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page.title=Building Live TV Apps
page.tags=tv, tif
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<h2>You should also read</h2>
<li><a href="{@docRoot}reference/android/media/tv/package-summary.html"></a></li>
Watching live television shows and other continuous, channel-based content is a big part of the
TV experience. Android supports receiving and playback of live video content through the TV Input
Framework in Android 5.0 (API level 21).
This framework provides a unified method for receiving audio and video channel content
from hardware sources, such as HDMI ports and built-in-tuners, and software sources, such as
video streamed over the internet.
The framework enables developers to define live TV input sources by implementing a TV input
service. This service publishes a list of channels and programs to the TV Provider. The live TV
app on a TV device gets the list of available channels and programs from the TV Provider and
displays them to a user. When a user selects a specific channel, the live TV app creates a
session for the associated TV input service through the TV Input Manager, and tells the TV input
service to tune to the requested channel and play the content to a display surface provided by
the TV app.
<img src="{@docRoot}images/tv/tv-tif-overview.png" id="figure1">
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<strong>Figure 1.</strong> Functional diagram of the TV Input Framework
The TV Input Framework is designed to provide access to a wide variety of live TV input sources
and bring them together in a single user interface for users to browse, view, and enjoy content.
Building a TV input service for your content can help make it more accessible on TV devices.
<p>For more information about TV Input Framework, see the
<a href="{@docRoot}reference/android/media/tv/package-summary.html"></a>