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                Android設備連接PC后,我們可以通過adb命令完成絕大多數工作。下面借助getprop、dumpsys來了解一些系統相關信息。 ## 一、getprop 此命令的原理很簡單,就是從系統的各種配置文件中讀取信息。那么這些文件在你用adb shell進入設備內部后很容易找到,它們是: ~~~ init.rc default.prop /system/build.prop ~~~ 此時直接使用cat命令也是可以把這些信息顯示出來的。? 下面列出比較常用的信息? 1.獲得IP ~~~ $ adb shell getprop dhcp.wlan0.ipaddress 192.168.0.107 ~~~ 2.手機名稱 ~~~ $ adb shell getprop ro.product.device Ulike2 $ adb shell getprop ro.product.model U705T $ adb shell getprop ro.product.name oppo17_12035 ~~~ 3.serial number ~~~ $ adb shell getprop ro.serialno 0000012035ABCXXX ~~~ 4.屏幕密度 ~~~ $ adb shell getprop ro.sf.lcd_density 240 ~~~ 好了,只要使用adb shell getprop就可以把所有的信息都打印出來。而使用setprop命令就可以進行相對應的設置啦。 ## 二、dumpsys Android系統啟動時會有大批的服務隨之啟動,那么我們就可以用dumpsys命令來查看每個服務的運行情況。作為一名Android開發者,我們至少要了解這些Service的存在: ~~~ Currently running services: DMAgent NvRAMAgent SurfaceFlinger accessibility account activity alarm appwidget audio audioprofile backup battery batteryinfo bluetooth bluetooth_a2dp bluetooth_profile_manager bluetooth_socket clipboard connectivity content country_detector cpuinfo device_policy devicestoragemonitor diskstats drm.drmManager dropbox entropy gfxinfo hardware input_method iphonesubinfo isms location media.audio_flinger media.audio_policy media.camera media.mdp_service media.player meminfo memory.dumper mount mtk-agps mtk-epo-client netpolicy netstats network_management notification oppo.com.IRUtils package permission phone power samplingprofiler search sensorservice simphonebook statusbar telephony.registry telephony.registry2 textservices throttle uimode usagestats usb vibrator wallpaper wifi wifip2p window ~~~ 當我們需要知道設備的分辨率時,可以使用如下命令: ~~~ $ adb shell dumpsys window displays WINDOW MANAGER DISPLAY CONTENTS (dumpsys window displays) Display: mDisplayId=0 init=720x1280 320dpi cur=720x1280 app=720x1280 rng=720x670-1280x1230 layoutNeeded=false ~~~ or ~~~ $ adb shell dumpsys window ... Display: init=540x960 base=540x960 cur=540x960 app=540x888 raw=540x960 ~~~ Refer to :? [http://blog.csdn.net/wangjia55/article/details/7446772](http://blog.csdn.net/wangjia55/article/details/7446772)? [http://blog.csdn.net/kevinx_xu/article/details/11846289](http://blog.csdn.net/kevinx_xu/article/details/11846289)? [http://blog.csdn.net/z_guijin/article/details/8203028](http://blog.csdn.net/z_guijin/article/details/8203028)
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