Use entity header on AccountDetailDashboardFragment

Bug: 37669238
Test: make RunSettingsRoboTests
Change-Id: Iaf92730e8c6b5c44cb8eca4525fc931487ce9630

src/com/android/settings/accounts/AccountHeaderPreferenceController.java

@@ -0,0 +1,87 @@
+/*
+ * 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.accounts;
+
+import android.accounts.Account;
+import android.app.Activity;
+import android.app.Fragment;
+import android.content.Context;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.applications.LayoutPreference;
+import com.android.settings.core.PreferenceController;
+import com.android.settings.widget.EntityHeaderController;
+import com.android.settingslib.accounts.AuthenticatorHelper;
+
+import static com.android.settings.accounts.AccountDetailDashboardFragment.KEY_ACCOUNT;
+import static com.android.settings.accounts.AccountDetailDashboardFragment.KEY_USER_HANDLE;
+
+public class AccountHeaderPreferenceController extends PreferenceController {
+
+    private static final String KEY_ACCOUNT_HEADER = "account_header";
+
+    private final Activity mActivity;
+    private final Fragment mHost;
+    private final Account mAccount;
+    private final UserHandle mUserHandle;
+
+    public AccountHeaderPreferenceController(Context context, Activity activity, Fragment host,
+            Bundle args) {
+        super(context);
+        mActivity = activity;
+        mHost = host;
+        if (args != null && args.containsKey(KEY_ACCOUNT)) {
+            mAccount = args.getParcelable(KEY_ACCOUNT);
+        } else {
+            mAccount = null;
+        }
+
+        if (args != null && args.containsKey(KEY_USER_HANDLE)) {
+            mUserHandle = args.getParcelable(KEY_USER_HANDLE);
+        } else {
+            mUserHandle = null;
+        }
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return mAccount != null && mUserHandle != null;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_ACCOUNT_HEADER;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        final LayoutPreference headerPreference =
+                (LayoutPreference) screen.findPreference(KEY_ACCOUNT_HEADER);
+
+        final AuthenticatorHelper helper = new AuthenticatorHelper(mContext, mUserHandle, null);
+
+        EntityHeaderController
+                .newInstance(mActivity, mHost, headerPreference.findViewById(R.id.entity_header))
+                .setLabel(mAccount.name)
+                .setIcon(helper.getDrawableForType(mContext, mAccount.type))
+                .done(mActivity, true /* rebindButtons */);
+    }
+}