Add header and remove button to account detail page.

- Add account header which contains the account icon and name to the top
  of the account detail page.
- Also add the remove account button to the bottom of the page.

Change-Id: I24f1a17a7f9c4dd8c840a2b0329c0965e4e612e9
Fix: 33543525
Test: make RunSettingsRoboTests

tests/robotests/src/com/android/settings/accounts/RemoveAccountPreferenceControllerTest.java

@@ -0,0 +1,137 @@
+/*
+ * 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.accounts.AccountManager;
+import android.accounts.AccountManagerCallback;
+import android.accounts.AuthenticatorDescription;
+import android.app.Activity;
+import android.app.FragmentManager;
+import android.app.FragmentTransaction;
+import android.content.Context;
+import android.os.Handler;
+import android.os.UserHandle;
+import android.support.v7.preference.PreferenceScreen;
+import android.support.v14.preference.PreferenceFragment;
+import android.widget.Button;
+
+import com.android.settings.AccessiblePreferenceCategory;
+import com.android.settings.R;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.applications.LayoutPreference;
+import com.android.settings.search.SearchIndexableRaw;
+import com.android.settings.testutils.FakeFeatureFactory;
+import com.android.settings.testutils.shadow.ShadowAccountManager;
+import com.android.settings.testutils.shadow.ShadowContentResolver;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowApplication;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Answers.RETURNS_DEEP_STUBS;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class RemoveAccountPreferenceControllerTest {
+
+    private static final String KEY_REMOVE_ACCOUNT = "remove_account";
+    private static final String TAG_REMOVE_ACCOUNT_DIALOG = "confirmRemoveAccount";
+
+    @Mock(answer = RETURNS_DEEP_STUBS)
+    private AccountManager mAccountManager;
+    @Mock(answer = RETURNS_DEEP_STUBS)
+    private PreferenceFragment mFragment;
+    @Mock
+    private PreferenceScreen mScreen;
+    @Mock
+    private FragmentManager mFragmentManager;
+    @Mock
+    private FragmentTransaction mFragmentTransaction;
+    @Mock
+    private LayoutPreference mPreference;
+
+    private Context mContext;
+    private RemoveAccountPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        ShadowApplication shadowContext = ShadowApplication.getInstance();
+        shadowContext.setSystemService(Context.ACCOUNT_SERVICE, mAccountManager);
+        mContext = spy(shadowContext.getApplicationContext());
+
+        when(mFragment.getPreferenceScreen()).thenReturn(mScreen);
+        when(mFragment.getPreferenceManager().getContext()).thenReturn(mContext);
+        when(mFragment.getFragmentManager()).thenReturn(mFragmentManager);
+        when(mFragmentManager.beginTransaction()).thenReturn(mFragmentTransaction);
+        when(mAccountManager.getAuthenticatorTypesAsUser(anyInt())).thenReturn(
+            new AuthenticatorDescription[0]);
+        when(mAccountManager.getAccountsAsUser(anyInt())).thenReturn(new Account[0]);
+        mController = new RemoveAccountPreferenceController(mContext, mFragment);
+    }
+
+    @Test
+    public void displayPreference_shouldAddClickListener() {
+        when(mScreen.findPreference(KEY_REMOVE_ACCOUNT)).thenReturn(mPreference);
+        final Button button = mock(Button.class);
+        when(mPreference.findViewById(R.id.button)).thenReturn(button);
+
+        mController.displayPreference(mScreen);
+
+        verify(button).setOnClickListener(mController);
+    }
+
+    @Test
+    public void onClick_shouldStartConfirmDialog() {
+        when(mFragment.isAdded()).thenReturn(true);
+        mController.onClick(null);
+
+        verify(mFragmentTransaction).add(
+            any(RemoveAccountPreferenceController.ConfirmRemoveAccountDialog.class),
+            eq(TAG_REMOVE_ACCOUNT_DIALOG));
+    }
+
+    @Test
+    @Config(shadows = {ShadowAccountManager.class, ShadowContentResolver.class})
+    public void confirmRemove_shouldRemoveAccount() {
+        when(mFragment.isAdded()).thenReturn(true);
+        Activity activity = mock(Activity.class);
+        when(activity.getSystemService(Context.ACCOUNT_SERVICE)).thenReturn(mAccountManager);
+        when(mFragment.getActivity()).thenReturn(activity);
+
+        Account account = new Account("Account11", "com.acct1");
+        RemoveAccountPreferenceController.ConfirmRemoveAccountDialog dialog =
+            RemoveAccountPreferenceController.ConfirmRemoveAccountDialog.show(mFragment, account);
+
+        dialog.onClick(null, 0);
+        verify(mAccountManager).removeAccountAsUser(eq(account), any(Activity.class),
+            any(AccountManagerCallback.class), any(Handler.class), any(UserHandle.class));
+    }
+}