com.google.appinventor.components.runtime.util

Class MediaUtil

java.lang.Object

com.google.appinventor.components.runtime.util.MediaUtil

public class MediaUtil
extends java.lang.Object

Utilities for loading media.

Method Summary

Methods

Modifier and Type	Method and Description
static java.io.File	copyMediaToTempFile(Form form, java.lang.String mediaPath) Copies the media specified by mediaPath to a temp file and returns the File.
static android.graphics.drawable.BitmapDrawable	getBitmapDrawable(Form form, java.lang.String mediaPath) Loads the image specified by mediaPath and returns a Drawable.
static void	loadMediaPlayer(android.media.MediaPlayer mediaPlayer, Form form, java.lang.String mediaPath) Loads the audio or video specified by mediaPath into the given MediaPlayer.
static int	loadSoundPool(android.media.SoundPool soundPool, Form form, java.lang.String mediaPath) Loads the audio specified by mediaPath into the given SoundPool and returns the sound id.
static void	loadVideoView(android.widget.VideoView videoView, Form form, java.lang.String mediaPath) Loads the video specified by mediaPath into the given VideoView.
static java.io.InputStream	openMedia(Form form, java.lang.String mediaPath)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

openMedia

public static java.io.InputStream openMedia(Form form,
                            java.lang.String mediaPath)
                                     throws java.io.IOException

Throws:

java.io.IOException

copyMediaToTempFile

public static java.io.File copyMediaToTempFile(Form form,
                               java.lang.String mediaPath)
                                        throws java.io.IOException

Copies the media specified by mediaPath to a temp file and returns the File.

Parameters:

form - the Form

mediaPath - the path to the media

Throws:

java.io.IOException

getBitmapDrawable

public static android.graphics.drawable.BitmapDrawable getBitmapDrawable(Form form,
                                                         java.lang.String mediaPath)
                                                                  throws java.io.IOException

Loads the image specified by mediaPath and returns a Drawable.

If mediaPath is null or empty, null is returned.

Parameters:

form - the Form

mediaPath - the path to the media

Returns:

a Drawable or null

Throws:

java.io.IOException

loadSoundPool

public static int loadSoundPool(android.media.SoundPool soundPool,
                Form form,
                java.lang.String mediaPath)
                         throws java.io.IOException

Loads the audio specified by mediaPath into the given SoundPool and returns the sound id. Note that if the mediaPath is a content URI or an URL, the audio must be copied to a temp file and then loaded from there. This could have performance implications.

Parameters:

soundPool - the SoundPool

form - the Form

mediaPath - the path to the media

Throws:

java.io.IOException

loadMediaPlayer

public static void loadMediaPlayer(android.media.MediaPlayer mediaPlayer,
                   Form form,
                   java.lang.String mediaPath)
                            throws java.io.IOException

Loads the audio or video specified by mediaPath into the given MediaPlayer.

Parameters:

mediaPlayer - the MediaPlayer

form - the Form

mediaPath - the path to the media

Throws:

java.io.IOException

loadVideoView

public static void loadVideoView(android.widget.VideoView videoView,
                 Form form,
                 java.lang.String mediaPath)
                          throws java.io.IOException

Loads the video specified by mediaPath into the given VideoView. Note that if the mediaPath is an asset or an URL, the video must be copied to a temp file and then loaded from there. This could have performance implications.

Parameters:

videoView - the VideoView

form - the Form

mediaPath - the path to the media

Throws:

java.io.IOException