Github user sagar15795 commented on a diff in the pull request:
https://github.com/apache/incubator-taverna-mobile/pull/61#discussion_r170987076
--- Diff:
app/src/main/java/org/apache/taverna/mobile/ui/usage/UsageActivity.java ---
@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.taverna.mobile.ui.usage;
+
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.support.v7.widget.Toolbar;
+import android.view.MenuItem;
+
+import org.apache.taverna.mobile.R;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+public class UsageActivity extends AppCompatActivity {
+
+ @BindView(R.id.toolbar)
+ Toolbar mToolbar;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_usage);
+ ButterKnife.bind(this);
+
+ setSupportActionBar(mToolbar);
+ ActionBar actionbar = getSupportActionBar();
+
+ if (actionbar != null) {
+ actionbar.setHomeButtonEnabled(true);
+ actionbar.setDisplayHomeAsUpEnabled(true);
+ actionbar.setTitle(R.string.title_usage);
+ }
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ switch (item.getItemId()) {
+ case android.R.id.home:
+ finish();
--- End diff --
It will be good if you will use [Google
guidelines](https://developer.android.com/training/implementing-navigation/ancestral.html)
for up navigation.
---