优化应用退出与异常销毁流程、项目性能代码优化

app/src/main/java/com/example/kingway/ptt/CallBackResolution.java

@@ -97,7 +97,7 @@ public class CallBackResolution {
 
                 case "80"://返回群组信息
                     Log.d(TAG, "at_OEM_AT_cb get group info: " + lisHex);
-                    String strGroup = "";
+                    StringBuilder strGroup = new StringBuilder();
                     String groupId = lisHex.get(6) + "" + lisHex.get(7) + "" + lisHex.get(8) + "" + lisHex.get(9);
                     int groupNo = Integer.valueOf((lisHex.get(4) + "" + lisHex.get(5)), 16);
                     int groupCount = Integer.valueOf((lisHex.get(10) + "" + lisHex.get(11)), 16);
@@ -108,9 +108,9 @@ public class CallBackResolution {
                         size = (size / 2) - 1;
                         for (int i = 0; i < size; i++) {
                             if (i == 0) {
-                                strGroup += ngx + lisHex.get(i + numB) + "" + lisHex.get(i + numB - 1);
+                                strGroup.append(ngx).append(lisHex.get(i + numB)).append(lisHex.get(i + numB - 1));
                             } else {
-                                strGroup += ngx + lisHex.get(i + numB + 1) + "" + lisHex.get(i + numB);
+                                strGroup.append(ngx).append(lisHex.get(i + numB + 1)).append(lisHex.get(i + numB));
                                 numB = numB + 1;
                             }
                         }
@@ -118,7 +118,7 @@ public class CallBackResolution {
                         e.printStackTrace();
                     } finally {
                         String tempTxt = "";
-                        tempTxt = unicodeToString(strGroup);
+                        tempTxt = unicodeToString(strGroup.toString());
                         Log.i(TAG, "  组名称  " + tempTxt);
                         CallBackUtil.callBackGroupInfo(groupId, tempTxt, groupNo, groupCount);
                         Log.d(TAG, "at_OEM_AT_cb group info groupId: " + groupId + ", groupNo: " + groupNo+", groupCount: " +groupCount);
@@ -129,7 +129,7 @@ public class CallBackResolution {
                     break;
 
                 case "81"://返回群成员信息
-                    String groupMemberName = "";
+                    StringBuilder groupMemberName = new StringBuilder();
                     String status = lisHex.get(1);
                     boolean haveVideo = lisHex.get(10).equals("01") ? true : false;
                     String memberId = lisHex.get(6) + "" + lisHex.get(7) + "" + lisHex.get(8) + "" + lisHex.get(9);
@@ -141,16 +141,16 @@ public class CallBackResolution {
                         size = (size / 2) - 1;
                         for (int i = 0; i < size; i++) {
                             if (i == 0) {
-                                groupMemberName += ngx + lisHex.get(i + numB) + "" + lisHex.get(i + numB - 1);
+                                groupMemberName.append(ngx).append(lisHex.get(i + numB)).append(lisHex.get(i + numB - 1));
                             } else {
-                                groupMemberName += ngx + lisHex.get(i + numB + 1) + "" + lisHex.get(i + numB);
+                                groupMemberName.append(ngx).append(lisHex.get(i + numB + 1)).append(lisHex.get(i + numB));
                                 numB = numB + 1;
                             }
                         }
                     } catch (Exception e) {
                         e.printStackTrace();
                     } finally {
-                        String tempTxt = unicodeToString(groupMemberName);
+                        String tempTxt = unicodeToString(groupMemberName.toString());
                         GroupMemberInfoDto infoDto = new GroupMemberInfoDto(memberId, tempTxt, status, memberNo, haveVideo);
                         if (memberNo == 1) memberInfoDtos.clear();
                         memberInfoDtos.add(infoDto);
@@ -461,10 +461,11 @@ public class CallBackResolution {
             } catch (Exception e) {
                 e.printStackTrace();
             } finally {
-                String tempTxt = "";
+                StringBuilder sb = new StringBuilder();
                 for (int k = 0; k < strings.size(); k++) {
-                    tempTxt += unicode(strings.get(k));
+                    sb.append(unicode(strings.get(k)));
                 }
+                String tempTxt = sb.toString();
                 Log.i(TAG,"at_Play_TTS_cb " + tempTxt);
                 if (tempTxt.contains("已登录")) {
                     String showName = tempTxt.substring(3, tempTxt.length());

app/src/main/java/com/stand/standapp/LoginActivity.kt

@@ -65,9 +65,7 @@ class LoginActivity : AppCompatActivity() {
 
         // 4. 退出按钮
         btnExit.setOnClickListener {
-            fullCleanup()
+            com.stand.standapp.utils.AppKiller.killApp(this)
-            finishAffinity()
-            android.os.Process.killProcess(android.os.Process.myPid())
         }
 
         // 5. 彩蛋：点击底部版权 10 次进入开发者模式
@@ -148,18 +146,17 @@ class LoginActivity : AppCompatActivity() {
                             } catch (e: Exception) {
                                 Timber.tag("PTT").e(e, "PTT init error")
                             }
-                            Thread {
+                            
+                            Toast.makeText(this@LoginActivity, "PTT初始化中...", Toast.LENGTH_SHORT).show()
+                            
+                            // 使用 Handler 替代硬编码 Thread.sleep，避免阻塞或随意开辟线程
+                            android.os.Handler(android.os.Looper.getMainLooper()).postDelayed({
                                 try {
-                                    Thread.sleep(500)
-                                    runOnUiThread {
-                                        Toast.makeText(this@LoginActivity, "PTT初始化中", Toast.LENGTH_SHORT).show()
-                                    }
-                                    Thread.sleep(3000)
                                     com.example.kingway.ptt.SendAtUtil.toLogin("gzzdweb01", "123456", "61.243.1.123", 1, 1)
                                 } catch (e: Exception) {
                                     Timber.tag("PTT").e(e, "PTT login error")
                                 }
-                            }.start()
+                            }, 1500)
 
                             // 2. 启动硬件 GPIO 监听
                             try {
@@ -242,57 +239,9 @@ class LoginActivity : AppCompatActivity() {
             .setTitle("提示")
             .setMessage("确定要退出应用吗？")
             .setPositiveButton("确定") { _, _ ->
-                fullCleanup()
+                com.stand.standapp.utils.AppKiller.killApp(this)
-                finishAffinity()
-                Process.killProcess(Process.myPid())
             }
             .setNegativeButton("取消", null)
             .show()
     }
-
-    private fun fullCleanup() {
-        pttLogoutAndDestroy()
-    }
-
-    private fun pttLogoutAndDestroy() {
-        try {
-            com.example.kingway.ptt.SendAtUtil.toCancelLogin()
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "PTT cancel failed")
-        }
-        try {
-            com.example.kingway.ptt.SendAtUtil.toLogout()
-            Timber.tag("LoginActivity").i("PTT logout sent")
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "PTT logout failed")
-        }
-        try {
-            com.stand.standapp.utils.GpioManager.stopListening()
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "GPIO stop failed")
-        }
-        try {
-            com.stand.standapp.utils.GpioManager.stopListening()
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "GPIO stop failed")
-        }
-        try {
-//            MyApplication.destroy()
-            Timber.tag("LoginActivity").i("PTT native destroyed")
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "PTT destroy failed")
-        }
-        try {
-//            PrinterManager.shutdown()
-            Timber.tag("LoginActivity").i("Printer shut down")
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "Printer shutdown failed")
-        }
-        try {
-            com.stand.standapp.utils.LogManager.shutdown()
-            Timber.tag("LoginActivity").i("LogManager shut down")
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "LogManager shutdown failed")
-        }
-    }
 }

app/src/main/java/com/stand/standapp/MainActivity.kt

@@ -61,16 +61,7 @@ class MainActivity : AppCompatActivity() {
                     .setMessage("您的 PTT 账号已在其他设备登录，当前设备已被迫下线。\n请点击确认退出并重新登录。")
                     .setCancelable(false)
                     .setPositiveButton("确认") { _, _ ->
-                        try {
+                        com.stand.standapp.utils.AppKiller.killApp(ctx)
-                            com.example.kingway.ptt.SendAtUtil.toLogout()
-//                            com.example.kingway.ptt.MyApplication.destroy()
-                            com.stand.standapp.utils.GpioManager.stopListening()
-                        } catch (_: Exception) {}
-                        val pm = ctx.packageManager
-                        val intent = pm.getLaunchIntentForPackage(ctx.packageName)
-                        intent?.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK)
-                        ctx.startActivity(intent)
-                        android.os.Process.killProcess(android.os.Process.myPid())
                     }
                     .show()
             }
@@ -263,9 +254,7 @@ class MainActivity : AppCompatActivity() {
             .setTitle("提示")
             .setMessage("确定要退出应用吗？")
             .setPositiveButton("确定") { _, _ ->
-                pttLogoutAndDestroy()
+                com.stand.standapp.utils.AppKiller.killApp(this)
-                finishAffinity()
-                android.os.Process.killProcess(android.os.Process.myPid())
             }
             .setNegativeButton("取消", null)
             .show()

app/src/main/java/com/stand/standapp/MyApplication.kt

@@ -57,6 +57,9 @@ class MyApplication : Application() {
         super.onCreate()
         mApp = this
         pageName = packageName
+        
+        com.stand.standapp.utils.AppKiller.setupUncaughtExceptionHandler(this)
+        
         initPTT()
         // 第一步：初始化日志
         LogManager.init(this)

app/src/main/java/com/stand/standapp/utils/AppKiller.kt

@@ -0,0 +1,58 @@
+package com.stand.standapp.utils
+
+import android.content.Context
+import timber.log.Timber
+
+object AppKiller {
+
+    fun killApp(context: Context, isCrash: Boolean = false) {
+        Timber.tag("AppKiller").i("Starting app cleanup. isCrash: $isCrash")
+
+        try {
+            GpioManager.stopListening()
+            Timber.tag("AppKiller").i("GPIO stopped")
+        } catch (e: Exception) {
+            Timber.tag("AppKiller").e(e, "GPIO stop failed")
+        }
+
+        try {
+            com.example.kingway.ptt.SendAtUtil.toCancelLogin()
+            com.example.kingway.ptt.SendAtUtil.toLogout()
+            Timber.tag("AppKiller").i("PTT logged out")
+        } catch (e: Exception) {
+            Timber.tag("AppKiller").e(e, "PTT logout failed")
+        }
+
+        try {
+            com.stand.standapp.printer.PrinterManager.getFactory()?.ClosePort()
+            Timber.tag("AppKiller").i("Printer port closed")
+        } catch (e: Exception) {
+            Timber.tag("AppKiller").e(e, "Printer close failed")
+        }
+
+        try {
+            LogManager.shutdown()
+        } catch (e: Exception) {
+            // ignore
+        }
+
+        Timber.tag("AppKiller").i("Cleanup finished. Killing process.")
+
+        if (!isCrash) {
+            try {
+                Thread.sleep(200)
+            } catch (e: Exception) {}
+        }
+
+        android.os.Process.killProcess(android.os.Process.myPid())
+    }
+
+    fun setupUncaughtExceptionHandler(context: Context) {
+        val defaultHandler = Thread.getDefaultUncaughtExceptionHandler()
+        Thread.setDefaultUncaughtExceptionHandler { thread, throwable ->
+            Timber.tag("AppKiller").e(throwable, "Uncaught exception detected! Force cleanup.")
+            killApp(context, true)
+            defaultHandler?.uncaughtException(thread, throwable)
+        }
+    }
+}

app/src/main/java/com/stand/standapp/utils/GpioManager.kt

@@ -12,6 +12,7 @@ import timber.log.Timber
  */
 object GpioManager {
     private var mZysjSystemManager: ZysjSystemManager? = null
+    @Volatile
     private var mIsRunning = false
     private var mThread: Thread? = null
     private var lastGpioValue = 1 // 默认松开状态 (1)
@@ -54,6 +55,7 @@ object GpioManager {
 
     fun stopListening() {
         mIsRunning = false
+        mThread?.interrupt()
         mThread = null
     }