Rebranding to OpenTracks (code).

src/main/java/de/dennisguse/opentracks/AbstractActivity.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * 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 de.dennisguse.opentracks;
+
+import android.app.ActionBar;
+import android.os.Bundle;
+import android.speech.tts.TextToSpeech;
+import android.view.Menu;
+import android.view.MenuItem;
+
+import androidx.fragment.app.FragmentActivity;
+
+import de.dennisguse.opentracks.util.TrackIconUtils;
+
+/**
+ * @author Jimmy Shih
+ */
+public abstract class AbstractActivity extends FragmentActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Set volume control stream for text to speech
+        setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
+
+        setContentView(getLayoutResId());
+
+        // Configure action bar must be after setContentView
+        if (configureActionBarHomeAsUp()) {
+            ActionBar actionBar = this.getActionBar();
+            if (actionBar != null) {
+                actionBar.setHomeButtonEnabled(true);
+                actionBar.setDisplayHomeAsUpEnabled(true);
+            }
+        }
+    }
+
+    /**
+     * Gets the layout resource id.
+     */
+    protected abstract int getLayoutResId();
+
+    /**
+     * Returns true to configure the action bar home button as the up button (go to previous activity).
+     */
+    protected boolean configureActionBarHomeAsUp() {
+        return true;
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        TrackIconUtils.setMenuIconColor(menu);
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handles actionBar's home menu item (arrow top left corner) and triggers, up navigation to previous activity.
+        if (item.getItemId() == android.R.id.home) {
+            onHomeSelected();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    /**
+     * Callback when the home menu item is selected. E.g., setup the back stack when home is selected.
+     */
+    protected void onHomeSelected() {
+        finish();
+    }
+}