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SimpleModelView.javaAPI DocAndroid 5.1 API6357Thu Mar 12 22:22:44 GMT 2015com.android.modelviewer

SimpleModelView

public class SimpleModelView extends android.renderscript.RSSurfaceView implements android.hardware.SensorEventListener

Fields Summary
private android.renderscript.RenderScriptGL
mRS
private SimpleModelRS
mRender
private android.view.ScaleGestureDetector
mScaleDetector
private android.hardware.SensorManager
mSensorManager
private android.hardware.Sensor
mRotationVectorSensor
private final float[]
mRotationMatrix
private static final int
INVALID_POINTER_ID
private int
mActivePointerId
private boolean
mUseSensor
private android.renderscript.Matrix4f
mIdentityMatrix
Constructors Summary
public SimpleModelView(android.content.Context context)


       
        super(context);
        ensureRenderScript();
        mScaleDetector = new ScaleGestureDetector(context, new ScaleListener());
        // Get an instance of the SensorManager
        mSensorManager = (SensorManager)getContext().getSystemService(Context.SENSOR_SERVICE);
        // find the rotation-vector sensor
        mRotationVectorSensor = mSensorManager.getDefaultSensor(
                Sensor.TYPE_ROTATION_VECTOR);
        mIdentityMatrix.loadIdentity();
    
Methods Summary
private voidensureRenderScript()

        if (mRS == null) {
            RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
            sc.setDepth(16, 24);
            mRS = createRenderScriptGL(sc);
            mRender = new SimpleModelRS();
            mRender.init(mRS, getResources());
        }
    
public voidloadA3DFile(java.lang.String path)

        mRender.loadA3DFile(path);
    
public voidonAccuracyChanged(android.hardware.Sensor sensor, int accuracy)

    
protected voidonAttachedToWindow()

        super.onAttachedToWindow();
        ensureRenderScript();
    
protected voidonDetachedFromWindow()

        mRender = null;
        if (mRS != null) {
            mRS = null;
            destroyRenderScriptGL();
        }
    
public voidonSensorChanged(android.hardware.SensorEvent event)

        // we received a sensor event. it is a good practice to check
        // that we received the proper event
        if (mUseSensor) {
            if (event.sensor.getType() == Sensor.TYPE_ROTATION_VECTOR) {
                // convert the rotation-vector to a 4x4 matrix. the matrix
                // is interpreted by Open GL as the inverse of the
                // rotation-vector, which is what we want.
                SensorManager.getRotationMatrixFromVector(
                        mRotationMatrix , event.values);

                if (mRender != null) {
                    mRender.onPostureChanged(new Matrix4f(mRotationMatrix));
                }
            }
        }
    
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 voidpause()

        mSensorManager.unregisterListener(this);
    
public voidresume()

        mSensorManager.registerListener(this, mRotationVectorSensor, 10000);
    
public voidsurfaceChanged(android.view.SurfaceHolder holder, int format, int w, int h)

        super.surfaceChanged(holder, format, w, h);
        mRender.surfaceChanged();
    
public voidtoggleSensor()

        mUseSensor = !mUseSensor;
        if (mUseSensor == false) {
            mRender.onPostureChanged(mIdentityMatrix);
        }