must have free android apps

There are three ways to get rid of the title bar in Android, and they have their own characteristics.1. Implement in CodeRemember: This code should be written in front of Setcontentview (). 2. Implemented in the manifest file (manifest.xml)This can be used to set the entire application to no title bar, if only one activity is set to a untitled bar form, as long as the above the third line of code written to a certain activity inside it. 3. Defined in

so on. For example, "*" means matching any class name but does not include the package delimiter, while "* *" matches any class name and includes any number of package delimiters. So the code we commented on above means the following: the first line: all methods that keep all classes under Com.ttdevs.proguard and sub-packages are not confused, and the second row keeps all methods and member variables of the class under Com.ttdevs.proguard and all the classes under the sub-package are not confus

Two applications between the value, in fact, the title is too water, the professional argument is "two process how to pass the value", what?! It's not professional enough, okay, you're kinky! "Interprocess communication" is actually more professional, this time you always satisfied! Incidentally, abbreviated to IPC:inter-process communication. Brothers, if you find this article from search engines or other sources, it means that your Android technolog

the outline of a view usingView.setClipToOutLine()Method, orandroid:clipToOutlineProperty. There is only a rectangle, rounded rectangle, and the outline of the circle is clipped and can be usedOutline.canClip()The method detects if the crop is supported.Crop the view to a drawable shape. Sets drawable as the background for the view (the view is displayed on it), and the method is called View.setClipToOutline() .Cropping a view is an expensive operation and does not use shape animation when crop

the flag variable is 1, indicating that a connection was generated.When currentstate-historystae =-1, the state is connected to a break, at which time the flag variable is 0, indicating that a fracture has occurred.Create a function to get the Currentstae:public int getcurrentstate () {return this.manager.getWifiState () = = wifimanager.wifi_state_enabled? 1:0;}Next we modify Mythread's Run method as follows:@Overridepublic void Run () {if (historystate = =-1) {currentstate = Getcurrentstate ()

Android web apps development, the official documentation is as follows: http://developer.android.com/intl/zh-CN/guide/webapps/overview.html. First, I felt that the official Android documentation is getting better and better. To put it bluntly, the web app uses webview for development. If you have time, you must take a good look at this document. The more you lea

Why do Android apps use MulticastSocket to listen for multicast? Why do they connect to different routes and run on different mobile phones? Some of them cannot receive multicast messages. ---------------------------!! Reprinted please indicate the source !! ----------------------- A project that uses Wi-Fi multicast to discover devices in the LAN. However, it is found that some routers can work normally, a

In Android app development, there are occasional exceptions that cause the app being used to be abnormal and forced to shut down, which leads to an unfriendly user experience. To solve this problem, we need to catch the exception and do the processing. There are two kinds of exceptions in Java, namely error and RuntimeException, the former do not need us to deal with, we often deal with the latter. So how do you catch the exception of threads at run t

1, about IconfontIconfont is both icon and font, in particular, it should be displayed in the form of a font icon. Unlike icons in traditional picture formats, this kind of icon is easy to change in size, color, and background color because it is displayed in font form.2. How to use 2.1 Download resourcesResource Source: http://www.androidicons.com/ Follow the guide to find the download link. Download the decompression to find Iconfont/font, the inside of the four files copied to the

Android Development free class library and tools collection-OPEN development experience Library A collection of free class libraries and tools for Android development, categorized by directory. Action Bars Actionbarsherlock Extended ActionBar Fadingactionbar Glassactionbar V7 AppComp

to the course subject. This is free training with limited energy. For the time being, it is only possible to make normal and outstanding. If you are already excellent, teach me. No entry-level training is provided. Many software products in China support skin customization, which is also one of the major differences with foreign software. foreign users focus on social networking and email functions, while domestic users focus on music, novels, skin a

The function of this script is to uninstall all third-party apps installed in Android phone, mainly using adb shell pm, adb Uninstall command, so the premise is to use the environment variable of ADB, the following code:1 #!/usr/bin/env python2 3 ImportOS4 5 defUninstall ():6Os.popen ("adb wait-for-device")7 Print "Start Uninstall ..."8 forPackagesinchOs.popen ("adb shell pm list packages-3"). Read

In Android, data is exposed and received across apps. For example, a small project is used to add words in a single word base. Function: data is exposed and received across apps in different ways.Exposed app: adds, deletes, modifies, and queries words (Word, and Translate;Acceptor app: fuzzy query to obtain the data of the exposed end. Exposed homepage and layout

= trustmanagerfactory.getinstance ("X509"); - theTmf.init ((KeyStore)NULL); * $ for(TrustManager trustManager:tmf.getTrustManagers ()) {Panax Notoginseng - ((X509trustmanager) trustmanager). checkservertrusted (chain, authtype); the + } A the}Catch(Exception e) { + - Throw Newcertificateexception (e); $ $ } - - //Hack Ahead:biginteger and ToString (). We k

Androidmanifest.xml file,Knowing that, it's not very difficult to understand.Below I use two simple answers to the demo, to apply.Demo 1: Use the Queryintentactivities () method to query all Android systems with Action_main and Category_launcherIntent application, after clicking, can launch the application, and plainly is to do a similar home program simple launcher.Demo 2: Get the app through the Getinstalledapplications () method, then filter it, f

{@DatabaseField (id=true) PrivateInteger ID; @DatabaseField (ColumnName= "Name") PrivateString name; PublicPerson () {} PublicPerson (String name) { This. name=name; } Public voidSetUid (intuid) { This. ID =uid; } PublicInteger Getuid () {returnID; } PublicString GetName () {returnname; } Public voidsetName (String name) { This. Name =name; } @Override PublicString toString () {returnname; }}The rule we use is to add some attributes to the fields that need to be m

appearance of the CardView: Use the Card_view:cardcornerradius property to set the radius of the fillet in the layout file.Use the Cardview.setradius method to set the radius of the fillet in Java code.Sets the background color of the card, using the card_view:cardbackgroundcolor property. Below is an example of a CardView included in an XML layout file: Card example DiagramCard example DiagramStrumRecyclerview can be seen through the above. It's a lot like the ListView we used t

also includes the interests of users, to their own reputation will also cause a certain harm! Looking back, let's guess how my app was planted with malicious ads at the beginning of the paragraph. Personally, it is to use the above method to decompile, the already written and generated Smali file into my package, and then in the manifest file configuration, and modify the package name, and finally RePack (to get this result is based on, I have two times packaged apk and another anti-compilation

Today in the use of 360 mobile phone assistant, found that it will automatically create a quick start mode, it feels very interesting, so on the Internet Baidu Some methods, try, there is a way is quite good, I use for reference, first save, I also wrote a Test applet.First, add the code in the mainactivity you want to launch the app into, and in the OnCreate () method, plus a method createshortcut ();Then there is the implementation of the method:private void CreateShortcut () {//TODO auto-gene

If the API or APK in the Android system is unable to read or write to the USB device, it may not be possible to add read/write USB permissions, which need to be set as follows:1. In the android.hardware.usb.host.xml file, add the following: name="Android.hardware.usb.host" /> 2. In tablet_core_hardware. Add the following content to the XML file name="Android.hardware.usb.host " > 3. Recompile the system.img, and burn the firmware to restart