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手机交友网站源码,怎么样推广最有效最快速,做购物网站赚钱吗,网站流量盈利Android 12 使用 Material You 打造的全新系统界面，富有表现力、活力和个性。使用重新设计的微件、AppSearch、游戏模式和新的编解码器扩展您的应用。支持隐私信息中心和大致位置等新的保护功能。使用富媒体内容插入功能、更简便的模糊处理功能、经过改进的原生调试…

在这里插入图片描述
Android 12

    使用 Material You 打造的全新系统界面，富有表现力、活力和个性。使用重新设计的微件、AppSearch、游戏模式和新的编解码器扩展您的应用。支持隐私信息中心和大致位置等新的保护功能。使用富媒体内容插入功能、更简便的模糊处理功能、经过改进的原生调试功能等提高工作效率.

-----------------------------正文-------------------------------

平台: RK3588 + Android 12
本文用于记录一些基于RK3588 Android12 的客制化修改内容

Launcher & 导航栏

12带来的一个巨大的变化之一就是导航栏从SystemUI整合到了Launcher3QuickStep
在这里插入图片描述
众所周知, 曾经的SystemUI才是导航栏的拥有者, 把导航栏交给Launcher这意味着, 以后的Launcher, 不是你想动就能动的了.
要替换Launcher的就好好考虑清楚了.

从布局上看, 位于底部, 占满宽度:

packages/apps/Launcher3/quickstep/res/layout/taskbar.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2021 The Android Open Source ProjectLicensed under the Apache License, Version 2.0 (the "License");you may not use this file except in compliance with the License.You may obtain a copy of the License athttp://www.apache.org/licenses/LICENSE-2.0Unless required by applicable law or agreed to in writing, softwaredistributed under the License is distributed on an "AS IS" BASIS,WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.See the License for the specific language governing permissions andlimitations under the License.
-->
<com.android.launcher3.taskbar.TaskbarDragLayerxmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:id="@+id/taskbar_container"android:layout_width="wrap_content"android:layout_height="wrap_content"android:clipChildren="false"><com.android.launcher3.taskbar.TaskbarViewandroid:id="@+id/taskbar_view"android:layout_width="match_parent"android:layout_height="wrap_content"android:gravity="center"android:forceHasOverlappingRendering="false"android:layout_gravity="bottom"android:clipChildren="false" /><com.android.launcher3.taskbar.TaskbarScrimViewandroid:id="@+id/taskbar_scrim"android:layout_width="match_parent"android:layout_height="match_parent"/><FrameLayoutandroid:id="@+id/navbuttons_view"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_gravity="bottom"><FrameLayoutandroid:id="@+id/start_contextual_buttons"android:layout_width="wrap_content"android:layout_height="match_parent"android:paddingLeft="@dimen/taskbar_nav_buttons_spacing"android:paddingRight="@dimen/taskbar_nav_buttons_spacing"android:paddingTop="@dimen/taskbar_contextual_padding_top"android:gravity="center_vertical"android:layout_gravity="start"/><LinearLayoutandroid:id="@+id/end_nav_buttons"android:layout_width="wrap_content"android:layout_height="match_parent"android:orientation="horizontal"android:paddingLeft="@dimen/taskbar_nav_buttons_spacing"android:paddingRight="@dimen/taskbar_nav_buttons_spacing"android:layout_marginEnd="@dimen/taskbar_contextual_button_margin"android:gravity="center_vertical"android:layout_gravity="end"/><FrameLayoutandroid:id="@+id/end_contextual_buttons"android:layout_width="wrap_content"android:layout_height="match_parent"android:paddingLeft="@dimen/taskbar_nav_buttons_spacing"android:paddingRight="@dimen/taskbar_nav_buttons_spacing"android:paddingTop="@dimen/taskbar_contextual_padding_top"android:gravity="center_vertical"android:layout_gravity="end"/></FrameLayout><com.android.launcher3.taskbar.StashedHandleViewandroid:id="@+id/stashed_handle"tools:comment1="The actual size and shape will be set as a ViewOutlineProvider at runtime"android:layout_width="match_parent"android:layout_height="wrap_content"android:background="@color/taskbar_stashed_handle_dark_color"android:clipToOutline="true"android:layout_gravity="bottom"/></com.android.launcher3.taskbar.TaskbarDragLayer>

end_nav_buttons 里包含了3个功能键, 动态增加按键控件

packages/apps/Launcher3/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java

    private void initButtons(ViewGroup navContainer, ViewGroup endContainer,TaskbarNavButtonController navButtonController) {mBackButton = addButton(R.drawable.ic_sysbar_back, BUTTON_BACK,mNavButtonContainer, mControllers.navButtonController, R.id.back);mPropertyHolders.add(new StatePropertyHolder(mBackButton,flags -> {// Show only if not disabled, and if not on the keyguard or otherwise only when// the bouncer or a lockscreen app is showing above the keyguardboolean showingOnKeyguard = (flags & FLAG_KEYGUARD_VISIBLE) == 0 ||(flags & FLAG_ONLY_BACK_FOR_BOUNCER_VISIBLE) != 0 ||(flags & FLAG_KEYGUARD_OCCLUDED) != 0;return (flags & FLAG_DISABLE_BACK) == 0&& ((flags & FLAG_KEYGUARD_VISIBLE) == 0 || showingOnKeyguard);}));boolean isRtl = Utilities.isRtl(mContext.getResources());mPropertyHolders.add(new StatePropertyHolder(mBackButton, flags -> (flags & FLAG_IME_VISIBLE) != 0, View.ROTATION,isRtl ? 90 : -90, 0));// Translate back button to be at end/start of other buttons for keyguardint navButtonSize = mContext.getResources().getDimensionPixelSize(R.dimen.taskbar_nav_buttons_size);mPropertyHolders.add(new StatePropertyHolder(mBackButton, flags -> (flags & FLAG_ONLY_BACK_FOR_BOUNCER_VISIBLE) != 0|| (flags & FLAG_KEYGUARD_VISIBLE) != 0,VIEW_TRANSLATE_X, navButtonSize * (isRtl ? -2 : 2), 0));// home and recents buttonsView homeButton = addButton(R.drawable.ic_sysbar_home, BUTTON_HOME, navContainer,navButtonController, R.id.home);mPropertyHolders.add(new StatePropertyHolder(homeButton,flags -> (flags & FLAG_KEYGUARD_VISIBLE) == 0 &&(flags & FLAG_DISABLE_HOME) == 0));View recentsButton = addButton(R.drawable.ic_sysbar_recent, BUTTON_RECENTS,navContainer, navButtonController, R.id.recent_apps);mPropertyHolders.add(new StatePropertyHolder(recentsButton,flags -> (flags & FLAG_KEYGUARD_VISIBLE) == 0 &&(flags & FLAG_DISABLE_RECENTS) == 0));

按键的点击处理:

packages/apps/Launcher3/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java

    public void onButtonClick(@TaskbarButton int buttonType) {switch (buttonType) {case BUTTON_BACK:executeBack();break;case BUTTON_HOME:navigateHome();break;case BUTTON_RECENTS:navigateToOverview();break;case BUTTON_IME_SWITCH:showIMESwitcher();break;case BUTTON_A11Y:notifyA11yClick(false /* longClick */);break;}}private void navigateHome() {mService.getOverviewCommandHelper().addCommand(OverviewCommandHelper.TYPE_HOME);}private void navigateToOverview() {if (mScreenPinned) {return;}TestLogging.recordEvent(TestProtocol.SEQUENCE_MAIN, "onOverviewToggle");mService.getOverviewCommandHelper().addCommand(OverviewCommandHelper.TYPE_TOGGLE);}private void executeBack() {mSystemUiProxy.onBackPressed();}

packages/apps/Launcher3/quickstep/src/com/android/quickstep/OverviewCommandHelper.java

    /*** Adds a command to be executed next, after all pending tasks are completed*/@BinderThreadpublic void addCommand(int type) {CommandInfo cmd = new CommandInfo(type);MAIN_EXECUTOR.execute(() -> addCommand(cmd));}

在Launcher3QuickStep存在以下服务:

packages/apps/Launcher3/quickstep/AndroidManifest.xml

        <service android:name="com.android.quickstep.TouchInteractionService"android:permission="android.permission.STATUS_BAR_SERVICE"android:directBootAware="true"android:exported="true"><intent-filter><action android:name="android.intent.action.QUICKSTEP_SERVICE"/></intent-filter></service>

导航栏离不开SystemUI, 该服务由SystemUI绑定:

frameworks/base/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java

    private void internalConnectToCurrentUser() {disconnectFromLauncherService();// If user has not setup yet or already connected, do not try to connectif (!isEnabled()) {Log.v(TAG_OPS, "Cannot attempt connection, is enabled " + isEnabled());return;}mHandler.removeCallbacks(mConnectionRunnable);Intent launcherServiceIntent = new Intent(ACTION_QUICKSTEP).setPackage(mRecentsComponentName.getPackageName());try {mBound = mContext.bindServiceAsUser(launcherServiceIntent,mOverviewServiceConnection,Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,UserHandle.of(getCurrentUserId()));} catch (SecurityException e) {Log.e(TAG_OPS, "Unable to bind because of security error", e);}if (mBound) {// Ensure that connection has been established even if it thinks it is boundmHandler.postDelayed(mDeferredConnectionCallback, DEFERRED_CALLBACK_MILLIS);} else {// Retry after exponential backoff timeoutretryConnectionWithBackoff();}}

替换Launcher
前面提过, 要替换Launcher需要考虑的比以前更多的, 首先, Launcher3QuickStep不能删除, 在设置中依然可以选择默认的Launcher,(这和现在某些国内的手机厂商不一样).
Settings > Apps > Default Apps > Home app
在这里插入图片描述
Launcher3QuickStep 默认桌面图标
去掉所有的桌面图标

packages/apps/Launcher3/res/xml/default_workspace_6x5.xml

diff --git a/packages/apps/Launcher3/res/xml/default_workspace_6x5.xml b/packages/apps/Launcher3/res/xml/default_workspace_6x5.xml
index b078cfd7f8..4300258cc4 100644
--- a/packages/apps/Launcher3/res/xml/default_workspace_6x5.xml
+++ b/packages/apps/Launcher3/res/xml/default_workspace_6x5.xml
@@ -15,10 +15,10 @@--><favorites xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3">
-
+       <!--AnsonCode remove appicons--><!-- Hotseat (We use the screen as the position of the item in the hotseat) --><!-- Mail Calendar Gallery Store Internet Camera -->
-    <resolve
+    <!--resolvelauncher:container="-101"launcher:screen="0"launcher:x="0"
@@ -61,9 +61,9 @@<favoritelauncher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_BROWSER;end" /><favorite launcher:uri="http://www.example.com/" />
-    </resolve>
+    </resolve-->-    <!-- Resolve camera intent if GoogleCamera is not available e.g. on emulator -->
+    <!-- Resolve camera intent if GoogleCamera is not available e.g. on emulator ><resolvelauncher:container="-101"launcher:screen="5"
@@ -71,6 +71,6 @@launcher:y="0" ><favorite launcher:uri="#Intent;action=android.media.action.STILL_IMAGE_CAMERA;end" /><favorite launcher:uri="#Intent;action=android.intent.action.CAMERA_BUTTON;end" />
-    </resolve>
+    </resolve--></favorites>

Bootanimation

修改动画文件检测路径:

frameworks/base/cmds/bootanimation/BootAnimation.cpp


static const char OEM_BOOTANIMATION_FILE[] = "/cache/bootanimation.zip";
static const char PRODUCT_BOOTANIMATION_DARK_FILE[] = "/product/media/bootanimation-dark.zip";
static const char PRODUCT_BOOTANIMATION_FILE[] = "/data/bootanimation.zip";
static const char SYSTEM_BOOTANIMATION_FILE[] = "/system/media/bootanimation.zip";
static const char APEX_BOOTANIMATION_FILE[] = "/apex/com.android.bootanimation/etc/bootanimation.zip";
static const char PRODUCT_ENCRYPTED_BOOTANIMATION_FILE[] = "/product/media/bootanimation-encrypted.zip";
static const char SYSTEM_ENCRYPTED_BOOTANIMATION_FILE[] = "/system/media/bootanimation-encrypted.zip";
static const char OEM_SHUTDOWNANIMATION_FILE[] = "/odm/media/shutdownanimation.zip";
static const char PRODUCT_SHUTDOWNANIMATION_FILE[] = "/product/media/shutdownanimation.zip";
static const char SYSTEM_SHUTDOWNANIMATION_FILE[] = "/system/media/shutdownanimation.zip";

一个小插曲: /data/bootanimation.zip 开机时读取不到. 开完机后, 调试过程中通过命令启动动画, 又可以正常读取, 很是怪异.
启动命令:

setprop ctl.start bootanim

/data/local/bootanimation.ts开机视频读取正常, 于是尝试把检测开机.zip动画的函数放到视频检测里:

void BootAnimation::checkVideoFile() {// add for boot videomVideoAnimation = false;if (access(SYSTEM_BOOTVIDEO_FILE, R_OK) == 0) {mVideoFile = (char*)SYSTEM_BOOTVIDEO_FILE;}if (access(DATA_BOOTVIDEO_FILE, R_OK) == 0) {mVideoFile = (char*)DATA_BOOTVIDEO_FILE;}//增加一行用于检测开机 ZIP 动画.findBootAnimationFile();std::string bootVideoEnable = android::base::GetProperty("persist.sys.bootvideo.enable", "false");std::string showTime = android::base::GetProperty("persist.sys.bootvideo.showtime", "-1");ALOGD("checkVideoFile()-->bootvideo.enable=%s, showtime=%s", bootVideoEnable.c_str(), showTime.c_str());if (mVideoFile != NULL && !strcmp(bootVideoEnable.c_str(), "true") && (atoi(showTime.c_str()) != 0)) {mVideoAnimation = true;ALOGD("mVideoAnimation = true");} else {ALOGD("bootvideo:No boot video animation,EXIT_VIDEO_NAME:%s,bootvideo.showtime:%s\n",bootVideoEnable.c_str(), showTime.c_str());}// add end
}

PS: 未解

  • ZIP动画文件检测需要放在checkVideoFile 里
  • /cache/bootanimation.zip 死活读不到.

Activity/Service 保持高优先级运行

首先可以编写一个简单的Activity

new Thread(){public void run(){while(true){//print....sleep(1);}}
}

实际测试会发现, 当Activity切到后台后, sleep的实际时间被拉长了, 线程优先级降下来了.
可以尝试修改保证Activity的线程优先级:

frameworks/base/services/core/java/com/android/server/am/ProcessStateRecord.java

    void setCurrentSchedulingGroup(int curSchedGroup) {//增加代码,//比如修改为前台APP://curSchedGroup = ProcessList.SCHED_GROUP_TOP_APP;mCurSchedGroup = curSchedGroup;mApp.getWindowProcessController().setCurrentSchedulingGroup(curSchedGroup);}

Settings

  • 去除Usb调试开关

packages/apps/Settings/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

    public void onActivityCreated(Bundle icicle) {super.onActivityCreated(icicle);//......PreferenceCategory cat = (PreferenceCategory)getPreferenceScreen().findPreference("debug_debugging_category");cat.removePreference(cat.findPreference("enable_adb"));}

单独写出来是因为刚开始写成了:

    getPreferenceScreen().findPreference("enable_adb");

正确的方式, 是先找到对应的PreferenceCategory, 在调用findPreference

  • 增加屏幕信息显示

packages/apps/Settings/res/xml/my_device_info.xml

//....<PreferenceCategoryandroid:key="device_detail_category"android:selectable="false"android:title="@string/my_device_info_device_details_category_title"><Preferenceandroid:key="screen_info"android:order="19"android:title="屏幕信息"android:summary="分辨率1920x1080 DPI 240"/><!-- SIM status --><Preferenceandroid:key="sim_status"android:order="18"android:title="@string/sim_status_title"settings:keywords="@string/keywords_sim_status"android:summary="@string/summary_placeholder"settings:enableCopying="true"/>
//...

packages/apps/Settings/src/com/android/settings/deviceinfo/aboutphone/MyDeviceInfoFragment.java

    private void initHeader() {//.....//增加代码androidx.preference.PreferenceCategory cat = (androidx.preference.PreferenceCategory)getPreferenceScreen().findPreference("device_detail_category");android.hardware.display.DisplayManager displayMgr = (android.hardware.display.DisplayManager)getContext().getSystemService(Context.DISPLAY_SERVICE);android.view.Display[] displays = displayMgr.getDisplays();int x = 0;int y = 0;int dpi = 0;if(displays != null && displays.length > 0){android.graphics.Point rSize = new android.graphics.Point();displays[0].getRealSize(rSize);android.util.DisplayMetrics dmOut = new android.util.DisplayMetrics();displays[0].getMetrics(dmOut);x = rSize.x;y = rSize.y;dpi = dmOut.densityDpi;}cat.findPreference("screen_info").setSummary("分辨率 " + x + "x" + y + " DPI " + dpi);}

其他

系统存储分区

device/rockchip/common/scripts/fstab_tools/fstab.in

# Android fstab file.
#<src>                                          <mnt_point>         <type>    <mnt_flags and options>                       <fs_mgr_flags>
# The filesystem that contains the filesystem checker binary (typically /system) cannot
# specify MF_CHECK, and must come before any filesystems that do specify MF_CHECK
${_block_prefix}system  /system   ext4 ro,barrier=1 ${_flags_vbmeta},first_stage_mount${_flags_avbpubkey}
${_block_prefix}vendor  /vendor   ext4 ro,barrier=1 ${_flags},first_stage_mount
${_block_prefix}odm     /odm      ext4 ro,barrier=1 ${_flags},first_stage_mount/dev/block/by-name/boot     /boot       emmc defaults     ${_flags_chained}first_stage_mount
/dev/block/by-name/cache    /cache      ext4 noatime,nodiratime,nosuid,nodev,noauto_da_alloc,discard    wait,check
/dev/block/by-name/metadata /metadata   ext4 nodev,noatime,nosuid,discard,sync                          wait,formattable,first_stage_mount,check
/dev/block/by-name/misc     /misc       emmc defaults     defaults/devices/platform/*usb*   auto vfat defaults      voldmanaged=usb:auto# For sata
/devices/platform/*.sata* auto vfat defaults voldmanaged=sata:auto# For pcie ssd
/devices/platform/*.pcie* auto vfat defaults voldmanaged=pcie:auto/dev/block/zram0                                none                swap      defaults                                              zramsize=50%
# For sdmmc
/devices/platform/${_sdmmc_device}/mmc_host*        auto  auto    defaults        voldmanaged=sdcard1:auto
#  Full disk encryption has less effect on rk3326, so default to enable this.
/dev/block/by-name/userdata /data f2fs noatime,nosuid,nodev,discard,reserve_root=32768,resgid=1065 latemount,wait,check,fileencryption=aes-256-xts:aes-256-cts:v2+inlinecrypt_optimized,keydirectory=/metadata/vold/metadata_encryption,quota,formattable,reservedsize=128M,checkpoint=fs
# for ext4
#/dev/block/by-name/userdata    /data      ext4    discard,noatime,nosuid,nodev,noauto_da_alloc,data=ordered,user_xattr,barrier=1    latemount,wait,formattable,check,fileencryption=software,quota,reservedsize=128M,checkpoint=block

默认关闭USB调试
默认persist.sys.usb.config的属性值去掉adb
如果打开了ro.debuggable, 以下代码会重新加回去.

system/core/init/property_service.cpp

static void update_sys_usb_config() {bool is_debuggable = android::base::GetBoolProperty("ro.debuggable", false);std::string config = android::base::GetProperty("persist.sys.usb.config", "");// b/150130503, add (config == "none") condition here to prevent appending// ",adb" if "none" is explicitly defined in default prop.if (config.empty() || config == "none") {InitPropertySet("persist.sys.usb.config", is_debuggable ? "adb" : "none");} else if (is_debuggable && config.find("adb") == std::string::npos &&config.length() + 4 < PROP_VALUE_MAX) {config.append(",adb");InitPropertySet("persist.sys.usb.config", config);}
}

参考

  1. Android进程管理1—进程优先级adj
http://www.hkea.cn/news/285234/

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