diff --git a/README.en.md b/README.en.md index 81467cb..9285520 100644 --- a/README.en.md +++ b/README.en.md @@ -1238,13 +1238,13 @@ By kernel log, we can do some things, such as a measure of the kernel boot time, ### Model -command: +Command: ```sh adb shell getprop ro.product.model ``` -Example output: +Sample output: ```sh Nexus 5 @@ -1252,13 +1252,13 @@ Nexus 5 ### Battery Status -command: +Command: ```sh adb shell dumpsys battery ``` -Input Example: +Sample output: ```sh Current Battery Service state: @@ -1275,67 +1275,67 @@ Current Battery Service state: technology: Li-poly ``` -`Scale` which represents the maximum power,` level` represents the current power. The above output represents 44% of remaining power. +`Scale` means the maximum value of `level`, and `level` means the current battery level. The output above means there is 44% of battery left of the device. ### Screen Resolution -command: +Command: ```sh adb shell wm size ``` -Example output: +Sample output: ```sh Physical size: 1080x1920 ``` -The device's screen resolution is 1080px * 1920px. +The above output means the device's screen resolution is 1080px * 1920px. -If resolution has been changed by command, output may be: +If resolution has been changed by command, the output would be like this: ```sh Physical size: 1080x1920 Override size: 480x1024 ``` -It says that screen's original resolution is 1080px * 1920px, currently is 480px * 1024px. +It means the original resolution of the screen is 1080px * 1920px, and currently it is 480px * 1024px. ### Screen density -command: +Command: ```sh adb shell wm density ``` -Example output: +Sample output: ```sh Physical density: 420 ``` -The device screen density of 420dpi. +The output shows the density of the device is 420dpi. -If screen density has been changed by command, output may be: +If screen density has been changed by command, the output would be like this: ```sh Physical density: 480 Override density: 160 ``` -It says that originla screen density is 480dpi, currently is 160dpi. +It means the original density of the screen is 480dpi, and currently it is 160dpi. ### Display Parameters -command: +Command: ```sh adb shell dumpsys window displays ``` -Example output: +Sample output: ```sh WINDOW MANAGER DISPLAY CONTENTS (dumpsys window displays) @@ -1344,17 +1344,17 @@ WINDOW MANAGER DISPLAY CONTENTS (dumpsys window displays) deferred=false layoutNeeded=false ``` -Where `mDisplayId` to display numbers,` init` initial resolution and screen density, `app` height than` init` in the smaller, bottom of the screen indicates the virtual keys and a height of 1920 - 1794 = 126px co 42dp . +The `mDisplayId` stands for the number of the display screen, `init` shows the initial resolution and density of the screen, the height in `app` is smaller than that in `init`, which means the device has a virtual navigation bar with a height: `1920 - 1794 = 126px (42dp)`. ### android\_id -command: +Command: ```sh adb shell settings get secure android_id ``` -Example output: +Sample output: ```sh 51b6be48bac8c569 @@ -1362,13 +1362,13 @@ Example output: ### IMEI -In Android 4.4 and below versions are available through the following command IMEI: +For Android 4.4 and the belows, the IMEI viewing command is like this: ```sh adb shell dumpsys iphonesubinfo ``` -Example output: +Sample output: ```sh Phone Subscriber Info: @@ -1376,9 +1376,9 @@ Phone Subscriber Info: Device ID = 860955027785041 ``` -`Device ID` which is IMEI. +`Device ID` stands for IMEI. -In Android 5.0 and above in the command output is empty, was acquired by other means (requires root privileges): +For Android 5.0 and the aboves, the command used to view IMEI above is not working which always comes out nothing, the alternative is like this(requires root privileges): ```sh adb shell @@ -1386,7 +1386,7 @@ su service call iphonesubinfo 1 ``` -Example output: +Sample output: ```sh Result: Parcel( @@ -1395,19 +1395,19 @@ Result: Parcel( 0x00000020: 00340030 00000031 '0.4.1... ') ``` -The effective content is extracted from the inside of the IMEI, such as here is `860955027785041`. +After extracting the data the normal IMEI will show, such as the IMEI above is `860955027785041`. Reference: [adb shell dumpsys iphonesubinfo not working since Android 5.0 Lollipop](http://stackoverflow.com/questions/27002663/adb-shell-dumpsys-iphonesubinfo-not-working-since-android-5-0-lollipop) ### Android system version -command: +Command: ```sh adb shell getprop ro.build.version.release ``` -Example output: +Sample output: ```sh 5.0.2 @@ -1415,30 +1415,30 @@ Example output: ### IP address -Every time you want to know the IP address of the device had the "Setting" - "About phone" - "state information" - "IP address" annoying, right? You can easily see via adb. +Are you getting bored for pressing "Setting" - "About phone" - "state information" - "IP address" to get the IP address of the device? You can make it easily via adb command: -command: +Command: ```sh adb shell ifconfig | grep Mask ``` -Example output: +Sample output: ```sh inet addr:10.130.245.230 Mask:255.255.255.252 inet addr:127.0.0.1 Mask:255.0.0.0 ``` -So it is `10.130.245.230` device IP address. +The IP address of the device is `10.130.245.230`. -On some devices this command no output, if the device is attached to WiFi, you can use the following command to view the LAN IP: +The above command may result in an empty result on some devices if they are connected via WIFI, then you can use the following command to view the LAN IP: ```sh adb shell ifconfig wlan0 ``` -Example output: +Sample output: ```sh wlan0: ip 10.129.160.99 mask 255.255.240.0 flags [up broadcast running multicast] @@ -1457,13 +1457,13 @@ wlan0 Link encap:UNSPEC RX bytes:116266821 TX bytes:8311736 ``` -If the above command still can not get the desired information, then you can try the following command (part of the system version is available): +If the two commands above still don't get the desired information, then you can try the following command (available in some system): ```sh adb shell netcfg ``` -Example output: +Sample output: ```sh wlan0 UP 10.129.160.99/20 0x00001043 f8:a9:d0:17:42:4d @@ -1489,33 +1489,33 @@ rev_rmnet0 DOWN 0.0.0.0/0 0x00001002 fe:65:d rev_rmnet1 DOWN 0.0.0.0/0 0x00001002 da:d8:e8:4f:2e:fe ``` -You can see the network connection name, enabled, IP address and Mac address and other information. +It shows the network connection name, connection enable status, IP address, Mac address and etc. ### Mac Address -command: +Command: ```sh adb shell cat /sys/class/net/wlan0/address ``` -Example output: +Sample output: ```sh f8:a9:d0:17:42:4d ``` -This view is LAN Mac address, or other information connected to the mobile network can `adb shell netcfg` command" IP address "mentioned in the previous section to see through. +The output above is the Mac address of LAN, if you want other infomation of connection, the command `adb shell netcfg` mentioned in the section **IP address** would be helpful. ### CPU Information -command: +Command: ```sh adb shell cat /proc/cpuinfo ``` -Example output: +Sample output: ```sh Processor : ARMv7 Processor rev 0 (v7l) @@ -1543,17 +1543,17 @@ Revision : 000b Serial : 0000000000000000 ``` -This is the CPU information Nexus 5, we can see from the output hardware used is `Qualcomm MSM 8974`, processor number is 0-3, so it is a quad-core, the use of architecture is` ARMv7 Processor rev 0 ( v71) `. +This is the CPU information of Nexus 5, we can find from the output that the hardware is `Qualcomm MSM 8974`, and the processor number is from 0 to 3, which means the cpu is a quad-core, then from the `Processor` we can find the architecture of the cpu is` ARMv7 Processor rev 0 ( v71) `. ### Memory Information -command: +Command: ```sh adb shell cat /proc/meminfo ``` -Example output: +Sample output: ```sh MemTotal: 1027424 kB @@ -1595,7 +1595,7 @@ VmallocUsed: 61004 kB VmallocChunk: 209668 kB ``` -Wherein, `MemTotal` is the total memory device,` MemFree` is currently free memory. +`MemTotal` means the total memory of the device, and `MemFree` means the current free memory. ### More hardware and system properties @@ -1605,9 +1605,9 @@ More hardware devices and system properties can be obtained by the following com adb shell cat /system/build.prop ``` -This will output a lot of information, including the previously mentioned several sections of "model" and "version of Android," and so on. +This will output a lot of information, including "model" and "Android system version" and other infomation which are mentioned in previous several sections. -In output also includes some other useful information, they can also be `adb shell getprop ` command alone, part of the property include the following: +In output also includes some other useful information, which can also be obtained individually via the command `adb shell getprop `: | Attribute name | Meaning | |---------------------------------|-------------------------------| @@ -1618,11 +1618,22 @@ In output also includes some other useful information, they can also be `adb she | ro.product.brand | Brands | | ro.product.name | device name | | ro.product.board | Processor Model | -| ro.product.cpu.abilist | CPU support list abi | -| persist.sys.isUsbOtgEnabled | supports OTG | -| dalvik.vm.heapsize | each application's memory cap | +| ro.product.cpu.abilist | CPU supported abi list[Ref 1] | +| persist.sys.isUsbOtgEnabled | OTG supports | +| dalvik.vm.heapsize | limit on heap size for each app | | ro.sf.lcd_density | screen density | +*Ref 1*: +The property of abi list may be changed in some custom ROMs, if it can't be obtained via `ro.product.cpu.abilist`, you can try this command: +``` +adb shell cat /system/build.prop | grep ro.product.cpu.abi +``` + +Sample output: +``` +ro.product.cpu.abi=armeabi-v7a +ro.product.cpu.abi2=armeabi +``` ## Modify Settings **Notice:** Display may not normal after reset settings, you can use command `adb reboot` to reboot device, or reboot it maually.