Android 7.1 部分功能 修改 汇总

1.修改蓝牙为从端

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device/qcom/msmxxx/system.prop
//设置成从模式
persist.service.bt.a2dp.sink=true
persist.service.bt.hfp.client=true
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device/qcom/msmxxx/overlay/packages/apps/Bluetooth/res/values/config.xml

<?xml version="1.0" encoding="utf-8"?>
 <resources>
     <bool name="profile_supported_a2dp_sink">true</bool>
     <bool name="profile_supported_avrcp_controller">true</bool>
     <bool name="profile_supported_hfpclient">true</bool>
     <bool name="profile_supported_pbapclient">true</bool>
 </resources>

2.修改默认的睡眠超时和屏幕关闭超时

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device/qcom/msmxxx/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml

    <integer name="def_screen_off_timeout">2147483647</integer>
    <integer name="def_sleep_timeout">2147483647</integer>

3.配置液晶屏密度

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device/qcom/common/rootdir/etc/init.qcom.early_boot.sh


function set_density_by_fb() {
    #put default density based on width
    if [ -z $fb_width ]; then
        setprop ro.sf.lcd_density 320
    else
        if [ $fb_width -ge 1920 ]; then
           setprop ro.sf.lcd_density 320 # 1920x1080
        elif [ $fb_width -ge 1080 ]; then
           setprop ro.sf.lcd_density 480
        elif [ $fb_width -ge 1024 ]; then
           setprop ro.sf.lcd_density 160 # 1024x600
        elif [ $fb_width -ge 720 ]; then
           setprop ro.sf.lcd_density 320 #for 720X1280 resolution
        elif [ $fb_width -ge 480 ]; then
            setprop ro.sf.lcd_density 240 #for 480X854  resolution
        else
            setprop ro.sf.lcd_density 160
        fi
    fi
}

4.删除导航栏并锁定屏幕方向横向

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device/qcom/msmxxx/overlay/frameworks/base/core/res/res/values/config.xml

   <bool name="config_cameraDoubleTapPowerGestureEnabled">false</bool>
   <bool name="config_supportAutoRotation">false</bool>

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frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

 //addNavigationBar();


frameworks/base/services/core/java/com/android/server/wm/WindowManagerService.java

boolean updateOrientationFromAppTokensLocked(boolean inTransaction) {
    .    .........    
        //int req = getOrientationLocked();
         int req = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
        .............
}

5.删除no_sim和new_sim对话框

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vendor/qcom/proprietary/qrdplus/Extension/apps/PhoneFeatures/res/values/configs.xml

 <bool name="feature_new_sim">false</bool>
<bool name="feature_no_sim">false</bool>

6.adb设备序列号为空

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kernel/msm-3.18/drivers/usb/gadget/android.c

// #if defined(CONFIG_DEBUG_ATOMIC_SLEEP)
//    id=0;
// #else
    id = usb_string_id(cdev);
// #endif