how to develop app for android

Together to develop Android weather software (I), android weather Starting from today, I plan to introduce how to develop an Android weather software, which involves many basic knowledge points, it is suitable for beginners or those who are new to

Recently, the integration of real-time chat in the project, pick and choose, the final choice of the Ring Letter SDK for development, the main reason to choose the ring letter is the interface is convenient, concise, explain the document clear and understandable. The documentation has Android, IOS, and backend server, or it's very full. Ring Letter Official Website: http://www.easemob.com/ The purpose of this article is to explain how the ring lette

very easy to reach the cache String url = "http://www.google.com"; Returns the cached copy within the last 15 minutes, and if expire is-1, the content is immediately updated and cached long expire = * 1000; Aq.ajax (URL, string.class, expire, new ajaxcallback 8. Invalidate the cache public void callback (String URL, jsonobject json, ajaxstatus status) { if (JSON!= null) { if ("1". Equals ( Json.optstring ("status")) { //do something }else{ //Do not c

How to Use Android Studio to develop the Gradle plug-inReason First, explain why this article exists. Some time ago, plug-ins and Hotfix technologies were very popular. Nuwa hotfix tool NuwaGradle, Ctrip dynamic loading technology DynamicAPK, and Small, which wanted to be the most lightweight plug-in framework. One common feature of these three apps is the extensive use of Gradle, a powerful build tool. Apa

Requirements You must first install the following products:Flash Professional CS5 Trial Purchase AIR for Android development plug-in on Flash Professional CS5 Download Example file: P2P_example.zip (ZIP, 311 K) Prerequisites Uses Flash Pro to create and release projects. ActionScript 3.0 intermediate programming level Use flash professional CS5 to develop AIR2.5 applications running on the

How does Android jump into the App from the outside and Android jump into the App? Blog Source: http://blog.csdn.net/liuxian13183! All Rights Reserved! This problem has been solved for two days. Because there is no complete solution on the internet, I will share it with you! Solving this problem has two functi

Android Browser default preview mode browsing will be reduced to the original size in the page WebViewAndroid Browser and webview default to MDPI. hdpi equivalent to mdpi 1.5 times times ldpi equivalent to 0.75 times timesThree solutions: 1 viewport attribute 2 CSS control 3 JS control1 viewport attributes are placed in the HTML codeThe attributes of viewport in Meta are as followsHTML code2 CSS Control device densityCreate a separate style sheet for

Android learning notes-App Initial Startup interface implementation, android-app When many apps on android phones start, an image is displayed first. as the beginning of the app, the image is transient. This image usually uses the

The TestIntentData project is as follows: MainActivity is as follows: [Java]Package cn. testintentdata;Import java. util. List;Import android.net. Uri;Import android. OS. Bundle;Import android. view. View;Import android. view. View. OnClickListener;Import android. widget. Button;Import

interested in it here. However, it is a pleasure to see that Android applications can be developed using HTML5 and other front-end knowledge. My graduation is approaching, and time is tight. I would like to ask you, if you want to use front-end development to develop such an Android application that is not very complex in a short time, what else should I need to

Getxxxextra () and found that the class was thrown out of the undefined exception.To test the app code snippet:protected void onCreate (Bundle savedinstancestate) { = getintent (); Intent.getstringextra (/// here will still be due to noclassdeffounderror crash}We then tested a number of mainstream applications on the market, including bat. Found that this method can kill. We started to think that this was the problem with

Mobile Development Enthusiasts Group Open source program topicsOne week development app programFirst participating Members-Little Witch-Ink Fragrance-Dream Marks-Border Knife Customer-Xu CCRequirements-Each claimant follows the open Source specification, code specification and Android development specification-Each claimant must have a GitHub account, skilled in using git to manage the code-Everyone claimin

As Android smartphones continue to update. Android phone system is becoming more and more perfect, screen size is getting bigger! such as the recent release of Millet MIUI 6 and Meizu mobile phone system updates and so on.To Xiaomi MIUI6 's Android phone, MIUI6 has made a new design, insisting that " content is the essence " of the design philosophy, re-refining

compilation,The compiler helps you detect errors, They will not occur during running (this is truly obvious) The code is more readable, easier to understand, and more difficult to get new errors. This is because we have avoided any templates that can only overcome language limitations, and the code functions are clearer (rather than what ). In addition, it can do more work in less time, more stable, and less time to fix bugs. Related Articles on Tweet: # Kotlin features translate into mor

APP Android source code and app Android source code The source code is the application source code of the high imitation public comments. This source code is only used for personal research and cannot be used for commercial purposes. Disputes Caused by this source code are irrelevant to the author. This set of source

[Android] Using Kotlin + Anko to develop Android (1) and kotlinanko The following content is original. You are welcome to reprint it. From Daily Blog: http://www.cnblogs.com/tiantianbyconan/p/4800656.html Kotlin is a static JVM language developed and open-source by JetBrains. Compared with Java, the syntax is concise and supports many syntax features not support

information can be. This technology benefits from the technology described earlier: Android in the root-free hook application of its own system services, the technical principle is very simple, is the use of dynamic Agent technology + reflection mechanism. This technology can be used for this automatic blasting function, we just need to add this hook code at the entrance of the program. This technique has been practiced in the previous article: a new

, enter the time to judge whether there is no value, if no value is the first time to enter, then jump into the Application Guide page, otherwise, jump into the main page.2.ViewPager to achieve page turn effect:Package Com.yayun.guide;import Java.util.arraylist;import Java.util.list;import android.app.activity;import Android.content.intent;import Android.os.bundle;import Android.support.v4.view.pageradapter;import Android.support.v4.view.viewpager;import Android.support.v4.view.viewpager.onpagec

Contactscommon used to Geocoder-2.9.jar and Libphonenumber-6.2.jar)Click the ' + ' point in ' 2 ' and select ' 3 ' point to the ' Jars or directories ' option, then add the frameworks and external folders in turn. For example:Other versions of the code may appear when adding frameworks:No matter, just show the problem, click OK or the frameworks path will be added.If you have a code jump error, follow the steps above to add the path or jar file of the code to its Dependencies tab.Five, Debug so

Contactscommon used to Geocoder-2.9.jar and Libphonenumber-6.2.jar)Click the ' + ' point in ' 2 ' and select ' 3 ' point to the ' Jars or directories ' option, then add the frameworks and external folders in turn. For example:Other versions of the code may appear when adding frameworks:No matter, just show the problem, click OK or the frameworks path will be added.If you have a code jump error, follow the steps above to add the path or jar file of the code to its Dependencies tab.Five, Debug so