simple keyboards for android

Scroroller for Android (3) -- controls are moved across the screen (simple to use scroroller) and androidscrorollerMainActivity is as follows: Package cc.cn; import android. OS. bundle; import android. view. view; import android. view. view. onClickListener; import

Enter a phone number in the text box and click "call. (The correctness of the number is not verified in the small example) 1. Create an android project named "Phone Dialer. Because the new version of ADT supports Chinese projects, you can use Chinese directly. The basic project directory is as follows: 2. Develop the dialing interface. Open the res/layout/activity_main.xml file of the project, and a visual interface tool will appear on the right. All

It took a few days to study the reflection mechanism of Java. Here to summarize the results of these days of learning, one to share their learning process and the problems encountered in learning, and secondly, like I do not quite understand the Java reflection mechanism of students to do a simple introduction. An app that links an android reflection mechanism later in the article. First, the concept of r

small, Canary channel can obtain the latest version, the problem is relatively more.8Auto Import. When you copy a piece of code from somewhere else into Android studio, the default Android studio does not automatically import references to the classes used in this code. You can set this up.Settings to Editor-to-Auto Import, tick the ADD unambiguous improts on the fly.9Sometimes many people running

Simple tutorial for Android-65th gun (custom control for digital LCD clock Demo)Next we will study how to implement a digital LCD clock, which is essentially a special effect.First, create a layout file: The XML Attribute of TextView in Android contains several attributes of shadow. ShadowDX, shadowDy, and shadowRadius indicate the horizontal and vertical offse

Android IOC annotation binding control and event case code simple annotation explanation, androidioc I think android has used some frameworks. However, some annotations are used in the frameworks to help us and save a lot of code development workload. It also makes the code more concise. However, annotations are implemented through java reflection and may sacrifi

Android IOC annotation binding controls and simple description of event case code I think android has used some frameworks. However, some annotations are used in the frameworks to help us and save a lot of code development workload. It also makes the code more concise. However, annotations are implemented through java reflection and may sacrifice some performance

stretched to fill the entire flat screen, and the headline of the news will not be too long, which would result in a large number of blank areas on the interface, 2 shown.Figure 2Therefore, a better design is to put the news headlines list interface and the news detail interface in two fragments, and then introduce the two fragments in the same activity, so that the screen space can be fully utilized, 3.Figure 32. How to use fragmentsCreate a new Fragmenttest project and start our Debris Discov

The simple explanation and practice of the Android event bus distribution library Eventbus Introduction, Eventbus Everyone should be unfamiliar, Eventbus is an Android-optimized publish/Subscribe event bus. The main function is to substitute intent,handler,broadcast for passing messages between Fragment,activity,service and threads. The advantage is that

Simple use of Android ViewpagerAndroid-support-v4.jar is a software package that Google offers to us for a compatible low-version Android device that contains only the APIs available on Android 3.0. And Viewpager is one of them. With it, we can do a lot of things, from the simplest navigation, to the page menu and so o

Simple Primer for Android development and Java language Basics [map]Objective:By the end of last year, I had done a simple smart home, and also realized some simple direct connect and remote smart home. So the simplest communication is released: Smart home Simple Implementat

void onclick (dialoginterface dialog, int which ){// Todo auto-generated method stubToast. maketext (main. This, "Do not like it or not. ", Toast. length_long). Show ();}}). Create ();Dialog. Show ();Figure 3 effect: the information content is a simple view typeNew alertdialog. Builder (this). settitle ("enter"). seticon (Android. R. drawable. ic_dialog_info). setview (New edittext (this). setpositivebutto

Main. xml 　　 Mainactivity. Java source code: Package COM. wanghf. demo; import Java. util. calendar; import android. app. activity; import android. app. datepickerdialog; import android. app. dialog; import android. OS. bundle; import android. OS. handler; import

This article is an example of how Android implements simple MD5 encryption. Share to everyone for your reference, specific as follows: Online about Android under the MD5 encrypted data a lot, but the test is always the same as the site's MD5 encryption is not the same, then know that the encoding is not the way, so they wrote one. private static final ch

I thought using list in Android should be a simple task, but -- I am wrong! I have been reading books, followed by book examples.ProgramI learned to write a list, but I still have no skills. Today, I suddenly saw a video tutorial, and I felt a little confused. This video tutorial is www.mars-droid.com, beginners can download learning, or very good, painted color! Haha ~ Now, let's get started. In the

Android Development Series (9): Create a database and complete simple CRUD operations This blog post mainly implements simple database creation and CRUD operations. First, create an Android Project named db 1. Complete database creation: You can use getWritableDatabase () and getReadableDatabase () in the SQLiteOpenHel

After learning, has a general understanding of the development process of the Android program, in order to improve our interest in learning, in this section we will write a simple base station locator program. Now lbs (Location Based service, location-based services) mobile applications are quite popular (such as: micro-letters, customers, muttering, street, etc.), base station positioning is one of the key

I. Preparations 1. Apply for the Android Map API Key Prerequisites: Your google account and System Certificate. First find our debug. keystore file. If you have installed eclipse and configured the android development environment (the Environment configuration is no longer repeated here, the previous blog provides detailed instructions ), you can use Window-> Preference->

Android practice simple tutorial-28th gun (Uri to String type instance), androiduri After reading the previous article, we can easily obtain the uri of the selected image. So how can we convert the obtained uri to a String address? Next we will study it through examples. The layout file is the same as the previous article (article 27), so we will not list it any more. Let's look at MainActivity. java: Pack

This example describes the simple Bluetooth program implemented by Android. Share to everyone for your reference, specific as follows: I will introduce the Android Bluetooth program in this article. This program is to realize the mobile phone as a computer PPT playback of the remote control: the volume Plus and volume reduction keys in order to manage the PPT pa