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一次集成Tinker热更新的体验

2017-08-08  本文已影响1058人  fushuang

官方文档:https://github.com/Tencent/tinker 下面我们按照官方文档和这个里面的tinker-sample-android来进行集成Tinker。
注意 说明,官方demo的使用https://github.com/Tencent/tinker/wiki/Tinker-接入指南里面的使用步骤详解

原文链接: http://blog.csdn.net/qq_34306963/article/details/76926930
githubDemo地址:https://github.com/fushuangdage/Tinker
小弟也是刚刚毕业,如有问题,还望大神指正

常用框架比较

常用框架比较

热加载

简单的说 如果Android要加载一个类 就会调用ClassLoader的findClass方法 在dex中查找这个类 找到后加载到内存
而我们要做的就是在findClass的时候让类加载找到的是我们修复过后的类,而不是未修复的类。

这里写图片描述

至于是如何做到的暂时还没有深究,个人理解大概是通过反射替换了ClassLoader,通过自定义的ClassLoader去加载更新之后的类文件从而完成替换

直接上手

关于热更新介绍和机制,网上很多介绍,这里简单记录一下小白使用Tinker热更新的经历

跑通demo,稍后再说导入

https://github.com/Tencent/tinker

  1. 将tinker-sample-android 导入
    这里要注意的是


    这里写图片描述

    需要将app 下的gradle 中 gitRev 字段自己赋值,因为在没有配置git的情况下,无法获取,这个值作为Tinker 的Id,我好像没感觉这个玩意有啥用,应该是唯一的即可,然后这个项目就可以根据编译打包啦(即带有bug需要修复的线上版本)

  2. 修改Bug

比如给随便一个按钮点击事件中多打印一个Toast

  1. 打差异包

首先在Gradle中配置带有bug的apk路径,以及资源文件txt路径,以便让Tinker新老apk进行比较,生成差异包


这里写图片描述

在AS自带命令行中输入 gradlew tinkerPatchDebug,如果其中报错
Warning:ignoreWarning is false, but resources.arsc is changed, you should use applyResourceMapping mode to build the new apk, otherwise, it may be crash at some times
com.tencent.tinker.build.util.TinkerPatchException: ignoreWarning is false, but resources.arsc is changed, you should use applyResourceMapping mode to build the new apk, otherwise, it may be crash at some times

FAILURE: Build failed with an exception.

,可在Gradle中尝试打开警告忽略

这里写图片描述

4.将生成的Patch包导入代码中的加载路径,默认项目中MainActivity中写死了,在存储卡根目录
TinkerInstaller.onReceiveUpgradePatch(getApplicationContext(), Environment.getExternalStorageDirectory().getAbsolutePath() + "/patch_signed_7zip.apk");

patch默认生成在


这里写图片描述

5.最后一步,调用

 TinkerInstaller.onReceiveUpgradePatch(getApplicationContext(), Environment.getExternalStorageDirectory().getAbsolutePath() + "/patch_signed_7zip.apk");

即可,然后将程序关闭,重新打开,就执行的是新的代码啦~

导入到自己的工程

推荐使用Gradle导入

在app下添加

apply plugin: 'com.tencent.tinker.patch'


  compile('com.tencent.tinker:tinker-android-anno:1.7.11')
    //tinker的核心库
    compile('com.tencent.tinker:tinker-android-lib:1.7.11')
    compile "com.android.support:multidex:1.0.1"

project.gradle

 classpath ('com.tencent.tinker:tinker-patch-gradle-plugin:1.7.11')

附上我的完整gradle文件,注意,一定要配置签名文件

apply plugin: 'com.android.application'
apply plugin: 'com.tencent.tinker.patch'


def gitSha() {
    try {
//        String gitRev = 'git rev-parse --short HEAD'.execute(null, project.rootDir).text.trim()
        String gitRev = "fushuang666"
        if (gitRev == null) {
            throw new GradleException("can't get git rev, you should add git to system path or just input test value, such as 'testTinkerId'")
        }
        return gitRev
    } catch (Exception e) {
        throw new GradleException("can't get git rev, you should add git to system path or just input test value, such as 'testTinkerId'")
    }
}

def javaVersion = JavaVersion.VERSION_1_7

def bakPath = file("${buildDir}/bakApk/")

/**
 * you can use assembleRelease to build you base apk
 * use tinkerPatchRelease -POLD_APK=  -PAPPLY_MAPPING=  -PAPPLY_RESOURCE= to build patch
 * add apk from the build/bakApk
 */
ext {
    //for some reason, you may want to ignore tinkerBuild, such as instant run debug build?
    tinkerEnabled = true

    //for normal build
    //old apk file to build patch apk
    tinkerOldApkPath = "${bakPath}/app-debug-0808-17-04-26.apk"
    //proguard mapping file to build patch apk
    tinkerApplyMappingPath = "${bakPath}/app-debug-1018-17-32-47-mapping.txt"
    //resource R.txt to build patch apk, must input if there is resource changed
    tinkerApplyResourcePath = "${bakPath}/app-debug-0808-17-04-26.txt"

    //only use for build all flavor, if not, just ignore this field
    tinkerBuildFlavorDirectory = "${bakPath}/app-1018-17-32-47"
}


def getOldApkPath() {
    return hasProperty("OLD_APK") ? OLD_APK : ext.tinkerOldApkPath
}

def getApplyMappingPath() {
    return hasProperty("APPLY_MAPPING") ? APPLY_MAPPING : ext.tinkerApplyMappingPath
}

def getApplyResourceMappingPath() {
    return hasProperty("APPLY_RESOURCE") ? APPLY_RESOURCE : ext.tinkerApplyResourcePath
}

def getTinkerIdValue() {
    return hasProperty("TINKER_ID") ? TINKER_ID : gitSha()
}

def buildWithTinker() {
    return hasProperty("TINKER_ENABLE") ? TINKER_ENABLE : ext.tinkerEnabled
}

def getTinkerBuildFlavorDirectory() {
    return ext.tinkerBuildFlavorDirectory
}

if (buildWithTinker()) {
    apply plugin: 'com.tencent.tinker.patch'

    tinkerPatch {
        /**
         * necessary,default 'null'
         * the old apk path, use to diff with the new apk to build
         * add apk from the build/bakApk
         */
        oldApk = getOldApkPath()
        /**
         * optional,default 'false'
         * there are some cases we may get some warnings
         * if ignoreWarning is true, we would just assert the patch process
         * case 1: minSdkVersion is below 14, but you are using dexMode with raw.
         *         it must be crash when load.
         * case 2: newly added Android Component in AndroidManifest.xml,
         *         it must be crash when load.
         * case 3: loader classes in dex.loader{} are not keep in the main dex,
         *         it must be let tinker not work.
         * case 4: loader classes in dex.loader{} changes,
         *         loader classes is ues to load patch dex. it is useless to change them.
         *         it won't crash, but these changes can't effect. you may ignore it
         * case 5: resources.arsc has changed, but we don't use applyResourceMapping to build
         */
        ignoreWarning = true

        /**
         * optional,default 'true'
         * whether sign the patch file
         * if not, you must do yourself. otherwise it can't check success during the patch loading
         * we will use the sign config with your build type
         */
        useSign = true

        /**
         * optional,default 'true'
         * whether use tinker to build
         */
        tinkerEnable = buildWithTinker()

        /**
         * Warning, applyMapping will affect the normal android build!
         */
        buildConfig {
            /**
             * optional,default 'null'
             * if we use tinkerPatch to build the patch apk, you'd better to apply the old
             * apk mapping file if minifyEnabled is enable!
             * Warning:
             * you must be careful that it will affect the normal assemble build!
             */
            applyMapping = getApplyMappingPath()
            /**
             * optional,default 'null'
             * It is nice to keep the resource id from R.txt file to reduce java changes
             */
            applyResourceMapping = getApplyResourceMappingPath()

            /**
             * necessary,default 'null'
             * because we don't want to check the base apk with md5 in the runtime(it is slow)
             * tinkerId is use to identify the unique base apk when the patch is tried to apply.
             * we can use git rev, svn rev or simply versionCode.
             * we will gen the tinkerId in your manifest automatic
             */
            tinkerId = getTinkerIdValue()

            /**
             * if keepDexApply is true, class in which dex refer to the old apk.
             * open this can reduce the dex diff file size.
             */
            keepDexApply = false

            /**
             * optional, default 'false'
             * Whether tinker should treat the base apk as the one being protected by app
             * protection tools.
             * If this attribute is true, the generated patch package will contain a
             * dex including all changed classes instead of any dexdiff patch-info files.
             */
            isProtectedApp = false
        }

        dex {
            /**
             * optional,default 'jar'
             * only can be 'raw' or 'jar'. for raw, we would keep its original format
             * for jar, we would repack dexes with zip format.
             * if you want to support below 14, you must use jar
             * or you want to save rom or check quicker, you can use raw mode also
             */
            dexMode = "jar"

            /**
             * necessary,default '[]'
             * what dexes in apk are expected to deal with tinkerPatch
             * it support * or ? pattern.
             */
            pattern = ["classes*.dex",
                       "assets/secondary-dex-?.jar"]
            /**
             * necessary,default '[]'
             * Warning, it is very very important, loader classes can't change with patch.
             * thus, they will be removed from patch dexes.
             * you must put the following class into main dex.
             * Simply, you should add your own application {@code tinker.sample.android.SampleApplication}
             * own tinkerLoader, and the classes you use in them
             *
             */
            loader = [
                    //use sample, let BaseBuildInfo unchangeable with tinker
                    "tinker.sample.android.app.BaseBuildInfo"
            ]
        }

        lib {
            /**
             * optional,default '[]'
             * what library in apk are expected to deal with tinkerPatch
             * it support * or ? pattern.
             * for library in assets, we would just recover them in the patch directory
             * you can get them in TinkerLoadResult with Tinker
             */
            pattern = ["lib/*/*.so"]
        }

        res {
            /**
             * optional,default '[]'
             * what resource in apk are expected to deal with tinkerPatch
             * it support * or ? pattern.
             * you must include all your resources in apk here,
             * otherwise, they won't repack in the new apk resources.
             */
            pattern = ["res/*", "assets/*", "resources.arsc", "AndroidManifest.xml"]

            /**
             * optional,default '[]'
             * the resource file exclude patterns, ignore add, delete or modify resource change
             * it support * or ? pattern.
             * Warning, we can only use for files no relative with resources.arsc
             */
            ignoreChange = ["assets/sample_meta.txt"]

            /**
             * default 100kb
             * for modify resource, if it is larger than 'largeModSize'
             * we would like to use bsdiff algorithm to reduce patch file size
             */
            largeModSize = 100
        }

        packageConfig {
            /**
             * optional,default 'TINKER_ID, TINKER_ID_VALUE' 'NEW_TINKER_ID, NEW_TINKER_ID_VALUE'
             * package meta file gen. path is assets/package_meta.txt in patch file
             * you can use securityCheck.getPackageProperties() in your ownPackageCheck method
             * or TinkerLoadResult.getPackageConfigByName
             * we will get the TINKER_ID from the old apk manifest for you automatic,
             * other config files (such as patchMessage below)is not necessary
             */
            configField("patchMessage", "tinker is sample to use")
            /**
             * just a sample case, you can use such as sdkVersion, brand, channel...
             * you can parse it in the SamplePatchListener.
             * Then you can use patch conditional!
             */
            configField("platform", "all")
            /**
             * patch version via packageConfig
             */
            configField("patchVersion", "1.0")
        }
        //or you can add config filed outside, or get meta value from old apk
        //project.tinkerPatch.packageConfig.configField("test1", project.tinkerPatch.packageConfig.getMetaDataFromOldApk("Test"))
        //project.tinkerPatch.packageConfig.configField("test2", "sample")

        /**
         * if you don't use zipArtifact or path, we just use 7za to try
         */
        sevenZip {
            /**
             * optional,default '7za'
             * the 7zip artifact path, it will use the right 7za with your platform
             */
            zipArtifact = "com.tencent.mm:SevenZip:1.1.10"
            /**
             * optional,default '7za'
             * you can specify the 7za path yourself, it will overwrite the zipArtifact value
             */
//        path = "/usr/local/bin/7za"
        }
    }

    List<String> flavors = new ArrayList<>();
    project.android.productFlavors.each {flavor ->
        flavors.add(flavor.name)
    }
    boolean hasFlavors = flavors.size() > 0
    def date = new Date().format("MMdd-HH-mm-ss")

    /**
     * bak apk and mapping
     */
    android.applicationVariants.all { variant ->
        /**
         * task type, you want to bak
         */
        def taskName = variant.name

        tasks.all {
            if ("assemble${taskName.capitalize()}".equalsIgnoreCase(it.name)) {

                it.doLast {
                    copy {
                        def fileNamePrefix = "${project.name}-${variant.baseName}"
                        def newFileNamePrefix = hasFlavors ? "${fileNamePrefix}" : "${fileNamePrefix}-${date}"

                        def destPath = hasFlavors ? file("${bakPath}/${project.name}-${date}/${variant.flavorName}") : bakPath
                        from variant.outputs.outputFile
                        into destPath
                        rename { String fileName ->
                            fileName.replace("${fileNamePrefix}.apk", "${newFileNamePrefix}.apk")
                        }

                        from "${buildDir}/outputs/mapping/${variant.dirName}/mapping.txt"
                        into destPath
                        rename { String fileName ->
                            fileName.replace("mapping.txt", "${newFileNamePrefix}-mapping.txt")
                        }

                        from "${buildDir}/intermediates/symbols/${variant.dirName}/R.txt"
                        into destPath
                        rename { String fileName ->
                            fileName.replace("R.txt", "${newFileNamePrefix}-R.txt")
                        }
                    }
                }
            }
        }
    }
    project.afterEvaluate {
        //sample use for build all flavor for one time
        if (hasFlavors) {
            task(tinkerPatchAllFlavorRelease) {
                group = 'tinker'
                def originOldPath = getTinkerBuildFlavorDirectory()
                for (String flavor : flavors) {
                    def tinkerTask = tasks.getByName("tinkerPatch${flavor.capitalize()}Release")
                    dependsOn tinkerTask
                    def preAssembleTask = tasks.getByName("process${flavor.capitalize()}ReleaseManifest")
                    preAssembleTask.doFirst {
                        String flavorName = preAssembleTask.name.substring(7, 8).toLowerCase() + preAssembleTask.name.substring(8, preAssembleTask.name.length() - 15)
                        project.tinkerPatch.oldApk = "${originOldPath}/${flavorName}/${project.name}-${flavorName}-release.apk"
                        project.tinkerPatch.buildConfig.applyMapping = "${originOldPath}/${flavorName}/${project.name}-${flavorName}-release-mapping.txt"
                        project.tinkerPatch.buildConfig.applyResourceMapping = "${originOldPath}/${flavorName}/${project.name}-${flavorName}-release-R.txt"

                    }

                }
            }

            task(tinkerPatchAllFlavorDebug) {
                group = 'tinker'
                def originOldPath = getTinkerBuildFlavorDirectory()
                for (String flavor : flavors) {
                    def tinkerTask = tasks.getByName("tinkerPatch${flavor.capitalize()}Debug")
                    dependsOn tinkerTask
                    def preAssembleTask = tasks.getByName("process${flavor.capitalize()}DebugManifest")
                    preAssembleTask.doFirst {
                        String flavorName = preAssembleTask.name.substring(7, 8).toLowerCase() + preAssembleTask.name.substring(8, preAssembleTask.name.length() - 13)
                        project.tinkerPatch.oldApk = "${originOldPath}/${flavorName}/${project.name}-${flavorName}-debug.apk"
                        project.tinkerPatch.buildConfig.applyMapping = "${originOldPath}/${flavorName}/${project.name}-${flavorName}-debug-mapping.txt"
                        project.tinkerPatch.buildConfig.applyResourceMapping = "${originOldPath}/${flavorName}/${project.name}-${flavorName}-debug-R.txt"
                    }

                }
            }
        }
    }
}

android {
    compileSdkVersion 26
    buildToolsVersion "26.0.0"

    compileOptions {
        sourceCompatibility javaVersion
        targetCompatibility javaVersion
    }

    //recommend
    dexOptions {
        jumboMode = true
    }

    signingConfigs {
        release {
            try {
                storeFile file("./keystore/key.jks")
                storePassword "123456"
                keyAlias "key"
                keyPassword "123456"
            } catch (ex) {
                throw new InvalidUserDataException(ex.toString())
            }
        }

        debug {
            storeFile file("./keystore/key.jks")
            storePassword "123456"
            keyAlias "key"
            keyPassword "123456"
        }
    }

    defaultConfig {
        applicationId "com.example.admin.tinker"
        minSdkVersion 19
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

        /**
         * you can use multiDex and install it in your ApplicationLifeCycle implement
         */
        multiDexEnabled true
        /**
         * buildConfig can change during patch!
         * we can use the newly value when patch
         */
        buildConfigField "String", "MESSAGE", "\"I am the base apk\""
//        buildConfigField "String", "MESSAGE", "\"I am the patch apk\""
        /**
         * client version would update with patch
         * so we can get the newly git version easily!
         */
        buildConfigField "String", "TINKER_ID", "\"${getTinkerIdValue()}\""
        buildConfigField "String", "PLATFORM",  "\"all\""

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

}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:appcompat-v7:26.+'
    compile 'com.android.support.constraint:constraint-layout:1.0.2'
    testCompile 'junit:junit:4.12'
    //可选,用于生成application类
    compile('com.tencent.tinker:tinker-android-anno:1.7.11')
    //tinker的核心库
    compile('com.tencent.tinker:tinker-android-lib:1.7.11')
    compile "com.android.support:multidex:1.0.1"

}

将demo中的类导入


这里写图片描述

修改Manifast文件


这里写图片描述

好啦,你的工程可以和Demo工程一样愉快的使用了。具体加载Patch清除Patch 看Demo就可以了

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