[automerger] All Apps physics polish. am: 813c626f92 (8df320ea) · Commits · e / os / android_packages_apps_Trebuchet

src/com/android/launcher3/allapps/AllAppsContainerView.java

+0 −31

Original line number	Diff line number	Diff line
		@@ -21,7 +21,6 @@ import android.graphics.Rect;
		import android.graphics.drawable.ColorDrawable;
		import android.graphics.drawable.InsetDrawable;
		import android.support.v7.widget.LinearLayoutManager;
		import android.support.v7.widget.RecyclerView;
		import android.text.Selection;
		import android.text.SpannableStringBuilder;
		import android.util.AttributeSet;
		@@ -227,7 +226,6 @@ public class AllAppsContainerView extends BaseContainerView implements DragSourc
		mAppsRecyclerView.setHasFixedSize(true);
		if (FeatureFlags.LAUNCHER3_PHYSICS) {
		mAppsRecyclerView.setSpringAnimationHandler(mSpringAnimationHandler);
		mAppsRecyclerView.addOnScrollListener(new SpringMotionOnScrollListener());
		}

		mSearchContainer = findViewById(R.id.search_container_all_apps);
		@@ -403,33 +401,4 @@ public class AllAppsContainerView extends BaseContainerView implements DragSourc
		public SpringAnimationHandler getSpringAnimationHandler() {
		return mSpringAnimationHandler;
		}

		public class SpringMotionOnScrollListener extends RecyclerView.OnScrollListener {

		private int mScrollState = RecyclerView.SCROLL_STATE_IDLE;

		@Override
		public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
		if (mScrollState == RecyclerView.SCROLL_STATE_DRAGGING \|\| (dx == 0 && dy == 0)) {
		if (mSpringAnimationHandler.isRunning()){
		mSpringAnimationHandler.skipToEnd();
		}
		return;
		}

		// We only start the spring animation when we fling and hit the top/bottom, to ensure
		// that all of the animations start at the same time.
		if (dy < 0 && !mAppsRecyclerView.canScrollVertically(-1)) {
		mSpringAnimationHandler.animateToFinalPosition(0, 1);
		} else if (dy > 0 && !mAppsRecyclerView.canScrollVertically(1)) {
		mSpringAnimationHandler.animateToFinalPosition(0, -1);
		}
		}

		@Override
		public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
		super.onScrollStateChanged(recyclerView, newState);
		mScrollState = newState;
		}
		}
		}

src/com/android/launcher3/allapps/AllAppsRecyclerView.java

+23 −1

Original line number	Diff line number	Diff line
		@@ -104,7 +104,10 @@ public class AllAppsRecyclerView extends BaseRecyclerView implements LogContaine
		}

		public void setSpringAnimationHandler(SpringAnimationHandler springAnimationHandler) {
		if (FeatureFlags.LAUNCHER3_PHYSICS) {
		mSpringAnimationHandler = springAnimationHandler;
		addOnScrollListener(new SpringMotionOnScrollListener());
		}
		}

		@Override
		@@ -486,6 +489,25 @@ public class AllAppsRecyclerView extends BaseRecyclerView implements LogContaine
		y + mEmptySearchBackground.getIntrinsicHeight());
		}

		private class SpringMotionOnScrollListener extends RecyclerView.OnScrollListener {

		@Override
		public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
		if (mOverScrollHelper.isInOverScroll()) {
		// OverScroll will handle animating the springs.
		return;
		}

		// We only start the spring animation when we hit the top/bottom, to ensure
		// that all of the animations start at the same time.
		if (dy < 0 && !canScrollVertically(-1)) {
		mSpringAnimationHandler.animateToFinalPosition(0, 1);
		} else if (dy > 0 && !canScrollVertically(1)) {
		mSpringAnimationHandler.animateToFinalPosition(0, -1);
		}
		}
		}

		private class OverScrollHelper implements SwipeDetector.Listener {

		private static final float MAX_RELEASE_VELOCITY = 5000; // px / s