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Merge "Delay loading All Apps pages until the first time we enter All Apps, making launcher startup faster (5000628)" into ics-mr1

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This commit is contained in:
Michael Jurka
2011-11-14 16:39:23 -08:00
committed by Android (Google) Code Review
parent c6f10b906f 1899a36ab3
commit 182c4d269e
3 changed files with 57 additions and 14 deletions
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47
src/com/android/launcher2/AppsCustomizeTabHost.java
View File

@@ -28,6 +28,7 @@ import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.TabHost;
import android.widget.TabWidget;
import android.widget.TextView;
@@ -49,9 +50,11 @@ public class AppsCustomizeTabHost extends TabHost implements LauncherTransitiona
private AppsCustomizePagedView mAppsCustomizePane;
private boolean mSuppressContentCallback = false;
private FrameLayout mAnimationBuffer;
private LinearLayout mContent;
private boolean mInTransition;
private boolean mResetAfterTransition;
private Animator mLauncherTransition;
public AppsCustomizeTabHost(Context context, AttributeSet attrs) {
super(context, attrs);
@@ -93,6 +96,7 @@ public class AppsCustomizeTabHost extends TabHost implements LauncherTransitiona
mTabsContainer = tabsContainer;
mAppsCustomizePane = appsCustomizePane;
mAnimationBuffer = (FrameLayout) findViewById(R.id.animation_buffer);
mContent = (LinearLayout) findViewById(R.id.apps_customize_content);
if (tabs == null || mAppsCustomizePane == null) throw new Resources.NotFoundException();
// Configure the tabs content factory to return the same paged view (that we change the
@@ -323,21 +327,49 @@ public class AppsCustomizeTabHost extends TabHost implements LauncherTransitiona
}
}
/* LauncherTransitionable overrides */
@Override
public void onLauncherTransitionStart(Launcher l, Animator animation, boolean toWorkspace) {
mInTransition = true;
private void enableAndBuildHardwareLayer() {
// isHardwareAccelerated() checks if we're attached to a window and if that
// window is HW accelerated-- we were sometimes not attached to a window
// and buildLayer was throwing an IllegalStateException
if (animation != null && isHardwareAccelerated()) {
if (isHardwareAccelerated()) {
// Turn on hardware layers for performance
setLayerType(LAYER_TYPE_HARDWARE, null);
// force building the layer at the beginning of the animation, so you don't get a
// blip early in the animation
// force building the layer, so you don't get a blip early in an animation
// when the layer is created layer
buildLayer();
}
}
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
if (mLauncherTransition != null) {
enableAndBuildHardwareLayer();
mLauncherTransition.start();
mLauncherTransition = null;
}
}
/* LauncherTransitionable overrides */
@Override
public boolean onLauncherTransitionStart(Launcher l, Animator animation, boolean toWorkspace) {
mInTransition = true;
boolean delayLauncherTransitionUntilLayout = false;
mLauncherTransition = null;
// if the content wasn't visible before, delay the launcher animation until after a cal
// to layout -- this prevents a blip
if (animation != null) {
if (mContent.getVisibility() == GONE) {
mLauncherTransition = animation;
delayLauncherTransitionUntilLayout = true;
}
mContent.setVisibility(VISIBLE);
if (!delayLauncherTransitionUntilLayout) {
enableAndBuildHardwareLayer();
}
}
if (!toWorkspace && !LauncherApplication.isScreenLarge()) {
mAppsCustomizePane.showScrollingIndicator(false);
}
@@ -345,6 +377,7 @@ public class AppsCustomizeTabHost extends TabHost implements LauncherTransitiona
mAppsCustomizePane.reset();
mResetAfterTransition = false;
}
return delayLauncherTransitionUntilLayout;
}
@Override