android application development tutorial

In the previous programmer's favorite 12 Android Application Development Framework (a), we introduced the top 6 Android application development frameworks, including Xamarin, Phonegap, Corona SDK, etc. Next, the small series will

Android applications, Window applications, and Web applications are currently the mainstream application development types. In fact, there are many similar design ideas between them, there are also differences. Learning from each other among various technologies helps us understand some design ideas of the Android

been in contact with Andorid for several months, always think that do the system, the application development does not need to understand the road of Android automation testing, that is what testers need to master things, we only understand the development, as long as the system to read, according to customer needs can

between the view and the model, therefore, the MVC mode adopts the observer mode, combination mode, and mediation mode. Using the MVC mode can simplify application development, while using the framework to provide model and controller implementation makes application development easier. The

diagram description, call different functions in different states, or else an exception will occur.(4) After Android 6.0, the new access to permissions in addition to the same as in the previous version of the Androidmanifest file in the static request, the application needs to be requested according to the required permissions, in a way to show the User a Request Permission dialog box, in order to get the

Android Application Development: network tool-Volley (1), androidvolleyIntroduction The Internet has always been a blind spot for me. I took some time to learn how to use the Volley network tool, and learned more through the source code. In Android development, there are ma

This series of tutorials is dedicated to the quick learning of Android development, in accordance with the project approach, usually an article will do a small program. Improve your interest in learning.On the one hand to summarize their own income, on the other hand can help more study colleagues through their own sharing.Because of the coherence of knowledge, it is recommended to study in a twinkling. Dir

API key you can not change the package name of the application, assuming the replacement of the package name we must To configure the API key again, let's describe how to get a digital signatureWe know that we have developed the Android program needs to be signed to him, assuming that no signature is not agreed to be installed on the phone or simulator, then you will have doubts, my usual

API key you can not change the package name of the application, assuming the replacement of the package name we must To configure the API key again, let's describe how to get a digital signatureWe know that we have developed the Android program needs to be signed to him, assuming that no signature is not agreed to be installed on the phone or simulator, then you will have doubts, my usual

= "font-size:medium;" >) where xxx activity string getstringextra if boolean getbooleanextra And so on, you can find it yourself. ( 2 some can have default values, such as Getintextra There are two parameters, the first is the key name, and the second is the default value, which means that if the key value does not exist, the default value is used. classAndroidAmong the threads1 , in UI cannot be modified outside the thread UI the. So who creates the view who can go and modify it.

(Radiobutton.gettext ()));7. Radiogroup.setoncheckedchangelistener (8. Newradiogroup.oncheckedchangelistener () {9. Public Voidoncheckedchanged (10.RadioGroupgroup,11.int Checkedid) {12.RadioButtonradioButton = (RadioButton) Findviewbyid (Checkedid);13.LOG.V ("Test", String.valueof (Radiobutton.gettext ()));14.}15.});Example Routines Code (RESOURCE)1. 2. Android:layout_width= "Wrap_content"3. android:layout_height= "Wrap_content" >4. 5. Android:layout_width= "Wrap_content"6. android:layout_heig

, allow backups to be performed, but when you apply the startup page to logically determine whether to re-login, for example, to see if the device uniquely identifies the device number and before the backup is consistent, Inconsistency will directly jump to the landing page while emptying the current application data and cache.Well, the individual humble opinion, not convincing, just because the project was written by the dark cloud feedback a little

Imag is a very concise and efficient mobile cross-platform development framework that can be used to develop a platform that is compatible with both Android and iOS, and a bit of web development basics. There are many frameworks for the current mobile-side cross-platform development, but there is a benefit with imag th

Android plug-in development-Verification of four components and Application functions in OpenAtlas With OpenAtlas for plug-in development, plug-in development can be performed almost according to the normal program development pro