Changes to installed app details screen for instant apps

Bug: 35098444
Test: make RunSettingsRoboTests

This implements the following changes to the app details screen:

-Suppresses the "Uninstall" and "Force Stop" buttons
-Adds "Install app" and "Clear app" buttons
-Adds a mechanism for showing a link to the store's app details
 page that can be different from the default for installed apps.

Change-Id: Icea83f7d1fde62d4101cb0c8a6d03849f6c56bca

src/com/android/settings/applications/instantapps/InstantAppButtonsController.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2017 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.settings.applications.instantapps;
+
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.applications.AppStoreUtil;
+import com.android.settings.overlay.FeatureFactory;
+
+import android.app.Fragment;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+
+/** Encapsulates a container for buttons relevant to instant apps */
+public class InstantAppButtonsController {
+
+    private final Context mContext;
+    private final Fragment mFragment;
+    private final View mView;
+    private String mPackageName;
+
+    public InstantAppButtonsController(Context context, Fragment fragment, View view) {
+      mContext = context;
+      mFragment = fragment;
+      mView = view;
+    }
+
+    public InstantAppButtonsController setPackageName(String packageName) {
+        mPackageName = packageName;
+        return this;
+    }
+
+    public void bindButtons() {
+        Button installButton = (Button)mView.findViewById(R.id.install);
+        Button clearDataButton = (Button)mView.findViewById(R.id.clear_data);
+        Intent installIntent = AppStoreUtil.getAppStoreLink(mContext, mPackageName);
+        if (installIntent != null) {
+            installButton.setEnabled(true);
+            installButton.setOnClickListener(v -> mFragment.startActivity(installIntent));
+        }
+        clearDataButton.setOnClickListener(v -> {
+            FeatureFactory.getFactory(mContext).getMetricsFeatureProvider().action(mContext,
+                    MetricsEvent.ACTION_SETTINGS_CLEAR_INSTANT_APP, mPackageName);
+            PackageManager pm = mContext.getPackageManager();
+            pm.clearApplicationUserData(mPackageName, null);
+        });
+    }
+
+    public InstantAppButtonsController show() {
+        bindButtons();
+        mView.setVisibility(View.VISIBLE);
+        return this;
+    }
+}