Android Popupwindow the way to implement pop-up menus _android

When you use Uc-webbrowser, you will find that its pop-up menu is different from the one that comes with the system. It implements more menu options for display and columns. In fact, it is Popupwindow or Alertdialog dialog box, add two GridView

The difference between the dip, DP, SP, PT and px in Android _android

1. OverviewIn the past, programmers used to design computer user interfaces in pixel units. For example: The picture size is 80x32 pixel. The problem with this is that if you run the program on a new monitor that is higher in dots per inch (dpi),

Android encapsulates an instance code for fetching Web information _android

Copy Code code as follows: Package cn.mypic; Import Java.io.BufferedInputStream; Import Java.io.BufferedReader; Import Java.io.File; Import java.io.FileNotFoundException; Import Java.io.FileOutputStream; Import java.io.IOException;

Android obtains the city's instance code through the current latitude and longitude _android

Copy Code code as follows: Package com.yy; Import Java.io.InputStreamReader; Import java.net.HttpURLConnection; Import Java.net.URL; Import Javax.xml.parsers.SAXParser; Import Javax.xml.parsers.SAXParserFactory; Import

Android multi-Threaded Download Instance _android

Copy Code code as follows: public class Mainactivity extends activity { declaring controls Path and number of threads Private EditText Et_url, Et_num; Progress bar public static ProgressBar Pb_thread; Actions that show progress Private

Android Service binding process Complete analysis _android

Usually we use service to communicate with it, when we want to communicate with the service, then the service to be in a binding state. The client can then get a binder to communicate with the server, a process that is natural. Do you really know

Android Learning notes-passing data code samples via application _android

In the entire Android program, it is sometimes necessary to save some global data (such as user information) for easy invocation anywhere in the program. In the data transmission between the activity there is a way to compare the use of the global

Android Waterfall Streaming photo wall implementation experience irregular arrangement of aesthetic _android

The traditional layout of the interface is always a clear line, located in an orderly manner, this layout is commonplace, in imperceptible everyone has been to it has produced aesthetic fatigue. This time the waterfall flow layout of the emergence

DataBinding and ListView of Android development and event _android

2015 Google IO Conference distributed the DataBinding library, can be faster Czech convenience to achieve MVVM structure mode. However, through the study of databinding, which stepped through the pit, today to be recorded here. For the databinding

Android implementation of photo, video, audio code example _android

This article mainly introduces the android to achieve photo, video, recording code data, here sorted out the detailed code, the need for small partners can refer to. Recordactivity.java Package com.cons.dcg.collect; Import Java.io.File; Import

Android custom Sliding answering phone control group instance _android

Based on the idea of component development, this article first introduces the Android custom control and then encapsulates the custom control as a jar package. The most implementation of the sliding answering phone control group. First, directory

Android Custom View Imitation Alipay input six-bit password function _android

Similar to the choice of the bank card interface, but also with a popupwindow, but the input password interface is a custom view, when the input six-bit password completed with the callback in the activity to obtain the entered password and toast

Android implements a method of controlling picture size scaling by gesture _android

This article describes the Android implementation of the method of controlling picture size by gestures. Share to everyone for your reference, specific as follows: This program is achieved by hand gestures to scale the picture, from left to right

Android Scraping card effect implementation code _android

The example of this article for everyone to share the impact of the Android scraping card, for your reference, the specific content as follows Android to achieve the bottom of a picture, the upper layer of a mask, touch slip by the finger sliding

Detailed discussion on Android multithreading and asynchronous processing _android

1. Questions raised 1 Why do I need multiple threads? 2 How to achieve multithreading? 3 What is the core of multithreaded mechanism? 4 in the end how many ways to achieve? 2, problem analysis 1 Why the need for multithreading is the nature of

Anti-Concrete correction method for the right and left channel connection of Android headphones _android

You can use the following methods:To modify AudioYusuStreamOut.cpp, add a method: Copy Code code as follows: void audioyusustreamout::sws2m (const void* buffer, size_t bytes) { UInt32 idx_i; Int16 pcm_m; short* pbuffer= (short*) buffer;

Simple code for root access in Android _android

We know that the Android phone OS is based on the Linux kernel, and that the highest system privilege in Linux is root, which is similar to the administrator privileges in Windows, which is the highest authority on the operating system. Because of

Android Integrated micro-Letter login steps Detailed _android

First, write in the OnCreate of application: Generalappliction.java public static Iwxapi SApi; @Override public void OnCreate () { super.oncreate (); SApi = Wxentryactivity.initweixin (this, appconst.weixin_app_id); } Add in places

On the interaction between Android activity and service _android

The ability to implement updates to download progress 1. Interactive via broadcast The server side will present the download progress, broadcast the way out, the client side registers this broadcast listener, when obtains this broadcast, the

Introduction to major resource files and folders in Android _android

In the Android project folder, the main resource files are in the Res folder. 1:assets folder is stored without compiling the original file, that is, the folder inside the file will not be like Xml,java file is precompiled, you can store some

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