Tinker使用

Tinker简介

Tinker是微信官方的Android热补丁解决方案，它支持动态下发代码、So库以及资源，让应用能够在不需要重新安装的情况下实现更新。

tinker官方介绍

使用步骤

1.在项目的build.gradle文件中，添加以下代码：

dependencies {    classpath "com.tencent.tinker:tinker-patch-gradle-plugin:${TINKER_VERSION}"}

在gradle.properties文件中配置TINKER_VERSION：

TINKER_VERSION = 1.7.9

2.在app的build.gradle文件中，添加以下代码：

dependencies {    provided("com.tencent.tinker:tinker-android-anno:${TINKER_VERSION}")    compile("com.tencent.tinker:tinker-android-lib:${TINKER_VERSION}")    compile('com.android.support:multidex:1.0.1')}def gitSha() {    try {        String gitRev = 'git rev-parse --short HEAD'.execute(null, project.rootDir).text.trim()        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 bakPath = file("${buildDir}/bakApk/")ext {    //for some reason, you may want to ignore tinkerBuild, such as instant run debug build?    tinkerEnabled = true    //for normal build    //old apk file to build patch apk    tinkerOldApkPath = "${bakPath}/app-debug-1018-17-32-47.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-1018-17-32-47-R.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 {        oldApk = getOldApkPath()        ignoreWarning = true        useSign = true        tinkerEnable = buildWithTinker()        buildConfig {        applyMapping = getApplyMappingPath()        applyResourceMapping = getApplyResourceMappingPath()        tinkerId = getTinkerIdValue()        keepDexApply = false        isProtectedApp = false    }    dex {        dexMode = "jar"        pattern = ["classes*.dex",                   "assets/secondary-dex-?.jar"]        loader = [                //use sample, let BaseBuildInfo unchangeable with tinker                "tinker.sample.android.app.BaseBuildInfo"        ]    }    lib {        pattern = ["lib/*/*.so"]    }    res {        pattern = ["res/*", "assets/*", "resources.arsc", "AndroidManifest.xml"]        ignoreChange = ["assets/sample_meta.txt"]        largeModSize = 100    }    packageConfig {        configField("patchMessage", "tinker is sample to use")        configField("platform", "all")        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")    sevenZip {        zipArtifact = "com.tencent.mm:SevenZip:1.1.10"//        path = "/usr/local/bin/7za"    }}List flavors = new ArrayList<>();project.android.productFlavors.each {flavor ->    flavors.add(flavor.name)}boolean hasFlavors = flavors.size() > 0def date = new Date().format("MMdd-HH-mm-ss")android.applicationVariants.all { variant ->    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"                }            }        }    }}}

注意：

- defaultConfig中配置multiDexEnabled true- ignoreWarning = true而不是false- tinkerId赋一个值或者使用versionName

3.创建MyApplicationLinke，代码如下：

@SuppressWarnings("unused")@DefaultLifeCycle(application = "com.example.tinkerdemo.MyApplication",    flags = ShareConstants.TINKER_ENABLE_ALL,    loadVerifyFlag = false)public class MyApplicationLinker extends DefaultApplicationLike {    public MyApplicationLinker(Application application, int tinkerFlags, boolean tinkerLoadVerifyFlag,                             long applicationStartElapsedTime, long applicationStartMillisTime, Intent tinkerResultIntent) {    super(application, tinkerFlags, tinkerLoadVerifyFlag, applicationStartElapsedTime, applicationStartMillisTime, tinkerResultIntent);    }    @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)    @Override    public void onBaseContextAttached(Context base) {    super.onBaseContextAttached(base);    //you must install multiDex whatever tinker is installed!    MultiDex.install(base);    //installTinker after load multiDex    //or you can put com.tencent.tinker.** to main dex    TinkerInstaller.install(this);    //        Tinker tinker = Tinker.with(getApplication());    }}

在类的注解中有application = “com.example.tinkerdemo.MyApplication”，意思是帮你生成Application,注意包名。生成的MyApplication的位置如图：

4.修复部分的代码：

public class MainActivity extends AppCompatActivity {private TextView mTextView;@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    mTextView = (TextView) findViewById(R.id.text);    mTextView.setText("这是有问题的APK");    //点击TextView,开始修复    mTextView.setOnClickListener(new View.OnClickListener() {        @Override        public void onClick(View view) {            //指定补丁包位置，加载补丁包信息；test为补丁包名称，可以定制            TinkerInstaller.onReceiveUpgradePatch(getApplicationContext(),                    Environment.getExternalStorageDirectory().getAbsolutePath() + "/test");        }    });}}

5.运行打包后，生成如图所示的文件：

6.修改代码，修改app中build.gradle中老版本的信息，即将上图中bakApk中的apk的名称app-debug-0510-15-43-08复制给build.gradle中的tinkerOldApkPath = “${bakPath}/app-debug-0510-15-43-08.apk”

7.使用命令生成新的apk和差异包

在app的目录下，运行gradle tinkerPatchdebug命令。
在app/build/output/tinkerPath/目录下生成差异包，如图所示：

移动端通过后台下载差异包，然后在后台服务中修复。

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