different notification sounds for different apps android

In the past few years, Android has gradually become popular, and many projects have begun to involve this part of content. Therefore, learning Android has become quite meaningful.What to learn Many people have different opinions on what Android should learn. Generally, programmers may only learn

Supporting Different Screens Android uses two common properties to classify device screens: Size and pixel density. As a developer, you should expect that your android application will be installed on devices of different screen sizes and pixel density. Therefore, your application should contain optional resources to o

This article reproduced others, the original address: http://www.xyczero.com/blog/article/16/CauseToday in the project encountered a very "wonderful" problem. This is basically the case: Android terminal and Server (Spring), the exact same string key value to put in the HashMap in order, which directly led to the server and Android terminal with the HmacSHA256 algorithm encryption of the digest is not the s

The general method for devices of different Android versions to correctly obtain the screen resolution when talking about the android screen resolution, we all know, but how to correctly obtain the screen resolution? Does android2.2 \ 2.3 \ 4.0 \ 4.1 use the same method? The answer is no. Things are evolving and changing, and

Http://www.ard9.com/gsjj/204.htmlFor the Android platform, the size of the icon at different resolutions have different requirements, for the current mainstream hdpi that WVGA level, usually hdpi app icon size is 72x72, and the standard mdpi that HVGA is 48x48, For the current HTC and Motorola introduced some of the QVGA used by ldpi, icon for 32x32For the

Directory (?) [-] Set different typography styles for horizontal and vertical rows Rewrite code For fragment, it often involves different screen sizes and different typography styles. We make a change in the basic small example, in the horizontal, is still realistic about two fragment, in the vertical row, as shown:Only one fragment is displayed

:? 1 2 3 4 5 6 7 8 9 10 11 12 xml version = "1.0" encoding = "utf-8" ?> 　　 LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android" 　　 android:layout_height = "wrap_content" android:layout_width = "wrap_content" 　　 android:background = "#ffffffff" android:orientation = "horizontal" 　　 android:id = "@+id/dialog" > 　　 TextView android:layout_height = "wrap_content" 　　 android:layout_width = "wrap_content" 　

Currently, there are too many android models on the market. It is very realistic and necessary to solve the problem of how to adapt your applications to different models. The solution documentation officially provided by android is analyzed and processed in three directions.(1) Support devices of Different Screen Sizes

Cause Today in the project encountered a very "wonderful" problem. This is roughly the case: Android Terminals and servers (Spring), exactly the same string key values in the HashMap into the order is not the same, which directly led to the server and the Android terminal using the HMACSHA256 algorithm to encrypt the digest is not the same, The server will not be able to perform proper data validation. Th

Android clipboard operation method is used in different versions of API, androidapiBefore SDK11, use android. text. ClipboardManagerJava code Import android. text. ClipboardManager; ...... ClipboardManager clipboardManager = (ClipboardManager) getSystemService (Context. CLIPBOARD_SERVICE ); ClipboardManager. s

The example in this article describes how the Android programming implementation calculates the number of days difference on different dates. Share to everyone for your reference, specific as follows: Calendar Cal1 = getcalendarfromdate (mstartdate); Long starttime = Cal1.gettimeinmillis (); Calendar Cal2 = getcalendarfromdate (menddate); Long endtime = Cal2.gettimeinmillis (); int numberofdays = (int

It is a good habit to extract strings from the code into an external file. Android provides a dedicated resource folder for each project. If you use the SDK tool to create a project, this tool creates a res/folder in the root directory of the project. The subfolders in this folder indicate different resource types. Some default files, such as res/values/strings. xml, define the value of your string. Create

1. Configure the imagebutton defined in the following layout in XML. Android: Id = "@ ID/rte_bold"Android: layout_width = "40dip"Android: layout_height = "40dip"Android: src = "@ drawable/rte_bold_state"Android: scaletype = "fitxy"Androi