Convert PackageManagerHelper to use Dagger

Bug: 372012340
Test: presubmit
Flag: EXEMPT Dagger change
Change-Id: Ic0636fa086c9d846f7b38665a552fc4b2d12faa3
diff --git a/src/com/android/launcher3/dagger/LauncherBaseAppComponent.java b/src/com/android/launcher3/dagger/LauncherBaseAppComponent.java
index ecc5bb2..5d0c44e 100644
--- a/src/com/android/launcher3/dagger/LauncherBaseAppComponent.java
+++ b/src/com/android/launcher3/dagger/LauncherBaseAppComponent.java
@@ -21,6 +21,7 @@
 import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.util.ApiWrapper;
 import com.android.launcher3.util.DaggerSingletonTracker;
+import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.PluginManagerWrapper;
 import com.android.launcher3.util.ScreenOnTracker;
 import com.android.launcher3.util.SettingsCache;
@@ -46,6 +47,7 @@
     SettingsCache getSettingsCache();
     CustomWidgetManager getCustomWidgetManager();
     PluginManagerWrapper getPluginManagerWrapper();
+    PackageManagerHelper getPackageManagerHelper();
 
     /** Builder for LauncherBaseAppComponent. */
     interface Builder {
diff --git a/src/com/android/launcher3/util/PackageManagerHelper.java b/src/com/android/launcher3/util/PackageManagerHelper.java
index e51609a..4b60d98 100644
--- a/src/com/android/launcher3/util/PackageManagerHelper.java
+++ b/src/com/android/launcher3/util/PackageManagerHelper.java
@@ -42,6 +42,9 @@
 import com.android.launcher3.PendingAddItemInfo;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.dagger.ApplicationContext;
+import com.android.launcher3.dagger.LauncherAppSingleton;
+import com.android.launcher3.dagger.LauncherBaseAppComponent;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
@@ -51,16 +54,19 @@
 import java.util.List;
 import java.util.Objects;
 
+import javax.inject.Inject;
+
 /**
  * Utility methods using package manager
  */
-public class PackageManagerHelper implements SafeCloseable{
+@LauncherAppSingleton
+public class PackageManagerHelper {
 
     private static final String TAG = "PackageManagerHelper";
 
     @NonNull
-    public static final MainThreadInitializedObject<PackageManagerHelper> INSTANCE =
-            new MainThreadInitializedObject<>(PackageManagerHelper::new);
+    public static DaggerSingletonObject<PackageManagerHelper> INSTANCE =
+            new DaggerSingletonObject<>(LauncherBaseAppComponent::getPackageManagerHelper);
 
     @NonNull
     private final Context mContext;
@@ -73,17 +79,15 @@
 
     private final String[] mLegacyMultiInstanceSupportedApps;
 
-    public PackageManagerHelper(@NonNull final Context context) {
+    @Inject
+    public PackageManagerHelper(@ApplicationContext final Context context) {
         mContext = context;
         mPm = context.getPackageManager();
         mLauncherApps = Objects.requireNonNull(context.getSystemService(LauncherApps.class));
         mLegacyMultiInstanceSupportedApps = mContext.getResources().getStringArray(
-                R.array.config_appsSupportMultiInstancesSplit);
+                    R.array.config_appsSupportMultiInstancesSplit);
     }
 
-    @Override
-    public void close() { }
-
     /**
      * Returns the installing app package for the given package
      */