本文主要是介绍Android14系统go版添加微件功能，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
一般normal版软件自带微件功能，但是go版没有这个功能，但是客户有时会要求也要加上这个微件功能，实现的方法修改如下：
1. frameworks/base
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 24b3fdf64b0f..d805ff07871a 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -4191,7 +4191,7 @@<!-- True if the device requires AppWidgetService even if it does not havethe PackageManager.FEATURE_APP_WIDGETS feature -->
- <bool name="config_enableAppWidgetService">false</bool>
+ <bool name="config_enableAppWidgetService">true</bool><!-- True if the device supports Sustained Performance Mode--><bool name="config_sustainedPerformanceModeSupported">false</bool>2. frameworks/native
diff --git a/data/etc/go_handheld_core_hardware.xml b/data/etc/go_handheld_core_hardware.xml
index ee829728c8..23077cbc82 100644
--- a/data/etc/go_handheld_core_hardware.xml
+++ b/data/etc/go_handheld_core_hardware.xml
@@ -36,6 +36,7 @@<feature name="android.hardware.security.model.compatible" /><!-- basic system services -->
+ <feature name="android.software.app_widgets" /><feature name="android.software.telecom" /><feature name="android.software.backup" /><feature name="android.software.home_screen" />
3. packages/apps/Launcher3
diff --git a/go/src/com/android/launcher3/model/LauncherBinder.java b/go/src/com/android/launcher3/model/LauncherBinder.java
index 437d8caf94..66d9db0c67 100644
--- a/go/src/com/android/launcher3/model/LauncherBinder.java
+++ b/go/src/com/android/launcher3/model/LauncherBinder.java
@@ -20,6 +20,11 @@ import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;import com.android.launcher3.LauncherAppState;import com.android.launcher3.model.BgDataModel.Callbacks;
+import com.android.launcher3.util.ComponentKey;
+import com.android.launcher3.widget.model.WidgetsListBaseEntry;
+
+import java.util.HashMap;
+import java.util.List;/*** Binds the results of {@link com.android.launcher3.model.LoaderTask} to the Callbacks objects.
@@ -33,9 +38,17 @@ public class LauncherBinder extends BaseLauncherBinder {@Overridepublic void bindDeepShortcuts() {
+ final HashMap<ComponentKey, Integer> shortcutMapCopy;
+ synchronized (mBgDataModel) {
+ shortcutMapCopy = new HashMap<>(mBgDataModel.deepShortcutMap);
+ }
+ executeCallbacksTask(c -> c.bindDeepShortcutMap(shortcutMapCopy), mUiExecutor);}@Overridepublic void bindWidgets() {
+ final List<WidgetsListBaseEntry> widgets =
+ mBgDataModel.widgetsModel.getWidgetsListForPicker(mApp.getContext());
+ executeCallbacksTask(c -> c.bindAllWidgets(widgets), mUiExecutor);}}
diff --git a/go/src/com/android/launcher3/model/WidgetsModel.java b/go/src/com/android/launcher3/model/WidgetsModel.java
index 1aa5d03f6d..75df5e5787 100644
--- a/go/src/com/android/launcher3/model/WidgetsModel.java
+++ b/go/src/com/android/launcher3/model/WidgetsModel.java
@@ -16,23 +16,57 @@package com.android.launcher3.model;+import static android.appwidget.AppWidgetProviderInfo.WIDGET_FEATURE_HIDE_FROM_PICKER;
+
+import static com.android.launcher3.pm.ShortcutConfigActivityInfo.queryList;
+import static com.android.launcher3.widget.WidgetSections.NO_CATEGORY;
+
+import static java.util.stream.Collectors.groupingBy;
+import static java.util.stream.Collectors.mapping;
+import static java.util.stream.Collectors.toList;
+
+import android.appwidget.AppWidgetProviderInfo;import android.content.ComponentName;import android.content.Context;
+import android.content.pm.PackageManager;import android.os.UserHandle;
+import android.util.Log;
+import android.util.Pair;import androidx.annotation.Nullable;
+import androidx.collection.ArrayMap;+import com.android.launcher3.AppFilter;
+import com.android.launcher3.InvariantDeviceProfile;import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.compat.AlphabeticIndexCompat;
+import com.android.launcher3.config.FeatureFlags;import com.android.launcher3.icons.ComponentWithLabelAndIcon;
+import com.android.launcher3.icons.IconCache;import com.android.launcher3.model.data.PackageItemInfo;
+import com.android.launcher3.pm.ShortcutConfigActivityInfo;
+import com.android.launcher3.util.IntSet;import com.android.launcher3.util.PackageUserKey;
+import com.android.launcher3.util.Preconditions;
+import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
+import com.android.launcher3.widget.WidgetManagerHelper;
+import com.android.launcher3.widget.WidgetSections;import com.android.launcher3.widget.model.WidgetsListBaseEntry;
+import com.android.launcher3.widget.model.WidgetsListContentEntry;
+import com.android.launcher3.widget.model.WidgetsListHeaderEntry;import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;import java.util.List;import java.util.Map;
+import java.util.Map.Entry;import java.util.Set;
+import java.util.function.Predicate;/*** Widgets data model that is used by the adapters of the widget views and controllers.
@@ -42,10 +76,14 @@ import java.util.Set;public class WidgetsModel {// True is the widget support is disabled.
- public static final boolean GO_DISABLE_WIDGETS = true;
- public static final boolean GO_DISABLE_NOTIFICATION_DOTS = true;
+ public static final boolean GO_DISABLE_WIDGETS = false;
+ public static final boolean GO_DISABLE_NOTIFICATION_DOTS = false;
+
+ private static final String TAG = "WidgetsModel";
+ private static final boolean DEBUG = false;- private static final ArrayList<WidgetsListBaseEntry> EMPTY_WIDGET_LIST = new ArrayList<>();
+ /* Map of widgets and shortcuts that are tracked per package. */
+ private final Map<PackageItemInfo, List<WidgetItem>> mWidgetsList = new HashMap<>();/*** Returns a list of {@link WidgetsListBaseEntry}. All {@link WidgetItem} in a single row are
@@ -56,36 +94,246 @@ public class WidgetsModel {* @see com.android.launcher3.widget.picker.WidgetsListAdapter#setWidgets(List)*/public synchronized ArrayList<WidgetsListBaseEntry> getWidgetsListForPicker(Context context) {
- return EMPTY_WIDGET_LIST;
+ ArrayList<WidgetsListBaseEntry> result = new ArrayList<>();
+ AlphabeticIndexCompat indexer = new AlphabeticIndexCompat(context);
+
+ for (Map.Entry<PackageItemInfo, List<WidgetItem>> entry : mWidgetsList.entrySet()) {
+ PackageItemInfo pkgItem = entry.getKey();
+ List<WidgetItem> widgetItems = entry.getValue();
+ String sectionName = (pkgItem.title == null) ? "" :
+ indexer.computeSectionName(pkgItem.title);
+ result.add(WidgetsListHeaderEntry.create(pkgItem, sectionName, widgetItems));
+ result.add(new WidgetsListContentEntry(pkgItem, sectionName, widgetItems));
+ }
+ return result;}/** Returns a mapping of packages to their widgets without static shortcuts. */public synchronized Map<PackageUserKey, List<WidgetItem>> getAllWidgetsWithoutShortcuts() {
- return Map.of();
+ Map<PackageUserKey, List<WidgetItem>> packagesToWidgets = new HashMap<>();
+ mWidgetsList.forEach((packageItemInfo, widgetsAndShortcuts) -> {
+ List<WidgetItem> widgets = widgetsAndShortcuts.stream()
+ .filter(item -> item.widgetInfo != null)
+ .collect(toList());
+ if (widgets.size() > 0) {
+ packagesToWidgets.put(
+ new PackageUserKey(packageItemInfo.packageName, packageItemInfo.user),
+ widgets);
+ }
+ });
+ return packagesToWidgets;}/*** @param packageUser If null, all widgets and shortcuts are updated and returned, otherwise* only widgets and shortcuts associated with the package/user are.*/
- public List<ComponentWithLabelAndIcon> update(LauncherAppState app,
- @Nullable PackageUserKey packageUser) {
- return Collections.emptyList();
+ public List<ComponentWithLabelAndIcon> update(
+ LauncherAppState app, @Nullable PackageUserKey packageUser) {
+ Preconditions.assertWorkerThread();
+
+ Context context = app.getContext();
+ final ArrayList<WidgetItem> widgetsAndShortcuts = new ArrayList<>();
+ List<ComponentWithLabelAndIcon> updatedItems = new ArrayList<>();
+ try {
+ InvariantDeviceProfile idp = app.getInvariantDeviceProfile();
+ PackageManager pm = app.getContext().getPackageManager();
+
+ // Widgets
+ WidgetManagerHelper widgetManager = new WidgetManagerHelper(context);
+ for (AppWidgetProviderInfo widgetInfo : widgetManager.getAllProviders(packageUser)) {
+ LauncherAppWidgetProviderInfo launcherWidgetInfo =
+ LauncherAppWidgetProviderInfo.fromProviderInfo(context, widgetInfo);
+
+ widgetsAndShortcuts.add(new WidgetItem(
+ launcherWidgetInfo, idp, app.getIconCache(), app.getContext()));
+ updatedItems.add(launcherWidgetInfo);
+ }
+
+ // Shortcuts
+ for (ShortcutConfigActivityInfo info :
+ queryList(context, packageUser)) {
+ widgetsAndShortcuts.add(new WidgetItem(info, app.getIconCache(), pm));
+ updatedItems.add(info);
+ }
+ setWidgetsAndShortcuts(widgetsAndShortcuts, app, packageUser);
+ } catch (Exception e) {
+ if (!FeatureFlags.IS_STUDIO_BUILD && Utilities.isBinderSizeError(e)) {
+ // the returned value may be incomplete and will not be refreshed until the next
+ // time Launcher starts.
+ // TODO: after figuring out a repro step, introduce a dirty bit to check when
+ // onResume is called to refresh the widget provider list.
+ } else {
+ throw e;
+ }
+ }
+
+ return updatedItems;}+ private synchronized void setWidgetsAndShortcuts(ArrayList<WidgetItem> rawWidgetsShortcuts,
+ LauncherAppState app, @Nullable PackageUserKey packageUser) {
+ if (DEBUG) {
+ Log.d(TAG, "addWidgetsAndShortcuts, widgetsShortcuts#=" + rawWidgetsShortcuts.size());
+ }
+
+ // Temporary cache for {@link PackageItemInfos} to avoid having to go through
+ // {@link mPackageItemInfos} to locate the key to be used for {@link #mWidgetsList}
+ PackageItemInfoCache packageItemInfoCache = new PackageItemInfoCache();
+
+ if (packageUser == null) {
+ // Clear the list if this is an update on all widgets and shortcuts.
+ mWidgetsList.clear();
+ } else {
+ // Otherwise, only clear the widgets and shortcuts for the changed package.
+ mWidgetsList.remove(packageItemInfoCache.getOrCreate(packageUser));
+ }
+
+ // add and update.
+ mWidgetsList.putAll(rawWidgetsShortcuts.stream()
+ .filter(new WidgetValidityCheck(app))
+ .flatMap(widgetItem -> getPackageUserKeys(app.getContext(), widgetItem).stream()
+ .map(key -> new Pair<>(packageItemInfoCache.getOrCreate(key), widgetItem)))
+ .collect(groupingBy(pair -> pair.first, mapping(pair -> pair.second, toList()))));
+
+ // Update each package entry
+ IconCache iconCache = app.getIconCache();
+ for (PackageItemInfo p : packageItemInfoCache.values()) {
+ iconCache.getTitleAndIconForApp(p, true /* userLowResIcon */);
+ }
+ }public void onPackageIconsUpdated(Set<String> packageNames, UserHandle user,LauncherAppState app) {
+ for (Entry<PackageItemInfo, List<WidgetItem>> entry : mWidgetsList.entrySet()) {
+ if (packageNames.contains(entry.getKey().packageName)) {
+ List<WidgetItem> items = entry.getValue();
+ int count = items.size();
+ for (int i = 0; i < count; i++) {
+ WidgetItem item = items.get(i);
+ if (item.user.equals(user)) {
+ if (item.activityInfo != null) {
+ items.set(i, new WidgetItem(item.activityInfo, app.getIconCache(),
+ app.getContext().getPackageManager()));
+ } else {
+ items.set(i, new WidgetItem(item.widgetInfo,
+ app.getInvariantDeviceProfile(), app.getIconCache(),
+ app.getContext()));
+ }
+ }
+ }
+ }
+ }}public WidgetItem getWidgetProviderInfoByProviderName(ComponentName providerName, UserHandle user) {
+ List<WidgetItem> widgetsList = mWidgetsList.get(
+ new PackageItemInfo(providerName.getPackageName(), user));
+ if (widgetsList == null) {
+ return null;
+ }
+
+ for (WidgetItem item : widgetsList) {
+ if (item.componentName.equals(providerName)) {
+ return item;
+ }
+ }return null;}/** Returns {@link PackageItemInfo} of a pending widget. */
- public static PackageItemInfo newPendingItemInfo(
- Context context, ComponentName provider, UserHandle userHandle) {
- return new PackageItemInfo(provider.getPackageName(), userHandle);
+ public static PackageItemInfo newPendingItemInfo(Context context, ComponentName provider,
+ UserHandle user) {
+ Map<ComponentName, IntSet> widgetsToCategories =
+ WidgetSections.getWidgetsToCategory(context);
+ if (widgetsToCategories.containsKey(provider)) {
+ Iterator<Integer> categoriesIterator = widgetsToCategories.get(provider).iterator();
+ int firstCategory = NO_CATEGORY;
+ while (categoriesIterator.hasNext() && firstCategory == NO_CATEGORY) {
+ firstCategory = categoriesIterator.next();
+ }
+ return new PackageItemInfo(provider.getPackageName(), firstCategory, user);
+ }
+ return new PackageItemInfo(provider.getPackageName(), user);
+ }
+
+ private List<PackageUserKey> getPackageUserKeys(Context context, WidgetItem item) {
+ Map<ComponentName, IntSet> widgetsToCategories =
+ WidgetSections.getWidgetsToCategory(context);
+ IntSet categories = widgetsToCategories.get(item.componentName);
+ if (categories == null || categories.isEmpty()) {
+ return Arrays.asList(
+ new PackageUserKey(item.componentName.getPackageName(), item.user));
+ }
+ List<PackageUserKey> packageUserKeys = new ArrayList<>();
+ categories.forEach(category -> {
+ if (category == NO_CATEGORY) {
+ packageUserKeys.add(
+ new PackageUserKey(item.componentName.getPackageName(),
+ item.user));
+ } else {
+ packageUserKeys.add(new PackageUserKey(category, item.user));
+ }
+ });
+ return packageUserKeys;
+ }
+
+ private static class WidgetValidityCheck implements Predicate<WidgetItem> {
+
+ private final InvariantDeviceProfile mIdp;
+ private final AppFilter mAppFilter;
+
+ WidgetValidityCheck(LauncherAppState app) {
+ mIdp = app.getInvariantDeviceProfile();
+ mAppFilter = new AppFilter(app.getContext());
+ }
+
+ @Override
+ public boolean test(WidgetItem item) {
+ if (item.widgetInfo != null) {
+ if ((item.widgetInfo.getWidgetFeatures() & WIDGET_FEATURE_HIDE_FROM_PICKER) != 0) {
+ // Widget is hidden from picker
+ return false;
+ }
+
+ // Ensure that all widgets we show can be added on a workspace of this size
+ if (!item.widgetInfo.isMinSizeFulfilled()) {
+ if (DEBUG) {
+ Log.d(TAG, String.format(
+ "Widget %s : can't fit on this device with a grid size: %dx%d",
+ item.componentName, mIdp.numColumns, mIdp.numRows));
+ }
+ return false;
+ }
+ }
+ if (!mAppFilter.shouldShowApp(item.componentName)) {
+ if (DEBUG) {
+ Log.d(TAG, String.format("%s is filtered and not added to the widget tray.",
+ item.componentName));
+ }
+ return false;
+ }
+
+ return true;
+ }
+ }
+
+ private static final class PackageItemInfoCache {
+ private final Map<PackageUserKey, PackageItemInfo> mMap = new ArrayMap<>();
+
+ PackageItemInfo getOrCreate(PackageUserKey key) {
+ PackageItemInfo pInfo = mMap.get(key);
+ if (pInfo == null) {
+ pInfo = new PackageItemInfo(key.mPackageName, key.mWidgetCategory, key.mUser);
+ pInfo.user = key.mUser;
+ mMap.put(key, pInfo);
+ }
+ return pInfo;
+ }
+
+ Collection<PackageItemInfo> values() {
+ return mMap.values();
+ }}}
\ No newline at end of file
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