diff --git a/Android.mk b/Android.mk
index 349a134d75..503f9aecb3 100644
--- a/Android.mk
+++ b/Android.mk
@@ -208,11 +208,13 @@ LOCAL_STATIC_ANDROID_LIBRARIES := Launcher3CommonDepsLib
LOCAL_SRC_FILES := \
$(call all-java-files-under, src) \
$(call all-java-files-under, quickstep/src) \
- $(call all-java-files-under, go/src)
+ $(call all-java-files-under, go/src) \
+ $(call all-java-files-under, go/quickstep/src)
LOCAL_RESOURCE_DIR := \
$(LOCAL_PATH)/quickstep/res \
- $(LOCAL_PATH)/go/res
+ $(LOCAL_PATH)/go/res \
+ $(LOCAL_PATH)/go/quickstep/res
LOCAL_PROGUARD_FLAG_FILES := proguard.flags
LOCAL_PROGUARD_ENABLED := full
@@ -225,7 +227,7 @@ LOCAL_REQUIRED_MODULES := privapp_whitelist_com.android.launcher3
LOCAL_FULL_LIBS_MANIFEST_FILES := \
$(LOCAL_PATH)/go/AndroidManifest.xml \
- $(LOCAL_PATH)/quickstep/AndroidManifest-launcher.xml \
+ $(LOCAL_PATH)/go/AndroidManifest-launcher.xml \
$(LOCAL_PATH)/AndroidManifest-common.xml
LOCAL_MANIFEST_FILE := quickstep/AndroidManifest.xml
diff --git a/go/AndroidManifest-launcher.xml b/go/AndroidManifest-launcher.xml
new file mode 100644
index 0000000000..2223036a7a
--- /dev/null
+++ b/go/AndroidManifest-launcher.xml
@@ -0,0 +1,71 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/go/quickstep/res/values/config.xml b/go/quickstep/res/values/config.xml
new file mode 100644
index 0000000000..f3767748a5
--- /dev/null
+++ b/go/quickstep/res/values/config.xml
@@ -0,0 +1,18 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/go/quickstep/res/values/strings.xml b/go/quickstep/res/values/strings.xml
new file mode 100644
index 0000000000..fdd8397f36
--- /dev/null
+++ b/go/quickstep/res/values/strings.xml
@@ -0,0 +1,6 @@
+
+
+
+
+ Share App
+
diff --git a/go/quickstep/src/com/android/launcher3/AppSharing.java b/go/quickstep/src/com/android/launcher3/AppSharing.java
new file mode 100644
index 0000000000..b72e71c2b5
--- /dev/null
+++ b/go/quickstep/src/com/android/launcher3/AppSharing.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2020 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 com.android.launcher3;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.View;
+
+import androidx.core.content.FileProvider;
+
+import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.popup.SystemShortcut;
+
+import java.io.File;
+
+/**
+ * Defines the Share system shortcut and its factory.
+ * This shortcut can be added to the app long-press menu on the home screen.
+ * Clicking the button will initiate peer-to-peer sharing of the app.
+ */
+public final class AppSharing {
+ /**
+ * This flag enables this feature. It is defined here rather than in launcher3's FeatureFlags
+ * because it is unique to Go and not toggleable at runtime.
+ */
+ public static final boolean ENABLE_APP_SHARING = true;
+
+ private static final String TAG = "AppSharing";
+ private static final String FILE_PROVIDER_SUFFIX = ".overview.fileprovider";
+ private static final String APP_EXSTENSION = ".apk";
+ private static final String APP_MIME_TYPE = "application/application";
+
+ private final String mSharingComponent;
+
+ private AppSharing(Launcher launcher) {
+ mSharingComponent = launcher.getText(R.string.app_sharing_component).toString();
+ }
+
+ private boolean canShare(ItemInfo info) {
+ /**
+ * TODO: Implement once b/168831749 has been resolved
+ * The implementation should check the validity of the app.
+ * It should also check whether the app is free or paid, returning false in the latter case.
+ * For now, all checks occur in the sharing app.
+ * So, we simply check whether the sharing app is defined.
+ */
+ return !TextUtils.isEmpty(mSharingComponent);
+ }
+
+ private Uri getShareableUri(Context context, String path, String displayName) {
+ String authority = BuildConfig.APPLICATION_ID + FILE_PROVIDER_SUFFIX;
+ File pathFile = new File(path);
+ return FileProvider.getUriForFile(context, authority, pathFile, displayName);
+ }
+
+ private SystemShortcut getShortcut(Launcher launcher, ItemInfo info) {
+ if (!canShare(info)) {
+ return null;
+ }
+
+ return new Share(launcher, info);
+ }
+
+ /**
+ * The Share App system shortcut, used to initiate p2p sharing of a given app
+ */
+ public final class Share extends SystemShortcut {
+ public Share(Launcher target, ItemInfo itemInfo) {
+ super(R.drawable.ic_share, R.string.app_share_drop_target_label, target, itemInfo);
+ }
+
+ @Override
+ public void onClick(View view) {
+ Intent sendIntent = new Intent();
+ sendIntent.setAction(Intent.ACTION_SEND);
+
+ ComponentName targetComponent = mItemInfo.getTargetComponent();
+ if (targetComponent == null) {
+ Log.e(TAG, "Item missing target component");
+ return;
+ }
+ String packageName = targetComponent.getPackageName();
+ PackageManager packageManager = view.getContext().getPackageManager();
+ String sourceDir, appLabel;
+ try {
+ PackageInfo packageInfo = packageManager.getPackageInfo(packageName, 0);
+ sourceDir = packageInfo.applicationInfo.sourceDir;
+ appLabel = packageManager.getApplicationLabel(packageInfo.applicationInfo)
+ .toString() + APP_EXSTENSION;
+ } catch (Exception e) {
+ Log.e(TAG, "Could not find info for package \"" + packageName + "\"");
+ return;
+ }
+ Uri uri = getShareableUri(view.getContext(), sourceDir, appLabel);
+ sendIntent.putExtra(Intent.EXTRA_STREAM, uri);
+ sendIntent.putExtra(Intent.EXTRA_PACKAGE_NAME, packageName);
+
+ sendIntent.setType(APP_MIME_TYPE);
+ sendIntent.setComponent(ComponentName.unflattenFromString(mSharingComponent));
+
+ mTarget.startActivitySafely(view, sendIntent, mItemInfo);
+
+ AbstractFloatingView.closeAllOpenViews(mTarget);
+ }
+ }
+
+ /**
+ * Shortcut factory for generating the Share App button
+ */
+ public static final SystemShortcut.Factory SHORTCUT_FACTORY = (launcher, itemInfo) ->
+ (new AppSharing(launcher)).getShortcut(launcher, itemInfo);
+}
diff --git a/go/quickstep/src/com/android/launcher3/Launcher3QuickStepGo.java b/go/quickstep/src/com/android/launcher3/Launcher3QuickStepGo.java
new file mode 100644
index 0000000000..8bd0fec2de
--- /dev/null
+++ b/go/quickstep/src/com/android/launcher3/Launcher3QuickStepGo.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2020 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 com.android.launcher3;
+
+import com.android.launcher3.popup.SystemShortcut;
+import com.android.launcher3.uioverrides.QuickstepLauncher;
+
+import java.util.stream.Stream;
+
+/**
+ * The Launcher variant used for Android Go Edition
+ */
+public class Launcher3QuickStepGo extends QuickstepLauncher {
+ private static final String TAG = "Launcher3QuickStepGo";
+
+ @Override
+ public Stream getSupportedShortcuts() {
+ Stream shortcuts = super.getSupportedShortcuts();
+
+ if (AppSharing.ENABLE_APP_SHARING) {
+ shortcuts = Stream.concat(shortcuts, Stream.of(AppSharing.SHORTCUT_FACTORY));
+ }
+
+ return shortcuts;
+ }
+}
diff --git a/quickstep/res/xml/overview_file_provider_paths.xml b/quickstep/res/xml/overview_file_provider_paths.xml
index 14d74596e7..07e323609f 100644
--- a/quickstep/res/xml/overview_file_provider_paths.xml
+++ b/quickstep/res/xml/overview_file_provider_paths.xml
@@ -2,4 +2,5 @@
+
\ No newline at end of file