Android4.4.2配置修改记录

1、指定默认Launch

Android自带Launch一般都不是我们想要的，每个产品都会定制一个自己的Launch，而且是一开机就显示，不需要选择，修改如下：

frameworks/base/services/java/com/android/server/am/ActivityManagerService.java

添加一个方法：    private void setDefaultLauncher() {        // get default component           String packageName = "com.android.vehiclecs10";//默认launcher包名        String className = "com.android.csoLanucher.LanucherActivity";////默认launcher入口        Slog.i(TAG, "defautl packageName = " + packageName + ", default className = " + className);         IPackageManager pm = ActivityThread.getPackageManager();                        //清除当前默认launcher                 ArrayList intentList = new ArrayList();                  ArrayList cnList = new ArrayList();                  mContext.getPackageManager().getPreferredActivities(intentList, cnList, null);                  IntentFilter dhIF;                  for(int i = 0; i < cnList.size(); i++)                  {                         dhIF = intentList.get(i);                      if(dhIF.hasAction(Intent.ACTION_MAIN) &&                      dhIF.hasCategory(Intent.CATEGORY_HOME))                    {                        mContext.getPackageManager().clearPackagePreferredActivities(cnList.get(i).getPackageName());                    }               }                //获取所有launcher activity                 Intent intent = new Intent(Intent.ACTION_MAIN);                intent.addCategory(Intent.CATEGORY_HOME);                List list = new ArrayList();                try                {                    list = pm.queryIntentActivities(intent,                        intent.resolveTypeIfNeeded(mContext.getContentResolver()),                        PackageManager.MATCH_DEFAULT_ONLY,UserHandle.getCallingUserId());                }catch (RemoteException e) {                    throw new RuntimeException("Package manager has died", e);                }                // get all components and the best match                  IntentFilter filter = new IntentFilter();                filter.addAction(Intent.ACTION_MAIN);                filter.addCategory(Intent.CATEGORY_HOME);                filter.addCategory(Intent.CATEGORY_DEFAULT);                final int N = list.size();                Slog.d(TAG, "N:::::hyhyhyhy:::: = " + N);                ComponentName[] set = new ComponentName[N];                int bestMatch = 0;                for (int i = 0; i < N; i++)                {                    ResolveInfo r = list.get(i);                    set[i] = new ComponentName(r.activityInfo.packageName,                                    r.activityInfo.name);                    Slog.d(TAG, "r.activityInfo.packageName:::::hyhyhyhy:::: = " + r.activityInfo.packageName);                    Slog.d(TAG, "r.activityInfo.name:::::hyhyhyhy:::: = " + r.activityInfo.name);                    if (r.match > bestMatch) bestMatch = r.match;                }                //设置默认launcher                 ComponentName launcher = new ComponentName(packageName, className);                try                {                    pm.addPreferredActivity(filter, bestMatch, set, launcher,UserHandle.getCallingUserId());                } catch (RemoteException e) {                    throw new RuntimeException("Package manager has died", e);                }    }

然后在ActivityManagerService类中的

   boolean startHomeActivityLocked(int userId) {        if (mHeadless) {            // Added because none of the other calls to ensureBootCompleted seem to fire            // when running headless.            ensureBootCompleted();            return false;        }        if (mFactoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL                && mTopAction == null) {            // We are running in factory test mode, but unable to find            // the factory test app, so just sit around displaying the            // error message and don't try to start anything.            return false;        }        Intent intent = getHomeIntent();        /////////////////////////////////////////////////////////在此处添加上面我们定义的setDefaultLauncher        setDefaultLauncher();//By Lhongbo/////////////////////////////////////////////////////////        ActivityInfo aInfo =            resolveActivityInfo(intent, STOCK_PM_FLAGS, userId);        if (aInfo != null) {            intent.setComponent(new ComponentName(                    aInfo.applicationInfo.packageName, aInfo.name));            // Don't do this if the home app is currently being            // instrumented.            aInfo = new ActivityInfo(aInfo);            aInfo.applicationInfo = getAppInfoForUser(aInfo.applicationInfo, userId);            ProcessRecord app = getProcessRecordLocked(aInfo.processName,                    aInfo.applicationInfo.uid, true);            if (app == null || app.instrumentationClass == null) {                intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK);                mStackSupervisor.startHomeActivity(intent, aInfo);            }        }        return true;    }

删除自带Launch，重新编译system，开机就能直接进到我们自己的Launch了

2、修改SD卡和USB路径

Android自带的SD 和USB路径都指定在 device/fsl/sabresd_6dq/fstab.freescale ，默认SD卡的命名为extsd 和extsd1 ,USB命名为udisk 和udisk1
修改sd卡和usb名称如下：

device/fsl/sabresd_6dq/fstab.freescale

/devices/platform/sdhci-esdhc-imx.2/mmc_host/mmc1 /mnt/media_rw/extsd vfat defaults voldmanaged=extsd:auto/devices/platform/sdhci-esdhc-imx.0/mmc_host/mmc3 /mnt/media_rw/sdcard1 vfat defaults voldmanaged=sdcard1:auto/devices/platform/fsl-ehci.0/usb1/1-1/1-1:1.0 /mnt/media_rw/udisk vfat defaults voldmanaged=udisk:auto/devices/platform/fsl-ehci.1/usb2/2-1/2-1:1.0 /mnt/media_rw/udisk2 vfat defaults voldmanaged=udisk2:auto

device/fsl/imx6/etc/init.rc

    mkdir /mnt/media_rw/extsd 0755 system system    symlink /mnt/media_rw/extsd /storage/extsd    symlink /mnt/media_rw/extsd /mnt/extsd    mkdir /mnt/media_rw/sdcard1 0755 system system    symlink /mnt/media_rw/sdcard1 /storage/sdcard1    symlink /mnt/media_rw/sdcard1 /mnt/sdcard1    mkdir /mnt/media_rw/udisk 0755 system system    symlink /mnt/media_rw/udisk /storage/udisk    symlink /mnt/media_rw/udisk /mnt/udisk    mkdir /mnt/media_rw/udisk2 0755 system system    symlink /mnt/media_rw/udisk2 /storage/udisk2    symlink /mnt/media_rw/udisk2 /mnt/udisk2

3、修改默认语言

默认语言的选择实现是在build/core/Makefile里，从PRODUCT_LOCALES里选择第一个语言作为默认语言，如下：

# Whether there is default locale set in PRODUCT_PROPERTY_OVERRIDESproduct_property_override_locale_language := $(strip \    $(patsubst ro.product.locale.language=%,%,\    $(filter ro.product.locale.language=%,$(PRODUCT_PROPERTY_OVERRIDES))))product_property_overrides_locale_region := $(strip \    $(patsubst ro.product.locale.region=%,%,\    $(filter ro.product.locale.region=%,$(PRODUCT_PROPERTY_OVERRIDES))))# Selects the first locale in the list given as the argument,# and splits it into language and region, which each may be# empty.define default-locale$(subst _, , $(firstword $(1)))endef# Selects the first locale in the list given as the argument# and returns the language (or the region), if it's not set in PRODUCT_PROPERTY_OVERRIDES;# Return empty string if it's already set in PRODUCT_PROPERTY_OVERRIDES.define default-locale-language$(if $(product_property_override_locale_language),,$(word 1, $(call default-locale, $(1))))endefdefine default-locale-region$(if $(product_property_overrides_locale_region),,$(word 2, $(call default-locale, $(1))))endef

然后通过build/tool/buildinfo.sh文件将如下段写到文件build.prop，如下：

echo “ro.product.locale.language=$PRODUCT_DEFAULT_LANGUAGE”echo “ro.product.locale.region=$PRODUCT_DEFAULT_REGION”

因此，要改变默认语言用下面两种方法中的一种就行了：

1、修改\build\target\product\languages_full.mk文件，在PRODUCT_LOCALES字段里，将要选择的语言放在第一位，如：

PRODUCT_LOCALES := en_US zh_CN 默认语言是英语；
2、在persist.sys.language 和persist.sys.country 里指定语言，如下： PRODUCT_PROPERTY_OVERRIDES := \
persist.sys.language=zh \
persist.sys.country=CN build.prop文件的处理是在system/core/init/property_service.c。

4、修改版本号和机器型号

在编译好的out目录下修改 android_kk4.4.2/out/target/product/sabresd_6dq/system/build.prop ro.build.display.id=20150920 GLTK-V2.0 //设置--关于平板电脑--版本号
ro.product.model=iMX6DL-CS10 //设置--关于平板电脑--型号

5.设置-安全-验证应用默认不勾允 frameworks/base/packages/SettingsProvider/res/values/defaults.xml

false

6.设置-声音-触摸提示音与锁屏提示音默认不勾允状态 frameworks/base/packages/SettingsProvider/res/values/defaults.xml

0false

7. 休眠策略 frameworks/base/packages/SettingsProvider/res/values/defaults.xml

8. 默认勾选未知来源
frameworks/base/packages/SettingsProvider/res/values/defaults.xml

false

9. 第三方应用强制横屏 frameworks/base/services/java/com/android/server/wm/WindowManagerService.java

    boolean updateOrientationFromAppTokensLocked(boolean inTransaction) {        long ident = Binder.clearCallingIdentity();        try {             int req = getOrientationFromWindowsLocked();            if (req == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) {                req = getOrientationFromAppTokensLocked();            }                 // req = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE; //强制横屏0度              // req = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT; //强制竖屏左转90度              if (req != mForcedAppOrientation) {                mForcedAppOrientation = req;                //send a message to Policy indicating orientation change to take                //action like disabling/enabling sensors etc.,                mPolicy.setCurrentOrientationLw(req);                if (updateRotationUncheckedLocked(inTransaction)) {                    // changed                    return true;                 }                 }                 return false;        } finally {            Binder.restoreCallingIdentity(ident);        }         }

10. 默认浏览器设置 packages/apps/Browser/src/com/android/browser/BrowserSettings.java

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