Full screen default app fragment

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

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

@@ -0,0 +1,70 @@
+/*
+ * 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.ComponentName;
+import android.content.Context;
+import android.telephony.TelephonyManager;
+
+import com.android.internal.telephony.SmsApplication;
+
+import java.util.Collection;
+
+public class DefaultSmsPreferenceController extends DefaultAppPreferenceController {
+
+    public DefaultSmsPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        boolean isRestrictedUser = mUserManager.getUserInfo(mUserId).isRestricted();
+        TelephonyManager tm =
+                (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
+        return !isRestrictedUser && tm.isSmsCapable();
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return "default_sms_app";
+    }
+
+    @Override
+    protected DefaultAppInfo getDefaultAppInfo() {
+        final ComponentName app = SmsApplication.getDefaultSmsApplication(mContext, true);
+        if (app != null) {
+            return new DefaultAppInfo(mUserId, app, null /* summary */);
+        }
+        return null;
+    }
+
+    public static boolean hasSmsPreference(String pkg, Context context) {
+        Collection<SmsApplication.SmsApplicationData> smsApplications =
+                SmsApplication.getApplicationCollection(context);
+        for (SmsApplication.SmsApplicationData data : smsApplications) {
+            if (data.mPackageName.equals(pkg)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static boolean isSmsDefault(String pkg, Context context) {
+        ComponentName appName = SmsApplication.getDefaultSmsApplication(context, true);
+        return appName != null && appName.getPackageName().equals(pkg);
+    }
+}