Basically, what we do here is telling Android that we want to view the akquinet homepage. Then, we simply pass the Intent object to startActivity(Intent). In this example, we give two parameters to the Intent constructor: The action to be performed (here view) and the corresponding data (here a web page URL). Intent intent = new Intent(Intent.ACTION_VIEW, To create an intent and launch an activity with it, we can write the following code within our caller activity: For our purposes, an intent is used to launch an activity. In this blog post series, we will focus on activities as intent handlers. Technically speaking, this action is just a constant, either a pre-defined one from Android, like ACTION_VIEW or ACTION_EDIT, or a custom one that we can define ourselves.Īn intent is always handled by an Android component, namely an activity, a service or a broadcast receiver. This operation primarily consists of an action and of data to operate on, although there are various optional parameters to describe the operation in more detail. Intents and activity launchingĪn intent is a data structure containing a description of a to-be-performed operation. Install it by pointing your Android browser to this URL. With it, you can start different types of activities, specifying the intent flags you want to pass, and examine the effects. In order to ease understanding of intents and their various flags, akquinet Modular and Mobile Solutions provides an Android application to experiment with intent flags. in terms of target task or activity instance creation) What options (flags) does Android provide to customize this launch? (e.g.How do we use them to launch activities?.In this post of the series, we focus on Android’s intent concept and address the following questions: We have seen that activities correspond to visible screens in the UI, that activities are grouped as stacks within tasks, and tasks are sent to the background and foreground as atomic units. The previous post of the Activities and Tasks series gave an introduction to the concepts behind activities and tasks.
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