Surface

Rotation constant: 0 degree rotation (natural orientation)

Rotation constant: 180 degree rotation.

Rotation constant: 270 degree rotation.

Rotation constant: 90 degree rotation.

Create Surface from a SurfaceTexture. Images drawn to the Surface will be made available to the SurfaceTexture, which can attach them to an OpenGL ES texture via updateTexImage().

Describe the kinds of special objects contained in this Parcelable's marshalled representation.

Returns true if this object holds a valid surface.

Gets a Canvas for drawing into this surface. After drawing into the provided Canvas, the caller must invoke unlockCanvasAndPost(Canvas) to post the new contents to the surface.

Release the local reference to the server-side surface. Always call release() when you're done with a Surface. This will make the surface invalid.

Returns a string containing a concise, human-readable description of this object. Subclasses are encouraged to override this method and provide an implementation that takes into account the object's type and data. The default implementation is equivalent to the following expression:

   getClass().getName() + '@' + Integer.toHexString(hashCode())

See Writing a useful toString method if you intend implementing your own toString method.

Posts the new contents of the Canvas to the surface and releases the Canvas.

Flatten this object in to a Parcel.

Invoked when the garbage collector has detected that this instance is no longer reachable. The default implementation does nothing, but this method can be overridden to free resources.

Note that objects that override finalize are significantly more expensive than objects that don't. Finalizers may be run a long time after the object is no longer reachable, depending on memory pressure, so it's a bad idea to rely on them for cleanup. Note also that finalizers are run on a single VM-wide finalizer thread, so doing blocking work in a finalizer is a bad idea. A finalizer is usually only necessary for a class that has a native peer and needs to call a native method to destroy that peer. Even then, it's better to provide an explicit close method (and implement Closeable), and insist that callers manually dispose of instances. This works well for something like files, but less well for something like a BigInteger where typical calling code would have to deal with lots of temporaries. Unfortunately, code that creates lots of temporaries is the worst kind of code from the point of view of the single finalizer thread.

If you must use finalizers, consider at least providing your own ReferenceQueue and having your own thread process that queue.

Unlike constructors, finalizers are not automatically chained. You are responsible for calling super.finalize() yourself.

Uncaught exceptions thrown by finalizers are ignored and do not terminate the finalizer thread. See Effective Java Item 7, "Avoid finalizers" for more.