Should I keep the database connection opened?

If you are trying to find the best way to work with SQLite connection on Android, asking yourself things like "Should I keep one single connetion opened or open and close everytime that I use the database?" "If I use a single connection, how and when to close? Do I need to close it?", keep … Continue lendo Should I keep the database connection opened?

SearchView and the Activity Lifecycle

I was reading a good post written by Luis G. Valle about SearchViews and he explains two lifecycle ways: Default: searchable activity receives a call to onCreate with an ACTION_SEARCH intent. This will create two instances of your searchable activity (one on top of the other). If you set android:launchMode to singleTop: searchable activity receives … Continue lendo SearchView and the Activity Lifecycle

Installing Gradle on Ubuntu

It will be a small post, just to help someone who is navigating in the web without hope =D. Firstly, you don't need to go to the Gradle web site and download from there. You can just use the apt-get from cwchien repository: sudo add-apt-repository ppa:cwchien/gradle sudo apt-get update sudo apt-get install gradle After that, you … Continue lendo Installing Gradle on Ubuntu

More About Process, Threads, Stack in Android

Here I'm trying to find new way to explain and study this so important subject. Let me try to explain process and threads in a new easy way, without too much theory. When you click in a app icon for the first time, a process, Linux process, will be started to host the app and … Continue lendo More About Process, Threads, Stack in Android

When should I use Android Service?

To rank higher the process which is hosting my application Because a process running a service is ranked higher than a process with background activities, an activity that initiates a long-running operation might do well to start a service for that operation, rather than simply create a worker thread. An activity can be stopped or destroyed, … Continue lendo When should I use Android Service?