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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
Basic concepts of Android application development: PrefacePlay games for nearly three years (mainly by the page and Hand tour), the beginning of this year, the company's business development needs to do Android, to now have studied 4 months, has been initially built to complete the company's SDK project, the project idle use the blog memo their early summary of some of the pre-summed up (things are not orig
Hello, everyone. Our tutorial today is to customize View Learning in the Android tutorial, for beginners, they are accustomed to the traditional Android page layout, the following code: android:orientation=" vertical " android:layout_width=" Fill_parent " android:layout_height= "Fill_parent" > TextView android:layout_width= " Fill_parent " android:layout_height=" Wrap_cont
The first app to be written right now is Geoquiz, who can test the user's geographic knowledge. The user answers the question on the screen by clicking the True or False button, Geoquiz can instantly feedback the answer correctly or not.Figure 1-1 shows the result of the user clicking the false button. 1.1 Application Basics The Geoquiz application consists of an activity and a layout. activity is a specific instance of the activity class in the
[Android app] obsessive-compulsive Avatar generator, android obsessive-compulsive disorder Recently, in the circle of friends, I added a red and white number in the upper right corner of my profile picture, so that many obsessive-compulsive students can keep chatting and admire the girl who invented this kind of profile picture. But it cannot be customized, which
?You may have encountered this situation during app use:AnrCongratulations, this is the legendary ANR.1.1 What is ANRThe ANR full name application not responding, which is "application unresponsive." When the operation is not processed by the system for a period of time, the system level will pop up the ANR dialog box.1.2 Why does it produce ANR?In Android, the app's responsiveness is monitored by Activity
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
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
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
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
room with a large screen and light, but the environment for users to use the app might not be the case. Although we do not want to, but we do often need to use the mobile device in a strong sunlight environment. This can have a big impact on our viewing screen, which should be taken into account when designing the interface. Under these poor conditions, the details can be lost, the color is unclear, and some elements disappear completely due to sunli
Body I. Objectives Note that the called APK has been installed in the Android system. Previous Article: Android app development enhancement series (4) -- Android dynamic loading (on) -- loading classes in APK Not Installed Call another installed APK string, color value, image, layout file resource, and Activity from th
,};builder.setMultiChoiceItems(items, checkedItems, new OnMultiChoiceClickListener() { //点击某个选项，如果该选项之前没被选择，那么此时isChecked的值为true @Override public void onClick(DialogInterface dialog, int which, boolean isChecked) { checkedItems[which] = isChecked; }});builder.setPositiveButton("确定", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { StringBuffer sb = new StringBuffer(); for(int i = 0;i Progress Bar dialog box
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
The main topics in this section include the Android Desktop widget, the app Widget Development Guide, and a simple example of how to visually explain the app widget.The concept of widgets, app widgets, Web appsThe original concept of the widget was a 98 Apple engineer named
CSDN is implemented by simple Android clients and csdn Android clients I have been reading CSDN blogs and information on my computer. Today I have made a small software program to view information and blogs on my mobile phone. Directly run the Code: I. Welcome interface-LoadingActivity. java package com.example.webviewtest;import android.app.Activity;import and
returnb * A * (Sigma-deltasigma); the}There is also a simple method that is worse than the above accuracy, as follows:1 Public Static DoubleGetdistance (DoubleLAT1,DoubleLONGT1,DoubleLAT2,DoubleLONGT2) {2 DoublePI = 3.14159265358979323;//Pi3 DoubleR = 6371229;//the radius of the Earth4 Doublex, y, distance;5x = (LONGT2-LONGT1) * PI * R * Math.Cos (((LAT1 + lat2)/2) * pi/180)/180;6y = (LAT2-LAT1
Note: This blog post is reproduced in Http://my.oschina.net/mengshuai/blog/541314?fromerr=z8tDxWUHThis article describes the author of the article in the development of Android applications for several years, experienced 2 architectural changes, the first integration of the Rxjava second integration of the MVP, and the Rxjava with the MVP perfect combination, achieve a low-coupling, code simple, testing a c
Perform the following operations: Set-> application-> select an application-> application information The following page is displayed: The disk space occupied by the application is displayed. First, let's talk about the results, which files (folders) will be calculated for these items ). 1. Application, Composed of three elements /Data/com. myapp/lib, that is, the so library folder size/data/app/com.myapp-1.apk, copy the original apk file/data/dalvik
space, which can cause oom error. In our Android platform, most of the situation is in the picture when the improper processing load.The way of memory management is to understand and find out the causes of memory leaks, and then based on these anti-rational coding, to prevent and then avoid excessive memory overhead situation. To learn how to manage memory reasonably, it is best to first understand the mechanism and principle of memory allocation. On
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