Gson on Android
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GsonXml is a small library that allows using [Google Gson library] (https://code.google.com/p/google-gson/) for XML deserialization.The main idea is to convert a stream of XML pull parser events to a stream of JSON tokens.It's implemented by passing a custom
JsonReader
(that wraps XmlPullParsers
) to Gson
. Dukes of hazzard theme ringtone free download for flip phone case.Though currently this library is not pretending to be the most efficient one for XML deserialization, it can be very useful.
Compatible Gson versions: 2.1, 2.2.
Gson is a library for converting Java objects to and from JSON using reflection. You can define Java objects that have the same names as their corresponding JSON keys, pass Gson the class object, and Gson will fill in the fields for you. Here's a complete implementation of a Volley request that uses Gson. Eclipse juno download for windows 64 bit for android. Questions: Can someone tell me step by step guide to add the GSON library to Android project? I tried the JSON built-in library but that seems to be a bit tedious right now. I saw a couple of examples based on GSON, and that seems really easy. Answers: Add following dependency or download Gson jar.
Usage
Use
@SerializedName
annotation to handle tag attributes and text nodes.To illustrate, this XML
can be mapped to a POJO
Download Gson Library For Android Studio Windows 7
You may also take a look atSimpleXmlReaderTestto see other samples.
Deserializing lists
Since there is no direct analogy of JSON arrays in XML, some ambiguity appears when you are trying to deserialize lists.
GsonXmlBuilder
has method setSameNameLists(boolean)
in order to resolve this issue.Considering the following Java class
Call
setSameNameLists(false)
in order to deserialize such an object from the following XML:Note that tag names of
persons
tag children nodes are ignored. https://cicdsb.weebly.com/blog/shadow-fight-game-download-for-android.And call
setSameNameLists(true)
in order to deserialize such an object from another piece of XML:Don't forget to put
SerializedName('person')
annotation on persons
field.Note that at the moment it's impossible to deserialize more than one list in the same container with option
setSameNameLists(true)
.Also be aware that currently it's impossible to deserialize XML structure where both types of lists exist.
Download
In a Maven project include the dependency:
Gradle example:
Download Gson Library For Android Studio 2
Android Notes
In order to use this library in Android project, copy only
gson-xml
and gson
jars to the project libraries folder.kxml2
and xmlpull
jars are not required since XmlPullParser
is a part of Android SDK.To exclude them in your Gradle project use the following lines:Also be aware that Android SDK up to 'Ice Cream Sandwich' returns instance of
ExpatPullParser
when you callXml.newPullParser().And this parser does not support namespaces.![Android Android](/uploads/1/3/3/9/133911253/474041858.png)
Read also this blog post about issues withAndroid XML parsers.