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1、预装 app

一般就三种情况,预装不可卸载,预装可卸载恢复出厂恢复,预装可卸载恢复出厂不能恢复

可参考 内置apk

1.1、预装不可卸载

这种情况 app 最终位于 system/app 或 system/priv-app 即可,作为系统应用,不可卸载

Android.mk 中不配置输出路径则默认打包到 system/app

要想打包到 system/priv-app 则配置 LOCAL_PRIVILEGED_MODULE := true

1.2、预装可卸载恢复出厂恢复

这种情况就比较特殊了,不同的厂商会有自己的方法。

MTK 将 app 依旧作为系统 app,增加了一个包名清单可配置要卸载的系统应用,

这样就确保了能卸载,恢复出厂系统应用又能自动恢复。

RK 也是将 app 作为系统 app,通过放置到特殊文件夹确保可卸载,卸载时会将包名写入缓存文件,

恢复出厂系统会读取缓存文件判断是否需要安装对应 app。

SQRD 也有自己的方法,将 app 打包到 system/vital-app 或 system/preloadapp 即可

这两个目录区别如下

preloadapp 目录中的应用在开机的过程是异步安装的(有利于加快开机速度),存在开机后在 home 界面,

该目录下的应用一个个显示出来的现象。如果是开机急于使用的应用,

例如说在 Launcher 上配置了文件夹存放第三方应用,建议放在 vital-app 目录中,如果不要求开机即使用,建议存放在 preloadapp 目录。

vital-app 目录中的应用在开机的过程中是同步安装的,开机后不会出现上述 preloadapp 下应用一个个出现的现象,

但是会造成开机时间相应变长。一般需要开机进入待机就要安装好的应用(如输入法应用)才建议预置到该目录。

Android.mk 中增加配置

LOCAL_MODULE_PATH := $(TARGET_OUT)/preloadapp

LOCAL_MODULE_PATH := $(TARGET_OUT)/vital-app

1.3、预装可卸载恢复出厂不能恢复

这种情况一般都是将 app 打包到 data/app 目录即可

Android.mk 中增加配置

LOCAL_MODULE_PATH := $(TARGET_OUT_DATA_APPS)

10.0 存在 bug data/app 中放置了 apk,烧写后系统不能正常启动,会自动进入 recovery 界面,提示需要清除 usedata 数据

也就是 data/app 下的 apk。解决办法 androidQ(10.0) 预装集成apk到data分区

2、系统主题风格切换

apk 中有很多资源文件,包括应用图标和名称。国产手机在系统主题切换这块做的很顶,网上思路很多,这里用一种偷懒的办法单机版本。

aosp 本身 app 图标和名称是非常丑的,这就需要我们给它美化一番。

2.1、获取这些 app 包名

按个点击进入这些 app,依次执行 adb shell dumpsys window | findstr mCurrentFocus 获取包名

2.2、自己搜罗一套精美 icon

2.3、开始替换之旅

替换图标

将 icon 资源文件 copy 至 frameworks/base/core/res/res/drawable-xhdpi/

配置 icon 为 drawable 资源

frameworks/base/core/res/res/values/symbols.xml

+  <!-- //20210323 cczheng add for  Chromium icon S -->
+  <java-symbol type="drawable" name="ic_app_deskclock" />
+  <java-symbol type="drawable" name="ic_app_settings" />
+  <java-symbol type="drawable" name="ic_app_calendar" />
+  <java-symbol type="drawable" name="ic_app_email" />
+  <java-symbol type="drawable" name="ic_app_music" />
+  <java-symbol type="drawable" name="ic_app_camera" />
+  <java-symbol type="drawable" name="ic_app_fmradio" />
+  <java-symbol type="drawable" name="ic_app_calculator2" />
+  <java-symbol type="drawable" name="ic_app_download" />
+  <java-symbol type="drawable" name="ic_app_sounder" />
+  <java-symbol type="drawable" name="ic_app_gallery" />
+  <java-symbol type="drawable" name="ic_app_filemanager" />
+  <java-symbol type="drawable" name="ic_app_mms" />
+  <java-symbol type="drawable" name="ic_app_browser" />
+  <java-symbol type="drawable" name="ic_app_dialer" />
+  <java-symbol type="drawable" name="ic_app_contacts" />
+  <java-symbol type="drawable" name="ic_app_stk" />
+  <java-symbol type="drawable" name="ic_app_quicksearchbox" />
+  <java-symbol type="drawable" name="ic_app_map" />
+  <java-symbol type="drawable" name="ic_app_store" />
+  <java-symbol type="drawable" name="ic_app_vedio" />
+  <java-symbol type="drawable" name="ic_app_email" />
+  <!-- end -->
   <java-symbol type="drawable" name="default_wallpaper" />

根据包名替换对应 drawable 资源

frameworks/base/core/java/android/app/ApplicationPackageManager.java

@@ -114,6 +114,11 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
 
+import java.util.HashMap;
+import java.util.HashSet;
+import android.graphics.BitmapFactory;
+import com.android.internal.R;
+
 /** @hide */
 public class ApplicationPackageManager extends PackageManager {
     private static final String TAG = "ApplicationPackageManager";
@@ -123,6 +128,10 @@ public class ApplicationPackageManager extends PackageManager {
 
     // Default flags to use with PackageManager when no flags are given.
     private final static int sDefaultFlags = PackageManager.GET_SHARED_LIBRARY_FILES;
+    //20210323 cczheng add for  Chromium icon S
+    private static HashMap<String,Integer> appMaps = new HashMap<>();
+    private static String[] appName={"com.android.deskclock","com.android.settings",
+            "com.android.calendar","com.android.email",
+            "com.android.music","com.mediatek.camera",
+            "com.android.fmradio","com.android.calculator2",
+            "com.android.documentsui", "com.android.soundrecorder",
+            "com.android.gallery3d","com.mediatek.filemanager",
+            "com.android.browser","com.android.mms",
+            "com.android.dialer","com.android.contacts",
+            "com.android.stk","com.android.quicksearchbox","com.google.android.apps.maps",
+            "com.android.vending","com.google.android.videos","com.google.android.calendar",
+            "com.google.android.gm","com.google.android.music","com.google.android.apps.photos",
+            "com.google.android.googlequicksearchbox"};
+
+    private static int[] appImg={R.drawable.ic_app_deskclock,R.drawable.ic_app_settings,
+            R.drawable.ic_app_calendar,R.drawable.ic_app_email,
+            R.drawable.ic_app_music,R.drawable.ic_app_camera,
+            R.drawable.ic_app_fmradio,R.drawable.ic_app_calculator2,
+            R.drawable.ic_app_download, R.drawable.ic_app_sounder,
+            R.drawable.ic_app_gallery,R.drawable.ic_app_filemanager,
+            R.drawable.ic_app_browser, R.drawable.ic_app_mms,
+            R.drawable.ic_app_dialer, R.drawable.ic_app_contacts,
+            R.drawable.ic_app_stk,R.drawable.ic_app_quicksearchbox,R.drawable.ic_app_map,
+            R.drawable.ic_app_store,R.drawable.ic_app_vedio,R.drawable.ic_app_calendar,
+            R.drawable.ic_app_email,R.drawable.ic_app_music,R.drawable.ic_app_gallery,
+            R.drawable.ic_app_quicksearchbox};//E
 
     private final Object mLock = new Object();
 
@@ -1656,6 +1665,10 @@ public class ApplicationPackageManager extends PackageManager {
                               IPackageManager pm) {
         mContext = context;
         mPM = pm;
+        20210323 cczheng add for  Chromium icon S
+        for(int i=0;i<appName.length;i++){
+            appMaps.put(appName[i],new Integer(appImg[i]));
+        }//E
     }
 
     @Override
@@ -2832,6 +2848,10 @@ public class ApplicationPackageManager extends PackageManager {
         if (dr == null) {
             dr = itemInfo.loadDefaultIcon(this);
         }
+        //20210323 cczheng add for  Chromium icon S
+        if(appMaps.containsKey(itemInfo.packageName)){
+            dr =mContext.getResources().getDrawable(appMaps.get(itemInfo.packageName).intValue());
+        }//E
         return dr;
     }

frameworks/base/core/java/android/content/pm/LauncherActivityInfo.java


+import java.util.HashMap;
+import java.util.HashSet;
+import android.os.SystemProperties;
+import android.graphics.BitmapFactory;
+import com.android.internal.R;
+

@@ -40,6 +46,10 @@ public class LauncherActivityInfo {
     private ActivityInfo mActivityInfo;
     private ComponentName mComponentName;
     private UserHandle mUser;
+    //20210323 cczheng add for  Chromium icon S
+    private static HashMap<String,Integer> appMaps = new HashMap<>();
+    private static String[] appName={"com.android.deskclock","com.android.settings",
+            "com.android.calendar","com.android.email",
+            "com.android.music","com.mediatek.camera",
+            "com.android.fmradio","com.android.calculator2",
+            "com.android.documentsui", "com.android.soundrecorder",
+            "com.android.gallery3d","com.mediatek.filemanager",
+            "com.android.browser","com.android.mms",
+            "com.android.dialer","com.android.contacts",
+            "com.android.stk","com.android.quicksearchbox","com.google.android.apps.maps",
+            "com.android.vending","com.google.android.videos","com.google.android.calendar",
+            "com.google.android.gm","com.google.android.music","com.google.android.apps.photos",
+            "com.google.android.googlequicksearchbox"};
+
+    private static int[] appImg={R.drawable.ic_app_deskclock,R.drawable.ic_app_settings,
+            R.drawable.ic_app_calendar,R.drawable.ic_app_email,
+            R.drawable.ic_app_music,R.drawable.ic_app_camera,
+            R.drawable.ic_app_fmradio,R.drawable.ic_app_calculator2,
+            R.drawable.ic_app_download, R.drawable.ic_app_sounder,
+            R.drawable.ic_app_gallery,R.drawable.ic_app_filemanager,
+            R.drawable.ic_app_browser, R.drawable.ic_app_mms,
+            R.drawable.ic_app_dialer, R.drawable.ic_app_contacts,
+            R.drawable.ic_app_stk,R.drawable.ic_app_quicksearchbox,R.drawable.ic_app_map,
+            R.drawable.ic_app_store,R.drawable.ic_app_vedio,R.drawable.ic_app_calendar,
+            R.drawable.ic_app_email,R.drawable.ic_app_music,R.drawable.ic_app_gallery,
+            R.drawable.ic_app_quicksearchbox};//E
 

@@ -57,6 +67,10 @@ public class LauncherActivityInfo {
 
     LauncherActivityInfo(Context context) {
         mPm = context.getPackageManager();
+        20210323 cczheng add for  Chromium icon S
+        for(int i=0;i<appName.length;i++){
+           appMaps.put(appName[i],new Integer(appImg[i]));
+        }//E
     }
 

@@ -118,6 +132,13 @@ public class LauncherActivityInfo {
         if (icon == null) {
             icon = mActivityInfo.loadIcon(mPm);
         }
+        20210323 cczheng add for  Chromium icon S
+        if(appMaps.containsKey(mActivityInfo.packageName)){
+           try {
+                icon = mPm.getResourcesForApplication(mActivityInfo.applicationInfo).getDrawable(appMaps.get(mActivityInfo.packageName).intValue());
+           } catch (NameNotFoundException | Resources.NotFoundException exc) {
+               }
+        }//E
         return icon;
     }

去除图标默认增加的白边

Android 8~Android 11 去掉 Launcher3 默认给 icon 增加的白边

替换名称

launcher3 桌面名称

packages/apps/Launcher3/src/com/android/launcher3/BubbleTextView.java

@@ -291,7 +291,14 @@ public class BubbleTextView extends TextView implements ItemInfoUpdateReceiver,
         mDotParams.color = IconPalette.getMutedColor(info.iconColor, 0.54f);
 
         setIcon(iconDrawable);
-        setText(info.title);
+        //20210323 cczheng add for  Chromium name S
+        if ("Chromium".equals(info.title)) {
+            String appName = getContext().getResources().getString(com.android.internal.R.string.browserName);
+            setText(appName);
+            android.util.Log.d("Launcher3","appName="+appName);
+        }else {//E
+            setText(info.title);
+        }
         if (info.contentDescription != null) {
             setContentDescription(info.isDisabled()
                     ? getContext().getString(R.string.disabled_app_label, info.contentDescription)

Settings 应用详情名称

frameworks/base/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java

@@ -1590,6 +1590,10 @@ public class ApplicationsState {
                     this.mounted = true;
                     CharSequence label = info.loadLabel(context.getPackageManager());
                     this.label = label != null ? label.toString() : info.packageName;
+                    //20210323 cczheng add for  Chromium name S
+                    if ("org.chromium.chrome".equals(info.packageName)) {
+                        this.label =  context.getResources().getString(com.android.internal.R.string.browserName);
+                    }//E
                 }
             }
         }

3、开关机动画、铃声

开机动画资源 bootanimation.zip

关机机动画资源 shutdownanimation.zip

开机铃声资源 bootsound.mp3

注:名称不能改动,将上面三个资源预置到 system/media 目录下

关机动画不能正常播放 bug

frameworks/base/cmds/bootanimation/BootAnimation.cpp

@@ -1088,6 +1088,14 @@ bool BootAnimation::playAnimation(const Animation& animation)
             continue; //to next part
         }
 
+        
+#ifdef BOOTANIMATION_EXT
+        if (mShuttingDown && mfd == -1 && mWaitForComplete && (i==(pcount-1))) {
+            ALOGD("shutdown animation finished, quit");
+            property_set("service.bootanim.end", "1");
+        }
+#endif
+
         for (int r=0 ; !part.count || r<part.count ; r++) {
             // Exit any non playuntil complete parts immediately
             if(exitPending() && !part.playUntilComplete)
@@ -1172,12 +1180,12 @@ bool BootAnimation::playAnimation(const Animation& animation)
             if(exitPending() && !part.count && mCurrentInset >= mTargetInset)
                 break;
         }
-#ifdef BOOTANIMATION_EXT
-        if (mShuttingDown && mfd == -1 && mWaitForComplete) {
-            ALOGD("shutdown animation part1 finished, quit");
-            property_set("service.bootanim.end", "1");
-        }
-#endif

frameworks/base/services/core/java/com/android/server/power/ShutdownAnimation.java

@@ -38,6 +38,7 @@ public class ShutdownAnimation {
         try {
             mPlayAnim = true;
             Slog.i(TAG, "exec the bootanimation ");
+           SystemProperties.set("service.wait_for_bootanim", "1");
             SystemProperties.set("service.bootanim.exit", "0");
             SystemProperties.set("service.bootanim.end", "0");
             SystemProperties.set("service.bootanim.shutdown", "1");

4、双卡改单卡配置

请在 device/sprd/sharkl3/s9863a1h10/s9863a1h10_Natv.mk (项目对应的具体工程文件)最下面添加如下代码。

SIM_COUNT := 1
PRODUCT_PROPERTY_OVERRIDES :=
persist.vendor.radio.phone_count=1
persist.radio.multisim.config=ssss
$(PRODUCT_PROPERTY_OVERRIDES)

5、OTA 相关

通用打包指令,通用校验方法,通用升级方法

RecoverySystem.verifyPackage() 对 ota 升级包进行校验,报错 log 如下

libvintf: Could not open /proc/config.gz: 13
2021-03-26 11:27:14.981 2495-2758/com.wxtx.systemupdate W/libvintf: Cannot fetch or parse /proc/config.gz: Permission denied
2021-03-26 11:27:14.981 2495-2758/com.wxtx.systemupdate W/libvintf: Cannot fetch or parse kernel sepolicy version: Operation not permitted
2021-03-26 11:27:14.992 2495-2758/com.wxtx.systemupdate W/VintfObject: VintfObject.verify() returns 1: Runtime info and framework compatibility matrix are incompatible: kernelSepolicyVersion = 0 but required >= 30
2021-03-26 11:27:15.002 2495-2758/com.wxtx.systemupdate W/System.err: java.security.SignatureException: package compatibility verification failed
2021-03-26 11:27:15.003 2495-2758/com.wxtx.systemupdate W/System.err:     at android.os.RecoverySystem.verifyPackage(RecoverySystem.java:350)
2021-03-26 11:27:15.003 2495-2758/com.wxtx.systemupdate W/System.err:     at com.wxtx.systemdownload.helper.SystemUpgrade$2.onConfirmUpdate(SystemUpgrade.java:141)
2021-03-26 11:27:15.003 2495-2758/com.wxtx.systemupdate W/System.err:     at com.wxtx.systemdownload.helper.SystemUpgrade$2.run(SystemUpgrade.java:129)

解决办法如下

system/sepolicy/private/system_app.te
system/sepolicy/prebuilts/api/29.0/private/system_app.te

allow system_app config_gz:file { read open };
allow system_app selinuxfs:file { read open };

device/sprd/sharkle/common/sepolicy/uncrypt.te

allow uncrypt mmcblk_device:blk_file { open write };
allow uncrypt userdata_block_device:blk_file { open write };
allow uncrypt system_app_data_file:dir {read};
allow uncrypt system_app_data_file:file {read};
# For GOTA
allow uncrypt self:capability { fowner sys_admin };
allow uncrypt ota_package_file:file { write };
# For inner local ota update in /data/meida/0
allow uncrypt media_rw_data_file:file { open getattr read ioctl write };
allow uncrypt media_rw_data_file:dir { open getattr read search };
allow uncrypt metadata_file:dir { search };

https://blog.csdn/u010867436/article/details/107206349/

https://blog.csdn/m1126125223/article/details/101015976

6、解锁 OEM 方法

展讯设备解锁需要在 linux 环境下执行相关指令

sudo apt-get install android-tools-adb
sudo apt-get install android-tools-fastboot

1、虚拟机-可移动设备-选中手机从主机切换为虚拟机

2、adb devices 显示 no permissions
lsusb 获取设备 vid 和 pid

sudo vim /etc/udev/rules.d/51-android.rules 没有这个文件就自己新建一个

SUBSYSTEM==“usb”,ATTRS{idVendor}“vid”,ATTRS{idProduct}“pid”,MODE=“0666”

sudo chmod a+rx /etc/udev/rules.d/51-vboxadd.rules

3、重新插拔设备,齐活

环境搞定了,接下来整理需要的几个关键文件

将下面三个文件 copy 到新建文件夹中

signidentifier_unlockbootloader.sh
rsa4096_vbmeta.pem
fastboot

vendor\sprd\proprietories-source\packimage_scripts\signidentifier_unlockbootloader.sh
vendor\sprd\proprietories-source\packimage_scripts\signimage\sprd\config\rsa4096_vbmeta.pem

4、开始解锁

4.1、获取设备 Product SN 序列号
a、设备开机后连接ubuntu电脑,执行adb reboot bootloader,将设备启动到fastboot模式。
b、通过下面的命令获取SN序列号

$ sudo ./fastboot oem get_identifier_token
(bootloader) Identifier token:

(bootloader) 3631313536383435303133303839
3538383432353430353737363239
OKAY [ 0.018s]
Finished. Total time: 0.018s

4.2、生成解锁凭证certificate.bin
Linux 环境下使用完整 SN 序列号生成证书(certificate.bin)。

生成证书的命令
$./signidentifier_unlockbootloader.sh 3631313536383435303133303839 rsa4096_vbmeta.pem certificate.bin

4.3、使用证书 certificate.bin 解锁

a、设备开机后连接ubuntu电脑,执行adb reboot bootloader,将设备启动到fastboot模式。
b、ubuntu电脑上执行如下的解锁指令

$ sudo ./fastboot flashing unlock_bootloader certificate.bin
[sudo] password for liuyg:
Sending ‘unlock_message’ (0 KB) OKAY [ 0.000s]
unlocking bootloader OKAY [ 59.671s]
Finished. Total time: 59.671s

c、按设备音量-键确认

4.4、完成
重启设备后,引导加载程序会先检查设备状态是 LOCKED 还是 UNLOCKED。
如果设备状态是UNLOCKED,设备在开机第一帧 Logo 界面左上角会显示:
“INFO: LOCK FLAG IS : UNLOCK!!!”
“WARNING: LOCK FLAG IS : UNLOCK, SKIP VERIFY!!! ”

7、状态栏左上角显示运营商信息

frameworks\base\packages\SystemUI\res\values\config.xml

<!-- Whether to show operator name in the status bar -->
<bool name="config_showOperatorNameInStatusBar">true</bool>

以前都是自己加一个在状态栏右边的,现在发现源码中其实已经自带了,打开这个配置就行

CollapsedStatusBarFragment.java --> initOperatorName() OperatorNameView.java

8、状态栏右边增加 SIM 未插入图标

frameworks\base\packages\SystemUI\src\com\android\systemui\statusbar\phone\PhoneStatusBarPolicy.java

 import android.database.ContentObserver;
-
+import android.telephony.TelephonyManager;
 
bar at boot
@@ -263,6 +263,8 @@ public class PhoneStatusBarPolicy
         });
 
+        updateNoSim();
+
     }
 
     @Override
@@ -405,6 +407,19 @@ public class PhoneStatusBarPolicy
         mIconController.setIconVisibility(mSlotSpeakerphone, visible);
    }/
 
+    private final void updateNoSim() {
+        int iconId = R.drawable.ic_qs_no_sim;
+        String contentDescription =
+                mContext.getString(R.string.accessibility_quick_settings_bluetooth_on);
+        TelephonyManager telMgr = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
+        int simState = telMgr.getSimState();
+        if (simState == TelephonyManager.SIM_STATE_ABSENT) {
+            android.util.Log.d("PhoneStatusBarPolicy", "simState="+simState);
+            mIconController.setIcon("nosim", iconId, contentDescription);
+            mIconController.setIconVisibility("nosim", true);
+        }
+    }
 
     private final void updateBluetooth() {
         int iconId = R.drawable.stat_sys_data_bluetooth_connected;

9、Launcher3 去除 HotSeat 栏

packages\apps\Launcher3\src\com\android\launcher3\DeviceProfile.java

 hotseatBarSizePx = ResourceUtils.pxFromDp(inv.iconSize, dm) + (isVerticalBarLayout()
                ? (hotseatBarSidePaddingStartPx + hotseatBarSidePaddingEndPx)
                : (res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_extra_vertical_size)
                        + hotseatBarTopPaddingPx + hotseatBarBottomPaddingPx));
        android.util.Log.d("DeviceProfile","1   hotseatBarSizePx="+hotseatBarSizePx);
+        hotseatBarSizePx = 0;//set 0 hide hotseat  
        // Calculate all of the remaining variables.
        updateAvailableDimensions(dm, res);


		        // Hotseat
        if (isVerticalLayout) {
            hotseatBarSizePx = iconSizePx + hotseatBarSidePaddingStartPx
                    + hotseatBarSidePaddingEndPx;
            android.util.Log.d("DeviceProfile","3   hotseatBarSizePx="+hotseatBarSizePx);   
+              hotseatBarSizePx = 0;//set 0 hide hotseat           
        }
        hotseatCellHeightPx = iconSizePx;


	// We want the edges of the hotseat to line up with the edges of the workspace, but the
	// icons in the hotseat are a different size, and so don't line up perfectly. To account
	// for this, we pad the left and right of the hotseat with half of the difference of a
	// workspace cell vs a hotseat cell.
	float workspaceCellWidth = (float) widthPx / inv.numColumns;
+	float hotseatCellWidth = 0;//(float) widthPx / inv.numHotseatIcons;
	int hotseatAdjustment = Math.round((workspaceCellWidth - hotseatCellWidth) / 2);
	mHotseatPadding.set(
			hotseatAdjustment + workspacePadding.left + cellLayoutPaddingLeftRightPx,
			hotseatBarTopPaddingPx,
			hotseatAdjustment + workspacePadding.right + cellLayoutPaddingLeftRightPx,
			hotseatBarBottomPaddingPx + mInsets.bottom + cellLayoutBottomPaddingPx);		

10、移动数据流量开关增加密码对话框

frameworks/base/packages/SystemUI/res/values-zh-rCN/strings.xml                                       
frameworks/base/packages/SystemUI/res/values/strings.xml                                               
frameworks/base/packages/SystemUI/src/com/android/systemui/power/PowerNotificationWarnings.java        
frameworks/base/packages/SystemUI/src/com/android/systemui/power/PowerUI.java                         
frameworks/base/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java                  
packages/apps/Settings/src/com/android/settings/accounts/TopLevelAccountEntryPreferenceController.java 
packages/apps/Settings/src/com/android/settings/network/telephony/MobileDataPreferenceController.java 


+    <string name="title_data">"输入密码"</string>
+    <string name="title_data_ok">"开启"</string>
+    <string name="title_data_cancel">"取消"</string>
+    <string name="title_passerror">"错误! 再试一次"</string>

+    <string name="title_data">Input password</string>
+    <string name="title_data_ok">ON</string>
+    <string name="title_data_cancel">CANCEL</string>
+    <string name="title_passerror">Error! Try again</string>

frameworks/base/packages/SystemUI/src/com/android/systemui/power/PowerNotificationWarnings.java

@@ -443,6 +443,43 @@ public class PowerNotificationWarnings implements PowerUI.WarningsUI {
         mNoMan.notifyAsUser(
                 TAG_TEMPERATURE, SystemMessage.NOTE_THERMAL_SHUTDOWN, n, UserHandle.ALL);
     }
+    // add start 
+    @Override
+    public void showOpenMobileDataAlarm() {
+        mHandler.post(() -> showOpenMobileDataAlarmInternal());
+    }
+
+    private void showOpenMobileDataAlarmInternal() {
+        final android.widget.EditText editText = new android.widget.EditText(mContext);
+        editText.setInputType(0x00000012);
+        final SystemUIDialog d = new SystemUIDialog(mContext, R.style.Theme_SystemUI_Dialog_Alert);
+        d.setCancelable(true);
+        d.setTitle(R.string.title_data);
+        d.setView(editText);
+        d.setShowForAllUsers(true);
+        d.setPositiveButton((R.string.title_data_ok),
+                (dialogInterface, which) -> {
+                    String password = editText.getText().toString();
+                    String password2 = android.os.SystemProperties.get("persist.pdd.data.password", "123456");
+                    if (TextUtils.isEmpty(password) || !password2.equals(password)) {
+                         android.widget.Toast.makeText(mContext, R.string.title_passerror, 
+                                android.widget.Toast.LENGTH_LONG).show();
+                    }else{
+                        //adb shell settings get global mobile_data
+                        Settings.Global.putInt(mContext.getContentResolver(), 
+                            Settings.Global.MOBILE_DATA, 1);
+                    }
+                });
+        d.setNegativeButton((R.string.title_data_cancel),
+                (dialogInterface, which) -> {
+                });
+        d.setOnDismissListener(dialogInterface -> {
+            Settings.Global.putInt(mContext.getContentResolver(), "pdd_mobile_data", 0);
+        });
+        d.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
+        d.show();
+    }
+    // add end 
 
     @Override
     public void showUsbHighTemperatureAlarm() {

frameworks/base/packages/SystemUI/src/com/android/systemui/power/PowerUI.java

@@ -55,6 +55,10 @@ import java.util.Arrays;
 import java.util.concurrent.Future;
 import com.sprd.systemui.power.SprdPowerUI;
 
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.widget.EditText;
+
 public class PowerUI extends SystemUI {
 
     static final String TAG = "PowerUI";
@@ -153,6 +157,20 @@ public class PowerUI extends SystemUI {
                         doUsbThermalEventListenerRegistration();
                     }
                 });
+        // add
+        resolver.registerContentObserver(
+                Settings.Global.getUriFor("pdd_mobile_data"),
+                false /*notifyForDescendants*/,
+                new ContentObserver(mHandler) {
+                    @Override
+                    public void onChange(boolean selfChange) {
+                      int state = Settings.Global.getInt(mContext.getContentResolver(),
+                       "pdd_mobile_data", 0);
+                       if (state == 1) {
+                           mWarnings.showOpenMobileDataAlarm();
+                       }
+                    }
+                });//end
         initThermalEventListeners();
     }
 
@@ -220,6 +238,7 @@ public class PowerUI extends SystemUI {
             filter.addAction(Intent.ACTION_SCREEN_OFF);
             filter.addAction(Intent.ACTION_SCREEN_ON);
             filter.addAction(Intent.ACTION_USER_SWITCHED);
+            filter.addAction("cn.pdd.action.opendata");
             mContext.registerReceiver(this, filter, null, mHandler);
         }
 
@@ -313,6 +332,8 @@ public class PowerUI extends SystemUI {
                 mScreenOffTime = -1;
             } else if (Intent.ACTION_USER_SWITCHED.equals(action)) {
                 mWarnings.userSwitched();
+            }else if ("cn.pdd.action.opendata".equals(action)) {
+                //mWarnings.showOpenMobileDataAlarm();
             } else {
                 Slog.w(TAG, "unknown intent: " + intent);
             }
@@ -654,6 +675,9 @@ public class PowerUI extends SystemUI {
 
         void showHighTemperatureWarning();
 
+        //
+        void showOpenMobileDataAlarm();
+
         /**
          * Display USB port overheat alarm
          */



frameworks/base/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java

     protected void handleClick() {
        /* UNISOC: bug 916022 @{ */
        Log.d(TAG, "handleClick mHasEvent : " + mHasEvent);
+
+        // add start 
+       int state = Settings.Global.getInt(mContext.getContentResolver(),Settings.Global.MOBILE_DATA, 1);
+       if (state == 0) {
+           Settings.Global.putInt(mContext.getContentResolver(), "pdd_mobile_data", 1);
+           return;
+       }//end
+
        if (mHasEvent) {
            return;
        }

packages/apps/Settings/src/com/android/settings/network/telephony/MobileDataPreferenceController.java

 import com.android.settingslib.core.lifecycle.events.OnStop;
 
 import java.util.List;
+
+import android.provider.Settings;
+import android.provider.Settings.Global;
 /**
  * Preference controller for "Mobile data"
  */
@@ -99,6 +102,7 @@ public class MobileDataPreferenceController extends TelephonyTogglePreferenceCon
 
     @Override
     public boolean handlePreferenceTreeClick(Preference preference) {
+        android.util.Log.d("MobileDataController","handlePreferenceTreeClick");
         if (TextUtils.equals(preference.getKey(), getPreferenceKey())) {
             if (mNeedDialog) {
                 showDialog(mDialogType);
@@ -111,8 +115,13 @@ public class MobileDataPreferenceController extends TelephonyTogglePreferenceCon
 
     @Override
     public boolean setChecked(boolean isChecked) {
+        // add start
+        if (isChecked) {
+            Settings.Global.putInt(mContext.getContentResolver(), "pdd_mobile_data", 1);
+            return false;
+        }//end
         mNeedDialog = isDialogNeeded();
-
+        android.util.Log.d("MobileDataController","setChecked="+isChecked+" mNeedDialog="+mNeedDialog);
         if (!mNeedDialog) {
             // Update data directly if we don't need dialog
             MobileNetworkUtils.setMobileDataEnabled(mContext, mSubId, isChecked, false);

11、返回键删除正在编辑的 EditText 内容

frameworks\base\core\java\android\app\Activity.java

import android.widget.EditText;

public boolean onKeyUp(int keyCode, KeyEvent event) {
        if (getApplicationInfo().targetSdkVersion
                >= Build.VERSION_CODES.ECLAIR) {
            if (keyCode == KeyEvent.KEYCODE_BACK && event.isTracking()
                    && !event.isCanceled()) {
               /* onBackPressed();
                return true;*/
				//cczheng add start 
                 if (isResumed()) {
	                View decorView = this.getWindow().getDecorView();
	                if (decorView != null) {
	                    View focus = decorView.findFocus();
	                    if (focus!=null && focus instanceof EditText) {
	                        EditText editText = (EditText)focus;
	                        CharSequence text = editText.getText();
	                        if (text!=null && text.length()>0) {
	                            int delKeyCode = KeyEvent.KEYCODE_DEL;
                				editText.onKeyDown(delKeyCode, new KeyEvent(KeyEvent.ACTION_DOWN, delKeyCode));
	                            return true;
	                        }
	                    }
	                }
	                onBackPressed(); //MTK modify END
	                return true;
	            } else {
	                return false;
	            }//cczheng add end
            }
        }
        return false;
    }

11、去除 Launcher 图标右上角未读消息小圆点提示

Settings.Secure.putInt(getContentResolver(), Settings.Secure.NOTIFICATION_BADGING, 0);

12、WIFI 已连接,但无法访问互联网

展讯自己把 CAPTIVE_PORTAL_MODE 默认值修改为0了,所以当你真正连接到没有物联网的wifi时,不会提示无法访问互联网。

注释这个 CAPTIVE_PORTAL_MODE 默认赋值就行

adb shell settings get global captive_portal_mode

  • 0:彻底禁用检测
  • 1:检测到需要登录则弹窗提醒
  • 2:检测到需要登录则自动断开此热点并不再自动连接

frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java

  //loadIntegerSetting(stmt, Settings.Global.CAPTIVE_PORTAL_MODE,
             //       R.integer.captive_portal_mode);

这个放开后,wifi 连接后会有校验,真正能上网的wifi也会提示无法访问互联网

将下面校验网址改成国内可以访问到的即可

packages/modules/NetworkStack/res/values/config.xml

    <!-- HTTP URL for network validation, to use for detecting captive portals. -->
    <string name="default_captive_portal_http_url" translatable="false">http://www.googleapis.cn/generate_204</string>

    <!-- HTTPS URL for network validation, to use for confirming internet connectivity. -->
    <string name="default_captive_portal_https_url" translatable="false">http://www.googleapis.cn/generate_204</string>

去除展讯自己加的wifi连接成功后网络主界面多增当前连接Preference

packages/apps/Settings/src/com/android/settings/network/MultiNetworkHeaderController.java

 @Override
    public int getAvailabilityStatus() {
 return CONDITIONALLY_UNAVAILABLE;
 }

https://blog.csdn/weixin_44008788/article/details/115797278

13、WLAN 直连默认名称、WLAN 热点名称、蓝牙默认名称

frameworks\opt\net\wifi\service\java\com\android\server\wifi\p2p\WifiP2pServiceImpl.java

  private String getPersistedDeviceName() {
            String deviceName = mFrameworkFacade.getStringSetting(mContext,
                    Settings.Global.WIFI_P2P_DEVICE_NAME);
            if (deviceName == null) {
                // We use the 4 digits of the ANDROID_ID to have a friendly
                // default that has low likelihood of collision with a peer
                String id = mFrameworkFacade.getSecureStringSetting(mContext,
                        Settings.Secure.ANDROID_ID);
                String ssid = WifiFeaturesUtils.FeatureProperty.SUPPORT_SPRD_P2P_CUSTOMIZED_NAME;
                /*if (ssid != null && ssid.isEmpty()) {
                    return "Android_" + id.substring(0, 4);
                } else {
                    return ssid;
                }*/
                //cczheng change default wifip2p name
                return android.os.SystemProperties.get("ro.product.model");
            }
            return deviceName;
        }

frameworks\opt\net\wifi\service\java\com\android\server\wifi\WifiApConfigStore.java

    private WifiConfiguration getDefaultApConfiguration() {
        WifiConfiguration config = new WifiConfiguration();
        config.apBand = WifiConfiguration.AP_BAND_2GHZ;
        String ssid = WifiFeaturesUtils.FeatureProperty.SUPPORT_SPRD_SOFTAP_CUSTOMIZED_NAME;
        if (ssid != null && ssid.isEmpty()) {
            config.SSID = mContext.getResources().getString(
                R.string.wifi_tether_configure_ssid_default) + "_" + getRandomIntForDefaultSsid();
        } else {
            config.SSID = ssid;
        }
        //cczheng change default wifiAP name add
        config.SSID = android.os.SystemProperties.get("ro.product.model");
		//cczheng end
        config.allowedKeyManagement.set(KeyMgmt.WPA2_PSK);
        String randomUUID = UUID.randomUUID().toString();
        //first 12 chars from xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx
        config.preSharedKey = randomUUID.substring(0, 8) + randomUUID.substring(9, 13);
        return config;
    }

device/generic/common/bluetooth/bdroid_buildcfg.h

 #define _BDROID_BUILDCFG_H
 
-#define BTM_DEF_LOCAL_NAME   "Android Bluedroid"
+// #define BTM_DEF_LOCAL_NAME   "Android Bluedroid"
+#define BTM_DEF_LOCAL_NAME   "HTCOne"
 
 #endif

system/bt/internal_include/bt_target.h

  * product model name is used as the default local name.
 */
#ifndef BTM_DEF_LOCAL_NAME
-#define BTM_DEF_LOCAL_NAME ""
+#define BTM_DEF_LOCAL_NAME "HTCOne"
#endif

— a/alps/system/bt/btif/src/btif_dm
+++ b/alps/system/bt/btif/src/btif_dm
@@ -3361,7 +3361,14 @@ static char* btif_get_default_local_name() {
static char* btif_get_default_local_name() {
if (btif_default_local_name[0] == ‘\0’) {
int max_len = sizeof(btif_default_local_name) - 1;
if (BTM_DEF_LOCAL_NAME[0] != ‘\0’) {
strncpy(btif_default_local_name, BTM_DEF_LOCAL_NAME, max_len);
} else {
char prop_model[PROPERTY_VALUE_MAX];
osi_property_get(PROPERTY_PRODUCT_MODEL, prop_model, “”);

  •  strncpy(btif_default_local_name, prop_model, max_len);
    
  •  // strncpy(btif_default_local_name, prop_model, max_len);
    
  •  if (strncmp(prop_model, "IK-WST08", 5) == 0){
    
  •    strncpy(btif_default_local_name, prop_model, max_len);
    
  •  }else{
    
  •    char temp[] = "Android Bluedroid";
    
  •    strncpy(btif_default_local_name, temp, max_len);
    
  •  }//end
    

    }
    btif_default_local_name[max_len] = ‘\0’;
    }

14、系统默认打开深色主题背景功能

1、Provision 中修改默认值 DARK_MODE_DIALOG_SEEN
packages/apps/Provision/src/com/android/provision/DefaultActivity.java

Settings.Secure.putInt(getContentResolver(), Settings.Secure.DARK_MODE_DIALOG_SEEN, 1);

2、Settings 中开机启动后再次调用 setNightMode

vendor/sprd/platform/packages/apps/Settings/src/com/sprd/settings/timerpower/AlarmInitReceiver.java

 
+import android.app.UiModeManager;
+import android.provider.Settings;
+
 public class AlarmInitReceiver extends BroadcastReceiver {
 
     private Context mContext;
@@ -46,6 +49,12 @@ public class AlarmInitReceiver extends BroadcastReceiver {
         Log.v("AlarmInitReceiver ---- intent = " + intent);
         if(Intent.ACTION_BOOT_COMPLETED.equals(intent.getAction())) {
             isBoot = true;
+            String keyMode =  Settings.System.getString(context.getContentResolver(),"test.pdd.night");
+            if (!"1".equals(keyMode)) {
+                context.getSystemService(UiModeManager.class).setNightMode(UiModeManager.MODE_NIGHT_YES);
+                Log.v("AlarmInitReceiver ---- MODE_NIGHT_YES");
+                Settings.System.putString(context.getContentResolver(), "test.pdd.night", "1");
+            }
         }
         if (null == mHanderThread) {
             Log.v("onReceive mHanderThread is null.");

15、系统默认关闭超级省电模式

超级省电模式 功能由 ro.sys.pwctl.ultrasaving 控制,

1 启用超级省电模式,系统中包含相关菜单

0 关闭超级省电模式

./device/sprd/sharkl5Pro/common/features/base/config.mk:76: ro.sys.pwctl.ultrasaving=1
./device/sprd/sharkl5Pro/common/features/base/config.mk:79: ro.sys.pwctl.ultrasaving=0
./device/sprd/sharkl3/common/features/base/config.mk:63: ro.sys.pwctl.ultrasaving=1
./device/sprd/sharkl3/common/features/base/config.mk:66: ro.sys.pwctl.ultrasaving=0
./device/sprd/sharkle/common/features/base/config.mk:28: ro.sys.pwctl.ultrasaving=1
./device/sprd/sharkle/common/features/base/config.mk:31: ro.sys.pwctl.ultrasaving=0
./device/sprd/pike2/common/features/base/config.mk:27: ro.sys.pwctl.ultrasaving=1
./device/sprd/pike2/common/features/base/config.mk:30: ro.sys.pwctl.ultrasaving=0
./device/sprd/qogirn6pro/common/features/base/config.mk:76: ro.sys.pwctl.ultrasaving=1
./device/sprd/qogirn6pro/common/features/base/config.mk:79: ro.sys.pwctl.ultrasaving=0

16、Launcher3 空白长按弹出 popwindow 功能跳转定制

packages\apps\Launcher3\src\com\android\launcher3\views\OptionsPopupView.java

options.add(new OptionItem(R.string.contact_button_text, R.drawable.ic_setting,
                ControlType.SETTINGS_BUTTON, OptionsPopupView::startContact));
				

  public static boolean startContact(View view) {
        Launcher launcher = Launcher.getLauncher(view.getContext());
        launcher.startActivity(new Intent()
                .setComponent(new android.content.ComponentName("com.android.contacts",
                    "com.android.contacts.activities.PeopleActivity"))
                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
        return true;
    }

17、设备壁纸页面直接跳转

想要直接跳转到系统自带所有壁纸详细页面,WallpaperPicker2 中并没有暴露直接页面 IndividualPickerActivity

packages\apps\WallpaperPicker2\AndroidManifest.xml

  <activity android:name="com.android.wallpaper.picker.individual.IndividualPickerActivity"
        android:label="@string/app_name"
        android:theme="@style/WallpaperTheme"
        android:resizeableActivity="true"
        android:parentActivityName="com.android.wallpaper.picker.TopLevelPickerActivity">
        <intent-filter>
        <action android:name="android.intent.action.MAIN"/>
        <category android:name="android.intent.category.DEFAULT" />
      </intent-filter>
    </activity>

解决 IndividualPickerActivity 中加载数据 mCategory 为 null 问题,默认的数据加载 Application 中 load 一次后,其它各个

子页面直接使用即可,我们现在直接跳转子页面,很显然数据是拿不到的,所以就得自己规避这个问题。

通过传递参数 mode 来区分是直接跳转还是原有从主页点击进入,direct 模式下先主动 load 一遍数据,等数据

load 成功后再显示界面

startActivity(new Intent()
.setComponent(new android.content.ComponentName(“com.android.wallpaper”,
“com.android.wallpaper.picker.individual.IndividualPickerActivity”))
.putExtra(“com.android.wallpaper.category_collection_id”, “on_device_wallpapers”)
.putExtra(“mode”, “direct”)
.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));

packages\apps\WallpaperPicker2\src\com\android\wallpaper\picker\individual\IndividualPickerActivity.java


import android.os.Handler;
import android.os.Message;

import com.android.wallpaper.module.WallpapersInjector;
import com.android.wallpaper.model.CategoryReceiver;

 Bundle savedInstanceState;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.savedInstanceState = savedInstanceState;
        setContentView(R.layout.activity_single_fragment_with_toolbar);

        if ("direct".equals(getIntent().getStringExtra("mode"))) {
            android.util.Log.i(TAG,"setInjector WallpapersInjector");
            InjectorProvider.setInjector(new WallpapersInjector());
            InjectorProvider.getInjector().getCategoryProvider(this).fetchCategories(new CategoryReceiver() {
                @Override
                public void onCategoryReceived(Category category) {
                    android.util.Log.d(TAG,"onCategoryReceived "+ category.getCollectionId());
                    if ("on_device_wallpapers".equals(category.getCollectionId())) {
                        mHandler.sendEmptyMessage(100);
                    }
                }

                @Override
                public void doneFetchingCategories() {
                    
                }
            }, true);
        }else{
            doRealyView();
        }
    }

    private Handler mHandler = new Handler() {
        public void handleMessage(Message msg) {
            doRealyView();
        }
    };

    private void doRealyView(){
         // Set toolbar as the action bar.
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        mPreviewIntentFactory = new PreviewActivityIntentFactory();
        Injector injector = InjectorProvider.getInjector();
        mWallpaperPersister = injector.getWallpaperPersister(this);
        mLiveWallpaperStatusChecker = injector.getLiveWallpaperStatusChecker(this);

        FragmentManager fm = getSupportFragmentManager();
        Fragment fragment = fm.findFragmentById(R.id.fragment_container);

        mCategoryCollectionId = (savedInstanceState == null)
                ? getIntent().getStringExtra(EXTRA_CATEGORY_COLLECTION_ID)
                : savedInstanceState.getString(KEY_CATEGORY_COLLECTION_ID);
        android.util.Log.d(TAG,"mCategoryCollectionId="+mCategoryCollectionId);
        mCategory = injector.getCategoryProvider(this).getCategory(mCategoryCollectionId);
        if (mCategory == null) {
            android.util.Log.e(TAG,"getOnDeviceCategory=");
            // mCategory = getOnDeviceCategory(this);
        }

        if (mCategory == null) {
            DiskBasedLogger.e(TAG, "Failed to find the category: " + mCategoryCollectionId, this);
            // We either were called with an invalid collection Id, or we're restarting with no
            // saved state, or with a collection id that doesn't exist anymore.
            // In those cases, we cannot continue, so let's just go back.
            finish();
            return;
        }

        setTitle(mCategory.getTitle());
        getSupportActionBar().setTitle(mCategory.getTitle());
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        toolbar.getNavigationIcon().setTint(getColor(R.color.toolbar_icon_color));
        toolbar.getNavigationIcon().setAutoMirrored(true);

        boolean isInMultiWindowMode = isInMultiWindowMode();
        android.util.Log.e(TAG,"isInMultiWindowMode="+isInMultiWindowMode);
        getWindow().setStatusBarColor(0);//for bug StatusBar show half
        getWindow().getDecorView().setSystemUiVisibility(
                getWindow().getDecorView().getSystemUiVisibility()
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
        getWindow().getDecorView().setOnApplyWindowInsetsListener((view, windowInsets) -> {
            view.setPadding(
                    isInMultiWindowMode ? windowInsets.getSystemWindowInsetLeft() : view.getPaddingLeft(),
                    windowInsets.getSystemWindowInsetTop(),
                    isInMultiWindowMode ? windowInsets.getSystemWindowInsetRight() : view.getPaddingRight(),
                    view.getPaddingBottom());
            // Consume only the top inset (status bar), to let other content in the Activity consume
            // the nav bar (ie, by using "fitSystemWindows")
            if (BuildCompat.isAtLeastQ()) {
                WindowInsets.Builder builder = new WindowInsets.Builder(windowInsets);
                android.util.Log.i(TAG,"left="+windowInsets.getSystemWindowInsetLeft()
                    +" right="+windowInsets.getStableInsetRight()
                    +" bottom="+windowInsets.getSystemWindowInsetBottom());
                builder.setSystemWindowInsets(Insets.of(windowInsets.getSystemWindowInsetLeft(),
                        0, windowInsets.getStableInsetRight(),
                        windowInsets.getSystemWindowInsetBottom()));
                return builder.build();
            } else {
                return windowInsets.replaceSystemWindowInsets(
                        windowInsets.getSystemWindowInsetLeft(),
                        0, windowInsets.getStableInsetRight(),
                        windowInsets.getSystemWindowInsetBottom());
            }
        });

        if (fragment == null) {
            fragment = injector.getIndividualPickerFragment(mCategoryCollectionId);
            fm.beginTransaction()
                    .add(R.id.fragment_container, fragment)
                    .commit();
        }
    }

18、横屏紧急拨号界面不居中显示问题

packages/apps/PhoneCommon/res/layout-land/dialpad_key.xml
packages/apps/PhoneCommon/res/layout-land/dialpad_key_one.xml
packages/apps/PhoneCommon/res/layout-land/dialpad_key_pound.xml
packages/apps/PhoneCommon/res/layout-land/dialpad_key_star.xml
packages/apps/PhoneCommon/res/layout-land/dialpad_key_zero.xml

去除这个属性

 <LinearLayout style="@style/DialpadKeyInternalLayoutStyle"
	 android:orientation="horizontal" 
	android:baselineAligned="false">

19、系统蓝牙名称兼容修改

蓝牙名称真正获取值的地方位于 system/bt/btif/src/btif_dm btif_get_default_local_name()

原有逻辑先读取 BTM_DEF_LOCAL_NAME 是否不为空,为空则读取设备 ro.product.model 值

先将默认 Android Bluedroid 值清空
device/generic/common/bluetooth/bdroid_buildcfg.h

+#define BTM_DEF_LOCAL_NAME   ""
+// #define BTM_DEF_LOCAL_NAME   "Android Bluedroid"
 
 #endif

system/bt/internal_include/bt_target.h

 #ifndef BTM_DEF_LOCAL_NAME
+#define BTM_DEF_LOCAL_NAME   ""
+// #define BTM_DEF_LOCAL_NAME   "Android Bluedroid"
#endif

然后从prop中读取兼容名称配置

system/bt/btif/src/btif_dm
static char* btif_get_default_local_name() {
if (btif_default_local_name[0] == ‘\0’) {
int max_len = sizeof(btif_default_local_name) - 1;
if (BTM_DEF_LOCAL_NAME[0] != ‘\0’) {
strncpy(btif_default_local_name, BTM_DEF_LOCAL_NAME, max_len);
} else {
char prop_model[PROPERTY_VALUE_MAX];
osi_property_get(PROPERTY_PRODUCT_MODEL, prop_model, “”);

  •  // strncpy(btif_default_local_name, prop_model, max_len);
    
  •  // change this
    
  •  if (strncmp(prop_model, "AVSCK", 5) == 0){
    
  •    strncpy(btif_default_local_name, prop_model, max_len);
    
  •  }else{
    
  •    char temp[] = "HTC ONE";
    
  •    strncpy(btif_default_local_name, temp, max_len);
    
  •  }//end
    
    }
    btif_default_local_name[max_len] = ‘\0’;
    }
    return btif_default_local_name;
    }


# 20、设置锁屏后锁屏界面默认显示向上滑动已解锁

**frameworks/base/packages/SystemUI/res/layout/keyguard_bottom_area.xml**

```java
                 android:textAppearance="@style/TextAppearance.Keyguard.BottomArea"
                 android:accessibilityLiveRegion="polite" />
+            <!--  add unlock text always show -->
+            <TextView
+                android:id="@+id/unlock_text"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/keyguard_unlock"
+                android:gravity="center"
+                android:textAppearance="@style/TextAppearance.Keyguard.BottomArea"/>
 
             <LinearLayout

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

     public void onUnlockHintStarted() {
         mFalsingManager.onUnlockHintStarted();
-        mKeyguardIndicationController.showTransientIndication(R.string.keyguard_unlock);
+        // mKeyguardIndicationController.showTransientIndication(R.string.keyguard_unlock);//remove click don't auto swap change
     }

21、去除12新加调用相机时右上角小绿点

frameworks\base\packages\SystemUI\src\com\android\systemui\statusbar\events\PrivacyDotViewController.kt

    val contentDescription: String? = null
) {
    fun shouldShowDot(): Boolean {
-        return systemPrivacyEventIsActive && !shadeExpanded && !qsExpanded
+		//return systemPrivacyEventIsActive && !shadeExpanded && !qsExpanded
+		return false
    }

22、横屏 Activity 调用键盘静止全屏覆盖

Activity 设置 style

+    <style name="Theme.Settings.ImeNoFull" parent="Theme.Settings">
+        <item name="android:imeOptions">flagNoExtractUi|flagNoFullscreen</item>
+    </style>

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