app android

manager.Each Android application must be properly configured with the API level used, with three types: Target framework– which framework to use to create the application (compiled). Minimum Android version– Specifies the minimum version (running) that Android apps can use. Target Android version– Spe

When we download a file from the Internet, some files are relatively large, such as music or video files. It takes a long time to download the file. During the download process, if the current download is interrupted due to a lack of power or other reasons, follow the general program and the next download needs to start again. Here we will implement multi-pure-process breakpoint download, when the download is interrupted, it will be downloaded again next time, a bit like our thunder ...... First

void onscrollchanged () { int scrolly = mscrollview.getscrolly (); if (scrolly Some readers may ask why the first method is introduced, since there is such a simple way to set up listening directly. Careful you may have found that in the first method, I also callback the parameters representing the current callback state in the custom listener event, statue because many apps do not have the option of manually dragging the scrolling and inertia scrolling. For ex

else.2. Why do I need to sign the Android app?If you can only answer this question in a simple sentence, I will say, "This is what the Android system requires."Android requires every Android app to be digitally signed to install

Allows your Android app to use multiple themes (Part 2) and androidpart Original article: Supporting multiple themes in your Android app (Part 2)Translator: chaossssProofreader: Mr. SimpleStatus: complete In the first part of this post, we have created a light theme and made initial preparation to support multiple the

ES program using C + + 31514.10.1 initializing OpenGL 31614.10.2 to create your own renderer 31614.11 Summary 31815th Android Network Programming 31915.1 WebView Control Usage 32015.2 Accessing resources using the HTTP protocol 321Use of 15.2.1 httpurlconnection 321Use of 15.2.2 httpclient 32415.3 Android Socket 32515.3.1 Android TCP Communication 32615.3.2

Before installing the clockworkmod Recovery recovery Model, it is recommended to first recognize the ClockworkMod recovery recovery model of Google Android platformFor Android ROM Manager: Install or update or upgrade the recovery recovery model to the latest and most popular clockworkmod recovery recovery model Via an easy system ROM firmware Organize and perform backup and restore operati

Situation BriefIn the process of developing an Android app, there is a need to launch a service in the app that runs in a standalone process, keeps a long connection to the server, displays the message that the server pushes over the notification bar, and sets the click action. Click to jump to the corresponding activity in the

I recently read a post Praneeth VT posted on Reddit about how he developed his first Android phone app-a GPA calculator. It can be seen that he is a novice in this programming world, so I would like to delve into how he did it, so as to facilitate learning and learn from them.Before I do, I'd like to introduce Praneeth VT first. Graduated from Computer Engineering major In fact, he's learned a

Introduction Background: Android app Optimizer, what to do? Performance analysis tools for Android app optimization Android App Optimizer's rationale for boosting your app's startup speed

Android NDK development (8)-uninstall the app listening itself, pop up user feedback survey, androidndk Reprinted please indicate the source:Http://blog.csdn.net/allen315410/article/details/42521251Analysis of listening and uninstalling scenarios and Principles 1. Scenario Analysis In my previous blog, I wrote about the NDK development practice project, using the open-source LAME library to transcode MP3, w

The Quickcontactsdemo sample describes the contacts database that uses the content provider to access the Android system. Content provider provides a unified interface for sharing data between different applications, and the content provider implements the application code and data layer separation by abstracting the underlying data source. The Android platform provides a corresponding content provider int

1. Why do I need to sign the Android app? If you can only answer this question in a simple sentence, I will say, "This is what the Android system requires." Android requires every Android app to be digitally signed to install into

Allows your Android app to use multiple themes (Part 2) In the first part of this post, we have created a light theme and made initial preparation to support multiple themes. in this blog post, we will continue that effort, creating another theme and allowing dynamic switching of themes during runtime. In the previous blog, we created a bright style topic and made some preparations for using multiple theme

Certificate Authority authentication and are not used to determine which applications the end user can install. It is the program's author's own completion, is the Android System in the package of a self-certification mechanism. 3.DebugSignatureIf you are a newly-started developer, you will find that the application you are developing is not signed or installed on the Android machine because the ADT tool u

Longer build times will slow down project development, especially for large projects where the app is built for a long time of more than 10 minutes, short minutes, long build times have become a bottleneck for development, and this article is based on Google's official documentation, plus some of its own understanding to provide some optimization suggestions to improve the speed of the app build.1, create a

Using Kotlin to develop Android app first experienceLast night, the latest Google IO conference formally Kotlin determined for the official development of language, as an Android development bird, how can not taste fresh in time?A brief introduction to KotlinBefore development, many students must have a lot of questions, Kotlin in the end there is what good, how

Android API Guides --- App Widget HostApplication Widget hostAndroid available on most Android devices ?? The oid home screen allows users to embed application gadgets for quick access to content. If you are building a home replacement or similar application, you can also allow users to embed application components by implementing AppWidgetHost. This is not somet

Android developers recently announced a new Multidex support library on Google +, providing official support for Android apps with a total of over 65K.If you're a lucky Android app developer and you're developing a promising app that's constantly adding new features and addi

This article is from Google Android's official Web App development guide, divided into five articles: 1. Overview, 2. screen size, 3. Web View creation, 4. debugging and 5. Best practices. Figure 1. you can use either of the following methods to allow users to access your Web content: Add a WebView to the layout in a traditional way, that is, through a browser or in an Android app.The first article is as f