android app development for dummies pdf

Use of iconsIcons can give the most intuitive impression, sometimes a lot of explanations can not be an icon.The Android app's icons are divided into two categories, App icon: The start icon that represents the entire app on the main screen, is the icon that gives the user the first impression. A successful application

First, the real demand descriptionIn general, an Android application in the development to a certain stage, the function module will be more and more, the APK installation package is also growing, users in the use of the process there is no way to selectively load their own required function modules. You might want to consider how to split the entire application at this point.Second, the solution proposedGe

Onsensorchanged (Sensorevent event) {int sensortype = Event.sensor.getType ();VALUES[0]:X shaft, values[1]:y shaft, VALUES[2]:Z shaftFloat[] values = event.values;if (SensorType = = Sensor.type_accelerometer){if (Math.Abs (values[0) > 17 | | Math.Abs (Values[1]) > 17 | | Math. ABS (Values[2]) > 17)){/* Primary Response event */Drawable drawable = null;int[] IMGs = Getimgs ();drawable = changeimg (IMGs);Imageview.setimagedrawable (drawable);/* Response Event End */Shake the phone, and then accom

through later optimizations, but structural flaws that are pervasive and limit performance are almost impossible to correct unless the program is rewritten. Changing a basic aspect of your design after the system is complete can cause your system to be structurally ill-conditioned and difficult to maintain and improve. So you should consider performance issues during the design process.Try to avoid the design that limits performance. Consider the performance consequences of your code design. It

Android native fonts may not let the UI sister paper favor, it is too ugly, so the UI sister paper used third-party fonts as the font style of the app, this blog is to summarize in the development of Android app how to use third-party fonts.first, there must be a third-party

[Video] basic learning-free Android development: Bluetooth chat room APP (2), androidapp Basic Learning-free Android development: Lecture 2 of the Bluetooth chat room APP 2.1 course content application scenarios2.2

Quality is critical for an application to be successful in development. Users are asking them to decide that Android applications installed on their devices respond quickly and with reasonable performance. If the application fails to provide useful functionality and a stable user experience, it will be uninstalled quickly. In this article we will introduce ten tricks to quickly improve

Styles and themes in Android app development (Style,themes)More and more Internet companies are deploying their clients on the Android platform, and in order to improve the user experience, these clients are well-laid and aesthetically pleasing .... Android's style design is one of the keys to improving the user experi

Why is it important to make sure that you're optimized, running smoothly, and not causing problems with Android when you use Android to develop apps? Because every problem that affects the efficiency of your app's products, such as power consumption or memory usage, is a key factor in app success. Small series for everyone to summarize the 10 efficient

As a web developer, HTML5 makes me excited because it can bring desktop application functionality into the browser. But in the country, looking at the IE8 version of the following browsers, feel that the large-scale use of HTML5 technology, the day is still elusive. But in the face of iOS and Android platforms such as mobile phone users more and more, based on the WebKit core Mobile browser must be able to let HTML5 first-scale application. This will

(Context context) {Super(context);if(!isineditmode ()) {Setlayertype (View.layer_type_hardware,NULL); } }@Override protected void OnDraw(Canvas canvas) {Super. OnDraw (canvas); for(Item It:mdata) {Mpiepaint.setshader (It.mshader); Canvas.drawarc (Mbounds, the-It.mendangle, It.mendangle-it.mstartangle,true, Mpiepaint); } }@Override protected void onsizechanged(intWintHintOLDW,intOLDH) {mbounds =NewRECTF (0,0, W, h); } RECTF Mbounds; } Copyright NOTICE: When

After you create an Android app project, start debugging directly and discover that visual Studio Emulator for Android has run successfully, but the app is always in build (wait longer than 1 hours) and is not deployed to the emulator as expected via ADB. Export the app dire

See here: Android App development using PhoneGap for location escalation The previous article, using IntelliJ idea to build phonegap Android development environment, simply introduced the PhoneGap Android