ui/actionbar/DoneBar/DoneBar/src/main/java/com/example/android/donebar/DoneButtonActivity.java

/*
 * Copyright 2013 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.example.android.donebar;

import android.app.ActionBar;
import android.app.Activity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;

/**
 * A sample activity demonstrating the "done button" alternative action bar presentation. For a more
 * detailed description see {@link R.string.done_button_description}.
 */
public class DoneButtonActivity extends Activity {
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // BEGIN_INCLUDE (inflate_set_custom_view)
        // Inflate a "Done" custom action bar view to serve as the "Up" affordance.
        final LayoutInflater inflater = (LayoutInflater) getActionBar().getThemedContext()
                .getSystemService(LAYOUT_INFLATER_SERVICE);
        final View customActionBarView = inflater.inflate(
                R.layout.actionbar_custom_view_done, null);
        customActionBarView.findViewById(R.id.actionbar_done).setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        // "Done"
                        finish();
                    }
                });

        // Show the custom action bar view and hide the normal Home icon and title.
        final ActionBar actionBar = getActionBar();
        actionBar.setDisplayOptions(
                ActionBar.DISPLAY_SHOW_CUSTOM,
                ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_SHOW_HOME
                        | ActionBar.DISPLAY_SHOW_TITLE);
        actionBar.setCustomView(customActionBarView);
        // END_INCLUDE (inflate_set_custom_view)

        setContentView(R.layout.activity_done_button);
    }

    // BEGIN_INCLUDE (handle_cancel)
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        super.onCreateOptionsMenu(menu);
        getMenuInflater().inflate(R.menu.cancel, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.cancel:
                // "Cancel"
                finish();
                return true;
        }
        return super.onOptionsItemSelected(item);
    }
    // END_INCLUDE (handle_cancel)
}