如何修复“android.support.v4.content.LocalBroadcastManager”导入错误jetpack撰写和MqttService.java

ia2d9nvy  于 2024-01-04  发布在  Android
关注(0)|答案(1)|浏览(132)

如何修复jetpack compose中MqttService.java类中的导入错误“android.support.v4.content.LocalBroadcastManager”我试图使用mqtt和android，但我有这个错误
这是我的乘客名单

  1. <?xml version="1.0" encoding="utf-8"?>
  2. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
  3.     xmlns:tools="http://schemas.android.com/tools">
  4.     <uses-permission android:name="android.permission.INTERNET" />
  5.     <uses-permission android:name="android.permission.WAKE_LOCK" />
  6.     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
  7.     <application
  8.         android:allowBackup="true"
  9.         android:dataExtractionRules="@xml/data_extraction_rules"
  10.         android:fullBackupContent="@xml/backup_rules"
  11.         android:icon="@mipmap/ic_launcher"
  12.         android:label="@string/app_name"
  13.         android:roundIcon="@mipmap/ic_launcher_round"
  14.         android:supportsRtl="true"
  15.         android:theme="@style/Theme.Teste"
  16.         tools:targetApi="31">
  17.         <service android:name="org.eclipse.paho.android.service.MqttService" />
  18.         <activity
  19.             android:name=".MainActivity"
  20.             android:exported="true"
  21.             android:label="@string/app_name"
  22.             android:theme="@style/Theme.Teste">
  23.             <intent-filter>
  24.                 <action android:name="android.intent.action.MAIN" />
  26.                 <category android:name="android.intent.category.LAUNCHER" />
  27.             </intent-filter>
  28.         </activity>
  29.     </application>
  31. </manifest>

字符串
build.gradle.kts:

  1. plugins {
  2.     id("com.android.application")
  3.     id("org.jetbrains.kotlin.android")
  4. }
  6. android {
  7.     namespace = "com.example.teste"
  8.     compileSdk = 34
  10.     defaultConfig {
  11.         applicationId = "com.example.teste"
  12.         minSdk = 21
  13.         targetSdk = 34
  14.         versionCode = 1
  15.         versionName = "1.0"
  17.         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
  18.         vectorDrawables {
  19.             useSupportLibrary = true
  20.         }
  21.     }
  23.     buildTypes {
  24.         release {
  25.             isMinifyEnabled = false
  26.             proguardFiles(
  27.                 getDefaultProguardFile("proguard-android-optimize.txt"),
  28.                 "proguard-rules.pro"
  29.             )
  30.         }
  31.     }
  32.     compileOptions {
  33.         sourceCompatibility = JavaVersion.VERSION_1_8
  34.         targetCompatibility = JavaVersion.VERSION_1_8
  35.     }
  36.     kotlinOptions {
  37.         jvmTarget = "1.8"
  38.     }
  39.     buildFeatures {
  40.         compose = true
  41.     }
  42.     composeOptions {
  43.         kotlinCompilerExtensionVersion = "1.4.3"
  44.     }
  45.     packaging {
  46.         resources {
  47.             excludes += "/META-INF/{AL2.0,LGPL2.1}"
  48.         }
  49.     }
  50. }
  52. dependencies {
  54.     implementation("androidx.core:core-ktx:1.12.0")
  55.     implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
  56.     implementation("androidx.activity:activity-compose:1.8.2")
  57.     implementation(platform("androidx.compose:compose-bom:2023.03.00"))
  58.     implementation("androidx.compose.ui:ui")
  59.     implementation("androidx.compose.ui:ui-graphics")
  60.     implementation("androidx.compose.ui:ui-tooling-preview")
  61.     implementation("androidx.compose.material3:material3")
  62.     testImplementation("junit:junit:4.13.2")
  63.     androidTestImplementation("androidx.test.ext:junit:1.1.5")
  64.     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
  65.     androidTestImplementation(platform("androidx.compose:compose-bom:2023.03.00"))
  66.     androidTestImplementation("androidx.compose.ui:ui-test-junit4")
  67.     debugImplementation("androidx.compose.ui:ui-tooling")
  68.     debugImplementation("androidx.compose.ui:ui-test-manifest")
  69.     implementation("org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.5")
  70.     implementation("org.eclipse.paho:org.eclipse.paho.android.service:1.1.1")
  72.     implementation ("androidx.appcompat:appcompat:1.6.1")
  73.     implementation ("com.google.android.material:material:1.11.0")
  76. }

型
错误类型：

  1. at android.app.ActivityThread.main(ActivityThread.java:8058)                                                                                                        
  2. at java.lang.reflect.Method.invoke(Native Method)
  3. at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)                                                                                                        
  4. at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1026)
  5. Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v4.content.LocalBroadcastManager" on path: DexPathList[[zip file "/data/app/~~JLox8OfsuMwxW3mCVxrEjg==/com.example.teste--Ik6OrSbSVdnTemMoaxLtg==/base.apk"],nativeLibraryDirectories=[/data/app/~~JLox8OfsuMwxW3mCVxrEjg==/com.example.teste--Ik6OrSbSVdnTemMoaxLtg==/lib/arm64, /system/lib64, /system_ext/lib64]]
  6.     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:259)
  7.     at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
  8.     at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
  9.     ... 93 more

型
MQTT类：

  1. class MQTT {
  2.     private var mqttClient: MqttAndroidClient?=null
  3.     // TAG
  4.     companion object {
  5.         const val TAG = "AndroidMqttClient"
  6.     }
  8.     fun connect(context: Context) {
  9.         val serverURI = "tcp://x.x.x.x:1883"
  10.         mqttClient = MqttAndroidClient(context, serverURI, "go_mqtt_client")
  11.         mqttClient?.setCallback(object : MqttCallback {
  12.             override fun messageArrived(topic: String?, message: MqttMessage?) {
  13.                 Log.d(TAG, "Receive message: ${message.toString()} from topic: $topic")
  14.             }
  16.             override fun connectionLost(cause: Throwable?) {
  17.                 Log.d(TAG, "Connection lost ${cause.toString()}")
  18.             }
  20.             override fun deliveryComplete(token: IMqttDeliveryToken?) {
  22.             }
  23.         })
  24.         val options = MqttConnectOptions()
  26.         try {
  27.             mqttClient?.connect(options, null, object : IMqttActionListener {
  28.                 override fun onSuccess(asyncActionToken: IMqttToken?) {
  29.                     Log.d(TAG, "Connection success")
  30.                 }
  32.                 override fun onFailure(asyncActionToken: IMqttToken?, exception: Throwable?) {
  33.                     Log.d(TAG, "Connection failure")
  34.                 }
  35.             })
  36.         } catch (e: MqttException) {
  37.             e.printStackTrace()
  38.         }
  40.     }
  42.     fun subscribe(topic: String, qos: Int = 1) {
  43.         try {
  44.             mqttClient?.subscribe(topic, qos, null, object : IMqttActionListener {
  45.                 override fun onSuccess(asyncActionToken: IMqttToken?) {
  46.                     Log.d(TAG, "Subscribed to $topic")
  47.                 }
  49.                 override fun onFailure(asyncActionToken: IMqttToken?, exception: Throwable?) {
  50.                     Log.d(TAG, "Failed to subscribe $topic")
  51.                 }
  52.             })
  53.         } catch (e: MqttException) {
  54.             e.printStackTrace()
  55.         }
  56.     }
  58.     fun unsubscribe(topic: String) {
  59.         try {
  60.             mqttClient?.unsubscribe(topic, null, object : IMqttActionListener {
  61.                 override fun onSuccess(asyncActionToken: IMqttToken?) {
  62.                     Log.d(TAG, "Unsubscribed to $topic")
  63.                 }
  65.                 override fun onFailure(asyncActionToken: IMqttToken?, exception: Throwable?) {
  66.                     Log.d(TAG, "Failed to unsubscribe $topic")
  67.                 }
  68.             })
  69.         } catch (e: MqttException) {
  70.             e.printStackTrace()
  71.         }
  72.     }
  74.     fun publish(topic: String, msg: String, qos: Int = 1, retained: Boolean = false) {
  75.         try {
  76.             val message = MqttMessage()
  77.             message.payload = msg.toByteArray()
  78.             message.qos = qos
  79.             message.isRetained = retained
  80.             mqttClient?.publish(topic, message, null, object : IMqttActionListener {
  81.                 override fun onSuccess(asyncActionToken: IMqttToken?) {
  82.                     Log.d(TAG, "$msg published to $topic")
  83.                 }
  85.                 override fun onFailure(asyncActionToken: IMqttToken?, exception: Throwable?) {
  86.                     Log.d(TAG, "Failed to publish $msg to $topic")
  87.                 }
  88.             })
  89.         } catch (e: MqttException) {
  90.             e.printStackTrace()
  91.         }
  92.     }
  94.     fun disconnect() {
  95.         try {
  96.             mqttClient?.disconnect(null, object : IMqttActionListener {
  97.                 override fun onSuccess(asyncActionToken: IMqttToken?) {
  98.                     Log.d(TAG, "Disconnected")
  99.                 }
  101.                 override fun onFailure(asyncActionToken: IMqttToken?, exception: Throwable?) {
  102.                     Log.d(TAG, "Failed to disconnect")
  103.                 }
  104.             })
  105.         } catch (e: MqttException) {
  106.             e.printStackTrace()
  107.         }
  108.     }
  110. }

型
类MainActivity：

  1. class MainActivity : ComponentActivity() {
  3.     override fun onCreate(savedInstanceState: Bundle?) {
  4.         super.onCreate(savedInstanceState)
  5.         val mqtt = MQTT()
  6.         setContent {
  7.             TesteTheme {
  8.                 // A surface container using the 'background' color from the theme
  9.                 Surface(
  10.                     modifier = Modifier.fillMaxSize(),
  11.                     color = MaterialTheme.colorScheme.background
  12.                 ) {
  13.                     mqtt.connect(LocalContext.current)
  14.                     mqtt.subscribe("topic/test")
  15.                 }
  16.             }
  17.         }
  18.         mqtt.publish("topic/test","Testar")
  19.         mqtt.disconnect()
  20.     }
  21. }

型
服务器mqtt go：

  1. package main
  3. import (
  4.     "log"
  5.     "os"
  6.     "os/signal"
  7.     "syscall"
  8.     "time"
  10.     mqtt "github.com/mochi-mqtt/server/v2"
  11.     "github.com/mochi-mqtt/server/v2/hooks/auth"
  12.     "github.com/mochi-mqtt/server/v2/listeners"
  13. )
  15. func main() {
  16.     // Create signals channel to run server until interrupted
  17.     sigs := make(chan os.Signal, 1)
  18.     done := make(chan bool, 1)
  19.     signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
  20.     go func() {
  21.         <-sigs
  22.         done <- true
  23.     }()
  25.     opts := mqtt.Options{
  26.         InlineClient: true,
  27.     }
  28.     // Create the new MQTT Server.
  29.     server := mqtt.New(&opts)
  31.     // Allow all connections.
  32.     _ = server.AddHook(new(auth.AllowHook), nil)
  34.     // Create a TCP listener on a standard port.
  35.     tcp := listeners.NewTCP("t1", "0.0.0.0:1883", nil)
  36.     err := server.AddListener(tcp)
  37.     if err != nil {
  38.         log.Fatal(err)
  39.     }
  41.     go func() {
  42.         err := server.Serve()
  43.         if err != nil {
  44.             log.Fatal(err)
  45.         }
  46.     }()
  48.     go func() {
  49.         for range time.Tick(time.Second * 5) {
  50.             err := server.Publish("topic/test", []byte("Hello World!\n"), false, 0)
  51.             if err != nil {
  52.                 server.Log.Error("server.Publish", "error", err)
  53.             }
  54.             server.Log.Info("main.go issued direct message to direct/publish")
  55.         }
  56.     }()
  58.     // Run server until interrupted
  59.     <-done
  61.     // Cleanup
  62. }

型
下面是tutorial：
有人知道这是什么吗？

android

1条答案

按热度按时间
yks3o0rb

yks3o0rb1#

[解决]
build.gradle.kts

  1. plugins {
  2.     id("com.android.application")
  3.     id("org.jetbrains.kotlin.android")
  4. }
  6. android {
  7.     namespace = "com.example.testar"
  8.     compileSdk = 34
  10.     defaultConfig {
  11.         applicationId = "com.example.testar"
  12.         minSdk = 21
  13.         targetSdk = 34
  14.         versionCode = 1
  15.         versionName = "1.0"
  17.         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
  18.         vectorDrawables {
  19.             useSupportLibrary = true
  20.         }
  21.     }
  23.     buildTypes {
  24.         release {
  25.             isMinifyEnabled = false
  26.             proguardFiles(
  27.                 getDefaultProguardFile("proguard-android-optimize.txt"),
  28.                 "proguard-rules.pro"
  29.             )
  30.         }
  31.     }
  32.     compileOptions {
  33.         sourceCompatibility = JavaVersion.VERSION_1_8
  34.         targetCompatibility = JavaVersion.VERSION_1_8
  35.     }
  36.     kotlinOptions {
  37.         jvmTarget = "1.8"
  38.     }
  39.     buildFeatures {
  40.         compose = true
  41.     }
  42.     composeOptions {
  43.         kotlinCompilerExtensionVersion = "1.4.3"
  44.     }
  45.     packaging {
  46.         resources {
  47.             excludes += "/META-INF/{AL2.0,LGPL2.1}"
  48.         }
  49.     }
  50. }
  52. dependencies {
  54.     implementation("androidx.core:core-ktx:1.12.0")
  55.     implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
  56.     implementation("androidx.activity:activity-compose:1.8.2")
  57.     implementation(platform("androidx.compose:compose-bom:2023.03.00"))
  58.     implementation("androidx.compose.ui:ui")
  59.     implementation("androidx.compose.ui:ui-graphics")
  60.     implementation("androidx.compose.ui:ui-tooling-preview")
  61.     implementation("androidx.compose.material3:material3")
  62.     testImplementation("junit:junit:4.13.2")
  63.     androidTestImplementation("androidx.test.ext:junit:1.1.5")
  64.     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
  65.     androidTestImplementation(platform("androidx.compose:compose-bom:2023.03.00"))
  66.     androidTestImplementation("androidx.compose.ui:ui-test-junit4")
  67.     debugImplementation("androidx.compose.ui:ui-tooling")
  68.     debugImplementation("androidx.compose.ui:ui-test-manifest")
  69.     implementation("org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.5")
  70. }

字符串
主要类别：

  1. package com.example.testar
  3. import android.os.Bundle
  4. import androidx.activity.ComponentActivity
  5. import androidx.activity.compose.setContent
  6. import androidx.compose.foundation.layout.Column
  7. import androidx.compose.foundation.layout.fillMaxSize
  8. import androidx.compose.material3.ExperimentalMaterial3Api
  9. import androidx.compose.material3.MaterialTheme
  10. import androidx.compose.material3.Surface
  11. import androidx.compose.material3.Text
  12. import androidx.compose.material3.TopAppBar
  13. import androidx.compose.runtime.*
  14. import androidx.compose.ui.Modifier
  15. import com.example.testar.ui.theme.TestarTheme
  16. import org.eclipse.paho.client.mqttv3.*
  17. import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence
  18. import java.nio.charset.Charset
  20. class MainActivity : ComponentActivity() {
  21.    
  22.     private val mqttServerUri = "tcp://x.x.x.x:1883"
  23.     private val mqttTopic = "topic/test"
  24.     private lateinit var mqttClient: MqttClient
  25.     override fun onCreate(savedInstanceState: Bundle?) {
  26.         super.onCreate(savedInstanceState)
  27.         setContent {
  28.             TestarTheme {
  29.                 // A surface container using the 'background' color from the theme
  30.                 Surface(
  31.                     modifier = Modifier.fillMaxSize(),
  32.                     color = MaterialTheme.colorScheme.background
  33.                 ) {
  34.                     val messageState = remember { mutableStateOf("") }
  35.                     MqttSubscriptionApp(messageState)                        
  36.                     startMqttSubscription(messageState)
  37.                 }
  39.             }
  40.         }
  41.     }
  43.     private fun startMqttSubscription(messageState: MutableState<String>) {
  44.         try {
  45.             mqttClient = MqttClient(mqttServerUri, MqttClient.generateClientId(), MemoryPersistence())
  46.             val options = MqttConnectOptions()
  47.             options.isAutomaticReconnect = true
  48.             options.isCleanSession = false
  49.             mqttClient.connect(options)
  51.             mqttClient.setCallback(object : MqttCallback {
  52.                 override fun connectionLost(cause: Throwable?) {
  53.                     
  54.                 }
  56.                 override fun messageArrived(topic: String?, message: MqttMessage?) {
  57.                     
  58.                     val receivedMessage = message?.toString()
  59.                     if (!receivedMessage.isNullOrEmpty()) {                            
  60.                         val utf8String = receivedMessage.toByteArray(Charset.forName("UTF-8"))                            
  61.                         val convertedString = String(utf8String, Charset.forName("UTF-8"))                            
  62.                         messageState.value = convertedString
  63.                     }
  64.                 }
  66.                 override fun deliveryComplete(token: IMqttDeliveryToken?) {
  67.                  
  68.                 }
  69.             })
  71.             mqttClient.subscribe(mqttTopic, 0)
  72.             val topic: MqttTopic = mqttClient.getTopic(mqttTopic)
  73.             val publication = "Hello world 10"
  74.             val message = MqttMessage(publication.toByteArray())
  75.             val token:MqttDeliveryToken = topic.publish(message)
  77.         } catch (e: MqttException) {
  78.             e.printStackTrace()
  79.         }
  80.     }
  81. }
  83. @OptIn(ExperimentalMaterial3Api::class)
  84. @Composable
  85. fun MqttSubscriptionApp(messageState: MutableState<String>) {
  86.     Column {
  87.         TopAppBar(title = { Text(text = "MQTT message") })
  88.         Surface {
  89.             Column {
  90.                 Text(text = "MESSSAGE:")
  91.                 Text(text = messageState.value)
  92.             }
  93.         }
  94.     }
  95. }

型

展开查看全部
赞(0）分享  回复(0）举报  2024-01-04
我来回答

相关问题

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新问答

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com