...

app/src/main/java/com/base/scanqr/bean/WifiUIBean.kt

 package com.base.scanqr.bean
 
 import com.base.scanqr.bean.FunctionUIBean.Companion.KEY_WIFI
+import com.base.scanqr.utils.LogEx
 import com.base.scanqr.utils.QRCodeUtils.getPairKeyValue
 
 
@@ -22,6 +23,29 @@ data class WifiUIBean(
             return false
         }
 
+        fun createWifiQRString(bean: WifiUIBean): String {
+
+            val content = StringBuilder()
+            content.append("WIFI:")
+            content.append("T:")
+            if (bean.securityId == 0) {
+                content.append("WPA/WPA2").append(";")
+            }
+            if (bean.securityId == 1) {
+                content.append("WEP").append(";")
+            }
+            if (bean.securityId == 2) {
+                content.append(";")
+            }
+            content.append("S:")
+            content.append(bean.ssid).append(";")
+            content.append("P:")
+            content.append(bean.password).append(";")
+            content.append("H:")
+            content.append(bean.hidden).append(";")
+
+            return  content.toString()
+        }
         fun createWifiBean(qrCodeValue: String): WifiUIBean {
             val startTag = "WIFI:"
             val subString = qrCodeValue.subSequence(startTag.length, qrCodeValue.length)

app/src/main/java/com/base/scanqr/bean/config/AdConfigBean.kt

@@ -9,7 +9,7 @@ class AdConfigBean(
     var openAdLoading: Int = 15,
     var functionBackShowAd: Boolean = true,
     var functionInShowAd: Boolean = true,
-    var createFgInterval: Int = 1,
+    var tabFgInterval: Int = 15,
 ) {
     companion object {
         /**

app/src/main/java/com/base/scanqr/ui/contact/ContractCodeActivity.kt

 package com.base.scanqr.ui.contact
 
-import android.Manifest
-import android.os.Environment
 import androidx.activity.addCallback
 import androidx.core.view.updatePadding
+import androidx.lifecycle.ViewModelProvider
 import com.base.scanqr.R
 import com.base.scanqr.ads.AdsMgr
 import com.base.scanqr.ads.AdsShowCallBack
@@ -11,6 +10,7 @@ import com.base.scanqr.base.BaseActivity
 import com.base.scanqr.bean.ContractUIBean
 import com.base.scanqr.bean.FunctionUIBean
 import com.base.scanqr.databinding.ActivityContractCodeBinding
+import com.base.scanqr.ui.vm.QrViewModel
 import com.base.scanqr.ui.widget.InputNameDialog.showInputNameDialog
 import com.base.scanqr.utils.BarUtils
 import com.base.scanqr.utils.BitmapUtils.saveBitmapToFile
@@ -28,8 +28,12 @@ class ContractCodeActivity : BaseActivity<ActivityContractCodeBinding>(ActivityC
 
 
     private var contractUIBean = ContractUIBean()
-    private var tempImage: String = ""
-    private var contractQrString = ""
+    private var tempImagePath: String = ""
+    private var qrString = ""
+
+    private val viewModel by lazy(LazyThreadSafetyMode.NONE) {
+        ViewModelProvider(this)[QrViewModel::class.java]
+    }
 
     override fun onResumeOneShoot() {
         super.onResumeOneShoot()
@@ -54,9 +58,9 @@ class ContractCodeActivity : BaseActivity<ActivityContractCodeBinding>(ActivityC
             binding.tvAddress.text = contractUIBean.adr
         }
         Thread {
-            contractQrString = ContractUIBean.createContractQrString(contractUIBean)
-            LogEx.logDebug(TAG, "contractQrString=$contractQrString")
-            val bitmap = generateQRCode(contractQrString, 735, 735, 5)
+            qrString = ContractUIBean.createContractQrString(contractUIBean)
+            LogEx.logDebug(TAG, "contractQrString=$qrString")
+            val bitmap = generateQRCode(qrString, 735, 735, 5)
             runOnUiThread {
                 binding.ivQr.setImageBitmap(bitmap)
                 val file = File(cacheDir, System.currentTimeMillis().toString() + ".jpg")
@@ -64,7 +68,7 @@ class ContractCodeActivity : BaseActivity<ActivityContractCodeBinding>(ActivityC
                     val flag = saveBitmapToFile(it, file.absolutePath)
                     LogEx.logDebug(TAG, "flag=$flag tempImage=${file.absolutePath}")
                     if (flag) {
-                        tempImage = file.absolutePath
+                        tempImagePath = file.absolutePath
                     }
                 }
                 if (contractUIBean.needCreate) {
@@ -96,7 +100,7 @@ class ContractCodeActivity : BaseActivity<ActivityContractCodeBinding>(ActivityC
             onBackPressedDispatcher.onBackPressed()
         }
         binding.llShare.setOnClickListener {
-            val intent = intentShareImage(this, tempImage)
+            val intent = intentShareImage(this, tempImagePath)
             runCatching {
                 startActivity(intent)
             }
@@ -106,27 +110,14 @@ class ContractCodeActivity : BaseActivity<ActivityContractCodeBinding>(ActivityC
         }
         binding.llDownload.setOnClickListener {
             kotlin.runCatching {
-                val appFile = File(
-                    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
-                    this.resources.getString(R.string.app_name)
-                )
-                if (!appFile.exists()) appFile.mkdirs()
-                var newName = File(tempImage).name
+                val newName = File(tempImagePath).name
                 showInputNameDialog(newName) { name ->
-                    if (name.endsWith(".jpg")) {
-                        name.also { newName = it }
-                    } else {
-                        newName = "$name.jpg"
-                    }
-                    val downFile = File(appFile, newName)
-                    downFile.createNewFile()
-                    File(tempImage).copyTo(downFile, true)
-                    toast("Save to:${appFile.absolutePath}", true)
+                    viewModel.copyFileToDownloads(this, name, tempImagePath)
                 }
             }
         }
         binding.llCopy.setOnClickListener {
-            copyText(TAG, contractQrString)
+            copyText(TAG, qrString)
             toast("Copied to clipboard", true)
         }
         binding.flSearch.setOnClickListener {

app/src/main/java/com/base/scanqr/ui/email/EmailCodeActivity.kt

 package com.base.scanqr.ui.email
 
-import android.os.Environment
 import androidx.activity.addCallback
 import androidx.core.view.updatePadding
+import androidx.lifecycle.ViewModelProvider
 import com.base.scanqr.R
 import com.base.scanqr.ads.AdsMgr
 import com.base.scanqr.ads.AdsShowCallBack
@@ -11,6 +11,7 @@ import com.base.scanqr.bean.EmailUIBean
 import com.base.scanqr.bean.EmailUIBean.Companion.createEmailQrString
 import com.base.scanqr.bean.FunctionUIBean.Companion.KEY_EMAIL
 import com.base.scanqr.databinding.ActivityEmailCodeBinding
+import com.base.scanqr.ui.vm.QrViewModel
 import com.base.scanqr.ui.widget.InputNameDialog.showInputNameDialog
 import com.base.scanqr.utils.BarUtils
 import com.base.scanqr.utils.BitmapUtils.saveBitmapToFile
@@ -27,8 +28,12 @@ import java.io.File
 class EmailCodeActivity : BaseActivity<ActivityEmailCodeBinding>(ActivityEmailCodeBinding::inflate) {
 
     private var email = EmailUIBean()
-    private var tempImage: String = ""
-    private var emailQrString: String = ""
+    private var tempImagePath: String = ""
+    private var qrString: String = ""
+
+    private val viewModel by lazy(LazyThreadSafetyMode.NONE) {
+        ViewModelProvider(this)[QrViewModel::class.java]
+    }
 
     override fun onResumeOneShoot() {
         super.onResumeOneShoot()
@@ -51,8 +56,8 @@ class EmailCodeActivity : BaseActivity<ActivityEmailCodeBinding>(ActivityEmailCo
         binding.tvMessage.text = email.message
 
         Thread {
-            emailQrString = createEmailQrString(email)
-            val bitmap = generateQRCode(emailQrString, 735, 735, 5)
+            qrString = createEmailQrString(email)
+            val bitmap = generateQRCode(qrString, 735, 735, 5)
             runOnUiThread {
                 binding.ivQr.setImageBitmap(bitmap)
                 val file = File(cacheDir, System.currentTimeMillis().toString() + ".jpg")
@@ -60,7 +65,7 @@ class EmailCodeActivity : BaseActivity<ActivityEmailCodeBinding>(ActivityEmailCo
                     val flag = saveBitmapToFile(it, file.absolutePath)
                     LogEx.logDebug(TAG, "flag=$flag tempImage=${file.absolutePath}")
                     if (flag) {
-                        tempImage = file.absolutePath
+                        tempImagePath = file.absolutePath
                     }
                 }
                 if (email.needCreate) {
@@ -95,7 +100,7 @@ class EmailCodeActivity : BaseActivity<ActivityEmailCodeBinding>(ActivityEmailCo
         }
 
         binding.llShare.setOnClickListener {
-            val intent = intentShareImage(this, tempImage)
+            val intent = intentShareImage(this, tempImagePath)
             runCatching {
                 startActivity(intent)
             }
@@ -105,27 +110,14 @@ class EmailCodeActivity : BaseActivity<ActivityEmailCodeBinding>(ActivityEmailCo
         }
         binding.llDownload.setOnClickListener {
             kotlin.runCatching {
-                val appFile = File(
-                    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
-                    this.resources.getString(R.string.app_name)
-                )
-                if (!appFile.exists()) appFile.mkdirs()
-                var newName = File(tempImage).name
+                val newName = File(tempImagePath).name
                 showInputNameDialog(newName) { name ->
-                    if (name.endsWith(".jpg")) {
-                        name.also { newName = it }
-                    } else {
-                        newName = "$name.jpg"
-                    }
-                    val downFile = File(appFile, newName)
-                    downFile.createNewFile()
-                    File(tempImage).copyTo(downFile, true)
-                    toast("Save to:${appFile.absolutePath}", true)
+                    viewModel.copyFileToDownloads(this, name, tempImagePath)
                 }
             }
         }
         binding.llCopy.setOnClickListener {
-            copyText(TAG, emailQrString)
+            copyText(TAG, qrString)
             toast("Copied to clipboard", true)
         }
         binding.flSearch.setOnClickListener {
@@ -136,6 +128,5 @@ class EmailCodeActivity : BaseActivity<ActivityEmailCodeBinding>(ActivityEmailCo
                 toast("No application was found to handle the email request", true)
             }
         }
-
     }
 }
\ No newline at end of file

app/src/main/java/com/base/scanqr/ui/event/EventCodeActivity.kt

 package com.base.scanqr.ui.event
 
-import android.Manifest
 import android.annotation.SuppressLint
 import android.os.Environment
 import androidx.activity.addCallback
 import androidx.core.view.updatePadding
+import androidx.lifecycle.ViewModelProvider
 import com.base.scanqr.R
 import com.base.scanqr.ads.AdsMgr
 import com.base.scanqr.ads.AdsShowCallBack
@@ -12,6 +12,7 @@ import com.base.scanqr.base.BaseActivity
 import com.base.scanqr.bean.EventUIBean
 import com.base.scanqr.bean.FunctionUIBean
 import com.base.scanqr.databinding.ActivityEventCodeBinding
+import com.base.scanqr.ui.vm.QrViewModel
 import com.base.scanqr.ui.widget.InputNameDialog.showInputNameDialog
 import com.base.scanqr.utils.BarUtils
 import com.base.scanqr.utils.BitmapUtils.saveBitmapToFile
@@ -29,8 +30,11 @@ import java.io.File
 class EventCodeActivity : BaseActivity<ActivityEventCodeBinding>(ActivityEventCodeBinding::inflate) {
 
     private var eventUIBean = EventUIBean()
-    private var tempImage: String = ""
-    private var eventQrString = ""
+    private var tempImagePath: String = ""
+    private var qrString = ""
+    private val viewModel by lazy(LazyThreadSafetyMode.NONE) {
+        ViewModelProvider(this)[QrViewModel::class.java]
+    }
 
     override fun onResumeOneShoot() {
         super.onResumeOneShoot()
@@ -55,9 +59,9 @@ class EventCodeActivity : BaseActivity<ActivityEventCodeBinding>(ActivityEventCo
             binding.tvDesc.text = eventUIBean.description
         }
         Thread {
-            eventQrString = EventUIBean.createEventQRString(eventUIBean)
-            LogEx.logDebug(TAG, "eventQrString=$eventQrString")
-            val bitmap = generateQRCode(eventQrString, 735, 735, 5)
+            qrString = EventUIBean.createEventQRString(eventUIBean)
+            LogEx.logDebug(TAG, "eventQrString=$qrString")
+            val bitmap = generateQRCode(qrString, 735, 735, 5)
             runOnUiThread {
                 binding.ivQr.setImageBitmap(bitmap)
                 val file = File(cacheDir, System.currentTimeMillis().toString() + ".jpg")
@@ -65,7 +69,7 @@ class EventCodeActivity : BaseActivity<ActivityEventCodeBinding>(ActivityEventCo
                     val flag = saveBitmapToFile(it, file.absolutePath)
                     LogEx.logDebug(TAG, "flag=$flag tempImage=${file.absolutePath}")
                     if (flag) {
-                        tempImage = file.absolutePath
+                        tempImagePath = file.absolutePath
                     }
                 }
                 if (eventUIBean.needCreate) {
@@ -98,7 +102,7 @@ class EventCodeActivity : BaseActivity<ActivityEventCodeBinding>(ActivityEventCo
             onBackPressedDispatcher.onBackPressed()
         }
         binding.llShare.setOnClickListener {
-            val intent = intentShareImage(this, tempImage)
+            val intent = intentShareImage(this, tempImagePath)
             runCatching {
                 startActivity(intent)
             }
@@ -108,27 +112,14 @@ class EventCodeActivity : BaseActivity<ActivityEventCodeBinding>(ActivityEventCo
         }
         binding.llDownload.setOnClickListener {
             kotlin.runCatching {
-                val appFile = File(
-                    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
-                    this.resources.getString(R.string.app_name)
-                )
-                if (!appFile.exists()) appFile.mkdirs()
-                var newName = File(tempImage).name
+                val newName = File(tempImagePath).name
                 showInputNameDialog(newName) { name ->
-                    if (name.endsWith(".jpg")) {
-                        name.also { newName = it }
-                    } else {
-                        newName = "$name.jpg"
-                    }
-                    val downFile = File(appFile, newName)
-                    downFile.createNewFile()
-                    File(tempImage).copyTo(downFile, true)
-                    toast("Save to:${appFile.absolutePath}", true)
+                    viewModel.copyFileToDownloads(this, name, tempImagePath)
                 }
             }
         }
         binding.llCopy.setOnClickListener {
-            copyText(TAG, eventQrString)
+            copyText(TAG, qrString)
             toast("Copied to clipboard", true)
         }
         binding.flSearch.setOnClickListener {

app/src/main/java/com/base/scanqr/ui/location/LocationCodeActivity.kt

 package com.base.scanqr.ui.location
 
-import android.os.Bundle
-import androidx.activity.enableEdgeToEdge
-import androidx.appcompat.app.AppCompatActivity
-import androidx.core.view.ViewCompat
-import androidx.core.view.WindowInsetsCompat
-import com.base.scanqr.R
+import com.base.scanqr.base.BaseActivity
+import com.base.scanqr.databinding.ActivityLocationCodeBinding
 
-class LocationCodeActivity : AppCompatActivity() {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        enableEdgeToEdge()
-        setContentView(R.layout.activity_location_code)
-        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
-            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
-            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
-            insets
-        }
+class LocationCodeActivity : BaseActivity<ActivityLocationCodeBinding>(ActivityLocationCodeBinding::inflate) {
+    override fun initView() {
+        super.initView()
     }
+
+    override fun initListener() {
+        super.initListener()
+    }
+
 }
\ No newline at end of file

app/src/main/java/com/base/scanqr/ui/main/MainActivity.kt

@@ -147,17 +147,11 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
             0 -> {
                 tabAt = 0
                 navController?.navigate(R.id.createFragment)
-                val createPgPassTime = (System.currentTimeMillis() - createFgLastShow)
-                LogEx.logDebug(
-                    TAG,
-                    "createPgPassTime=$createPgPassTime " +
-                            "createFgInterval=${AdConfigBean.adsConfigBean.createFgInterval}"
-                )
-                val flag = createPgPassTime / 1000L > AdConfigBean.adsConfigBean.createFgInterval
-                if (createFgLastShow == 0L || flag)
+
+                if (tabCanShowAd())
                     AdsMgr.showInsert(this, false, object : AdsShowCallBack() {
                         override fun show() {
-                            createFgLastShow = System.currentTimeMillis()
+                            mainFgTabLastShow = System.currentTimeMillis()
                         }
 
                         override fun close(where: Int) {
@@ -179,6 +173,21 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
             2 -> {
                 tabAt = 2
                 navController?.navigate(R.id.historyFragment)
+                if (tabCanShowAd())
+                    AdsMgr.showInsert(this, false, object : AdsShowCallBack() {
+                        override fun show() {
+                            mainFgTabLastShow = System.currentTimeMillis()
+                        }
+
+                        override fun close(where: Int) {
+                        }
+
+                        override fun failed(where: Int) {
+                        }
+
+                        override fun googleFailed(where: Int) {
+                        }
+                    })
             }
 
             3 -> {
@@ -188,6 +197,17 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
         }
     }
 
+    private fun tabCanShowAd(): Boolean {
+        val tabChangePassTime = (System.currentTimeMillis() - mainFgTabLastShow)
+        LogEx.logDebug(
+            TAG,
+            "tabChangePassTime=$tabChangePassTime " +
+                    "tabFgInterval=${AdConfigBean.adsConfigBean.tabFgInterval}"
+        )
+        val flag = tabChangePassTime / 1000L > AdConfigBean.adsConfigBean.tabFgInterval
+        return mainFgTabLastShow == 0L || flag
+    }
+
     fun TabLayout.Tab.setUnselected() {
         val textView = customView?.findViewById<TextView>(R.id.tv_tab)
         LogEx.logDebug(TAG, "setUnselected ${textView?.text}")
@@ -215,6 +235,6 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
 
     companion object {
         var tabAt = 1
-        var createFgLastShow = 0L
+        var mainFgTabLastShow = 0L
     }
 }
\ No newline at end of file

app/src/main/java/com/base/scanqr/ui/message/MessageCodeActivity.kt

@@ -3,6 +3,7 @@ package com.base.scanqr.ui.message
 import android.os.Environment
 import androidx.activity.addCallback
 import androidx.core.view.updatePadding
+import androidx.lifecycle.ViewModelProvider
 import com.base.scanqr.R
 import com.base.scanqr.ads.AdsMgr
 import com.base.scanqr.ads.AdsShowCallBack
@@ -10,6 +11,7 @@ import com.base.scanqr.base.BaseActivity
 import com.base.scanqr.bean.FunctionUIBean
 import com.base.scanqr.bean.MessageUIBean
 import com.base.scanqr.databinding.ActivityMessageCodeBinding
+import com.base.scanqr.ui.vm.QrViewModel
 import com.base.scanqr.ui.widget.InputNameDialog.showInputNameDialog
 import com.base.scanqr.utils.BarUtils
 import com.base.scanqr.utils.BitmapUtils.saveBitmapToFile
@@ -26,8 +28,12 @@ import java.io.File
 class MessageCodeActivity : BaseActivity<ActivityMessageCodeBinding>(ActivityMessageCodeBinding::inflate) {
 
     private var messageUIBean = MessageUIBean()
-    private var messageQrString = ""
-    private var tempImage: String = ""
+    private var qrString = ""
+    private var tempImagePath: String = ""
+
+    private val viewModel by lazy(LazyThreadSafetyMode.NONE) {
+        ViewModelProvider(this)[QrViewModel::class.java]
+    }
 
     override fun onResumeOneShoot() {
         super.onResumeOneShoot()
@@ -49,9 +55,9 @@ class MessageCodeActivity : BaseActivity<ActivityMessageCodeBinding>(ActivityMes
             binding.tvMsg.text = messageUIBean.msg
         }
         Thread {
-            messageQrString = MessageUIBean.createMessageQrString(messageUIBean)
-            LogEx.logDebug(TAG, "messageQrString=$messageQrString")
-            val bitmap = generateQRCode(messageQrString, 735, 735, 5)
+            qrString = MessageUIBean.createMessageQrString(messageUIBean)
+            LogEx.logDebug(TAG, "messageQrString=$qrString")
+            val bitmap = generateQRCode(qrString, 735, 735, 5)
             runOnUiThread {
                 binding.ivQr.setImageBitmap(bitmap)
                 val file = File(cacheDir, System.currentTimeMillis().toString() + ".jpg")
@@ -59,7 +65,7 @@ class MessageCodeActivity : BaseActivity<ActivityMessageCodeBinding>(ActivityMes
                     val flag = saveBitmapToFile(it, file.absolutePath)
                     LogEx.logDebug(TAG, "flag=$flag tempImage=${file.absolutePath}")
                     if (flag) {
-                        tempImage = file.absolutePath
+                        tempImagePath = file.absolutePath
                     }
                 }
                 if (messageUIBean.needCreate) {
@@ -91,7 +97,7 @@ class MessageCodeActivity : BaseActivity<ActivityMessageCodeBinding>(ActivityMes
             onBackPressedDispatcher.onBackPressed()
         }
         binding.llShare.setOnClickListener {
-            val intent = intentShareImage(this, tempImage)
+            val intent = intentShareImage(this, tempImagePath)
             runCatching {
                 startActivity(intent)
             }
@@ -101,27 +107,14 @@ class MessageCodeActivity : BaseActivity<ActivityMessageCodeBinding>(ActivityMes
         }
         binding.llDownload.setOnClickListener {
             kotlin.runCatching {
-                val appFile = File(
-                    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
-                    this.resources.getString(R.string.app_name)
-                )
-                if (!appFile.exists()) appFile.mkdirs()
-                var newName = File(tempImage).name
+                val newName = File(tempImagePath).name
                 showInputNameDialog(newName) { name ->
-                    if (name.endsWith(".jpg")) {
-                        name.also { newName = it }
-                    } else {
-                        newName = "$name.jpg"
-                    }
-                    val downFile = File(appFile, newName)
-                    downFile.createNewFile()
-                    File(tempImage).copyTo(downFile, true)
-                    toast("Save to:${appFile.absolutePath}", true)
+                    viewModel.copyFileToDownloads(this, name, tempImagePath)
                 }
             }
         }
         binding.llCopy.setOnClickListener {
-            copyText(TAG, messageQrString)
+            copyText(TAG, qrString)
             toast("Copied to clipboard", true)
         }
         binding.flSearch.setOnClickListener {

app/src/main/java/com/base/scanqr/ui/product/ProductCodeActivity.kt

@@ -3,10 +3,10 @@ package com.base.scanqr.ui.product
 import android.content.ActivityNotFoundException
 import android.content.Intent
 import android.net.Uri
-import android.os.Environment
 import android.widget.Toast
 import androidx.activity.addCallback
 import androidx.core.view.updatePadding
+import androidx.lifecycle.ViewModelProvider
 import com.base.scanqr.R
 import com.base.scanqr.ads.AdsMgr
 import com.base.scanqr.ads.AdsShowCallBack
@@ -14,6 +14,7 @@ import com.base.scanqr.base.BaseActivity
 import com.base.scanqr.bean.FunctionUIBean
 import com.base.scanqr.bean.ProductUIBean
 import com.base.scanqr.databinding.ActivityProductCodeBinding
+import com.base.scanqr.ui.vm.QrViewModel
 import com.base.scanqr.ui.widget.InputNameDialog.showInputNameDialog
 import com.base.scanqr.utils.BarUtils
 import com.base.scanqr.utils.BitmapUtils.saveBitmapToFile
@@ -33,7 +34,12 @@ import java.io.File
 class ProductCodeActivity : BaseActivity<ActivityProductCodeBinding>(ActivityProductCodeBinding::inflate) {
 
     private var productUIBean = ProductUIBean()
-    private var tempImage: String = ""
+    private var qrString: String = ""
+    private var tempImagePath: String = ""
+
+    private val viewModel by lazy(LazyThreadSafetyMode.NONE) {
+        ViewModelProvider(this)[QrViewModel::class.java]
+    }
 
     override fun onResumeOneShoot() {
         super.onResumeOneShoot()
@@ -51,11 +57,12 @@ class ProductCodeActivity : BaseActivity<ActivityProductCodeBinding>(ActivityPro
         val data = intent.extras?.getString("data")
         data?.let {
             productUIBean = Gson().fromJson(data, ProductUIBean::class.java)
+            qrString = productUIBean.content
             binding.tvContent.text = productUIBean.content
         }
 
         Thread {
-            val bitmap = generateEAN13Barcode(productUIBean.content, 648, 255)
+            val bitmap = generateEAN13Barcode(qrString, 648, 255)
             runOnUiThread {
                 binding.ivQr.setImageBitmap(bitmap)
                 val file = File(cacheDir, System.currentTimeMillis().toString() + ".jpg")
@@ -63,7 +70,7 @@ class ProductCodeActivity : BaseActivity<ActivityProductCodeBinding>(ActivityPro
                     val flag = saveBitmapToFile(it, file.absolutePath)
                     LogEx.logDebug(TAG, "flag=$flag tempImage=${file.absolutePath}")
                     if (flag) {
-                        tempImage = file.absolutePath
+                        tempImagePath = file.absolutePath
                     }
                 }
                 if (productUIBean.needCreate) {
@@ -96,29 +103,16 @@ class ProductCodeActivity : BaseActivity<ActivityProductCodeBinding>(ActivityPro
             onBackPressedDispatcher.onBackPressed()
         }
         binding.llShare.setOnClickListener {
-            val intent = intentShareImage(this, tempImage)
+            val intent = intentShareImage(this, qrString)
             runCatching {
                 startActivity(intent)
             }
         }
         binding.llDownload.setOnClickListener {
             kotlin.runCatching {
-                val appFile = File(
-                    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
-                    this.resources.getString(R.string.app_name)
-                )
-                if (!appFile.exists()) appFile.mkdirs()
-                var newName = File(tempImage).name
+                val newName = File(qrString).name
                 showInputNameDialog(newName) { name ->
-                    if (name.endsWith(".jpg")) {
-                        name.also { newName = it }
-                    } else {
-                        newName = "$name.jpg"
-                    }
-                    val downFile = File(appFile, newName)
-                    downFile.createNewFile()
-                    File(tempImage).copyTo(downFile, true)
-                    toast("Save to:${appFile.absolutePath}", true)
+                    viewModel.copyFileToDownloads(this, name, tempImagePath)
                 }
             }
         }

app/src/main/java/com/base/scanqr/ui/telephone/TelephoneCodeActivity.kt

 package com.base.scanqr.ui.telephone
 
 import android.Manifest
-import android.os.Environment
 import androidx.activity.addCallback
 import androidx.core.view.updatePadding
+import androidx.lifecycle.ViewModelProvider
 import com.base.scanqr.R
 import com.base.scanqr.ads.AdsMgr
 import com.base.scanqr.ads.AdsShowCallBack
@@ -11,6 +11,7 @@ import com.base.scanqr.base.BaseActivity
 import com.base.scanqr.bean.FunctionUIBean
 import com.base.scanqr.bean.TelephoneUIBean
 import com.base.scanqr.databinding.ActivityTelephoneCodeBinding
+import com.base.scanqr.ui.vm.QrViewModel
 import com.base.scanqr.ui.widget.InputNameDialog.showInputNameDialog
 import com.base.scanqr.utils.BarUtils
 import com.base.scanqr.utils.BitmapUtils.saveBitmapToFile
@@ -28,9 +29,13 @@ import java.io.File
 class TelephoneCodeActivity : BaseActivity<ActivityTelephoneCodeBinding>(ActivityTelephoneCodeBinding::inflate) {
 
     private var telephoneUIBean = TelephoneUIBean()
-    private var telQrString = ""
+    private var qrString = ""
+    private var tempImagePath: String = ""
+
+    private val viewModel by lazy(LazyThreadSafetyMode.NONE) {
+        ViewModelProvider(this)[QrViewModel::class.java]
+    }
 
-    private var tempImage: String = ""
     override fun onResumeOneShoot() {
         super.onResumeOneShoot()
         val flag = changeLanguage()
@@ -51,11 +56,11 @@ class TelephoneCodeActivity : BaseActivity<ActivityTelephoneCodeBinding>(Activit
         data?.let {
             telephoneUIBean = Gson().fromJson(data, TelephoneUIBean::class.java)
             binding.tvTel.text = telephoneUIBean.tel
+            qrString = "tel:" + telephoneUIBean.tel
         }
 
         Thread {
-            telQrString = "tel:" + telephoneUIBean.tel
-            val bitmap = generateQRCode(telQrString, 735, 735, 5)
+            val bitmap = generateQRCode(qrString, 735, 735, 5)
             runOnUiThread {
                 binding.ivQr.setImageBitmap(bitmap)
                 val file = File(cacheDir, System.currentTimeMillis().toString() + ".jpg")
@@ -63,7 +68,7 @@ class TelephoneCodeActivity : BaseActivity<ActivityTelephoneCodeBinding>(Activit
                     val flag = saveBitmapToFile(it, file.absolutePath)
                     LogEx.logDebug(TAG, "flag=$flag tempImage=${file.absolutePath}")
                     if (flag) {
-                        tempImage = file.absolutePath
+                        tempImagePath = file.absolutePath
                     }
                 }
                 if (telephoneUIBean.needCreate) {
@@ -95,34 +100,21 @@ class TelephoneCodeActivity : BaseActivity<ActivityTelephoneCodeBinding>(Activit
             onBackPressedDispatcher.onBackPressed()
         }
         binding.llShare.setOnClickListener {
-            val intent = intentShareImage(this, tempImage)
+            val intent = intentShareImage(this, tempImagePath)
             runCatching {
                 startActivity(intent)
             }
         }
         binding.llDownload.setOnClickListener {
             kotlin.runCatching {
-                val appFile = File(
-                    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
-                    this.resources.getString(R.string.app_name)
-                )
-                if (!appFile.exists()) appFile.mkdirs()
-                var newName = File(tempImage).name
+                val newName = File(tempImagePath).name
                 showInputNameDialog(newName) { name ->
-                    if (name.endsWith(".jpg")) {
-                        name.also { newName = it }
-                    } else {
-                        newName = "$name.jpg"
-                    }
-                    val downFile = File(appFile, newName)
-                    downFile.createNewFile()
-                    File(tempImage).copyTo(downFile, true)
-                    toast("Save to:${appFile.absolutePath}", true)
+                    viewModel.copyFileToDownloads(this, name, tempImagePath)
                 }
             }
         }
         binding.llCopy.setOnClickListener {
-            copyText(TAG, telQrString)
+            copyText(TAG, qrString)
             toast("Copied to clipboard", true)
         }
         binding.flSearch.setOnClickListener {

app/src/main/java/com/base/scanqr/ui/text/TextCodeActivity.kt

@@ -3,18 +3,18 @@ package com.base.scanqr.ui.text
 import android.content.ActivityNotFoundException
 import android.content.Intent
 import android.net.Uri
-import android.os.Environment
 import android.widget.Toast
 import androidx.activity.addCallback
 import androidx.core.view.updatePadding
+import androidx.lifecycle.ViewModelProvider
 import com.base.scanqr.R
 import com.base.scanqr.ads.AdsMgr
 import com.base.scanqr.ads.AdsShowCallBack
 import com.base.scanqr.base.BaseActivity
 import com.base.scanqr.bean.FunctionUIBean
-import com.base.scanqr.bean.ScanBean
 import com.base.scanqr.bean.TextUIBean
 import com.base.scanqr.databinding.ActivityTextCodeBinding
+import com.base.scanqr.ui.vm.QrViewModel
 import com.base.scanqr.ui.widget.InputNameDialog.showInputNameDialog
 import com.base.scanqr.utils.BarUtils
 import com.base.scanqr.utils.BitmapUtils.saveBitmapToFile
@@ -31,7 +31,11 @@ import java.io.File
 class TextCodeActivity : BaseActivity<ActivityTextCodeBinding>(ActivityTextCodeBinding::inflate) {
 
     private var textUIBean = TextUIBean()
-    private var tempImage: String = ""
+    private var tempImagePath: String = ""
+    private var qrString = ""
+    private val viewModel by lazy(LazyThreadSafetyMode.NONE) {
+        ViewModelProvider(this)[QrViewModel::class.java]
+    }
 
     override fun onResumeOneShoot() {
         super.onResumeOneShoot()
@@ -50,9 +54,10 @@ class TextCodeActivity : BaseActivity<ActivityTextCodeBinding>(ActivityTextCodeB
         data?.let {
             textUIBean = Gson().fromJson(data, TextUIBean::class.java)
             binding.tvContent.text = textUIBean.content
+            qrString = textUIBean.content
         }
         Thread {
-            val bitmap = generateQRCode(textUIBean.content, 735, 735, 5)
+            val bitmap = generateQRCode(qrString, 735, 735, 5)
             runOnUiThread {
                 binding.ivQr.setImageBitmap(bitmap)
                 val file = File(cacheDir, System.currentTimeMillis().toString() + ".jpg")
@@ -60,7 +65,7 @@ class TextCodeActivity : BaseActivity<ActivityTextCodeBinding>(ActivityTextCodeB
                     val flag = saveBitmapToFile(it, file.absolutePath)
                     LogEx.logDebug(TAG, "flag=$flag tempImage=${file.absolutePath}")
                     if (flag) {
-                        tempImage = file.absolutePath
+                        tempImagePath = file.absolutePath
                     }
                 }
                 if (textUIBean.needCreate) {
@@ -102,22 +107,9 @@ class TextCodeActivity : BaseActivity<ActivityTextCodeBinding>(ActivityTextCodeB
         }
         binding.llDownload.setOnClickListener {
             kotlin.runCatching {
-                val appFile = File(
-                    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
-                    this.resources.getString(R.string.app_name)
-                )
-                if (!appFile.exists()) appFile.mkdirs()
-                var newName = File(tempImage).name
+                val newName = File(tempImagePath).name
                 showInputNameDialog(newName) { name ->
-                    if (name.endsWith(".jpg")) {
-                        name.also { newName = it }
-                    } else {
-                        newName = "$name.jpg"
-                    }
-                    val downFile = File(appFile, newName)
-                    downFile.createNewFile()
-                    File(tempImage).copyTo(downFile, true)
-                    toast("Save to:${appFile.absolutePath}", true)
+                    viewModel.copyFileToDownloads(this, name, tempImagePath)
                 }
             }
         }

app/src/main/java/com/base/scanqr/ui/vm/QrViewModel.kt

+package com.base.scanqr.ui.vm
+
+import android.content.Context
+import android.os.Environment
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.base.scanqr.R
+import com.base.scanqr.utils.ToastUtils.toast
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.io.File
+
+class QrViewModel : ViewModel() {
+
+    fun copyFileToDownloads(context: Context, name: String, copyTempPath: String) = viewModelScope.launch(Dispatchers.IO) {
+        val appFile = File(
+            Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
+            context.resources.getString(R.string.app_name)
+        )
+        if (!appFile.exists()) appFile.mkdirs()
+
+        var newName = name
+        if (!name.endsWith(".jpg")) {
+            newName = "$name.jpg"
+        }
+        val downFile = File(appFile, newName)
+        val flag = downFile.createNewFile()
+        if (flag) {
+            File(copyTempPath).copyTo(downFile, true)
+            launch(Dispatchers.Main) {
+                context.toast("Save to:${appFile.absolutePath}", true)
+            }
+        }
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/scanqr/ui/website/WebsiteCodeActivity.kt

@@ -3,7 +3,7 @@ package com.base.scanqr.ui.website
 import android.os.Environment
 import androidx.activity.addCallback
 import androidx.core.view.updatePadding
-import com.base.scanqr.BuildConfig
+import androidx.lifecycle.ViewModelProvider
 import com.base.scanqr.R
 import com.base.scanqr.ads.AdsMgr
 import com.base.scanqr.ads.AdsShowCallBack
@@ -11,6 +11,7 @@ import com.base.scanqr.base.BaseActivity
 import com.base.scanqr.bean.FunctionUIBean
 import com.base.scanqr.bean.WebsiteUIBean
 import com.base.scanqr.databinding.ActivityWebsiteCodeBinding
+import com.base.scanqr.ui.vm.QrViewModel
 import com.base.scanqr.ui.widget.InputNameDialog.showInputNameDialog
 import com.base.scanqr.utils.BarUtils
 import com.base.scanqr.utils.BitmapUtils.saveBitmapToFile
@@ -27,7 +28,13 @@ import java.io.File
 class WebsiteCodeActivity : BaseActivity<ActivityWebsiteCodeBinding>(ActivityWebsiteCodeBinding::inflate) {
 
     private var websiteUIBean = WebsiteUIBean()
-    private var tempImage: String = ""
+    private var tempImagePath: String = ""
+    private var qrString = ""
+    private val viewModel by lazy(LazyThreadSafetyMode.NONE) {
+        ViewModelProvider(this)[QrViewModel::class.java]
+    }
+
+
     override fun onResumeOneShoot() {
         super.onResumeOneShoot()
         val flag = changeLanguage()
@@ -46,10 +53,11 @@ class WebsiteCodeActivity : BaseActivity<ActivityWebsiteCodeBinding>(ActivityWeb
         data?.let {
             websiteUIBean = Gson().fromJson(data, WebsiteUIBean::class.java)
             binding.tvHttp.text = websiteUIBean.http
+            qrString = websiteUIBean.http
         }
 
         Thread {
-            val bitmap = generateQRCode(websiteUIBean.http, 735, 735, 5)
+            val bitmap = generateQRCode(qrString, 735, 735, 5)
             runOnUiThread {
                 binding.ivQr.setImageBitmap(bitmap)
                 val file = File(cacheDir, System.currentTimeMillis().toString() + ".jpg")
@@ -57,7 +65,7 @@ class WebsiteCodeActivity : BaseActivity<ActivityWebsiteCodeBinding>(ActivityWeb
                     val flag = saveBitmapToFile(it, file.absolutePath)
                     LogEx.logDebug(TAG, "flag=$flag tempImage=${file.absolutePath}")
                     if (flag) {
-                        tempImage = file.absolutePath
+                        tempImagePath = file.absolutePath
                     }
                 }
                 if (websiteUIBean.needCreate) {
@@ -89,29 +97,16 @@ class WebsiteCodeActivity : BaseActivity<ActivityWebsiteCodeBinding>(ActivityWeb
             onBackPressedDispatcher.onBackPressed()
         }
         binding.llShare.setOnClickListener {
-            val intent = intentShareImage(this, tempImage)
+            val intent = intentShareImage(this, tempImagePath)
             runCatching {
                 startActivity(intent)
             }
         }
         binding.llDownload.setOnClickListener {
             kotlin.runCatching {
-                val appFile = File(
-                    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
-                    this.resources.getString(R.string.app_name)
-                )
-                if (!appFile.exists()) appFile.mkdirs()
-                var newName = File(tempImage).name
+                val newName = File(tempImagePath).name
                 showInputNameDialog(newName) { name ->
-                    if (name.endsWith(".jpg")) {
-                        name.also { newName = it }
-                    } else {
-                        newName = "$name.jpg"
-                    }
-                    val downFile = File(appFile, newName)
-                    downFile.createNewFile()
-                    File(tempImage).copyTo(downFile, true)
-                    toast("Save to:${appFile.absolutePath}", true)
+                    viewModel.copyFileToDownloads(this, name, tempImagePath)
                 }
             }
         }

app/src/main/java/com/base/scanqr/ui/wifi/WifiCodeActivity.kt

@@ -3,13 +3,16 @@ package com.base.scanqr.ui.wifi
 import android.os.Environment
 import androidx.activity.addCallback
 import androidx.core.view.updatePadding
+import androidx.lifecycle.ViewModelProvider
 import com.base.scanqr.R
 import com.base.scanqr.ads.AdsMgr
 import com.base.scanqr.ads.AdsShowCallBack
 import com.base.scanqr.base.BaseActivity
 import com.base.scanqr.bean.FunctionUIBean
 import com.base.scanqr.bean.WifiUIBean
+import com.base.scanqr.bean.WifiUIBean.Companion.createWifiQRString
 import com.base.scanqr.databinding.ActivityWifiCodeBinding
+import com.base.scanqr.ui.vm.QrViewModel
 import com.base.scanqr.ui.widget.InputNameDialog.showInputNameDialog
 import com.base.scanqr.utils.BarUtils
 import com.base.scanqr.utils.BitmapUtils.saveBitmapToFile
@@ -27,8 +30,12 @@ import java.io.File
 class WifiCodeActivity : BaseActivity<ActivityWifiCodeBinding>(ActivityWifiCodeBinding::inflate) {
 
     private var wifiBean: WifiUIBean = WifiUIBean()
-    private var wifiQrString: String = ""
-    private var tempImage: String = ""
+    private var qrString: String = ""
+    private var tempImagePath: String = ""
+    private val viewModel by lazy(LazyThreadSafetyMode.NONE) {
+        ViewModelProvider(this)[QrViewModel::class.java]
+    }
+
 
     override fun onResumeOneShoot() {
         super.onResumeOneShoot()
@@ -47,41 +54,26 @@ class WifiCodeActivity : BaseActivity<ActivityWifiCodeBinding>(ActivityWifiCodeB
         LogEx.logDebug(TAG, "data=$data")
         data?.let {
             wifiBean = Gson().fromJson(data, WifiUIBean::class.java)
-        }
+            if (wifiBean.securityId == 0) {
+                binding.tvSecurity.text = "WPA/WPA2"
+            }
+            if (wifiBean.securityId == 1) {
+                binding.tvSecurity.text = "WEP"
+            }
+            binding.tvSsid.text = wifiBean.ssid
+            binding.tvPassword.text = wifiBean.password
+            if (wifiBean.hidden) {
+                binding.tvHidden.text = "YES"
+            } else {
+                binding.tvHidden.text = "NO"
+            }
 
-        val content = StringBuilder()
-        content.append("WIFI:")
-        content.append("T:")
-        if (wifiBean.securityId == 0) {
-            content.append("WPA/WPA2").append(";")
-            binding.tvSecurity.text = "WPA/WPA2"
-        }
-        if (wifiBean.securityId == 1) {
-            content.append("WEP").append(";")
-            binding.tvSecurity.text = "WEP"
-        }
-        if (wifiBean.securityId == 2) {
-            content.append(";")
-        }
-        content.append("S:")
-        content.append(wifiBean.ssid).append(";")
-        content.append("P:")
-        content.append(wifiBean.password).append(";")
-        content.append("H:")
-        content.append(wifiBean.hidden).append(";")
-
-        wifiQrString = content.toString()
-        LogEx.logDebug(TAG, "wifiContent=$wifiQrString")
-
-        binding.tvSsid.text = wifiBean.ssid
-        binding.tvPassword.text = wifiBean.password
-        if (wifiBean.hidden) {
-            binding.tvHidden.text = "YES"
-        } else {
-            binding.tvHidden.text = "NO"
+            qrString = createWifiQRString(wifiBean)
+            LogEx.logDebug(TAG, "wifiContent=$qrString")
         }
+
         Thread {
-            val bitmap = generateQRCode(wifiQrString, 735, 735, 5)
+            val bitmap = generateQRCode(qrString, 735, 735, 5)
             runOnUiThread {
                 binding.ivQr.setImageBitmap(bitmap)
                 val file = File(cacheDir, System.currentTimeMillis().toString() + ".jpg")
@@ -90,7 +82,7 @@ class WifiCodeActivity : BaseActivity<ActivityWifiCodeBinding>(ActivityWifiCodeB
                     val flag = saveBitmapToFile(it, file.absolutePath)
                     LogEx.logDebug(TAG, "flag=$flag tempImage=${file.absolutePath}")
                     if (flag) {
-                        tempImage = file.absolutePath
+                        tempImagePath = file.absolutePath
                     }
                 }
                 if (wifiBean.needCreate) {
@@ -124,7 +116,7 @@ class WifiCodeActivity : BaseActivity<ActivityWifiCodeBinding>(ActivityWifiCodeB
             onBackPressedDispatcher.onBackPressed()
         }
         binding.llShare.setOnClickListener {
-            val intent = intentShareImage(this, tempImage)
+            val intent = intentShareImage(this, tempImagePath)
             runCatching {
                 startActivity(intent)
             }
@@ -134,27 +126,14 @@ class WifiCodeActivity : BaseActivity<ActivityWifiCodeBinding>(ActivityWifiCodeB
         }
         binding.llDownload.setOnClickListener {
             kotlin.runCatching {
-                val appFile = File(
-                    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
-                    this.resources.getString(R.string.app_name)
-                )
-                if (!appFile.exists()) appFile.mkdirs()
-                var newName = File(tempImage).name
+                val newName = File(tempImagePath).name
                 showInputNameDialog(newName) { name ->
-                    if (name.endsWith(".jpg")) {
-                        name.also { newName = it }
-                    } else {
-                        newName = "$name.jpg"
-                    }
-                    val downFile = File(appFile, newName)
-                    downFile.createNewFile()
-                    File(tempImage).copyTo(downFile, true)
-                    toast("Save to:${appFile.absolutePath}", true)
+                    viewModel.copyFileToDownloads(this, name, tempImagePath)
                 }
             }
         }
         binding.llCopy.setOnClickListener {
-            copyText(TAG, wifiQrString)
+            copyText(TAG, qrString)
             toast("Copied to clipboard", true)
         }
         binding.flSearch.setOnClickListener {