阿xin*的学习班

    在Android7.1系统上面，关机充电动画已不再是5.1里的几张图片，如下：     在Android5.1的system/core/healthd/images目录下，有如下文件：     battery_0.png     battery_1.png     battery_2.png     battery_3.png     battery_4.png     battery_5.png     battery_charge.png     battery_fail.png     capacity_text_bottom.png     capacity_text_left.png     capacity_text_right.png     capacity_text_top.png     而在Android7.1的同一目录下，则只有如下文件：     battery_fail.png     battery_scale.png     其中，battery_scale.png为相应的动画文件，我们查找了一翻，发现在bootable/recovery目录下有interlace-frames.py文件，该文件用于将几张PNG图片合成一张PNG图片，我们使用如下命令将上面的battery_scale.png解包：     python interlace-frames.py -d battery_scale.png -o battery.png     会生成battery00.png、……、battery05.png共6个文件，而这6个文件刚好对应system/core/healthd/healthd_mode_charger.cpp文件里的default_animation_frames定义： static ...

    按照https://www.hachina.io/docs/355.html安装Home Assistant后，执行hass --open-ui命令，提示如下：        Home Assistant requires at least Python 3.5.3       查了资料，参考了https://community.home-assistant.io/t/python-3-5-3-on-synology/46372/2，执行如下命令重新安装指定版本的Home Assistant：     python3 -m pip install homeassistant==0.64.3

在Ubuntu里面安装virtualenv时出现如下提示： guochongxin@xinu:~/xinu/python$ sudo apt-get install python-virtualenv Reading package lists... Done Building dependency tree           Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies:   libc-dev-bin : Depends: libc6 (< 2.16) but 2.17-0ubuntu5 is to be installed   libc6 : Breaks: libc6:i386 (!= 2.17-0ubuntu5) but 2.15-0ubuntu10.4 is to be installed   libc6:i386 : Breaks: libc6 (!= 2.15-0ubuntu10.4) but 2.17-0ubuntu5 is to be installed   libc6-dev : Depends: libc6 (= 2.15-0ubuntu10.4) but 2.17-0ubuntu5 is to be installed   libc6-i386 : Depends: libc6 (= 2.15-0ubuntu10.4) but 2.17-0ubuntu5 is to be installed   libnih1 : PreDepends: libc6 (< 2.16) but 2.17-0ubuntu5 is to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution...