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TransportController

public abstract class TransportController
extends Object

java.lang.Object
↳	android.support.v4.media.TransportController

Known Direct Subclasses

TransportMediator

Base interface to controlling a media transport. This is the interface for implementing things like on-screen controls: it allows them to request changes in playback, retrieve the current playback state, and monitor for changes to the playback state.

Summary

Public constructors
`TransportController()`

Public methods
`abstract int`	`getBufferPercentage()` Retrieve amount, in percentage (0-100), that the media stream has been buffered on to the local device.
`abstract long`	`getCurrentPosition()` Retrieve the current playback location in the media stream, in milliseconds.
`abstract long`	`getDuration()` Retrieve the total duration of the media stream, in milliseconds.
`abstract int`	`getTransportControlFlags()` Retrieve the flags for the media transport control buttons that this transport supports.
`abstract boolean`	`isPlaying()` Return whether the player is currently playing its stream.
`abstract void`	`pausePlaying()` Request that the player pause its playback and stay at its current position.
`abstract void`	`registerStateListener(TransportStateListener listener)` Start listening to changes in playback state.
`abstract void`	`seekTo(long pos)` Move to a new location in the media stream.
`abstract void`	`startPlaying()` Request that the player start its playback at its current position.
`abstract void`	`stopPlaying()` Request that the player stop its playback; it may clear its state in whatever way is appropriate.
`abstract void`	`unregisterStateListener(TransportStateListener listener)` Stop listening to changes in playback state.

Inherited methods

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

TransportController

TransportController ()

Public methods

getBufferPercentage

int getBufferPercentage ()

Retrieve amount, in percentage (0-100), that the media stream has been buffered on to the local device. Return 100 if the stream is always local.

Returns
`int`

getCurrentPosition

long getCurrentPosition ()

Retrieve the current playback location in the media stream, in milliseconds.

Returns
`long`

getDuration

long getDuration ()

Retrieve the total duration of the media stream, in milliseconds.

Returns
`long`

getTransportControlFlags

int getTransportControlFlags ()

Retrieve the flags for the media transport control buttons that this transport supports. Result is a combination of the following flags: FLAG_KEY_MEDIA_PREVIOUS, FLAG_KEY_MEDIA_REWIND, FLAG_KEY_MEDIA_PLAY, FLAG_KEY_MEDIA_PLAY_PAUSE, FLAG_KEY_MEDIA_PAUSE, FLAG_KEY_MEDIA_STOP, FLAG_KEY_MEDIA_FAST_FORWARD, FLAG_KEY_MEDIA_NEXT

Returns
`int`

isPlaying

boolean isPlaying ()

Return whether the player is currently playing its stream.

Returns
`boolean`

pausePlaying

void pausePlaying ()

Request that the player pause its playback and stay at its current position.

registerStateListener

void registerStateListener (TransportStateListener listener)

Start listening to changes in playback state.

Parameters
`listener`	`TransportStateListener`

seekTo

void seekTo (long pos)

Move to a new location in the media stream.

Parameters
`pos`	`long`: Position to move to, in milliseconds.

startPlaying

void startPlaying ()

Request that the player start its playback at its current position.

stopPlaying

void stopPlaying ()

Request that the player stop its playback; it may clear its state in whatever way is appropriate.

unregisterStateListener

void unregisterStateListener (TransportStateListener listener)

Stop listening to changes in playback state.

Parameters
`listener`	`TransportStateListener`