ChooserTargetServiceCompat.java
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.sharetarget;
import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP_PREFIX;
import android.content.ComponentName;
import android.content.Context;
import android.content.IntentFilter;
import android.os.Bundle;
import android.service.chooser.ChooserTarget;
import android.service.chooser.ChooserTargetService;
import android.util.Log;
import androidx.annotation.RequiresApi;
import androidx.annotation.RestrictTo;
import androidx.core.content.pm.ShortcutInfoCompat;
import androidx.core.content.pm.ShortcutManagerCompat;
import androidx.core.graphics.drawable.IconCompat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* Provides direct share items to the system, by cross checking dynamic shortcuts from
* ShortcutManagerCompat and share target definitions from a Xml resource. Used for backward
* compatibility to push share targets to shortcut manager on older SDKs.
*
* @hide
*/
@RequiresApi(23)
@RestrictTo(LIBRARY_GROUP_PREFIX)
public class ChooserTargetServiceCompat extends ChooserTargetService {
static final String TAG = "ChooserServiceCompat";
@Override
public List<ChooserTarget> onGetChooserTargets(ComponentName targetActivityName,
IntentFilter matchedFilter) {
Context context = getApplicationContext();
ArrayList<ChooserTarget> chooserTargets = new ArrayList<>();
// Retrieve share targets
List<ShareTargetCompat> targets = ShareTargetXmlParser.getShareTargets(context);
List<ShareTargetCompat> matchedTargets = new ArrayList<>();
for (ShareTargetCompat target : targets) {
if (!target.mTargetClass.equals(targetActivityName.getClassName())) {
continue;
}
for (ShareTargetCompat.TargetData data : target.mTargetData) {
if (matchedFilter.hasDataType(data.mMimeType)) {
// Matched at least with one data type (OR operation)
matchedTargets.add(target);
break;
}
}
}
if (matchedTargets.isEmpty()) {
return chooserTargets;
}
// Retrieve shortcuts
ShortcutInfoCompatSaverImpl shortcutSaver = ShortcutInfoCompatSaverImpl.getInstance(
context);
List<ShortcutInfoCompat> shortcuts;
try {
shortcuts = shortcutSaver.getShortcuts();
} catch (Exception e) {
Log.e(TAG, "Failed to retrieve shortcuts: ", e);
return chooserTargets;
}
if (shortcuts == null || shortcuts.isEmpty()) {
return chooserTargets;
}
for (ShortcutInfoCompat shortcut : shortcuts) {
ShareTargetCompat target = null;
for (ShareTargetCompat item : matchedTargets) {
// Shortcut must have all share target categories (AND operation)
if (shortcut.getCategories().containsAll(Arrays.asList(item.mCategories))) {
target = item;
break;
}
}
if (target == null) {
continue;
}
IconCompat icon;
try {
icon = shortcutSaver.getShortcutIcon(shortcut.getId());
} catch (Exception e) {
Log.e(TAG, "Failed to retrieve shortcut icon: ", e);
continue;
}
Bundle extras = new Bundle();
extras.putString(ShortcutManagerCompat.EXTRA_SHORTCUT_ID, shortcut.getId());
chooserTargets.add(new ChooserTarget(
// The name of this target.
shortcut.getShortLabel(),
// The icon to represent this target.
icon != null ? icon.toIcon() : null,
// The ranking score for this target (0.0-1.0); the system will omit items with
// low scores when there are too many Direct Share items.
0.5f,
// The name of the component to be launched if this target is chosen.
new ComponentName(context.getPackageName(), target.mTargetClass),
// The extra values here will be merged into the Intent when this target is
// chosen.
extras));
}
return chooserTargets;
}
}