错误：找不到符号导入 com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory

Question

构建项目时出现错误

error: cannot find symbol
import com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory;
^
symbol:   class DefaultHttpDataSourceFactory
location: package com.google.android.exoplayer2.upstream

无法导入 DefaultHttpDataSourceFactory 类。但所有依赖项都已添加。这个问题的解决方案是什么？

这是我的 Gradle 依赖项

plugins {
    id 'com.android.application'
}

android {
    namespace 'com.example.testiptv'
    compileSdk 33

    defaultConfig {
        applicationId "com.example.testiptv"
        minSdk 24
        targetSdk 33
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {

    implementation 'androidx.appcompat:appcompat:1.6.1'
    implementation 'com.google.android.material:material:1.8.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'

    implementation 'com.android.volley:volley:1.2.1'

    implementation 'com.google.android.exoplayer:exoplayer:2.18.4'
//    implementation 'com.google.android.exoplayer:exoplayer-ui:2.18.4'
//    implementation 'com.google.android.exoplayer:exoplayer-hls:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer:2.18.4'
  //  implementation 'com.google.android.exoplayer:exoplayer-core:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer:2.11.8'


    implementation 'com.google.android.exoplayer:exoplayer-core:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer-dash:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer-hls:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer-smoothstreaming:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer-ui:2.18.4'
}

这是我的清单文件

plugins {
    id 'com.android.application'
}

android {
    namespace 'com.example.testiptv'
    compileSdk 33

    defaultConfig {
        applicationId "com.example.testiptv"
        minSdk 24
        targetSdk 33
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {

    implementation 'androidx.appcompat:appcompat:1.6.1'
    implementation 'com.google.android.material:material:1.8.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'

    implementation 'com.android.volley:volley:1.2.1'

    implementation 'com.google.android.exoplayer:exoplayer:2.18.4'
//    implementation 'com.google.android.exoplayer:exoplayer-ui:2.18.4'
//    implementation 'com.google.android.exoplayer:exoplayer-hls:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer:2.18.4'
  //  implementation 'com.google.android.exoplayer:exoplayer-core:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer:2.11.8'


    implementation 'com.google.android.exoplayer:exoplayer-core:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer-dash:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer-hls:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer-smoothstreaming:2.18.4'
    implementation 'com.google.android.exoplayer:exoplayer-ui:2.18.4'
}

这是exoplayer xml设计

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <application
        android:usesCleartextTraffic="true"

        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/Theme.TestIPTV"
        tools:targetApi="31">
        <activity
            android:name=".videoplayer"
            android:usesCleartextTraffic="true"
            android:screenOrientation="sensor"
            android:exported="false" />
        <activity
            android:name=".MainActivity"
            android:exported="true">

            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

    </application>

</manifest>

这是我的 Java 代码，它插入了一个尝试播放 Exoplayer 的 M3U 链接。

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/root"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".videoplayer"
    android:keepScreenOn="true">

<com.google.android.exoplayer2.ui.PlayerView
    android:id="@+id/player_view"
    app:show_subtitle_button="false"
    app:hide_on_touch="true"
    app:use_controller="true"
    app:controller_layout_id="@layout/custom_exo_view"
    app:show_vr_button="false"
    app:resize_mode="fill"
    app:show_shuffle_button="false"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

</FrameLayout>

Answer 1

正如Exoplayer 发行说明中所述，DefaultHttpDataSourceFactory已在版本 2.16.0 中删除，您应该使用DefaultHttpDataSource.Factory它。