| Sparky

全志B288修改日志

2018.3.2 【修改】隐藏NavigationBar，步骤: frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar,java文件line 431设置showNav = false;
2018/3/5 【修改】修改lcd_density默认配置为160,步骤：device/softwinner/lark-eink-perf/lark_eink_perf.mk,修改ro.sf.lcd_density=167 –> ro.sf.lcd_density=160 （删除out/target/product/lark-eink-perf1/system/build.prop之后再编译）
2018/3/5 【修改】预置apk，步骤：
1. 添加lib库。将apk里依赖的so库复制到device/softwinner/lark-common/prebuild/apklib/，修改device/softwinner/lark-common/prebuild/apklib/下的Android.mk文件，
```
include $(CLEAR_VARS)
LOCAL_MODULE_TAGS := optional
LOCAL_PREBUILT_LIBS := libBugly.so libluajit.so liblzma.so
include $(BUILD_MULTI_PREBUILT)
```
2. 添加apk。将apk包复制到device/softwinner/lark-common/prebuild/apk/,修改device/softwinner/lark-common/prebuild/Android.mk文件，
```
include $(CLEAR_VARS)
LOCAL_MODULE := MuPDF
LOCAL_MODULE_TAGS := optional
LOCAL_SRC_FILES := MuPDF.apk
LOCAL_MODULE_CLASS := APPS
LOCAL_MODULE_SUFFIX := $(COMMON_ANDROID_PACKAGE_SUFFIX)
LOCAL_CERTIFICATE := PRESIGNED
LOCAL_REQUIRED_MODULES := libmupdf_java
include $(BUILD_PREBUILT)
```
3. 添加到配置文件。进入lark-eink-perf1这个我们要编译的设备的目录，修改下边的lark-eink-perf1.mk，
```
PRODUCT_PACKAGES += MuPDF
```
  注意：apk需要是系统签名的apk

设置默认launcher，方法：参考android 开机默认进入指定Launcher@闲庭信步_wwd，1. 修改开机启动的默认launcher。在frameworks/base/services/java/com/android/server/am/ActivityManagerService.java文件下，修改startHomeActivityLocked()方法为如下,

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();
ActivityInfo aInfo =

resolveActivityInfo(intent, STOCK_PM_FLAGS, userId);
if (aInfo != null) {
//add wwd start
PackageManager pm = mContext.getPackageManager();
Intent newintent = new Intent(Intent.ACTION_MAIN);
newintent.addCategory(Intent.CATEGORY_HOME);

List<ResolveInfo> resolveInfoList = pm.queryIntentActivities(newintent, 0);
//判断带有Intent.CATEGORY_HOME标签的所有activity中如果有你指定的activity则替换
if(resolveInfoList != null){
    int size = resolveInfoList.size();
    for(int i = 0; i < size; i++){
        ResolveInfo rInfo = resolveInfoList.get(i);
        if(rInfo.activityInfo.name.equals("com.android.launcher3.Launcher")){
            aInfo = rInfo.activityInfo;
        }
    }
}
//add wwd stop
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);
    //这里启动你已替换过的activity
    mStackSupervisor.startHomeActivity(intent, aInfo);
}
}

return true;
}

2.修改按home键强制启动的launcher。在frameworks/base/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java文件中，修改init()为：

public void init(Context context, IWindowManager windowManager,
    WindowManagerFuncs windowManagerFuncs) {
    ......
    mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
mHomeIntent.addCategory(Intent.CATEGORY_HOME);
//add wwd start
ComponentName mHomecom = new ComponentName("com.android.launcher3", "com.android.launcher3.Launcher"); 
mHomeIntent.setComponent(mHomecom);
//add wwd stop
mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
        | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
    ......
}

2018/3/8 修改默认参数，

1. 默认屏幕亮度，在frameworks/base/packages/SettingProvider/res/values/default.xml
    <!-- Default screen brightness, from 0 to 255.  102 is 40%. -->
    <integer name="def_screen_brightness">102</integer>
2. 默认屏幕关闭时间
    在frameworks/base/packages/SettingProvider/res/values/default.xml，
    <integer name="def_screen_off_timeout">300000</integer>
3. 默认字体大小，小/普通/大/很大 分别对应 0.85/1/1.15/1.3
    在/b288/android/device/softwinner/lark-eink-perf1/lark_eink_perf1.mk
    PRODUCT_PROPERTY_OVERRIDES += \
    ro.font.scale=1.15 \

2018/3/12，预置文件到sdcard.在device.mk文件中添加

PRODUCT_COPY_FILES += \
    ${源文件位置}:${内置到的系统位置}

例如
PRODUCT_COPY_FILES += \
    device/softwinner/lark-eink-perf1/media/testbooks/xx.txt:system/media/testbook/xx.txt \

2018/5/14, 显示屏显示异常. 烧入程序之后,由于之前设备烧入过linux程序,系统中存在以下两个文件private/default.bin,private/default_4.bin,在系统启动时默认先使用private路径下的default.bin文件,导致设置vcom电压不对,所以这里删除default.bin和default_4.bin.在串口或者adb中使用命令
```
mount -o remount,rw /private
rm default.bin
rm default_4.bin, reboot
```
2018/5/15, 更改开机铃声大小, 修改有两种方式. 第一种是直接用软件修改声音文件的大小,这种可以让客户提供合适的声音文件放在/device/softwinner/lark-eink-perf1/media下,命名为boot.wav即可. 第二种方法通过代码修改,在frameworks/base/cmds/bootanimation/BootAnimation.cpp,在playBootMusic方法中,再mp -> prepare之前添加
```
set volume level
float volume = 0.9;
mp->setVolume(volume, volume);
```
2018/5/15, 关闭开机启动的log.
```
echo 0 > /prop/sys/kernel/printk
```
2018/5/15, 修改开机log,开机log是再kernel层修改的.文件是在/lichee/tools/pack/chips/sun8iw10p1/boot-resource/boot-resource下的bootlogo.bmp,直接同名覆盖即可.
2018/5/15, 修改开机动画.开机动画的存放位置是再/device/softwinner/lark-eink-perf1/media下的bootanimation.zip,和开机铃声再同一目录下.