Integrating Lucene with Android

If you want to integrate Lucene with your android application, this post will get you started.  Lucene provides you with a wide range of searching options  like  Fuzzy Search, wildcard search, etc.  So, you can use this in your android application, if you want to provide search option over your custom data model. In the code shown...

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Android SearchView integration with a custom data provider

  In the last post, I had explained how you can use Retrofit API to consume Feedly’s feed search API. In this post, I will cover the integration of a SearchView with the feed search API.  To integrate SearchView with the custom data source, you need to implement the following  interfaces  in the fragment or activity. SearchView.OnQueryTextListener:...

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ADF Dynamic Query Performance Considerations

Recently, I noticed a poor implementation of dynamic query in our application environment.  As the query was complex and its where clauses were generated dynamically, the developer chose not to implement the bind variables.  Now, some of you will be aware of the disadvantages of not using bind variables, but i have mentioned them below just to recap:- It is a security risk as it allows SQL injection attack It causes a major bottleneck on database as every time a search is submitted, the query will need to be parsed and for this...

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Retrofit: A Rest Client for android/java

Retrofit is a type-safe rest client for java/android that one can use for easily consuming rest services. It supports both synchronous and asynchronous retrieval. In this post, I will explain an example which shows how you can integrate it with your android application for consuming rest services asynchronously.  The example will show its integration for doing feed search with Feedly. Feedly’s basic feed search is free, you can find the document here Feedly Search Service.  Setting up Retrofit : - I am now using android studio instead...

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Android: A short primer

Android has  a different paradigm for application development. So , In this post, I will  explain a few of those concepts (as I understand) that lie at its core. Cursor:  To draw parallels,  a cursor object is just like a ResultSet in JDBC. It is used for iterating over the underlying data and just like a JDBC ResultSet object, it must also be closed.  The following snippet shows how to iterate over the  result set. try { cursor = getDatabase().query(tableName, columns,...

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Hello Android!

Just an update : these days, I am developing a RSS reader app on android. I am using android framework for development and not  Oracle MAF because it tends to be free of license restrictions, plus it performs better. I am not particularly fond of android’s ContentProvider API’s , as I find them to be inflexible, so I am going to take the conventional approach of programming.  In the coming posts, I am going to share tips and tricks on android application development  and of course  when the application is developed(which will...

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