一键接入Tinker

@TaskAction
    def updateManifest() {
        def ns = new Namespace("http://schemas.android.com/apk/res/android", "android")
        def xml = new XmlParser().parse(new InputStreamReader(new FileInputStream(manifestPath), "utf-8"))

        def application = xml.application[0]
        if (application) {
            def metaDataTags = application['meta-data']

            String rawApplicationName = application.attributes()[ns.name]
            metaDataTags.findAll {
                it.attributes()[ns.name].equals(TINKER_APPLICATION)
            }.each {
                it.parent().remove(it)
            }
            application.appendNode('meta-data', [(ns.name): TINKER_APPLICATION, (ns.value): rawApplicationName])
            application.attributes()[ns.name] = TINKER_APPLICATION_VALUE
            project.logger.error("tinkerpatch change application name from ${rawApplicationName} to ${TINKER_APPLICATION_VALUE}")

            def printer = new XmlNodePrinter(new PrintWriter(manifestPath, "utf-8"))
            printer.preserveWhitespace = true
            printer.print(xml)
        }
    }

<application android:name="com.w4lle.onekeytinker.BootstrapApplication">
    ...
    <meta-data android:name="ONEKEY_TINKER_APPLICATION" android:value="com.w4lle.onekeytinker.App"/>
  </application>

public static void mon
keyPatchApplication(@Nullable Context context,
                                              @Nullable Application bootstrap,
                                              @Nullable Application realApplication) {
        try {
            // Find the ActivityThread instance for the current thread
            Class<?> activityThread = Class.forName("android.app.ActivityThread");
            Object currentActivityThread = getActivityThread(context, activityThread);

            // Find the mInitialApplication field of the ActivityThread to the real application
            Field mInitialApplication = activityThread.getDeclaredField("mInitialApplication");
            mInitialApplication.setAccessible(true);
            Application initialApplication = (Application) mInitialApplication.get(currentActivityThread);
            if (realApplication != null && initialApplication == bootstrap) {
            //**2.替换掉ActivityThread.mInitialApplication**
                mInitialApplication.set(currentActivityThread, realApplication);
            }

            // Replace all instance of the stub application in ActivityThread#mAllApplications with the
            // real one
            if (realApplication != null) {
                Field mAllApplications = activityThread.getDeclaredField("mAllApplications");
                mAllApplications.setAccessible(true);
                List<Application> allApplications = (List<Application>) mAllApplications
                        .get(currentActivityThread);
                for (int i = 0; i < allApplications.size(); i++) {
                    if (allApplications.get(i) == bootstrap) {
                    //**1.替换掉ActivityThread.mAllApplications**
                        allApplications.set(i, realApplication);
                    }
                }
            }

            // Figure out how loaded APKs are stored.

            // API version 8 has PackageInfo, 10 has LoadedApk. 9, I don't know.
            Class<?> loadedApkClass;
            try {
                loadedApkClass = Class.forName("android.app.LoadedApk");
            } catch (ClassNotFoundException e) {
                loadedApkClass = Class.forName("android.app.ActivityThread$PackageInfo");
            }
            Field mApplication = loadedApkClass.getDeclaredField("mApplication");
            mApplication.setAccessible(true);

            // 10 doesn't have this field, 14 does. Fortunately, there are not many Honeycomb devices
            // floating around.
            Field mLoadedApk = null;
            try {
                mLoadedApk = Application.class.getDeclaredField("mLoadedApk");
            } catch (NoSuchFieldException e) {
                // According to testing, it's okay to ignore this.
            }

            // Enumerate all LoadedApk (or PackageInfo) fields in ActivityThread#mPackages and
            // ActivityThread#mResourcePackages and do two things:
            //   - Replace the Application instance in its mApplication field with the real one
            //   - Set Application#mLoadedApk to the found LoadedApk instance
            for (String fieldName : new String[]{"mPackages", "mResourcePackages"}) {
                Field field = activityThread.getDeclaredField(fieldName);
                field.setAccessible(true);
                Object value = field.get(currentActivityThread);

                for (Map.Entry<String, WeakReference<?>> entry :
                        ((Map<String, WeakReference<?>>) value).entrySet()) {
                    Object loadedApk = entry.getValue().get();
                    if (loadedApk == null) {
                        continue;
                    }

                    if (mApplication.get(loadedApk) == bootstrap) {
                        if (realApplication != null) {
                        //**3.替换掉mApplication**
                            mApplication.set(loadedApk, realApplication);
                        }
                        
                        if (realApplication != null && mLoadedApk != null) {
                        //**4.替换掉mLoadedApk**
                            mLoadedApk.set(realApplication, loadedApk);
                        }
                    }
                }
            }
        } catch (Throwable e) {
            throw new IllegalStateException(e);
        }
    }

try {
  ...
} catch {
  e = true;
  realApplication.onCreate();
}

public void onConfiguration
Changed(Configuration paramConfiguration)
{
  if (e && realApplication != null) {
    realApplication.onConfiguration
Changed(paramConfiguration);
    return;
  }
  super.onConfiguration
Changed(paramConfiguration);
}

public void onLowMemory()
{
  if (e && realApplication != null) {
    realApplication.onLowMemory();
    return;
  }
  super.onLowMemory();
}

@TargetApi(14)
public void onTrimMemory(int paramInt)
{
  if (e && realApplication != null) {
    realApplication.onTrimMemory(paramInt);
    return;
  }
  super.onTrimMemory(paramInt);
}

public void onTerminate()
{
  if (e && realApplication != null) {
    realApplication.onTerminate();
    return;
  }
  super.onTerminate();
}