android app development for dummies pdf

Guo XiaoxingWeibo: Guo Xiaoxing's Sina WeiboEmail:[email protected]Blog: http://blog.csdn.net/allenwellsGithub:https://github.com/allenwells"Android App Development technology: User Interface" Chapter list Layout management inherits from ViewGroup. It is used to manage the components in the Android

the TCP connection is allowed, as configured:Restart the SQL Server service and create a new database called "OpenFire" to start the configuration of the server.Start the server, open the extracted folder, go to the Bin directory, double-click Openfire.exe, wait for the program to run for a while, click the "Launch Admin" button to open the console.The program can choose Chinese language, the next step, come to the database configuration interface, I choose SQL Server here, and then enter the f

. All you need to do is import this jar library into your project.During the import Classes.jar process, there are two issues that may occur (I use the Eclipse development environment, so I will only explain the issues that this environment encounters). Problem one is to import this jar Library by importing a different jar , and find that the compilation is slow, and sometimes not even compiled successfully, eclipse crash or prompt for "java.l

eventsFirst Kind* Define a MyListener implementation Onclicklistener interfaceButton BT1 = (button) Findviewbyid (R.ID.BT1);Bt1.setonclicklistener (New MyListener ());The second Kind* Define an anonymous inner class implementation Onclicklistener interfaceButton BT2 = (button) Findviewbyid (R.ID.BT2);Bt2.setonclicklistener (New Onclicklistener () {@Overridepublic void OnClick (View v) {System.out.println ("second type"); }});Third Kind* Let current activity implement Onclicklistener interfaceBu

increase in visual pleasure, improve the comfort of use, while improving software identification, focus on the relationship with the PC side, but also need to increase the use of surprise, attention to the details of the software expression, enhance the user's sense of privacy and customization. In the interface design style definition, from the visual effects mainly for users to convey information to retain the overall tone of the product, the target population. such as the same instant messa

Output a record in the Bag-proficient in android, IOS App application service development, and bagandroid Closed json format content {“item”: { Organize a complete json format text output to the App together with the running result of the inner tag Initialize records in the Bag (you can also query records from the

= localprocess.getoutputstream ();D ataoutputstreamlocaldataoutputstream=new DataOutputStream ((OutputStream) localobject); Stringstr=string.valueof (paramstring);localobject=str+ "\ n"; Localdataoutputstream.writebytes (String) localobject); Localdataoutputstream.flush (); Localdataoutputstream.writebytes ("exit\n"); Localdataoutputstream.flush (); Localprocess.waitfor ();int Result=localprocess.exitvalue ();return (Integer) result;} catch (exceptionlocalexception) {localexception.printstacktra

If you want to make the most failed case on Google Play, the best secret is that the interface is extremely slow, consumes power, and consumes memory. Next, you will get negative comments from users, and your reputation will become bad. It is useless even if your applications are well designed and creative. Every problem that affects product efficiency, such as power consumption or memory usage, affects App success. This is why it is crucial to ensure

android:name="Android.intent.category.DEFAULT"/> data android:scheme="sms" /> data android:scheme="Smsto" /> intent-filter> -- intent-filter> action android:name="Android.intent.action.SEND"/> category android:name="Android.intent.category.DEFAULT"/> data android:mimetype="image/*"/> data android:mimetype="Text/plain"/> intent-filter>activity>Note : In order to receive intent, we need to include the category of Category_default in the inten

Android Widget Development case implementation is introduced in this article, mainly to understand and learn about the development of Android widgets, today we want to write about the development of Android widget, as soon as the

Cattle registration), seven cow space How to say, I have always wanted to use, but has been useless, OK, we create a new public bucket, name casually, in the content of the management of a random upload something,This is the test address http://tie163.qiniudn.com/record.txtOpen this test address and we see that we've uploaded something inside. Yes, this is all our own stuff, so we can use Android to read the contents of our address, right? (In fact,

CrashhandlerCrashhandler.init (Getapplicationcontext ()); } } Public classLogactivityextendsActivity {@Override Public voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate); Setcontentview (R.layout.main); Try{//Manufacturing BugsFile File =NewFile (Environment.getexternalstoragestate (), "Crash.bin"); FileInputStream FIS=Newfileinputstream (file); byte[] buffer =New byte[1024]; Fis.read (buffer); } Catch(Exception e) {//You can no longer throw an exc

In Android's many utility apps, the last app switcher is definitely a tool that lets people never unload. Las This application, its function is very simple, that is, through a floating button to achieve a key switch between two applications, but very practical, especially in the edge of the chat need to frequently switch applications. So you can see, want to develop a popular application, must pay attention to the user experience, as long as the user

Direct output[]Example file _samples/app/array_null.json in the _samples/app/directory of the light-open platformToo easy, unable to write more content, we still try it yourself!!!Related Resources Download :Mobile app server development from getting started to mastering: http://download.csdn.net/detail/tx18/8741611Qui

Outputs a null array without a name-proficient in android and IOS App application service development and androidios Direct output [] The example file _ samples/app/array_null.json is in the _ samples/app/directory of the Light-open platform. It's too Easy to write more

Nokey attribute (output array without name) --- proficient in android, IOS App application service development, nokeyandroid Output an array without a name Closed json format content No Initialize records in the Bag Same as Yibo (see the complete code section below) Output all records in the Bag without output array names Nokey attribute parameter indicates no

in the election. After confirming the collocation scheme, you can also download the color scheme to the local, which makes it easy to use the palette to import the interface design software directly.This article is part of a series of documents from design to implementation-hands-on Android app development. Thank you for your reading and feedback, any comments a

Android Tutorial is about to startSay this opened the blog, has been trying their own app, found that the TM is really uncomfortable, not easy to use, well, it was intended to give up, but see the phone there is another pit, simply re-do a bar.The original God Reply app address http://app.sohu.com/app/info?app_id=24203

Environment: already has the root permission of Android system, our apk is boot startTest: Copy the 2 identical versions below the system System/app directoryThe ADB root #获取root权限, provided that the root permission has been opened, namely: Debug compiled Android system adb remount # will write the system directory to ADB push c:/test_1_v1.apk/system/ The

activity, The name we pass in here is used to set the MainPage in the springboard activity.Intent page1 = new Intent();page1.SetClass(this, typeof(ShortcutContainerActivity));page1.SetAction(Intent.ActionMain);page1.PutExtra("PageName", "Page1"); Shortcutinfo is instantiated below. Setrank to set the ordered ordinal, up to 5 Shortcut, which is 0-4; SetIcon is the set icon; Setshortlabel and Setlonglabel are set long name and segment name; Setintent instantiate the previous step Inte NT incomi