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Commit 6dfa3128 authored by Jon Miranda's avatar Jon Miranda
Browse files

Preloads the icon drawable for app open to reduce latency b/w swapping views. 

For app close, we already load the icon as soon as we can.

Bug: 135130011
Change-Id: Ia2c45737cf24d1ab5911b222ae097d7a1f9d6a31
parent 3d6e96d5

quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java

+7 −0
Original line number Diff line number Diff line
@@ -59,6 +59,7 @@ import android.view.View; 
import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;

import com.android.launcher3.allapps.AllAppsTransitionController;

import com.android.launcher3.anim.Interpolators;

import com.android.launcher3.config.FeatureFlags;

import com.android.launcher3.dragndrop.DragLayer;

import com.android.launcher3.shortcuts.DeepShortcutView;

import com.android.launcher3.util.MultiValueAlpha;
@@ -182,6 +183,12 @@ public abstract class QuickstepAppTransitionManagerImpl extends LauncherAppTrans 
        mDeviceProfile = dp;

    }



    @Override

    public boolean supportsAdaptiveIconAnimation() {

        return hasControlRemoteAppTransitionPermission()

                && FeatureFlags.ADAPTIVE_ICON_WINDOW_ANIM.get();

    }



    /**

     * @return ActivityOptions with remote animations that controls how the window of the opening

     *         targets are displayed.

src/com/android/launcher3/LauncherAppTransitionManager.java

+4 −0
Original line number Diff line number Diff line
@@ -51,4 +51,8 @@ public class LauncherAppTransitionManager implements ResourceBasedOverride { 
        }

        return ActivityOptions.makeClipRevealAnimation(v, left, top, width, height);

    }



    public boolean supportsAdaptiveIconAnimation() {

        return false;

    }

}

src/com/android/launcher3/touch/ItemClickHandler.java

+5 −0
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ import com.android.launcher3.folder.Folder; 
import com.android.launcher3.folder.FolderIcon;

import com.android.launcher3.testing.TestProtocol;

import com.android.launcher3.util.PackageManagerHelper;

import com.android.launcher3.views.FloatingIconView;

import com.android.launcher3.widget.PendingAppWidgetHostView;

import com.android.launcher3.widget.WidgetAddFlowHandler;
@@ -259,6 +260,10 @@ public class ItemClickHandler { 
                intent.setPackage(null);

            }

        }

        if (v != null && launcher.getAppTransitionManager().supportsAdaptiveIconAnimation()) {

            // Preload the icon to reduce latency b/w swapping the floating view with the original.

            FloatingIconView.fetchIcon(launcher, v, item, true /* isOpening */);

        }

        launcher.startActivitySafely(v, intent, item, sourceContainer);

    }

}

src/com/android/launcher3/views/FloatingIconView.java

+239 −135

File changed.

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