安装了新版本转换盒则卸载原来版本

build.gradle

@@ -47,12 +47,12 @@ buildscript {
     /**
      * APP版本码
      */
-    ext.app_version_code = 18
+    ext.app_version_code = 19
 
     /**
      * APP版本号
      */
-    ext.app_version = "1.1.5"
+    ext.app_version = "1.1.6"
 
     /**
      * 项目依赖库

conversion_box/src/main/java/com/wdkl/app/ncs/conversion_box/activity/MainActivity.kt

@@ -56,6 +56,8 @@ import serialporttest.utils.SerialPort485Util
 import serialporttest.utils.SerialPortUtil
 import java.io.DataOutputStream
 import java.io.IOException
+import java.io.PrintWriter
+import java.lang.Process
 import java.util.*
 import kotlin.collections.ArrayList
 
@@ -104,6 +106,8 @@ class MainActivity :BaseActivity<MainActivityPresenter, MainActivityLayoutBindin
 
     private var serverIp = ""
 
+    private val uninstallApk = false
+
     override fun getLayId(): Int {
         return R.layout.main_activity_layout;
     }
@@ -153,12 +157,51 @@ class MainActivity :BaseActivity<MainActivityPresenter, MainActivityLayoutBindin
             startRs485()
         }.start()*/
 
+        //卸载原来二代系统apk
+        if (uninstallApk) {
+            //卸载老的5寸分机app
+            Thread {
+                if (checkAppExist()) {
+                    uninstallApp()
+                }
+            }.start()
+        }
+
         //打开网络调试
         AppTool.Time.delay(120000) {
             openNetwrokDebug()
         }
     }
 
+    private fun checkAppExist() : Boolean {
+        val packageInfo = packageManager.getInstalledPackages(0)
+        var appExist = false
+        for (pInfo in packageInfo) {
+            val appName = "com.wdkl.tradition"
+            if (appName == pInfo.packageName) {
+                appExist = true
+                break
+            }
+        }
+        Log.e("callingbed", "callingbed app exist: " + appExist)
+        return appExist
+    }
+
+    private fun uninstallApp() {
+        val process: Process
+        val printWriter: PrintWriter
+        try {
+            process = Runtime.getRuntime().exec("su")
+            printWriter = PrintWriter(process.outputStream)
+            printWriter.println("pm uninstall com.wdkl.tradition")
+            printWriter.flush()
+            printWriter.close()
+            Log.e("uninstall", "uninstall end")
+        } catch (e: java.lang.Exception) {
+            Log.e("uninstall", "uninstall e:" + e.message)
+        }
+    }
+
     //开启网络调试
     private fun openNetwrokDebug() {
         val commands = arrayListOf(