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Added in API level 9

Summary: Methods | Inherited Methods | [Expand All]

public static interface SurfaceHolder.Callback2
implements SurfaceHolder.Callback

android.view.SurfaceHolder.Callback2

Known Indirect Subclasses

GLSurfaceView, NativeActivity

额外的回调，可以收到 SurfaceHolder.Callback 。

Public methods
`abstract void`	`surfaceRedrawNeeded(SurfaceHolder holder)` 当应用程序需要重新绘制其表面的内容，调整大小或出于某种其他原因时调用。

From interface android.view.SurfaceHolder.Callback

Added in API level 9

void surfaceRedrawNeeded (SurfaceHolder holder)

当应用程序需要重新绘制其表面的内容，调整大小或出于某种其他原因时调用。在完成重画之前，如果不从这里返回，则可以确保用户不会看到表面处于不良状态（在以正确方式绘制之前以新尺寸显示）。这通常会通过致电surfaceChanged(SurfaceHolder, int, int, int) 。

Parameters
`holder`	`SurfaceHolder`: The SurfaceHolder whose surface has changed.