NotificationCompat.Builder(getApplicationContext(), CHANNEL_ID) 不适用于 Oreo Firebase 通知 [英] NotificationCompat.Builder(getApplicationContext(), CHANNEL_ID) not working on Oreo Firebase notification

问题描述

我正在尝试在 Oreo 版本 中使用 Firebase 显示通知，所以当我得到解决方案时它没有显示
NotificationCompat.Builder(this, CHANNEL_ID) 但它向我展示了这样

而我的 build.gradle 文件是

 应用插件:'com.android.application'依赖{编译项目(':库')编译项目(':camerafragment')编译'com.google.android.gms:play-services:11.0.0'编译'com.squareup.picasso:picasso:2.5.2'编译'com.mcxiaoke.volley:library:1.0.17'编译'com.android.support:appcompat-v7:26.0.0-alpha1'编译'com.android.support.constraint:constraint-layout:1.0.2'编译'com.android.support:recyclerview-v7:26.0.0-alpha1'编译'com.android.support:cardview-v7:26.0.0-alpha1'编译'com.google.firebase:firebase-messaging:11.0.0'编译'com.google.android.gms:play-services-maps:11.0.0'编译'com.facebook.android:facebook-android-sdk:[4,5)'编译'com.android.support:design:26.0.0-alpha1'编译'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'编译'com.jakewharton:butterknife:7.0.1'编译'com.google.android.gms:play-services-auth:11.0.0'编译'net.gotev:uploadservice:2.1'编译'com.google.firebase:firebase-auth:11.0.0'编译'com.google.code.gson:gson:2.8.0'编译'com.android.support:support-v4:26.0.0-alpha1'}安卓 {compileSdkVersion 27构建工具版本27.0.0"dex 选项 {javaMaxHeapSize "4g"}默认配置 {应用程序IDcom.trashmap"minSdkVersion 17targetSdkVersion 27//启用多索引支持.multiDexEnabled 真版本代码 17版本名称1.16"testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"}构建类型 {发布 {缩小启用假//shrinkResources true//新添加以减小大小proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'}}源集{主要的 {manifest.srcFile 'AndroidManifest.xml'java.srcDirs = ['src']res.srcDirs = ['res']}}}应用插件:'com.google.gms.google-services'

解决方案

NotificationCompat.Builder(上下文上下文)

<块引用>

此构造函数在 API 级别 26.1.0 中已弃用.

使用 NotificationCompat.Builder(Context, String) 代替.所有发布的通知都必须指定一个 NotificationChannel Id.

而且你已经定义了 compile 'com.android.support:support-v4:26.0.0-alpha1' 所以你必须改变你的支持库的版本号.

I am trying to show notification using Firebase in Oreo version so it's not showing when I get Solution
NotificationCompat.Builder(this, CHANNEL_ID) but it's showing me like this

and my build.gradle file is

    apply plugin: 'com.android.application'

    dependencies {
    compile project(':library')
    compile project(':camerafragment')
    compile 'com.google.android.gms:play-services:11.0.0'
    compile 'com.squareup.picasso:picasso:2.5.2'
    compile 'com.mcxiaoke.volley:library:1.0.17'
    compile 'com.android.support:appcompat-v7:26.0.0-alpha1'
    compile 'com.android.support.constraint:constraint-layout:1.0.2'
    compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'
    compile 'com.android.support:cardview-v7:26.0.0-alpha1'
    compile 'com.google.firebase:firebase-messaging:11.0.0'
    compile 'com.google.android.gms:play-services-maps:11.0.0'
    compile 'com.facebook.android:facebook-android-sdk:[4,5)'
    compile 'com.android.support:design:26.0.0-alpha1'
    compile 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'
    compile 'com.jakewharton:butterknife:7.0.1'
    compile 'com.google.android.gms:play-services-auth:11.0.0'
    compile 'net.gotev:uploadservice:2.1'
    compile 'com.google.firebase:firebase-auth:11.0.0'
    compile 'com.google.code.gson:gson:2.8.0'
    compile 'com.android.support:support-v4:26.0.0-alpha1'
    }

    android {

    compileSdkVersion 27
    buildToolsVersion "27.0.0"
    dexOptions {
        javaMaxHeapSize "4g"
    }
    defaultConfig {
        applicationId "com.trashmap"
        minSdkVersion 17
        targetSdkVersion 27

        // Enabling multidex support.
        multiDexEnabled true
        versionCode 17
        versionName "1.16"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
           // shrinkResources true//new add to reduce size
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }

    }



      sourceSets {
        main {
            manifest.srcFile 'AndroidManifest.xml'
            java.srcDirs = ['src']
            res.srcDirs = ['res']
        }
    }
}

apply plugin: 'com.google.gms.google-services'

解决方案

NotificationCompat.Builder (Context context)

This constructor was deprecated in API level 26.1.0.

use NotificationCompat.Builder(Context, String) instead. All posted Notifications must specify a NotificationChannel Id.

And you have defined compile 'com.android.support:support-v4:26.0.0-alpha1' So you have to change your version number of support library.

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