FileDocCategorySizeDatePackage
TestAppView.javaAPI DocAndroid 5.1 API4790Thu Mar 12 22:22:44 GMT 2015com.android.testapp

TestAppView

public class TestAppView extends android.renderscript.RSSurfaceView

Fields Summary
private android.renderscript.RenderScriptGL
mRS
TestAppRS
mRender
private android.view.ScaleGestureDetector
mScaleDetector
private static final int
INVALID_POINTER_ID
private int
mActivePointerId
Constructors Summary
public TestAppView(android.content.Context context)

        super(context);
        mScaleDetector = new ScaleGestureDetector(context, new ScaleListener());
Methods Summary
protected voidonDetachedFromWindow()

        if (mRS != null) {
            mRender = null;
            mRS = null;
            destroyRenderScriptGL();
        }
public booleanonKeyDown(int keyCode, android.view.KeyEvent event)

        // break point at here
        // this method doesn't work when 'extends View' include 'extends ScrollView'.
        return super.onKeyDown(keyCode, event);
public booleanonTouchEvent(android.view.MotionEvent ev)

        mScaleDetector.onTouchEvent(ev);

        boolean ret = false;
        float x = ev.getX();
        float y = ev.getY();

        final int action = ev.getAction();

        switch (action & MotionEvent.ACTION_MASK) {
        case MotionEvent.ACTION_DOWN: {
            mRender.onActionDown(x, y);
            mActivePointerId = ev.getPointerId(0);
            ret = true;
            break;
        }
        case MotionEvent.ACTION_MOVE: {
            if (!mScaleDetector.isInProgress()) {
                mRender.onActionMove(x, y);
            }
            mRender.onActionDown(x, y);
            ret = true;
            break;
        }

        case MotionEvent.ACTION_UP: {
            mActivePointerId = INVALID_POINTER_ID;
            break;
        }

        case MotionEvent.ACTION_CANCEL: {
            mActivePointerId = INVALID_POINTER_ID;
            break;
        }

        case MotionEvent.ACTION_POINTER_UP: {
            final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK)
                    >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
            final int pointerId = ev.getPointerId(pointerIndex);
            if (pointerId == mActivePointerId) {
                // This was our active pointer going up. Choose a new
                // active pointer and adjust accordingly.
                final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
                x = ev.getX(newPointerIndex);
                y = ev.getY(newPointerIndex);
                mRender.onActionDown(x, y);
                mActivePointerId = ev.getPointerId(newPointerIndex);
            }
            break;
        }
        }

        return ret;
public voidsurfaceChanged(android.view.SurfaceHolder holder, int format, int w, int h)


              
        super.surfaceChanged(holder, format, w, h);
        if (mRS == null) {
            RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
            sc.setDepth(16, 24);
            sc.setSamples(1, 2, 1);
            mRS = createRenderScriptGL(sc);
            mRS.setSurface(holder, w, h);
            mRender = new TestAppRS();
            mRender.init(mRS, getResources(), w, h);
        }