多渠道打包方式

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第一种方式，自带工具打包

1、在AndroidManifest.xml中application下配置,name和value可以指定其他字符串。

2、在主module中build.gradle添加渠道信息

android{


    productFlavors {

            wandoujia {
                manifestPlaceholders = [CHANNEL_ID_VALUE: "wandoujia"]
            }

            baidu {
                manifestPlaceholders = [CHANNEL_ID_VALUE: "baidu"]
            }

            c360 {
                manifestPlaceholders = [CHANNEL_ID_VALUE: "c360"]
            }

            qishui {
                manifestPlaceholders = [CHANNEL_ID_VALUE: "七水"]
            }

            zhou {
                manifestPlaceholders = [CHANNEL_ID_VALUE: "周"]
            }
        }
}

wandoujia、qishui为渠道ID;wandoujia、七水为具体渠道值。
另外可以配置为另一种方式 

 productFlavors {
    wandoujia {}
    baidu {}
    c360 {}
    uc {}
    qishui{}
    zhou{}
    productFlavors.all { flavor ->
        flavor.manifestPlaceholders = [CHANNEL_ID_VALUE: name]
    }
}

注意点

CHANNEL_ID渠道号不能全部都是数字，不是一个合法字符串，360或者360x,CHANNEL_ID_VALUE也不能。

在AS3.0上会出现

Error:All flavors must now belong to a named flavor dimension. Learn more at https://d.android.com/r/tools/flavorDimensions-missing-error-message.html

需要配置

flavorDimensions "1" //与versioncode值对应

build.gradle完整配置

apply plugin: 'com.android.application'
android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.qishui.channeldemo"
        minSdkVersion 15
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        flavorDimensions "1"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }


//    productFlavors {
//        wandoujia {}
//        baidu {}
//        x360x {}
//        uc {}
//        qishui{}
//        zhou{}
//        productFlavors.all { flavor ->
//            flavor.manifestPlaceholders = [CHANNEL_ID_VALUE: name]
//        }
//    }
    productFlavors {

        wandoujia {
            manifestPlaceholders = [CHANNEL_ID_VALUE: "wandoujia"]
        }

        baidu {
            manifestPlaceholders = [CHANNEL_ID_VALUE: "baidu"]
        }

        c360 {
            manifestPlaceholders = [CHANNEL_ID_VALUE: "c360"]
        }

        qishui {
            manifestPlaceholders = [CHANNEL_ID_VALUE: "七水"]
        }

        zhou {
            manifestPlaceholders = [CHANNEL_ID_VALUE: "周"]
        }
    }

}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.1.1'
    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}

查看当前渠道

获取渠道信息

public class Utils {

    /**
     * 获取渠道信息
     * @param context
     * @param key
     * @return
     */
    public static String getAppChannelData(Context context, String key) {
        if (context == null || TextUtils.isEmpty(key)) {
            return null;
        }
        String channelNumber = null;
        try {
            PackageManager packageManager = context.getPackageManager();
            if (packageManager != null) {
                ApplicationInfo applicationInfo = packageManager.getApplicationInfo(context.getPackageName(), PackageManager.GET_META_DATA);
                if (applicationInfo != null) {
                    if (applicationInfo.metaData != null) {
                        channelNumber = applicationInfo.metaData.getString(key);
                    }
                }
            }
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        Log.e("Tag",channelNumber);
        return channelNumber;
    }
}

“CHANNEL_ID”对应application下多渠道ID标签

Utils.getAppChannelData(this,"CHANNEL_ID");

打包

和生成正是打包一样，不过选择你需要生成的app;

生成目录比较尴尬，可以选择D盘啥的，在项目外文件地址。

2、第二种，使用多渠道插件打包

插件使用地址
具体配置信息github提供了。

注意配置签名信息，完整

apply plugin: 'com.android.application'
apply plugin: 'channel'

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.qishui.channeldemo"
        minSdkVersion 15
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }

    signingConfigs {
        release {
            keyAlias 'qishui'
            keyPassword 'zwxqishuichixi'
            storeFile file('C:\\Users\\zhou\\Desktop\\app\\qishui.jks')
            storePassword 'zwxqishuichixi'
        }
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
            signingConfig signingConfigs.release
        }
    }

    channel{
        //多渠道包的输出目录，默认为new File(project.buildDir,"channel")
        baseOutputDir = new File(project.buildDir,"channel")
        //多渠道包的命名规则，默认为：${appName}-${versionName}-${versionCode}-${flavorName}-${buildType}
        apkNameFormat ='${appName}-${versionName}-${versionCode}-${flavorName}-${buildType}'
        //快速模式：生成渠道包时不进行校验（速度可以提升10倍以上，默认为false）
        isFastMode = false
        //buildTime的时间格式，默认格式：yyyyMMdd-HHmmss
        buildTimeDateFormat = 'yyyyMMdd-HH:mm:ss'
        //低内存模式（仅针对V2签名，默认为false）：只把签名块、中央目录和EOCD读取到内存，不把最大头的内容块读取到内存，在手机上合成APK时，可以使用该模式
        lowMemory = false
    }

}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.1.1'
    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
    api 'com.leon.channel:helper:2.0.1'
}

获取渠道信息

String channel = ChannelReaderUtil.getChannel(getApplicationContext());

同样可以将apk生成到其他文件盘 

baseOutputDir= new File("C:\\Users\\zhou\\Desktop\\app\\channel")