@Override
public boolean onScale(ScaleGestureDetector detector) {
Logger.i(
TAG,
"onScale: "
+ detector.getFocusX()
+ "x"
+ detector.getFocusY()
+ " "
+ detector.getScaleFactor());
float scale = detector.getScaleFactor();
if (mVisibleGrid == GRID_SMALL && scale > 1 && scale < 1.33) {
mSmallRecView.setScaleX(scale);
mSmallRecView.setScaleY(scale);
float alpha = (1.33f - scale) / 0.33f;
mSmallRecView.setAlpha(alpha);
mBigRecView.setAlpha(1 - alpha);
} else if (mVisibleGrid == GRID_BIG && scale < 1 && scale > 0.75) {
mBigRecView.setScaleX(scale);
mBigRecView.setScaleY(scale);
float alpha = (scale - 0.75f) / 0.25f;
mSmallRecView.setAlpha(1 - alpha);
mBigRecView.setAlpha(alpha);
}
return false;
}
@Override
public void onScaleEnd(ScaleGestureDetector detector) {
mBigRecView.setScaleX(1);
mBigRecView.setScaleY(1);
mSmallRecView.setScaleX(1);
mSmallRecView.setScaleY(1);
float scale = detector.getScaleFactor();
if (mVisibleGrid == GRID_SMALL && scale > 1.1f) {
// mBigRecView.setVisibility(View.VISIBLE);
// mSmallRecView.setVisibility(View.GONE);
mSmallRecView.setAlpha(0f);
mBigRecView.setAlpha(1f);
mVisibleGrid = GRID_BIG;
} else if (mVisibleGrid == GRID_BIG && scale < 0.9f) {
// mBigRecView.setVisibility(View.GONE);
// mSmallRecView.setVisibility(View.VISIBLE);
mSmallRecView.setAlpha(1f);
mBigRecView.setAlpha(0f);
mVisibleGrid = GRID_SMALL;
}
}