android application development book

tag is an attribute of view, or a map that holds the parameters, which is useful for improving performance and parameter passing, such as improving ListView performance: View that is used to cache item Copy Code code as follows: Public View GetView (final int position, View Convertview, ViewGroup parent) { Itemviewholder Holder; if (Convertview = = null) {Holder = new Itemviewholder ();Convertview = Layoutinflater.from (context). Inflate (R.layout.view_item, NULL);Holder.timet

. /** * Show album cover / private void Showartwork (Mp3info mp3info) { Bitmap BM = Mediautil.getartwork (This, Mp3info.getid (), Mp3info.getalbumid (), True, false); Toggle Play Time album photo appears transparent effect Animation Albumanim = animationutils.loadanimation (Playeractivity.this, R.anim.album_ Replace); Start playing animation effect musicalbum.startanimation (Albumanim); if (BM!= null) { musicalbum.setimagebitmap (BM);//Show

://www.topitbooks.com/beginning-android-3d-game-development-1501.htmlGood book for Android 3D game development!9, Enterprise android:programming Android Database applications for the enterpriseHttp://www.topitbooks.com/enterprise-

://www.topitbooks.com/beginning-android-3d-game-development-1501.htmlGood book for Android 3D game development!9, Enterprise android:programming Android Database applications for the enterpriseHttp://www.topitbooks.com/enterprise-

[Android] 12.5 uses Intent to read and update Address Book, androidintent Category: C #, Android, VS2015; Created on: 1. Introduction This section describes how to read and update all contacts on the mobile phone through the user profile in Android and how to navigate to these contacts in the user configuration file. I

This article is my published book "React Native and actual combat" serial sharing, the book by the mechanical Industry publishing house, the book detailed React Native framework underlying principles, React Native component layout, components and API Introduction and code combat, and React Nati ve and IOS, Android plat

Android development, permission acquisition, and android Development Permission Turn: http://blog.csdn.net/yawinstake/article/details/6748897 Access registration attributes Android. permission. ACCESS_CHECKIN_PROPERTIES, read or write the permission to register t

. layer 2 is a layer that defines functional components, such as 4. 5. An activity in Android is a user interface. For example, the dialing interface and address book interface are all activities. There can be one or more activities in the application, but if a new activity is created, it must be declared in AndroidManifest. xml. The intent is to describe the ac

I. Introduction to address book applications The address book application is an app that comes with Android. When we see this application, we only think it is an application and store data in a database, but this is not actually t

, Contacts.People.DEFAULT_SORT_ORDER); } } The Androidmanifest.xml is as follows: Contentresolver also allows you to add, modify, and delete information from your address book, and access audio, video, images, and more. The corresponding method is shown as follows: Add: Public final Uri Insert (URI uri,contentvalues values), Contentvalue.put (Key,value), where key is the field name and value is the added data. Modified: Public fi

First of all, let's talk about "Perfect software development". Imagine that perfect circles do not exist in reality. In reality, circles can only return to perfect circles, but the perfect circle describes the composition rules of the circle. Perfect software development has the same meaning. It tries to describe the rules and iron laws of software development. B

: Download and install the Android SDKWith the JDK variable environment configured and eclipse installed, the Java development environment is ready if you are just developing a common Java application. We're going to develop Android apps through eclipse, so we need to download the