedPreferences() {
-        val packageName = BaseApplication.instance.packageName
+        val packageName = context.packageName
         //获取到的包名带有“.”方便命名，取最后一个作为sp文件名，例如:com.casic.birmm.inspect
         val split = packageName.split(".")
         fileName = split[split.size - 1]
@@ -17,7 +18,7 @@
      * 存储
      */
     fun putValue(key: String?, obj: Any) {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -48,7 +49,7 @@
      * 获取保存的数据
      */
     operator fun getValue(key: String?, defaultObject: Any?): Any? {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -78,7 +79,7 @@
      * 移除某个key值已经对应的值
      */
     fun removeKey(key: String?) {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -89,7 +90,7 @@
      * 清除所有数据
      */
     fun clearAll() {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -100,7 +101,7 @@
      * 查询某个key是否存在
      */
     fun containsKey(key: String?): Boolean {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
diff --git a/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt b/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt
index 3ed63d0..f9598e8 100644
--- a/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt
@@ -1,5 +1,7 @@
 package com.casic.birmm.inspect.view
 
+import android.content.BroadcastReceiver
+import android.content.Context
 import android.content.Intent
 import android.view.KeyEvent
 import android.view.View
@@ -41,6 +43,22 @@
             // 如果不是单机模式登录，则获取用户信息
             obtainUserInfo()
         }
+        BroadcastReceiverManager.instance.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS,
+            object : BroadcastReceiver() {
+                override fun onReceive(context: Context?, intent: Intent?) {
+                    val action = intent!!.action
+                    if (action.equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) {
+                        /**
+                         * 监听APP回到桌面，暂时保存巡检到本地缓存
+                         * */
+                        if (isSingleMode) {
+                            SingleModeMapActivity.sendEmptyMessage(Constant.BACK_TO_HOME)
+                        } else {
+                            MapActivity.sendEmptyMessage(Constant.BACK_TO_HOME)
+                        }
+                    }
+                }
+            })
     }
 
     private fun obtainUserInfo() {

diff --git a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
index e6a7719..bfe86fc 100644
--- a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
@@ -4,14 +4,13 @@
 import android.database.sqlite.SQLiteDatabase
 import com.casic.birmm.inspect.greendao.DaoMaster
 import com.casic.birmm.inspect.greendao.DaoSession
-import com.casic.birmm.inspect.utils.FileUtils
 import com.casic.birmm.inspect.utils.SaveKeyValues
 import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
 
     companion object {
-        var instance: BaseApplication by Delegates.notNull()
+        private var instance: BaseApplication by Delegates.notNull()
 
         private lateinit var daoSession: DaoSession
 
@@ -22,7 +21,6 @@
         super.onCreate()
         instance = this
         SaveKeyValues.initSharedPreferences()
-        FileUtils.initFileConfig()
         initDataBase()
     }
 
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
new file mode 100644
index 0000000..3994817
--- /dev/null
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
@@ -0,0 +1,90 @@
+package com.casic.birmm.inspect.utils
+
+import android.content.BroadcastReceiver
+import android.content.Intent
+import android.content.IntentFilter
+import android.util.Log
+import com.casic.birmm.inspect.base.BaseApplication
+
+
+class BroadcastReceiverManager private constructor() {
+
+    companion object {
+        private const val Tag = "BroadcastManager"
+
+        //Kotlin委托模式双重锁单例
+        val instance: BroadcastReceiverManager by lazy(mode = LazyThreadSafetyMode.SYNCHRONIZED) {
+            BroadcastReceiverManager()
+        }
+    }
+
+    private val receiverMap = HashMap<String, BroadcastReceiver>()
+    private val context = BaseApplication.obtainInstance()
+
+    /**
+     * 添加单个Action,广播的初始化
+     */
+    fun addAction(action: String, receiver: BroadcastReceiver) {
+        Log.d(Tag, "添加单个Action: $action")
+        try {
+            val filter = IntentFilter()
+            filter.addAction(action)
+            context.registerReceiver(receiver, filter)
+            receiverMap[action] = receiver
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 添加多个Action,广播的初始化
+     */
+    fun addAction(actions: Array<String>, receiver: BroadcastReceiver) {
+        try {
+            val filter = IntentFilter()
+            for (action in actions) {
+                filter.addAction(action)
+                receiverMap[action] = receiver
+            }
+            context.registerReceiver(receiver, filter)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 发送广播
+     *
+     * @param action 唯一码
+     * @param msg    参数
+     */
+    fun sendBroadcast(action: String, msg: String) {
+        try {
+            val intent = Intent()
+            intent.action = action
+            intent.putExtra("BroadcastData", msg)
+            context.sendBroadcast(intent)
+            Log.d(Tag, "sendBroadcast: $msg")
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 销毁广播
+     *
+     * @param actions action集合
+     */
+    fun destroy(vararg actions: String?) {
+        try {
+            for (action in actions) {
+                val receiver = receiverMap[action]
+                if (receiver != null) {
+                    context.unregisterReceiver(receiver)
+                }
+            }
+        } catch (e: IllegalArgumentException) {
+            e.printStackTrace()
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
index 44b83e3..77e25a1 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
@@ -13,6 +13,7 @@
 
     const val PERMISSIONS_CODE = 999
     const val PAGE_LIMIT = 15
+    const val BACK_TO_HOME = 19
     const val BLUETOOTH_ON = 20
     const val BLUETOOTH_OFF = 21
     const val CONNECT_SUCCESS = 22
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt b/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
index ea9b6b3..335f3ec 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
@@ -1,6 +1,5 @@
 package com.casic.birmm.inspect.utils
 
-import android.content.Context
 import android.os.Environment
 import android.util.Log
 import com.casic.birmm.inspect.base.BaseApplication
@@ -15,13 +14,9 @@
 
 object FileUtils {
     private const val Tag = "FileUtils"
-    private lateinit var context: Context
+    private val context = BaseApplication.obtainInstance()
     private var index = 1
 
-    fun initFileConfig() {
-        this.context = BaseApplication.instance
-    }
-
     val imageCompressPath: String
         get() {
             val imageDir = File(context.getExternalFilesDir(Environment.DIRECTORY_PICTURES), "")
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt b/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
index 7929a38..3699697 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
@@ -4,10 +4,11 @@
 import com.casic.birmm.inspect.base.BaseApplication
 
 object SaveKeyValues {
+    private val context = BaseApplication.obtainInstance()
     private var fileName: String? = null
 
     fun initSharedPreferences() {
-        val packageName = BaseApplication.instance.packageName
+        val packageName = context.packageName
         //获取到的包名带有“.”方便命名，取最后一个作为sp文件名，例如:com.casic.birmm.inspect
         val split = packageName.split(".")
         fileName = split[split.size - 1]
@@ -17,7 +18,7 @@
      * 存储
      */
     fun putValue(key: String?, obj: Any) {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -48,7 +49,7 @@
      * 获取保存的数据
      */
     operator fun getValue(key: String?, defaultObject: Any?): Any? {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -78,7 +79,7 @@
      * 移除某个key值已经对应的值
      */
     fun removeKey(key: String?) {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -89,7 +90,7 @@
      * 清除所有数据
      */
     fun clearAll() {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -100,7 +101,7 @@
      * 查询某个key是否存在
      */
     fun containsKey(key: String?): Boolean {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
diff --git a/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt b/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt
index 3ed63d0..f9598e8 100644
--- a/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt
@@ -1,5 +1,7 @@
 package com.casic.birmm.inspect.view
 
+import android.content.BroadcastReceiver
+import android.content.Context
 import android.content.Intent
 import android.view.KeyEvent
 import android.view.View
@@ -41,6 +43,22 @@
             // 如果不是单机模式登录，则获取用户信息
             obtainUserInfo()
         }
+        BroadcastReceiverManager.instance.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS,
+            object : BroadcastReceiver() {
+                override fun onReceive(context: Context?, intent: Intent?) {
+                    val action = intent!!.action
+                    if (action.equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) {
+                        /**
+                         * 监听APP回到桌面，暂时保存巡检到本地缓存
+                         * */
+                        if (isSingleMode) {
+                            SingleModeMapActivity.sendEmptyMessage(Constant.BACK_TO_HOME)
+                        } else {
+                            MapActivity.sendEmptyMessage(Constant.BACK_TO_HOME)
+                        }
+                    }
+                }
+            })
     }
 
     private fun obtainUserInfo() {
diff --git a/app/src/main/java/com/casic/birmm/inspect/view/MapActivity.kt b/app/src/main/java/com/casic/birmm/inspect/view/MapActivity.kt
index 05b1fd5..1a530fb 100644
--- a/app/src/main/java/com/casic/birmm/inspect/view/MapActivity.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/view/MapActivity.kt
@@ -24,7 +24,6 @@
 import com.amap.api.maps.model.MyLocationStyle
 import com.casic.birmm.inspect.R
 import com.casic.birmm.inspect.bean.BlueToothBean
-import com.casic.birmm.inspect.bean.InspectionLocalBean
 import com.casic.birmm.inspect.extensions.*
 import com.casic.birmm.inspect.model.NewInspectionModel
 import com.casic.birmm.inspect.model.NewRouteModel
@@ -328,11 +327,11 @@
                 .build().show()
         } else {
             val currentInspection = SaveKeyValues.getValue(Constant.INSPECTION_OBJECT, "") as String
-            val localBean = gson.fromJson(currentInspection, InspectionLocalBean::class.java)
+            val modelCache = gson.fromJson(currentInspection, NewInspectionModel::class.java)
             model = NewInspectionModel(
-                localBean.inspectionId, localBean.name, localBean.startTime, "", localBean.date,
-                localBean.startLng, localBean.startLat, 0.0, 0.0,
-                localBean.routes, localBean.user
+                modelCache.id, modelCache.name, modelCache.startTime, "", modelCache.date,
+                modelCache.startLng, modelCache.startLat, 0.0, 0.0,
+                modelCache.routes, modelCache.user
             )
             "欢迎回来，继续未完成巡检".show(this)
             startInspection()
@@ -387,6 +386,14 @@
         override fun handleMessage(msg: Message) {
             val mapActivity = activity.get() ?: return
             when (msg.what) {
+                Constant.BACK_TO_HOME -> {
+                    SaveKeyValues.putValue(
+                        Constant.INSPECTION_OBJECT,
+                        mapActivity.gson.toJson(mapActivity.model)
+                    )
+                    SaveKeyValues.putValue(Constant.INSPECTION_COMPLETED, false)
+                    "此次巡检未完，已替您缓存".show(mapActivity)
+                }
                 Constant.BLUETOOTH_ON -> {
                     "蓝牙已开启".show(mapActivity)
                     mapActivity.bluetoothButton.setImageResource(R.drawable.ic_bluetooth_enable)
@@ -656,6 +663,16 @@
         })
     }
 
+    /**
+     * 巡检过程中点击返回键，暂时保存巡检到本地缓存
+     * */
+    override fun onBackPressed() {
+        SaveKeyValues.putValue(Constant.INSPECTION_OBJECT, gson.toJson(model))
+        SaveKeyValues.putValue(Constant.INSPECTION_COMPLETED, false)
+        "此次巡检未完，已替您缓存".show(this)
+        super.onBackPressed()
+    }
+
     /***以下是地图生命周期管理************************************************************************/
 
     override fun onResume() {
@@ -676,8 +693,6 @@
     override fun onDestroy() {
         cancel()
         super.onDestroy()
-//        stopInspection()
-        BLEManager.disConnectDevice()
         mapView.onDestroy()
     }
 }
\ No newline at end of file

diff --git a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
index e6a7719..bfe86fc 100644
--- a/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/base/BaseApplication.kt
@@ -4,14 +4,13 @@
 import android.database.sqlite.SQLiteDatabase
 import com.casic.birmm.inspect.greendao.DaoMaster
 import com.casic.birmm.inspect.greendao.DaoSession
-import com.casic.birmm.inspect.utils.FileUtils
 import com.casic.birmm.inspect.utils.SaveKeyValues
 import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
 
     companion object {
-        var instance: BaseApplication by Delegates.notNull()
+        private var instance: BaseApplication by Delegates.notNull()
 
         private lateinit var daoSession: DaoSession
 
@@ -22,7 +21,6 @@
         super.onCreate()
         instance = this
         SaveKeyValues.initSharedPreferences()
-        FileUtils.initFileConfig()
         initDataBase()
     }
 
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
new file mode 100644
index 0000000..3994817
--- /dev/null
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/BroadcastReceiverManager.kt
@@ -0,0 +1,90 @@
+package com.casic.birmm.inspect.utils
+
+import android.content.BroadcastReceiver
+import android.content.Intent
+import android.content.IntentFilter
+import android.util.Log
+import com.casic.birmm.inspect.base.BaseApplication
+
+
+class BroadcastReceiverManager private constructor() {
+
+    companion object {
+        private const val Tag = "BroadcastManager"
+
+        //Kotlin委托模式双重锁单例
+        val instance: BroadcastReceiverManager by lazy(mode = LazyThreadSafetyMode.SYNCHRONIZED) {
+            BroadcastReceiverManager()
+        }
+    }
+
+    private val receiverMap = HashMap<String, BroadcastReceiver>()
+    private val context = BaseApplication.obtainInstance()
+
+    /**
+     * 添加单个Action,广播的初始化
+     */
+    fun addAction(action: String, receiver: BroadcastReceiver) {
+        Log.d(Tag, "添加单个Action: $action")
+        try {
+            val filter = IntentFilter()
+            filter.addAction(action)
+            context.registerReceiver(receiver, filter)
+            receiverMap[action] = receiver
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 添加多个Action,广播的初始化
+     */
+    fun addAction(actions: Array<String>, receiver: BroadcastReceiver) {
+        try {
+            val filter = IntentFilter()
+            for (action in actions) {
+                filter.addAction(action)
+                receiverMap[action] = receiver
+            }
+            context.registerReceiver(receiver, filter)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 发送广播
+     *
+     * @param action 唯一码
+     * @param msg    参数
+     */
+    fun sendBroadcast(action: String, msg: String) {
+        try {
+            val intent = Intent()
+            intent.action = action
+            intent.putExtra("BroadcastData", msg)
+            context.sendBroadcast(intent)
+            Log.d(Tag, "sendBroadcast: $msg")
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 销毁广播
+     *
+     * @param actions action集合
+     */
+    fun destroy(vararg actions: String?) {
+        try {
+            for (action in actions) {
+                val receiver = receiverMap[action]
+                if (receiver != null) {
+                    context.unregisterReceiver(receiver)
+                }
+            }
+        } catch (e: IllegalArgumentException) {
+            e.printStackTrace()
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
index 44b83e3..77e25a1 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/Constant.kt
@@ -13,6 +13,7 @@
 
     const val PERMISSIONS_CODE = 999
     const val PAGE_LIMIT = 15
+    const val BACK_TO_HOME = 19
     const val BLUETOOTH_ON = 20
     const val BLUETOOTH_OFF = 21
     const val CONNECT_SUCCESS = 22
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt b/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
index ea9b6b3..335f3ec 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/FileUtils.kt
@@ -1,6 +1,5 @@
 package com.casic.birmm.inspect.utils
 
-import android.content.Context
 import android.os.Environment
 import android.util.Log
 import com.casic.birmm.inspect.base.BaseApplication
@@ -15,13 +14,9 @@
 
 object FileUtils {
     private const val Tag = "FileUtils"
-    private lateinit var context: Context
+    private val context = BaseApplication.obtainInstance()
     private var index = 1
 
-    fun initFileConfig() {
-        this.context = BaseApplication.instance
-    }
-
     val imageCompressPath: String
         get() {
             val imageDir = File(context.getExternalFilesDir(Environment.DIRECTORY_PICTURES), "")
diff --git a/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt b/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
index 7929a38..3699697 100644
--- a/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/utils/SaveKeyValues.kt
@@ -4,10 +4,11 @@
 import com.casic.birmm.inspect.base.BaseApplication
 
 object SaveKeyValues {
+    private val context = BaseApplication.obtainInstance()
     private var fileName: String? = null
 
     fun initSharedPreferences() {
-        val packageName = BaseApplication.instance.packageName
+        val packageName = context.packageName
         //获取到的包名带有“.”方便命名，取最后一个作为sp文件名，例如:com.casic.birmm.inspect
         val split = packageName.split(".")
         fileName = split[split.size - 1]
@@ -17,7 +18,7 @@
      * 存储
      */
     fun putValue(key: String?, obj: Any) {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -48,7 +49,7 @@
      * 获取保存的数据
      */
     operator fun getValue(key: String?, defaultObject: Any?): Any? {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -78,7 +79,7 @@
      * 移除某个key值已经对应的值
      */
     fun removeKey(key: String?) {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -89,7 +90,7 @@
      * 清除所有数据
      */
     fun clearAll() {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
@@ -100,7 +101,7 @@
      * 查询某个key是否存在
      */
     fun containsKey(key: String?): Boolean {
-        val sharedPreferences = BaseApplication.instance.getSharedPreferences(
+        val sharedPreferences = context.getSharedPreferences(
             fileName,
             Context.MODE_PRIVATE
         )!!
diff --git a/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt b/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt
index 3ed63d0..f9598e8 100644
--- a/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/view/MainActivity.kt
@@ -1,5 +1,7 @@
 package com.casic.birmm.inspect.view
 
+import android.content.BroadcastReceiver
+import android.content.Context
 import android.content.Intent
 import android.view.KeyEvent
 import android.view.View
@@ -41,6 +43,22 @@
             // 如果不是单机模式登录，则获取用户信息
             obtainUserInfo()
         }
+        BroadcastReceiverManager.instance.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS,
+            object : BroadcastReceiver() {
+                override fun onReceive(context: Context?, intent: Intent?) {
+                    val action = intent!!.action
+                    if (action.equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) {
+                        /**
+                         * 监听APP回到桌面，暂时保存巡检到本地缓存
+                         * */
+                        if (isSingleMode) {
+                            SingleModeMapActivity.sendEmptyMessage(Constant.BACK_TO_HOME)
+                        } else {
+                            MapActivity.sendEmptyMessage(Constant.BACK_TO_HOME)
+                        }
+                    }
+                }
+            })
     }
 
     private fun obtainUserInfo() {
diff --git a/app/src/main/java/com/casic/birmm/inspect/view/MapActivity.kt b/app/src/main/java/com/casic/birmm/inspect/view/MapActivity.kt
index 05b1fd5..1a530fb 100644
--- a/app/src/main/java/com/casic/birmm/inspect/view/MapActivity.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/view/MapActivity.kt
@@ -24,7 +24,6 @@
 import com.amap.api.maps.model.MyLocationStyle
 import com.casic.birmm.inspect.R
 import com.casic.birmm.inspect.bean.BlueToothBean
-import com.casic.birmm.inspect.bean.InspectionLocalBean
 import com.casic.birmm.inspect.extensions.*
 import com.casic.birmm.inspect.model.NewInspectionModel
 import com.casic.birmm.inspect.model.NewRouteModel
@@ -328,11 +327,11 @@
                 .build().show()
         } else {
             val currentInspection = SaveKeyValues.getValue(Constant.INSPECTION_OBJECT, "") as String
-            val localBean = gson.fromJson(currentInspection, InspectionLocalBean::class.java)
+            val modelCache = gson.fromJson(currentInspection, NewInspectionModel::class.java)
             model = NewInspectionModel(
-                localBean.inspectionId, localBean.name, localBean.startTime, "", localBean.date,
-                localBean.startLng, localBean.startLat, 0.0, 0.0,
-                localBean.routes, localBean.user
+                modelCache.id, modelCache.name, modelCache.startTime, "", modelCache.date,
+                modelCache.startLng, modelCache.startLat, 0.0, 0.0,
+                modelCache.routes, modelCache.user
             )
             "欢迎回来，继续未完成巡检".show(this)
             startInspection()
@@ -387,6 +386,14 @@
         override fun handleMessage(msg: Message) {
             val mapActivity = activity.get() ?: return
             when (msg.what) {
+                Constant.BACK_TO_HOME -> {
+                    SaveKeyValues.putValue(
+                        Constant.INSPECTION_OBJECT,
+                        mapActivity.gson.toJson(mapActivity.model)
+                    )
+                    SaveKeyValues.putValue(Constant.INSPECTION_COMPLETED, false)
+                    "此次巡检未完，已替您缓存".show(mapActivity)
+                }
                 Constant.BLUETOOTH_ON -> {
                     "蓝牙已开启".show(mapActivity)
                     mapActivity.bluetoothButton.setImageResource(R.drawable.ic_bluetooth_enable)
@@ -656,6 +663,16 @@
         })
     }
 
+    /**
+     * 巡检过程中点击返回键，暂时保存巡检到本地缓存
+     * */
+    override fun onBackPressed() {
+        SaveKeyValues.putValue(Constant.INSPECTION_OBJECT, gson.toJson(model))
+        SaveKeyValues.putValue(Constant.INSPECTION_COMPLETED, false)
+        "此次巡检未完，已替您缓存".show(this)
+        super.onBackPressed()
+    }
+
     /***以下是地图生命周期管理************************************************************************/
 
     override fun onResume() {
@@ -676,8 +693,6 @@
     override fun onDestroy() {
         cancel()
         super.onDestroy()
-//        stopInspection()
-        BLEManager.disConnectDevice()
         mapView.onDestroy()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/birmm/inspect/view/SingleModeMapActivity.kt b/app/src/main/java/com/casic/birmm/inspect/view/SingleModeMapActivity.kt
index 34c7047..65a36dc 100644
--- a/app/src/main/java/com/casic/birmm/inspect/view/SingleModeMapActivity.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/view/SingleModeMapActivity.kt
@@ -22,7 +22,6 @@
 import com.casic.birmm.inspect.R
 import com.casic.birmm.inspect.base.BaseSingleModeActivity
 import com.casic.birmm.inspect.bean.BlueToothBean
-import com.casic.birmm.inspect.bean.InspectionLocalBean
 import com.casic.birmm.inspect.extensions.*
 import com.casic.birmm.inspect.model.NewInspectionModel
 import com.casic.birmm.inspect.model.NewRouteModel
@@ -277,11 +276,11 @@
                 .build().show()
         } else {
             val currentInspection = SaveKeyValues.getValue(Constant.INSPECTION_OBJECT, "") as String
-            val localBean = gson.fromJson(currentInspection, InspectionLocalBean::class.java)
+            val modelCache = gson.fromJson(currentInspection, NewInspectionModel::class.java)
             model = NewInspectionModel(
-                localBean.inspectionId, localBean.name, localBean.startTime, "", localBean.date,
-                localBean.startLng, localBean.startLat, 0.0, 0.0,
-                localBean.routes, localBean.user
+                modelCache.id, modelCache.name, modelCache.startTime, "", modelCache.date,
+                modelCache.startLng, modelCache.startLat, 0.0, 0.0,
+                modelCache.routes, modelCache.user
             )
             "欢迎回来，继续未完成巡检".show(this)
             startInspection()
@@ -336,6 +335,14 @@
         override fun handleMessage(msg: Message) {
             val mapActivity = activity.get() ?: return
             when (msg.what) {
+                Constant.BACK_TO_HOME -> {
+                    SaveKeyValues.putValue(
+                        Constant.INSPECTION_OBJECT,
+                        mapActivity.gson.toJson(mapActivity.model)
+                    )
+                    SaveKeyValues.putValue(Constant.INSPECTION_COMPLETED, false)
+                    "此次巡检未完，已替您缓存".show(mapActivity)
+                }
                 Constant.BLUETOOTH_ON -> {
                     "蓝牙已开启".show(mapActivity)
                     mapActivity.bluetoothButton.setImageResource(R.drawable.ic_bluetooth_enable)
@@ -599,6 +606,16 @@
         }
     }
 
+    /**
+     * 巡检过程中点击返回键，暂时保存巡检到本地缓存
+     * */
+    override fun onBackPressed() {
+        SaveKeyValues.putValue(Constant.INSPECTION_OBJECT, gson.toJson(model))
+        SaveKeyValues.putValue(Constant.INSPECTION_COMPLETED, false)
+        "此次巡检未完，已替您缓存".show(this)
+        super.onBackPressed()
+    }
+
     /***以下是地图生命周期管理************************************************************************/
 
     override fun onResume() {
@@ -618,7 +635,6 @@
 
     override fun onDestroy() {
         super.onDestroy()
-        BLEManager.disConnectDevice()
         mapView.onDestroy()
     }
 }
\ No newline at end of file