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); } Else{Toast.maketext ( This, "Device Manager must be activated first!", Toast.length_short). Show (); } } Public voidcleardata (view view) {if(Mdpm.isadminactive (Mdeviceadminsample)) {//determine if Device Manager has been activatedMdpm.wipedata (0);//Clear data, restore factory settings}Else{Toast.maketext ( This, "Device Manager must be activated fi
When developing Android applications, we often need a unique device code to determine the client.
Several Methods in Android are often unreliable in use
1. DEVICE_IDIf we do need the identifier of a real device, DEVICE_ID may be used. Obtained Through TelephonyManager. getDeviceId (). It returns IMEI, MEID, or ESN code
://www.shuame.com/root/Re File Manager: http://shouji.baidu.com/software/22415959.htmlDownload two tools from the link above, one to get the root of the device (don't worry, it's not a brush, it's not a good idea to make the device brick.) And simple operation, one-click root), one is root after viewing, modify the device files.Step Two: RootAfter installing the
I upgraded Android Studio to 0.8.1 yesterday, so I cannot execute the App ~
The Run window displays:
Waiting for device.Target device: lge-nexus_4-0262fa6d9d51c2e8
Event Log window display:
NoSuchMethodError: com. android. builder. model. androidArtifact. getOutputs () Ljava/util/Collection;: com. android. buil
The command prompt adb shell can install Android apps under System on a device that has already been rooted.Here's how to push the app directly to the/system/app folderThe main steps are as follows:1. ADB devices2, ADB remount//re-installed in the system file, the device to read and writable3. ADB push .... apk/system/app/Because the ADB remount often appears rem
1. Set the environment variables of the android SDKSudo VI ~ /. Bashrc # Set path for Android SDK toolsexport Path = $ path: $ android_sdk_home/platform-toos
2. Exit execution:
Source ~ /. Bashrc3. create a udev rule file. Root permission is required. Sudo Su-
VI/etc/udev/rules. d/70-android.rules
Add the following line:
Subsystem = "USB", ATTR {idvendor} = "18d1", mode = "0666", group = "plugdev"
The ATTR
Configure the Android system language pack for Chinese Simplified. Click the Second menu icon on the left of the navigation bar
Select "System Settings".Select "Language Input"Select "Language"Select "Chinese (Simplified)"Setup is complete.Click on the third "home" icon on the bottom left to view the homepage.
Configurationandroid The date and time of the system. Click the Second menu icon on the left of the navigation bar
Select "System
I do not know that you notice no, in the simulator is installed after the installation can not run, now, because the project needs, also need to implement the same function, nonsense not much to say, directly on the code.Package Com.example.checkisemulator;import Android.os.build;import Android.os.bundle;import android.app.Activity; Import Android.content.context;import Android.telephony.telephonymanager;import Android.view.menu;public class Mainactivity extends Activity {@Overrideprotected void
Android: a reliable method for obtaining the mac address of a device
/*** Get the mac address of the device ** @ param ac * @ param callback * this method is called back after the mac address is obtained successfully */public static void getMacAddress (final Activity ac, final SimpleCallback callback) {final WifiManager wm = (WifiManager) ac. getSystemService (Se
we usually use mobile phone debugging, often is the hand, can download a jar package can be mapped to the computer Desktop screen, but run comparison card, and then give up, and then, the phone is sometimes not easy to connect data cable, PC and mobile phone (even WiFi) in the same network segment, Can be debugged by wireless!Use the Wireless mode method:
One: cmd Open command window: (set ADBD listening port)
adb tcpip 5555 set ports for ADBD services >
Second, CMD opens
The Android system seems to have become the preferred target for virus authors around the world, with new malware infecting more devices every day. This time, security company Trend Micro released a warning that they found a new Android backdoor--ghostctrlGhostctrl was found to have 3 versions, the first generation to steal information and control the functionality of some devices, the second generation ad
Android Real device debugging, something can not use USB debugging, or with USB debugging too troublesome, then need to use wireless debugging this way.Unlimited debugging sub-root and non-root two, the market's wireless ADB debugging app, basic needs root permissions, which makes no root device can not use wireless debugging, and then need to use non-root infini
Unity provides two ways to enable developer's Android device to connect to the profiler for performance analysis:1, through the wifi,android device and the computer in the same WLAN.2. Via USB ADBIn general, our computers are wired, so we use the ADB approach. Compared with the WIFI,ADB also more timely reaction equipm
Android simulator error, emulator: Error: Unknown Virtual Device NameCause: the default position of my documents has changed.
The error: Unknown Virtual Device name is generally caused by a file path reference error. For example, you can set a user file to drive F in Vista. In this way, when you use eclipse or create an andr
With regard to the use of unit tests, sometimes it is necessary to detect the feasibility and correctness of code logic in the process of writing code, and do not want to run through the device, so you can run the code through unit tests ~1, first build Android studio Android project;2, you can see there are 3 different categories of code foldersThe first one is
1. In the Project Tools window, right-click the Res directory and select the New--android Resource Directory menu item.2. Select layout from the Resource type resource type list to keep the main option of the source set intact.3. Select orientation in the list of selected resource features and click the button to move to the selected Resource feature area on the right.4. Confirm the landscape option for the selected screen orientation drop-down list a
You cannot Create new Android Virtual Device...
Because the system has been reinstalled before, the ADT and java have not been changed, and I don't know where the environment (configuration in disk C) is wrong...
LOG is below. Can I check it out?Eclipse. buildId = v22 .. -java. version =. bootLoader Framework Command-line Thu Mar: CST java. lang. at com. android.
Reference: Android official website > Development > API Guide > Introduction > Device compatibility1. Basic ConceptsAndroid is designed to run on a variety of different types of devices, such as mobile phones, tablets, and TVs. For developers, a huge number of devices provide a huge potential audience for your app. In order for your app to run successfully on these devices, your app should be able to tolera
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