fix

app/src/main/java/com/qimai/android/widget/ZqToolActivity.kt

 package com.qimai.android.widget
 
+import android.content.Context
 import android.content.SharedPreferences
 import android.graphics.Color
 import android.os.Bundle
@@ -12,6 +13,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
 import com.qmai.zqtoolkit.ZqScaleKit
+import com.qmai.zqtoolkit.ZqWeightX
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
 
@@ -41,15 +43,20 @@ class ZqToolActivity : AppCompatActivity() {
 
     private var m_bConnected = false
     private var m_bThreadAutoReadExit = true
-    private val zqScaleVm by lazy {
-        ViewModelProvider(this).get(ZqScaleKit::class.java)
+//    private val  ZqScaleKit.instance by lazy {
+//        ViewModelProvider(this).get(ZqScaleKit::class.java)
+//    }
+
+    private val mv by lazy {
+        ViewModelProvider(this).get(ZqWeightX::class.java)
     }
+    private var mContext:Context? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_zqtool)
         //
-
+        mContext = this
 
         //
         //
@@ -129,7 +136,7 @@ class ZqToolActivity : AppCompatActivity() {
 
 
         lifecycleScope.launch {
-            zqScaleVm.connectState.collect {
+            ZqScaleKit.instance.connectState.collect {
                 if (lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)) {
                     m_bConnected = it.isConnect
                     if (m_bConnected) {
@@ -138,10 +145,9 @@ class ZqToolActivity : AppCompatActivity() {
                     Log.d(TAG, it.toString())
                 }
             }
-
-        }
+         }
         lifecycleScope.launch {
-            zqScaleVm.livingWeight.collect {
+             ZqScaleKit.instance.livingWeight.collect {
                 if (lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)) {
                     Log.d(TAG, it.toString())
                     if (it.isStable) {
@@ -161,11 +167,11 @@ class ZqToolActivity : AppCompatActivity() {
 
     override fun onPause() {
         super.onPause()
-        zqScaleVm.stopReadData()
+         ZqScaleKit.instance.stopReadData()
         m_bThreadAutoReadExit = true
         if (m_bConnected) {
             m_bConnected = false
-            zqScaleVm.disconnect()
+             ZqScaleKit.instance.disconnect()
             butConnect!!.text = "连接"
         }
     }
@@ -176,7 +182,7 @@ class ZqToolActivity : AppCompatActivity() {
             when (v.id) {
                 R.id.ButConnect -> {
                     if (!m_bConnected) {
-                        zqScaleVm.connect(v.context)
+                         ZqScaleKit.instance.connect(v.context)
 //                        Thread {
 //                            if (zqeb.EB_Connect(
 //                                    String.format(
@@ -193,24 +199,24 @@ class ZqToolActivity : AppCompatActivity() {
 //                        }.start()
                     } else {
                         m_bThreadAutoReadExit = true
-                        zqScaleVm.disconnect()
+                         ZqScaleKit.instance.disconnect()
                         m_bConnected = false
                         butConnect!!.text = "连接"
                     }
                 }
                 R.id.ButSetZero -> {
                     if (m_bConnected) {
-                        zqScaleVm.setZero()
+                         ZqScaleKit.instance.setZero()
                     }
                 }
                 R.id.ButNetweight -> {
                     if (m_bConnected) {
-                        zqScaleVm.setNetWeight()
+                         ZqScaleKit.instance.setNetWeight()
                     }
                 }
                 R.id.ButClearTare -> {
                     if (m_bConnected) {
-                        zqScaleVm.clearTare()
+                         ZqScaleKit.instance.clearTare()
                     }
                 }
                 R.id.ButSetTare -> {
@@ -220,12 +226,12 @@ class ZqToolActivity : AppCompatActivity() {
                 }
                 R.id.ButAutoRead -> {
                     if (m_bConnected) {
-                        zqScaleVm.readData()
+                         ZqScaleKit.instance.readData()
                     }
                 }
                 R.id.ButAutoStopRead -> {
                     if (m_bConnected) {
-                        zqScaleVm.stopReadData()
+                         ZqScaleKit.instance.stopReadData()
                     }
 //                    val strText = butAutoRead!!.text.toString()
 //                    if (strText == "开始读数") {

zqtoolkit/build.gradle

@@ -30,7 +30,7 @@ android {
     }
 }
 group 'com.qmai.android.zqtoolkit'
-version '1.0.2.1'
+version '1.0.4'
 
 gradlePublish {
 

zqtoolkit/src/main/java/com/qmai/zqtoolkit/ZqScaleKit.kt

@@ -13,7 +13,14 @@ import kotlinx.coroutines.flow.*
  *  date : 2022/2/10 14:18
  *  description :
  */
-class ZqScaleKit : ViewModel() {
+class ZqScaleKit private constructor() {
+    companion object {
+        val instance = Helper.instance
+    }
+
+    private object Helper {
+        val instance = ZqScaleKit()
+    }
 
     private val zqeb by lazy {
         zqebsdk()