Merge "List<SliceSpec> -> Set<SliceSpec>" into pi-dev
diff --git a/api/current.txt b/api/current.txt
index 423e0ae..c14a8a7 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -7206,8 +7206,6 @@
 
   public final class Slice implements android.os.Parcelable {
     ctor protected Slice(android.os.Parcel);
-    method public static deprecated android.app.slice.Slice bindSlice(android.content.ContentResolver, android.net.Uri, java.util.List<android.app.slice.SliceSpec>);
-    method public static deprecated android.app.slice.Slice bindSlice(android.content.Context, android.content.Intent, java.util.List<android.app.slice.SliceSpec>);
     method public int describeContents();
     method public java.util.List<java.lang.String> getHints();
     method public java.util.List<android.app.slice.SliceItem> getItems();
@@ -7297,15 +7295,17 @@
   }
 
   public class SliceManager {
-    method public android.app.slice.Slice bindSlice(android.net.Uri, java.util.List<android.app.slice.SliceSpec>);
-    method public android.app.slice.Slice bindSlice(android.content.Intent, java.util.List<android.app.slice.SliceSpec>);
+    method public android.app.slice.Slice bindSlice(android.net.Uri, java.util.Set<android.app.slice.SliceSpec>);
+    method public deprecated android.app.slice.Slice bindSlice(android.net.Uri, java.util.List<android.app.slice.SliceSpec>);
+    method public android.app.slice.Slice bindSlice(android.content.Intent, java.util.Set<android.app.slice.SliceSpec>);
     method public int checkSlicePermission(android.net.Uri, int, int);
     method public java.util.List<android.net.Uri> getPinnedSlices();
-    method public java.util.List<android.app.slice.SliceSpec> getPinnedSpecs(android.net.Uri);
+    method public java.util.Set<android.app.slice.SliceSpec> getPinnedSpecs(android.net.Uri);
     method public java.util.Collection<android.net.Uri> getSliceDescendants(android.net.Uri);
     method public void grantSlicePermission(java.lang.String, android.net.Uri);
     method public android.net.Uri mapIntentToUri(android.content.Intent);
-    method public void pinSlice(android.net.Uri, java.util.List<android.app.slice.SliceSpec>);
+    method public void pinSlice(android.net.Uri, java.util.Set<android.app.slice.SliceSpec>);
+    method public deprecated void pinSlice(android.net.Uri, java.util.List<android.app.slice.SliceSpec>);
     method public void revokeSlicePermission(java.lang.String, android.net.Uri);
     method public void unpinSlice(android.net.Uri);
     field public static final java.lang.String CATEGORY_SLICE = "android.app.slice.category.SLICE";
@@ -7325,7 +7325,8 @@
     method public final int delete(android.net.Uri, java.lang.String, java.lang.String[]);
     method public final java.lang.String getType(android.net.Uri);
     method public final android.net.Uri insert(android.net.Uri, android.content.ContentValues);
-    method public android.app.slice.Slice onBindSlice(android.net.Uri, java.util.List<android.app.slice.SliceSpec>);
+    method public android.app.slice.Slice onBindSlice(android.net.Uri, java.util.Set<android.app.slice.SliceSpec>);
+    method public deprecated android.app.slice.Slice onBindSlice(android.net.Uri, java.util.List<android.app.slice.SliceSpec>);
     method public android.app.PendingIntent onCreatePermissionRequest(android.net.Uri);
     method public java.util.Collection<android.net.Uri> onGetSliceDescendants(android.net.Uri);
     method public android.net.Uri onMapIntentToUri(android.content.Intent);
diff --git a/core/java/android/app/slice/Slice.java b/core/java/android/app/slice/Slice.java
index bf3398a..4336f18 100644
--- a/core/java/android/app/slice/Slice.java
+++ b/core/java/android/app/slice/Slice.java
@@ -21,19 +21,13 @@
 import android.annotation.StringDef;
 import android.app.PendingIntent;
 import android.app.RemoteInput;
-import android.content.ContentResolver;
-import android.content.Context;
-import android.content.IContentProvider;
-import android.content.Intent;
 import android.graphics.drawable.Icon;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.os.RemoteException;
 
 import com.android.internal.util.ArrayUtils;
-import com.android.internal.util.Preconditions;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -575,45 +569,4 @@
         }
         return sb.toString();
     }
-
-    /**
-     * @deprecated TO BE REMOVED.
-     */
-    @Deprecated
-    public static @Nullable Slice bindSlice(ContentResolver resolver,
-            @NonNull Uri uri, @NonNull List<SliceSpec> supportedSpecs) {
-        Preconditions.checkNotNull(uri, "uri");
-        IContentProvider provider = resolver.acquireProvider(uri);
-        if (provider == null) {
-            throw new IllegalArgumentException("Unknown URI " + uri);
-        }
-        try {
-            Bundle extras = new Bundle();
-            extras.putParcelable(SliceProvider.EXTRA_BIND_URI, uri);
-            extras.putParcelableArrayList(SliceProvider.EXTRA_SUPPORTED_SPECS,
-                    new ArrayList<>(supportedSpecs));
-            final Bundle res = provider.call(resolver.getPackageName(), SliceProvider.METHOD_SLICE,
-                    null, extras);
-            Bundle.setDefusable(res, true);
-            if (res == null) {
-                return null;
-            }
-            return res.getParcelable(SliceProvider.EXTRA_SLICE);
-        } catch (RemoteException e) {
-            // Arbitrary and not worth documenting, as Activity
-            // Manager will kill this process shortly anyway.
-            return null;
-        } finally {
-            resolver.releaseProvider(provider);
-        }
-    }
-
-    /**
-     * @deprecated TO BE REMOVED.
-     */
-    @Deprecated
-    public static @Nullable Slice bindSlice(Context context, @NonNull Intent intent,
-            @NonNull List<SliceSpec> supportedSpecs) {
-        return context.getSystemService(SliceManager.class).bindSlice(intent, supportedSpecs);
-    }
 }
diff --git a/core/java/android/app/slice/SliceManager.java b/core/java/android/app/slice/SliceManager.java
index 3b73174..dc09f12 100644
--- a/core/java/android/app/slice/SliceManager.java
+++ b/core/java/android/app/slice/SliceManager.java
@@ -40,6 +40,7 @@
 import android.os.ServiceManager;
 import android.os.ServiceManager.ServiceNotFoundException;
 import android.os.UserHandle;
+import android.util.ArraySet;
 import android.util.Log;
 
 import com.android.internal.util.Preconditions;
@@ -49,6 +50,7 @@
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+import java.util.Set;
 
 /**
  * Class to handle interactions with {@link Slice}s.
@@ -126,7 +128,7 @@
      * @see Intent#ACTION_ASSIST
      * @see Intent#CATEGORY_HOME
      */
-    public void pinSlice(@NonNull Uri uri, @NonNull List<SliceSpec> specs) {
+    public void pinSlice(@NonNull Uri uri, @NonNull Set<SliceSpec> specs) {
         try {
             mService.pinSlice(mContext.getPackageName(), uri,
                     specs.toArray(new SliceSpec[specs.size()]), mToken);
@@ -136,6 +138,14 @@
     }
 
     /**
+     * @deprecated TO BE REMOVED
+     */
+    @Deprecated
+    public void pinSlice(@NonNull Uri uri, @NonNull List<SliceSpec> specs) {
+        pinSlice(uri, new ArraySet<>(specs));
+    }
+
+    /**
      * Remove a pin for a slice.
      * <p>
      * If the slice has no other pins/callbacks then the slice will be unpinned.
@@ -175,9 +185,10 @@
      * into account all clients and returns only specs supported by all.
      * @see SliceSpec
      */
-    public @NonNull List<SliceSpec> getPinnedSpecs(Uri uri) {
+    public @NonNull Set<SliceSpec> getPinnedSpecs(Uri uri) {
         try {
-            return Arrays.asList(mService.getPinnedSpecs(uri, mContext.getPackageName()));
+            return new ArraySet<>(Arrays.asList(mService.getPinnedSpecs(uri,
+                    mContext.getPackageName())));
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -226,7 +237,7 @@
      * @return The Slice provided by the app or null if none is given.
      * @see Slice
      */
-    public @Nullable Slice bindSlice(@NonNull Uri uri, @NonNull List<SliceSpec> supportedSpecs) {
+    public @Nullable Slice bindSlice(@NonNull Uri uri, @NonNull Set<SliceSpec> supportedSpecs) {
         Preconditions.checkNotNull(uri, "uri");
         ContentResolver resolver = mContext.getContentResolver();
         try (ContentProviderClient provider = resolver.acquireContentProviderClient(uri)) {
@@ -251,6 +262,14 @@
     }
 
     /**
+     * @deprecated TO BE REMOVED
+     */
+    @Deprecated
+    public @Nullable Slice bindSlice(@NonNull Uri uri, @NonNull List<SliceSpec> supportedSpecs) {
+        return bindSlice(uri, new ArraySet<>(supportedSpecs));
+    }
+
+    /**
      * Turns a slice intent into a slice uri. Expects an explicit intent.
      * <p>
      * This goes through a several stage resolution process to determine if any slice
@@ -337,7 +356,7 @@
      * @see Intent
      */
     public @Nullable Slice bindSlice(@NonNull Intent intent,
-            @NonNull List<SliceSpec> supportedSpecs) {
+            @NonNull Set<SliceSpec> supportedSpecs) {
         Preconditions.checkNotNull(intent, "intent");
         Preconditions.checkArgument(intent.getComponent() != null || intent.getPackage() != null
                 || intent.getData() != null,
diff --git a/core/java/android/app/slice/SliceProvider.java b/core/java/android/app/slice/SliceProvider.java
index fe5742d..d369272 100644
--- a/core/java/android/app/slice/SliceProvider.java
+++ b/core/java/android/app/slice/SliceProvider.java
@@ -44,6 +44,7 @@
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+import java.util.Set;
 
 /**
  * A SliceProvider allows an app to provide content to be displayed in system spaces. This content
@@ -197,6 +198,14 @@
      * @see {@link Slice}.
      * @see {@link Slice#HINT_PARTIAL}
      */
+    public Slice onBindSlice(Uri sliceUri, Set<SliceSpec> supportedSpecs) {
+        return onBindSlice(sliceUri, new ArrayList<>(supportedSpecs));
+    }
+
+    /**
+     * @deprecated TO BE REMOVED
+     */
+    @Deprecated
     public Slice onBindSlice(Uri sliceUri, List<SliceSpec> supportedSpecs) {
         return null;
     }