android imei check

First, monitoring operation steps1. Open Eclipse, switch to DDMS mode, connect the device, turn on USB debugging,2, in the devices bar will display the connected device, select the package name to monitor3. Click Update Heap in Devices view4. Click Gause GC in the heap view,Second, to determine the memory leaksin the middle of the heap view, there is a type called data object, which is an object of the class type that exists in our program. In the data object row, there is a column "total size",

of the selected contact, and finally get the data from the activity.①. Set up a Click event for select Contacts; ②. Connect two activity via Intent in the Click event Method (the wizard sets the third step, select the contact); ③. Startactivityforresult Intent, int Requestcode) method starts, the parameter intent is the intention of connecting two activity, int requestcode is the result code returned, here first set to 0.Click event Methodpublic void SelectContact (view view) {Intent Intent = n

There are four ways to see the package name of the APK, and then there are other ways to update the document.1. Install APK package name Viewer;2. View the package name in source Androidmanifest.xml;3. Use AAPT to view package name: Tools or Platform tools or Sdk/build-tools/aapt.exe (go to cmd)AAPT Dump hadging *.apk4. ADB logcat Crawl The package name of the currently running APK: Activitymanager (number): Displayed Package Name/class name: + MSADB logcat >d:/log.txt (start with the last log o

type; int id = cursor.getint (cursor.getcolumnindex ("id")) ; String named = cursor.getstring (Cursor.getcolumnindex ("name")); String number = cursor.getstring (Cursor.getcolumnindex ("number"));//Instantiate query result data Object person = new person (ID, named, number);} Close the database connection, release the Resource Db.close ();//Return the data result object return person; /** * Update a data according to name * * @param name * with new conditions * @param newnumber * NEW data * @re

XML version= "1.0" encoding= "Utf-8"?>Tablelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"android:orientation= "vertical"Android:layout_width= "Fill_parent"Android:layout_height= "Fill_parent" >TableRow>TextViewAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Gender:"android:textsize= "11pt" />define a set of radio boxes -Radiogroupandroid:orientation= "Horizontal"android:layout_gravity= "

Call the public platform to upload images, the lower version of the mobile phone can not be uploaded successfully, need to add verification;Check Android system version

Android applications connected to IOT generally start with the welcome interface to check the network status and synchronize the background server. If the network status is unavailable, the user must be notified that the current network is unavailable, the following describes how to implement this function. Public static Boolean isnetworkavailable (context) {connectivitymanager connect = (connectivityman

I used to have a headache for this problem for a long time. And then went to work on other things. Have not been to tidy up, today very difficult to idle down. Just come up with this listview + checkbox problemInterface:Listview_cell:The interface is simple, a full-screen Listview,cell is simple, a textview a checkboxActivityPackage Com.example.testlistviewandcheckbox;import Java.util.arraylist;import Java.util.list;import Android.app.activity;import Android.content.context;import Android.os.bun

Recent projects need to dynamically create a single-selection marquee.The general idea is:1. Dynamically create a radiogroup.2. Create the RadioButton dynamically and add it to the Radiogroup.If you inherit RadioButton, and radiogroup to achieve a variety of other words, accidentally will encounter a variety of diseases.(Ah ah ah, radiogroup I will give you a lot of small monkeys).The most common is the state disorder of RadioButton:(1) A RadioButton is not selected, usually the first one.(2) Ev

Eclipse has a plug-in Tool MAT (Memory Analyzer Tool) to help locate Memory leakage objects. Conclusion: The MAT tool does not directly tell you Where memory leaks occur, but lists suspicious objects. You need to carefully check why these objects are not released. The following is the test code, tested on Android 4.2.2. 1. In this case, the Activity cannot be recycled, because the created Activity can be re

NetworkutilsPackage Com.example.tomorrow.mobileoa.utils;import Android.content.context;import Android.net.ConnectivityManager ; Import android.net.networkinfo;/** * Created by He on 11/9 2015. */public class Networkutils {public static Boolean isnetworkavailable (context context) { Connectivitymanager CM = (Connectivitymanager) context.getsystemservice ( context.connectivity_service); if (cm = = null) { } else { //If it is only used to determine

Android basic learning: Check whether the SD card exists and obtain the root path of the SD card /*** Get the root path of the device -- ExternalStorageDirectory ** @ param context * @ return */public static String getRootPath (Context context) {String path = Environment. getExternalStorageDirectory (). getPath (); return path ;} /*** Determine whether the device sdcard exists ** @ param context *

Android inside the radio box and HTML is actually the same effect. Here are two controls: CheckBox and Radiogroup. Directly on the code:Radio.xml Layout file:String.xml Code:radiotest:Package Mars.activity07;import Android.app.activity;import Android.os.bundle;import android.widget.checkbox;import Android.widget.compoundbutton;import Android.widget.radiobutton;import Android.widget.radiogroup;import Android.widget.toast;public class Radiotest extends

Common commands Devices # Viewing connected devices Start-server # start ADB server Kill-server # stop ADB server Logcat # Viewing logs Install # installs an APK Uninstall # Uninstall an APK Shell # Enter Terminal Other commands Help # View the helpful information Version # View versions Devices # Viewing connected devices Forward # port forwarding Bugreport # generate ADB error report Install # installs an APK Uninstall # Un