|  |  |  | @ -51,7 +51,9 @@ ADB,即 [Android Debug Bridge](https://developer.android.com/studio/command-li | 
			
		
	
		
			
				
					|  |  |  |  | 	* [录制屏幕](#录制屏幕) | 
			
		
	
		
			
				
					|  |  |  |  | 	* [重新挂载 system 分区为可写](#重新挂载-system-分区为可写) | 
			
		
	
		
			
				
					|  |  |  |  | 	* [以 root 权限运行 adbd](#以-root-权限运行-adbd) | 
			
		
	
		
			
				
					|  |  |  |  | 	* [查看已连接过的 WiFi 密码](#查看已连接过的-wifi-密码) | 
			
		
	
		
			
				
					|  |  |  |  | 	* [查看连接过的 WiFi 密码](#查看连接过的-wifi-密码) | 
			
		
	
		
			
				
					|  |  |  |  | 	* [获取设备 Mac 地址](#获取设备-mac-地址) | 
			
		
	
		
			
				
					|  |  |  |  | 	* [设置系统日期和时间](#设置系统日期和时间) | 
			
		
	
		
			
				
					|  |  |  |  | 	* [重启手机](#重启手机) | 
			
		
	
		
			
				
					|  |  |  |  | * [其它常用 adb shell 命令](#其它常用-adb-shell-命令) | 
			
		
	
		
			
				
					|  |  |  |  | * [参考链接](#参考链接) | 
			
		
	
	
		
			
				
					|  |  |  | @ -597,27 +599,9 @@ WINDOW MANAGER DISPLAY CONTENTS (dumpsys window displays) | 
			
		
	
		
			
				
					|  |  |  |  |   Display: mDisplayId=0 | 
			
		
	
		
			
				
					|  |  |  |  |     init=1080x1920 420dpi cur=1080x1920 app=1080x1794 rng=1080x1017-1810x1731 | 
			
		
	
		
			
				
					|  |  |  |  |     deferred=false layoutNeeded=false | 
			
		
	
		
			
				
					|  |  |  |  |   mStacks[0]0 | 
			
		
	
		
			
				
					|  |  |  |  |     mStackId=0 | 
			
		
	
		
			
				
					|  |  |  |  |     mDeferDetach=false | 
			
		
	
		
			
				
					|  |  |  |  |     {taskId=60 appTokens=[AppWindowToken{973efda token=Token{4ec6585 ActivityRecord{209cafc u0 com.google.android.googlequicksearchbox/com.google.android.launcher.GEL t60}}}] mdr=false} | 
			
		
	
		
			
				
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					|  |  |  |  |   Application tokens in top down Z order: | 
			
		
	
		
			
				
					|  |  |  |  |   mStackId=0 | 
			
		
	
		
			
				
					|  |  |  |  |     mTaskId=60 | 
			
		
	
		
			
				
					|  |  |  |  |     Activity #0 AppWindowToken{973efda token=Token{4ec6585 ActivityRecord{209cafc u0 com.google.android.googlequicksearchbox/com.google.android.launcher.GEL t60}}}: | 
			
		
	
		
			
				
					|  |  |  |  |       windows=[Window{bd0ea61 u0 com.google.android.googlequicksearchbox/com.google.android.launcher.GEL}] | 
			
		
	
		
			
				
					|  |  |  |  |       windowType=2 hidden=false hasVisible=true | 
			
		
	
		
			
				
					|  |  |  |  |       app=true voiceInteraction=false | 
			
		
	
		
			
				
					|  |  |  |  |       allAppWindows=[Window{bd0ea61 u0 com.google.android.googlequicksearchbox/com.google.android.launcher.GEL}] | 
			
		
	
		
			
				
					|  |  |  |  |       task={taskId=60 appTokens=[AppWindowToken{973efda token=Token{4ec6585 ActivityRecord{209cafc u0 com.google.android.googlequicksearchbox/com.google.android.launcher.GEL t60}}}] mdr=false} | 
			
		
	
		
			
				
					|  |  |  |  |        appFullscreen=true requestedOrientation=5 | 
			
		
	
		
			
				
					|  |  |  |  |       hiddenRequested=false clientHidden=false willBeHidden=false reportedDrawn=true reportedVisible=true | 
			
		
	
		
			
				
					|  |  |  |  |       numInterestingWindows=1 numDrawnWindows=1 inPendingTransaction=false allDrawn=true (animator=true) | 
			
		
	
		
			
				
					|  |  |  |  |       startingData=null removed=false firstWindowDrawn=true mIsExiting=false | 
			
		
	
		
			
				
					|  |  |  |  | ``` | 
			
		
	
		
			
				
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					|  |  |  |  | // TODO | 
			
		
	
		
			
				
					|  |  |  |  | 其中 `mDisplayId` 为 显示屏编号,`init` 是初始分辨率和屏幕密度,`app` 的高度比 `init` 里的要小,表示屏幕底部有虚拟按键,高度为 1920 - 1794 = 126px 合 42dp。 | 
			
		
	
		
			
				
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					|  |  |  |  | ### android\_id | 
			
		
	
		
			
				
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					|  |  |  | @ -857,7 +841,7 @@ restarting adbd as root | 
			
		
	
		
			
				
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					|  |  |  |  | 有些手机 root 后也无法通过 `adb root` 命令让 adbd 以 root 权限执行,比如三星的部分机型,会提示 `adbd cannot run as root in production builds`,此时可以先安装 adbd Insecure,然后 `adb root` 试试。 | 
			
		
	
		
			
				
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					|  |  |  |  | ### 查看已连接过的 WiFi 密码 | 
			
		
	
		
			
				
					|  |  |  |  | ### 查看连接过的 WiFi 密码 | 
			
		
	
		
			
				
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					|  |  |  |  | **注:需要 root 权限。** | 
			
		
	
		
			
				
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					|  |  |  | @ -894,6 +878,34 @@ network={ | 
			
		
	
		
			
				
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					|  |  |  |  | `ssid` 即为我们在 WLAN 设置里看到的名称,`psk` 为密码,`key_mgmt` 为安全加密方式。 | 
			
		
	
		
			
				
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					|  |  |  |  | ### 获取设备 Mac 地址 | 
			
		
	
		
			
				
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					|  |  |  |  | 命令: | 
			
		
	
		
			
				
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					|  |  |  |  | ```sh | 
			
		
	
		
			
				
					|  |  |  |  | adb shell cat /sys/class/net/wlan0/address | 
			
		
	
		
			
				
					|  |  |  |  | ``` | 
			
		
	
		
			
				
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					|  |  |  |  | 输出示例: | 
			
		
	
		
			
				
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					|  |  |  |  | ```sh | 
			
		
	
		
			
				
					|  |  |  |  | f8:a9:d0:17:42:4d | 
			
		
	
		
			
				
					|  |  |  |  | ``` | 
			
		
	
		
			
				
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					|  |  |  |  | ### 设置系统日期和时间 | 
			
		
	
		
			
				
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					|  |  |  |  | **注:需要 root 权限。** | 
			
		
	
		
			
				
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					|  |  |  |  | 命令: | 
			
		
	
		
			
				
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					|  |  |  |  | ```sh | 
			
		
	
		
			
				
					|  |  |  |  | adb shell | 
			
		
	
		
			
				
					|  |  |  |  | su | 
			
		
	
		
			
				
					|  |  |  |  | date -s 20160823.131500 | 
			
		
	
		
			
				
					|  |  |  |  | ``` | 
			
		
	
		
			
				
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					|  |  |  |  | 表示将系统日期和时间更改为 2016 年 08 月 23 日 13 点 15 分 00 秒。 | 
			
		
	
		
			
				
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					|  |  |  |  | ### 重启手机 | 
			
		
	
		
			
				
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					|  |  |  |  | 命令: | 
			
		
	
	
		
			
				
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