The file format and compatibility supported by Android SUPPORT LIBRARY Media Compat
The file format and compatibility supported by Android SUPPORT LIBRARY Media Compat
Android Support Library Media Compat is a component of the Android support library to provide compatibility support for Android media functions.It allows developers to use the latest media functions on the old version of Android devices.This article will introduce the common file formats supported by Android Support Library Media Compat and its compatibility in different Android versions.
1. Support file format:
Android Support Library Media Compat supports the following common media file formats:
-MP3: audio format;
-MP4: Video format;
-AAC: Audio format;
-WEBM: audio and video format;
-OGG: audio and video format;
-WAV: Audio format;
-MIDI: Audio format;
-JPEG: Picture Format;
-PNG: Picture Format;
-GIF: Picture Format;
-BMP: Picture format.
These file formats are media formats provided by the Android system default. Android support library media compat can ensure compatibility with media files of these formats on each Android version.
2. Compatibility:
Android Support Library Media Compat can be used on most Android devices and provides compatibility support for the old version of Android devices.The following is a compatibility description of the compatibility of Android support library media compat:
-F minimum version support: Android Support Library Media Compat supports the minimum device running Android 4.1 (API level 16).This means supporting the vast majority of Android devices.
-The new feature compatibility: Android support Library Media Compat can support the latest media functions through the update of the library.When Google releases new media functions, developers can obtain compatibility support for these new functions by updating SUPPORT LIBRARY.
-The dependencies of other libraries: Android support library media compat can be used with other Android support libraries, such as the AppCompat library, RecyclerView library, etc.The compatibility and usage of these libraries are consistent with Android Support Library Media Compat.
It should be noted that in order to ensure compatibility and get the latest functional support, it is recommended that developers use the latest version of Android Support Library Media Compat.
Here are a Java code example using Android Support Library Media Compat to realize the function of playing a MP3 audio file:
import android.media.MediaPlayer;
import android.net.Uri;
import android.support.v4.media.MediaMetadataCompat;
import android.support.v4.media.session.MediaSessionCompat;
public class MediaCompatExample {
private MediaPlayer mediaPlayer;
private MediaSessionCompat mediaSession;
public void playAudio(String audioPath) {
Uri audioUri = Uri.parse(audioPath);
try {
mediaPlayer = new MediaPlayer();
mediaPlayer.setDataSource(audioUri.toString());
mediaPlayer.prepare();
mediaPlayer.start();
} catch (Exception e) {
e.printStackTrace();
}
}
public void createMediaSession() {
mediaSession = new MediaSessionCompat(this, "MediaSessionCompatExample");
// Set media metadata
MediaMetadataCompat.Builder metadataBuilder = new MediaMetadataCompat.Builder();
metadataBuilder.putString
mediaSession.setMetadata(metadataBuilder.build());
// Set the media button event processor
mediaSession.setCallback(new MediaSessionCompat.Callback() {
@Override
public void onPlay() {
super.onPlay();
mediaPlayer.start();
}
@Override
public void onPause() {
super.onPause();
mediaPlayer.pause();
}
@Override
public void onStop() {
super.onStop();
mediaPlayer.stop();
}
});
mediaSession.setActive(true);
}
}
The above example code demonstrates how to use Android Support Library Media Compat to play a MP3 audio file and use MediaSessionCompat to achieve the process of media button events.
Summarize:
Android Support Library Media Compat provides compatibility support for Android media functions, supports a variety of common media file formats, and can be used on most Android devices.Developers can obtain the latest media functional support by updating the SUPPORT LIBRARY, and can be used with other support libraries.
