Full screen default app fragment

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

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

@@ -0,0 +1,102 @@
+/*
+ * 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.Context;
+import android.content.pm.PackageManager;
+import android.telecom.DefaultDialerManager;
+import android.telecom.TelecomManager;
+import android.text.TextUtils;
+
+import com.android.internal.logging.nano.MetricsProto;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DefaultPhonePicker extends DefaultAppPickerFragment {
+
+    private DefaultKeyUpdater mDefaultKeyUpdater;
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DEFAULT_PHONE_PICKER;
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        mDefaultKeyUpdater = new DefaultKeyUpdater(
+                (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE));
+    }
+
+    @Override
+    protected List<DefaultAppInfo> getCandidates() {
+        final List<DefaultAppInfo> candidates = new ArrayList<>();
+        final List<String> dialerPackages =
+                DefaultDialerManager.getInstalledDialerApplications(getContext(), mUserId);
+        for (String packageName : dialerPackages) {
+            try {
+                candidates.add(new DefaultAppInfo(
+                        mPm.getApplicationInfoAsUser(packageName, 0, mUserId)));
+            } catch (PackageManager.NameNotFoundException e) {
+                // Skip unknown packages.
+            }
+        }
+        return candidates;
+    }
+
+    @Override
+    protected String getDefaultAppKey() {
+        return mDefaultKeyUpdater.getDefaultDialerApplication(getContext(), mUserId);
+    }
+
+    @Override
+    protected String getSystemDefaultAppKey() {
+        return mDefaultKeyUpdater.getSystemDialerPackage();
+    }
+
+    @Override
+    protected boolean setDefaultAppKey(String key) {
+        if (!TextUtils.isEmpty(key) && !TextUtils.equals(key, getDefaultAppKey())) {
+            return mDefaultKeyUpdater.setDefaultDialerApplication(getContext(), key, mUserId);
+        }
+        return false;
+    }
+
+    /**
+     * Wrapper class to handle default phone app update.
+     */
+    static class DefaultKeyUpdater {
+        private final TelecomManager mTelecomManager;
+
+        public DefaultKeyUpdater(TelecomManager telecomManager) {
+            mTelecomManager = telecomManager;
+        }
+
+        public String getSystemDialerPackage() {
+            return mTelecomManager.getSystemDialerPackage();
+        }
+
+        public String getDefaultDialerApplication(Context context, int uid) {
+            return DefaultDialerManager.getDefaultDialerApplication(context, uid);
+        }
+
+        public boolean setDefaultDialerApplication(Context context, String key, int uid) {
+            return DefaultDialerManager.setDefaultDialerApplication(context, key, uid);
+        }
+    }
+}