修改APP：车来了
修改内容：首次启动引导页，中间的点素材修改、样式修改
修改前：未选中为白色，选中为蓝色，间距为5dip
修改后：未选中为红色，选中为黑色，间距为0
前后截图如下：
修改过程：
一、使用apktool反编译apk
apktool安装根据官网进行：https://ibotpeaches.github.io/Apktool/install/
具体操作：
0.首先确保使用java 1.8或以上
1.下载运行脚本并重命名为apktool.bat，下载地址（官网）：https://raw.githubusercontent.com/iBotPeaches/Apktool/master/scripts/windows/apktool.bat
2.下载最新的apktool并重命名为apktool.jar，下载地址：https://bitbucket.org/iBotPeaches/apktool/downloads/
3.放在一个文件夹，双击运行apktool.bat，会输出用法
4.反编译apk，命令格式：apktool d [ apk文件名 ]
Apktool v2.4.0 - a tool for reengineering Android apk fileswith smali v2.2.6 and baksmali v2.2.6 Copyright 2014 Ryszard WiÅ›niewski <brut.alll@gmail.com> Updated by Connor Tumbleson <connor.tumbleson@gmail.com> usage: apktool -advance,--advanced prints advance information. -version,--version prints the version then exits usage: apktool if|install-framework [options] <framework.apk> -p,--frame-path <dir> Stores framework files into <dir>. -t,--tag <tag> Tag frameworks using <tag>. usage: apktool d[ecode] [options] <file_apk> -f,--force Force delete destination directory. -o,--output <dir> The name of folder that gets written. Default is apk.ou t -p,--frame-path <dir> Uses framework files located in <dir>. -r,--no-res Do not decode resources. -s,--no-src Do not decode sources. -t,--frame-tag <tag> Uses framework files tagged by <tag>. usage: apktool b[uild] [options] <app_path> -f,--force-all Skip changes detection and build all files. -o,--output <dir> The name of apk that gets written. Default is dist/name .apk -p,--frame-path <dir> Uses framework files located in <dir>. For additional info, see: http://ibotpeaches.github.io/Apktool/ For smali/baksmali info, see: https://github.com/JesusFreke/smali C:UsersAdministrator>cd C:Usersapk所在文件夹 C:Usersapk所在文件夹>apktool d chelaile.apk I: Using Apktool 2.4.0 on chelaile.apk I: Loading resource table... I: Decoding AndroidManifest.xml with resources... S: WARNING: Could not write to (C:UsersAdministratorAppDataLocalapktoolframework), using C:UsersAdministratorAppDataLocalTemp instead... S: Please be aware this is a volatile directory and frameworks could go missing, please utilize --frame-path if the default storage directory is unavailable I: Loading resource table from file: C:UsersAdministratorAppDataLocalTemp1.apk I: Regular manifest package... I: Decoding file-resources... I: Decoding values */* XMLs... I: Baksmaling classes.dex... I: Baksmaling classes2.dex... I: Baksmaling classes3.dex... I: Baksmaling classes4.dex... I: Baksmaling assets/AdDex.3.1.0.dex... I: Copying assets and libs... I: Copying unknown files... I: Copying original files...
得到了文件夹chelaile，里面有如下文件：
二、寻找和修改
这里是纯粹的凭感觉在搞了
AndroidManifesr.xml 找到<category android:name="android.intent.category.LAUNCHER"/>
猜测启动页面应该是SplashActivity，将其作为本次修改的对象
=> SplashActivity.smali 找到sget p1, Ldev/xesam/chelaile/core/R$layout;->cll_act_splash:I
猜测对应布局文件为cll_act_splash
=> cll_act_splash.xml 发现用了自定义组件GuideView，而且默认设置为gone，在smali文件中有invoke-virtual {v0, v1}, Ldev/xesam/chelaile/app/module/func/GuideView;->setVisibility(I)V，进一步猜测是首次启动才会出现
=> GuideView.smali 找到sget p2, Ldev/xesam/chelaile/core/R$layout;->cll_act_guide:I，猜测对应布局文件为cll_act_guide.xml
=> cll_act_guide.xml里面三个ImageView，应该就是三个点，
根据android:src="@drawable/indicate_dot" 得到对应素材，直接做修改保存；
删除android:padding="5.0dip"（由于这里的修改引起了页面中其他元素在显示上也有变化）
三、重新打包
命令格式：apktool b [ 刚才得到的文件夹 ] -o [ 输出文件名 ]
C:Usersapk所在文件夹>apktool b chelaile -o newcll.apk
I: Using Apktool 2.4.0
I: Checking whether sources has changed...
I: Smaling smali folder into classes.dex...
I: Checking whether sources has changed...
I: Smaling smali_assets folder into assets.dex...
I: Checking whether sources has changed...
I: Smaling smali_classes2 folder into classes2.dex...
I: Checking whether sources has changed...
I: Smaling smali_classes3 folder into classes3.dex...
I: Checking whether sources has changed...
I: Smaling smali_classes4 folder into classes4.dex...
I: Checking whether resources has changed...
I: Building resources...
S: WARNING: Could not write to (C:UsersAdministratorAppDataLocalapktoolframework), using C:UsersAdministratorAppDataLocalTemp instead...
S: Please be aware this is a volatile directory and frameworks could go missing, please utilize --frame-path if the default storage directory is unavailable
W: warning: string 'cll_aboard_user_contribution_empty_desc' has no default translation.
W: warning: string 'rc_voice_dialog_cancel_send' has no default translation.
W: warning: string 'rc_voice_dialog_swipe' has no default translation.
W: warning: string 'rc_voice_dialog_time_short' has no default translation.
I: Copying libs... (/lib)
I: Building apk file...
I: Copying unknown files/dir...
I: Built apk...
出现了一些warning，但是问题不大，第一次使用，就不怎么纠结他了
到这里得到了一个apk，但是不能用，需要签名才能正常安装
四、重新签名
用Auto-sign重新签名，这里参考了一个博客，原文链接：https://blog.csdn.net/sxk874890728/article/details/80486223
下载解压Auto-sign，得到的auto-sign文件夹下有以下文件
将上一步得到的newcll.apk拷贝到解压好的auto-sign文件夹下，执行命令：
java -jar signapk.jar testkey.x509.pem testkey.pk8 newcll.apk cll_signed.apk
就得到了最终可安装使用的apk
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