how to become android developer

this component into their mobile apps, allowing users to easily share the content of their apps in the most popular social media platforms.Mobile Development Payment Platform Class solutions:for developers to provide payment platform API interface, to achieve the functions such as remittance transfer. Mobile Development Voice class solutions: for mobile developers to provide convenient speech recognition services, so that there is text input in place with voice input instead. Save time and effo

Android animation icon -- I am not a gif maker, I am a developer, androiddeveloper We first found a cool animated icon on git: Https://github.com/xuyisheng/tickplusdrawable I have to say that foreign programmers are indeed much better than us in terms of details. OK. Today we will imitate this: Now let's take a look at our results. Don't spray me, just write it for an hour. A lot of details have not been f

Uri uri = Data.getdata (); String[] proj = {MediaStore.Images.Media.DATA}; Cursor actualimagecursor = Managedquery (uri,proj,null,null,null); int actual_image_column_index = Actualimagecursor.getcolumnindexorthrow (MediaStore.Images.Media.DATA); Actualimagecursor.movetofirst (); String Img_path = actualimagecursor.getstring (Actual_image_column_index); File File = new file (Img_path);The following is the solution after 4.2.2, after the Managedquery method is discarded:Public StringGetrealpathfro

sqlitedatabase = dbopenhelper.getreadabledatabase (); switch (Matcher.match (URI)) {case Persons:return Sqlitedatabase.query ("person", projection, Selection,selectionargs, null, NULL, sortOrder); case Person:long rowID = Contenturis.parseid (URI); String where = "PersonID =" + rowid;if (selection! = NULL ! "). Equals (Selection.trim ())) {where + = selection;} return sqlitedatabase.query ("person", projection, Where,selectionargs, null, NULL, SortOrder);d Efault:throw New IllegalArgumentExcept

The so-called proverbs are simple and easy-to-understand ways to convey the proverbs and universal truth of life. They can help you deal with things in your life and work. That's why I have compiled 10 programming sayings. Every developer should remember them and arm themselves. 1. No wind or waves Don't be nervous. This may be just a fire drill. Whether the code design is poor can be seen in some places. For example:A. super large classes or super l

with a variety of popular social media platforms, where developers can integrate this component into their mobile apps, allowing users to easily share the content of their apps in the most popular social media platforms. Mobile Development Payment Platform Class solutions: for developers to provide payment platform API interface, to achieve the functions such as remittance transfer. Mobile Development Voice class solutions: for mobile developers to provide convenient speech recognition ser

Android developer _ backup SMSZookeeper Principles of text message backup The principle of text message backup is to use the content provider to read and save the text message. Public class SmsBackupUtils {// callback interface public interface SmsBackupCallback {/*** total number of messages called * @ param total text messages */public void beforeSmsbackup (int total) before SMS backup ); /*** call * @ p

Preface This chapter is the developer Guide/Developing/Tools/aapt, translated from "Mobile cloud _ 文bin", welcome to its blog: "http://blog.csdn.net/caowenbin ", thanks again for "Mobile cloud _ Wenbin "! We look forward to your participation in translation of Android related information, contact me over140@gmail.com. Body 　　UseAapt AaptIs StandardAndroidAuxiliary packaging tool, located inSDKOfTools/Folder

PrefaceThis chapter describes the developer Guide/Developing/Tools/ProGuard. This chapter describes the obfuscators and version Android3.0 r1 ", welcome to talk with him: "litaojun@gmail.com", thank you again "Jim "! We look forward to your participation in translation of Android related information, contact me over140@gmail.com. Original Http://developer.android.com/guide/developing/tools/proguard.html Ob

for Both Permissions ModelsIn Android6.0, the installation is replaced by requesting permissions at run time. For this reason, you have to test your application in a wider range of conditions. Before Android6.0 we had good reason to believe that our program was running and that we had sufficient permissions because these permissions were already declared in the manifest file. In the new permission model, this is not possible.In cases greater than or equal to API23, you need to determine your pe

1.Package test;Interface Dongwu {void Eat ();}2.Package test;public class Gou implements dongwu{public void Eat () {TODO auto-generated Method StubSystem.out.println ("I am a Puppy");}}3.Package test;public class Mao implements dongwu{@Overridepublic void Eat () {TODO auto-generated Method StubSystem.out.println ("I Am a kitten");}}4.Package test;public class Adongwu implements dongwu{Private Dongwu Dongwu;Public Adongwu (Dongwu Dongwu) {TODO auto-generated Constructor stubThis.dongwu = Dongwu;}

1: Open the Adt-bundle-windows-x86\eclipse directory. Newly created directory Subclipse (note: adt-bundle-windows-x86 is my eclipse directory name)2: Open Eclipse's svn plugin zip file (site-1.8.4.zip)3: Extract the features and plugins directories from the Open Site-1.8.4.zip package to the Adt-bundle-windows-x86\eclipse\subclipse directory4: Open Adt-bundle-windows-x86\eclipse\dropins directory, create a new text file Svn.lnk The contents of this file are: Path=subclipse5: Open the Adt-bundle-