Full screen default app fragment

Fix: 34280137
Test: make RunSettingsRoboTests
Change-Id: Ib44e39589781d68c7952a2c16a44682791a422f1

src/com/android/settings/applications/defaultapps/DefaultBrowserPicker.java

@@ -0,0 +1,71 @@
+/*
+ * 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.defaultapps;
+
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+
+import com.android.internal.logging.nano.MetricsProto;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Fragment for choosing default browser.
+ */
+public class DefaultBrowserPicker extends DefaultAppPickerFragment {
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DEFAULT_BROWSER_PICKER;
+    }
+
+    @Override
+    protected String getDefaultAppKey() {
+        return mPm.getDefaultBrowserPackageNameAsUser(mUserId);
+    }
+
+    @Override
+    protected boolean setDefaultAppKey(String packageName) {
+        return mPm.setDefaultBrowserPackageNameAsUser(packageName, mUserId);
+    }
+
+    @Override
+    protected List<DefaultAppInfo> getCandidates() {
+        final List<DefaultAppInfo> candidates = new ArrayList<>();
+
+        // Resolve that intent and check that the handleAllWebDataURI boolean is set
+        final List<ResolveInfo> list = mPm.queryIntentActivitiesAsUser(
+                DefaultBrowserPreferenceController.BROWSE_PROBE, PackageManager.MATCH_ALL, mUserId);
+
+        final int count = list.size();
+        for (int i = 0; i < count; i++) {
+            ResolveInfo info = list.get(i);
+            if (info.activityInfo == null || !info.handleAllWebDataURI) {
+                continue;
+            }
+            try {
+                candidates.add(new DefaultAppInfo(
+                        mPm.getApplicationInfoAsUser(info.activityInfo.packageName, 0, mUserId)));
+            } catch (PackageManager.NameNotFoundException e) {
+                // Skip unknown packages.
+            }
+        }
+
+        return candidates;
+    }
+}