Java PackageItemInfo类代码示例

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
/**
 * Applies the item info if it is same as what the view is pointing to currently.
 */
public void reapplyItemInfo(final ItemInfo info) {
    if (getTag() == info) {
        FastBitmapDrawable.State prevState = FastBitmapDrawable.State.NORMAL;
        if (mIcon instanceof FastBitmapDrawable) {
            prevState = ((FastBitmapDrawable) mIcon).getCurrentState();
        }
        mIconLoadRequest = null;
        mDisableRelayout = true;

        if (info instanceof AppInfo) {
            applyFromApplicationInfo((AppInfo) info);
        } else if (info instanceof ShortcutInfo) {
            applyFromShortcutInfo((ShortcutInfo) info,
                    LauncherAppState.getInstance().getIconCache());
            if ((info.rank < FolderIcon.NUM_ITEMS_IN_PREVIEW) && (info.container >= 0)) {
                View folderIcon =
                        mLauncher.getWorkspace().getHomescreenIconByItemId(info.container);
                if (folderIcon != null) {
                    folderIcon.invalidate();
                }
            }
        } else if (info instanceof PackageItemInfo) {
            applyFromPackageItemInfo((PackageItemInfo) info);
        }

        // If we are reapplying over an old icon, then we should update the new icon to the same
        // state as the old icon
        if (mIcon instanceof FastBitmapDrawable) {
            ((FastBitmapDrawable) mIcon).setState(prevState);
        }

        mDisableRelayout = false;
    }
}
 

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
/**
 * Maps the touch (from 0..1) to the adapter position that should be visible.
 */
@Override
public String scrollToPositionAtProgress(float touchFraction) {
    // Skip early if widgets are not bound.
    if (isModelNotReady()) {
        return "";
    }

    // Stop the scroller if it is scrolling
    stopScroll();

    int rowCount = mWidgets.getPackageSize();
    float pos = rowCount * touchFraction;
    int availableScrollHeight = getAvailableScrollHeight();
    LinearLayoutManager layoutManager = ((LinearLayoutManager) getLayoutManager());
    layoutManager.scrollToPositionWithOffset(0, (int) -(availableScrollHeight * touchFraction));

    int posInt = (int) ((touchFraction == 1)? pos -1 : pos);
    PackageItemInfo p = mWidgets.getPackageItemInfo(posInt);
    return p.titleSectionName;
}
 

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
/**
 * Applies the item info if it is same as what the view is pointing to currently.
 */
public void reapplyItemInfo(final ItemInfo info) {
    if (getTag() == info) {
        mIconLoadRequest = null;
        mDisableRelayout = true;
        if (info instanceof AppInfo) {
            applyFromApplicationInfo((AppInfo) info);
        } else if (info instanceof ShortcutInfo) {
            applyFromShortcutInfo((ShortcutInfo) info,
                    LauncherAppState.getInstance().getIconCache());
            if ((info.rank < FolderIcon.NUM_ITEMS_IN_PREVIEW) && (info.container >= 0)) {
                View folderIcon =
                        mLauncher.getWorkspace().getHomescreenIconByItemId(info.container);
                if (folderIcon != null) {
                    folderIcon.invalidate();
                }
            }
        } else if (info instanceof PackageItemInfo) {
            applyFromPackageItemInfo((PackageItemInfo) info);
        }
        mDisableRelayout = false;
    }
}
 

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
@Override
public String scrollToSection(String sectionName) {
    // Skip early if widgets are not bound.
    if (mWidgets == null) {
        return "";
    }

    // Skip early if there are no widgets.
    int rowCount = mWidgets.getPackageSize();
    if (rowCount == 0) {
        return "";
    }
    for (int i = 0; i < rowCount; i++) {
        PackageItemInfo packageItemInfo = mWidgets.getPackageItemInfo(i);
        if (packageItemInfo != null && !TextUtils.isEmpty(packageItemInfo.titleSectionName) &&
                packageItemInfo.titleSectionName.equals(sectionName)) {
            LinearLayoutManager layoutManager = ((LinearLayoutManager) getLayoutManager());
            layoutManager.smoothScrollToPosition(this, null, i);
            return packageItemInfo.titleSectionName;
        }
    }
    return null;
}
 

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
/**
 * Fetches high-res icon for the provided ItemInfo and updates the caller when done.
 * @return a request ID that can be used to cancel the request.
 */
public IconLoadRequest updateIconInBackground(final BubbleTextView caller, final ItemInfo info) {
    Runnable request = new Runnable() {

        @Override
        public void run() {
            if (info instanceof AppInfo) {
                getTitleAndIcon((AppInfo) info, null, false);
            } else if (info instanceof ShortcutInfo) {
                ShortcutInfo st = (ShortcutInfo) info;
                getTitleAndIcon(st,
                        st.promisedIntent != null ? st.promisedIntent : st.intent,
                        st.user, false);
            } else if (info instanceof PackageItemInfo) {
                PackageItemInfo pti = (PackageItemInfo) info;
                getTitleAndIconForApp(pti, false);
            }
            mMainThreadExecutor.execute(new Runnable() {

                @Override
                public void run() {
                    caller.reapplyItemInfo(info);
                }
            });
        }
    };
    mWorkerHandler.post(request);
    return new IconLoadRequest(request, mWorkerHandler);
}
 

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
/**
 * Fill in {@param infoInOut} with the corresponding icon and label.
 */
public synchronized void getTitleAndIconForApp(
        PackageItemInfo infoInOut, boolean useLowResIcon) {
    CacheEntry entry = getEntryForPackageLocked(
            infoInOut.packageName, infoInOut.user, useLowResIcon);
    infoInOut.title = Utilities.trim(entry.title);
    infoInOut.contentDescription = entry.contentDescription;
    infoInOut.iconBitmap = getNonNullIcon(entry, infoInOut.user);
    infoInOut.usingLowResIcon = entry.isLowResIcon;
}
 

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
public void applyFromPackageItemInfo(PackageItemInfo info) {
    applyIconAndLabel(info.iconBitmap, info);
    // We don't need to check the info since it's not a ShortcutInfo
    super.setTag(info);

    // Verify high res immediately
    verifyHighRes();
}
 

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
/**
 * Fetches high-res icon for the provided ItemInfo and updates the caller when done.
 * @return a request ID that can be used to cancel the request.
 */
public IconLoadRequest updateIconInBackground(final BubbleTextView caller, final ItemInfo info) {
    Runnable request = new Runnable() {

        @Override
        public void run() {
            if (info instanceof AppInfo) {
                getTitleAndIcon((AppInfo) info, null, false);
            } else if (info instanceof ShortcutInfo) {
                ShortcutInfo st = (ShortcutInfo) info;
                getTitleAndIcon(st,
                        st.promisedIntent != null ? st.promisedIntent : st.intent,
                        st.user, false);
            } else if (info instanceof PackageItemInfo) {
                PackageItemInfo pti = (PackageItemInfo) info;
                getTitleAndIconForApp(pti.packageName, pti.user, false, pti);
            }
            mMainThreadExecutor.execute(new Runnable() {

                @Override
                public void run() {
                    caller.reapplyItemInfo(info);
                }
            });
        }
    };
    mWorkerHandler.post(request);
    return new IconLoadRequest(request, mWorkerHandler);
}
 

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
/**
 * Fill in {@param appInfo} with the icon and label for {@param packageName}
 */
public synchronized void getTitleAndIconForApp(
        String packageName, UserHandleCompat user, boolean useLowResIcon,
        PackageItemInfo infoOut) {
    CacheEntry entry = getEntryForPackageLocked(packageName, user, useLowResIcon);
    infoOut.iconBitmap = getNonNullIcon(entry, user);
    infoOut.title = Utilities.trim(entry.title);
    infoOut.usingLowResIcon = entry.isLowResIcon;
    infoOut.contentDescription = entry.contentDescription;
}
 

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
public void applyFromPackageItemInfo(PackageItemInfo info) {
    setIcon(mLauncher.createIconDrawable(info.iconBitmap), mIconSize);
    setText(info.title);
    if (info.contentDescription != null) {
        setContentDescription(info.contentDescription);
    }
    // We don't need to check the info since it's not a ShortcutInfo
    super.setTag(info);

    // Verify high res immediately
    verifyHighRes();
}
 

import com.android.launcher3.model.PackageItemInfo; //导入依赖的package包/类
/**
 * Maps the touch (from 0..1) to the adapter position that should be visible.
 */
@Override
public String scrollToPositionAtProgress(float touchFraction) {
    // Skip early if widgets are not bound.
    if (mWidgets == null) {
        return "";
    }

    // Skip early if there are no widgets.
    int rowCount = mWidgets.getPackageSize();
    if (rowCount == 0) {
        return "";
    }

    // Stop the scroller if it is scrolling
    stopScroll();

    getCurScrollState(mScrollPosState);
    float pos = rowCount * touchFraction;
    int availableScrollHeight = getAvailableScrollHeight(rowCount, mScrollPosState.rowHeight);
    LinearLayoutManager layoutManager = ((LinearLayoutManager) getLayoutManager());
    layoutManager.scrollToPositionWithOffset(0, (int) -(availableScrollHeight * touchFraction));

    int posInt = (int) ((touchFraction == 1)? pos -1 : pos);
    PackageItemInfo p = mWidgets.getPackageItemInfo(posInt);
    return p.titleSectionName;
}