I just talked to the iOS manager today about the memory running on Android and iOS mobile apps. In fact, the nature of the two are the same, if the background application runs too much, resulting in insufficient memory of the phone, the system will determine whether the Background app view is displayed on the phone scr
Full record of mobile phone billing application development based on Android platform (data transfer between activity, Sqlitedatabase, Asynctask)Course Category: AndroidSuitable for people: intermediateNumber of lessons: 26 hoursTechnology used: Asynctask, drawable, SQLite, selector, layoutRelated projects: Mobile phone billing applications based on the
Premise: A phone with root over it.Use Android-sdk-windows\platform-tools\adb.exe to execute under CMD:ADB rootADB pull/data/data/com.xxx.game/databases/xxxx.db d:\Pull the db to the D packing directoryUse the SQLite Expert tool to view specific data in the database.(It looks like you can use the Eclipse's File Explorer tool to view the app's real storage directory below data/data using adb root.) )To view
Debugging the application with Eclipse, encountered this problem, the online solution is quite a lot, but it seems to have not worked, and my phone also restarted, or there is a problem, depressed ing ...And then see an article that may not be the signature and SD card problem, but our own androidmanifest.xml have problems, and then I thought, I just seemed to change this, then SVN restore, everything is normal ...Too vomiting blood, tossing a morning
This is the author of the latest application of the source code, shooting mobile phone screen application source code, the application of the source code is relatively complete, the application is now online a number of application stores, we want to know more in-depth, you can go to some app store to download it, directly search the relevant keywords can be searched, or below have downloaded the demo file.
mainactivity as follows:
package cn.testgethandsetinfo; import android.os.Bundle; import android.text.TextUtils;
Import Android.widget.TextView;
Import android.app.Activity;
Import Android.content.Context;
Import Android.content.pm.PackageInfo;
Import Android.content.pm.PackageManager;
/** * Demo Description: * Get mobile phone model, system version, app version number and other information * * public
Some time ago, I started a new happy phone. At that time, I came with the leos1.0 version (corresponding to android1.6 version). Last night, I refreshed Lenovo's official leos2.0 system with great anxiety, with this day, I feel like I have improved a lot, such as multi-touch, dynamic desktop, and various animation effects.
Although Leos is developed by Lenovo Based on the Android system, it is said that le
In the software we often use, we can often see in the Software settings interface, there is a function that is to go to the scoring function, as long as we click "to score" will call the mobile phone app market software. At first I thought that the implementation of this feature is to traverse the entire phone package name, to match the market most of the applica
Android app-simple and beautiful music players add phone monitors
In September 2nd, the simplified and beautiful music players started Stage 1
Stage 1 has completed the following functions:
1. automatically display the music list
2. Click the list to play the music.
3. Long press List dialog box
4. Pause music
5. Last music
6. Next music
7. aut
Public Static Booleanisavilible (Context context, String PackageName) {//Get Packagemanager FinalPackagemanager Packagemanager =Context.getpackagemanager (); //Get package information for all installed programslist); //the package name used to store all installed programsListNewArraylist(); //Remove the package name from pinfo and press it into the PName list if(PackageInfos! =NULL){ for(inti = 0; I ) {String packname=Packageinfos.get (i). PackageName; Packagenames.add (Pack
The application can not be separated from the server network interaction, but there is time in the network information bad time, we have to give users the prompt to make network settings, in our application generally there will be a Network load error (failure) of the page, there is an operation control, click can enter the mobile phone network settings interface, the code is simple:/**intent Object */Intent Intent = null;/** judge the version of the
Android Phone Manager (Telephonymanger) Example:Telephonymanger is a service class that manages phone status and network information.To add a permission:
Logical function:
Package com.example.telephonystatus;
Import java.io.FileNotFoundException;
Import Java.io.OutputStream;
Import Java.io.PrintStream;
Import java.util.ArrayList;
Import Ja
In the morning, I saw a document on the forum that my brother needed mobile phone version 3.2. It was a little simple. Sorry! For more technical articles, go to www.dahuzhi.com and add the rogue request Moderator to the boutique area. Hahaha Website: yueyu.dahuzhi.com Android apk: Website: yueyu.dahuzhi.comyueyu.apk? Phpecho
In the morning, I saw a document on the forum that my brother needed mobile
Principle: The information about the system performance of the Android phone is written in the file, and is obtained through the Android SDK source life order.
Import Java.io.BufferedReader;
Import Java.io.File;
Import Java.io.FileInputStream;
Import Java.io.InputStreamReader;
Import Java.text.DecimalFormat;
public class Androidmonitor {private static s
Premise: the phone has root;1. Connect the computer to the phone, open cmd, run the commandADB shell;//because of the Linux kernel for Android, many Linux commands can also be used on Android2. Use root permissions,Su; If you don't have root, you'll be prompted3. Add permissions to the file, the path to the db file is:, to step through each folder to add permissi
Implementation steps:1. Drawing the UIYou can use drag-and-drop and text editing.2. Write business logic according to UI in OnCreate in MainactivityGet EditText Contentet_number = (editText) Findviewbyid (R.ID.EDITTEXT1);//find zhe Buttonbutton btn_call = (Button) Findviewbyid (R.id.button); 3. Set a click event inner class for the buttonNew MyListener ()); in//oncreate Private classMyListenerImplementsview.onclicklistener{ Public voidOnClick (View v) {String number=Et_number.gettext (). to
Getallapps.javapublic class Getallapps {private Context mcontext;private packagemanager packagemanager;private int micondpi;private String tag = "Getallapps";p rivate listHere getdrawablefordensity need to be 15 version of the SDK support, all the lower version of the launcher can not be used;Neither of the two methods used in this blog post requires any permissions to be configured;Android4.2 launcher in the use of Resolveinfo to obtain the application list, where the Resolveinfo of the demo i
Activitymanager Mactivitymanager = (activitymanager) getsystemservice (context.activity_service); Final Intent mainintent = new Intent (intent.action_main, null); Mainintent.addcategory (intent.category_launcher); Final Packagemanager Packagemanager = Getpackagemanager (); ListAndroid Grab phone app package name and class name
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