MenuActivity.java

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/*
 * Copyright (C) 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.
 */
/*
copyright 2014 UNL Nimbus Lab 

  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 edu.nimbus.glass;


import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.view.Menu;
import android.view.MenuItem;

public class MenuActivity extends Activity {

    private ROSMonitorService.ROSMonitorBinder mService;
    private boolean mResumed;

    
    
    private ServiceConnection mConnection = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            if (service instanceof ROSMonitorService.ROSMonitorBinder) {
                mService = (ROSMonitorService.ROSMonitorBinder) service;
                openOptionsMenu();
            }
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {
            // Do nothing.
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //bind to the service when the menu is created
        bindService(new Intent(this, ROSMonitorService.class), mConnection, 0);
    }

    @Override
    protected void onResume() {
        //open menu when resumed
        super.onResume();
        mResumed = true;
        openOptionsMenu();
    }

    @Override
    protected void onPause() {
        //pause the stuff
        super.onPause();
        mResumed = false;
    }

    @Override
    public void openOptionsMenu() {
        if (mResumed && mService != null) {
                //if we have a service running than start up the menu
            super.openOptionsMenu();
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.stop:
                stopService(new Intent(this, ROSMonitorService.class));
                return true;
            case R.id.remove_card:
                mService.remove_card();
                return true;
            default:
               return super.onOptionsItemSelected(item);
        }
               
        }
    
                
        
   
    
        @Override
    public void onOptionsMenuClosed(Menu menu) {
        super.onOptionsMenuClosed(menu);

        unbindService(mConnection);

        // We must call finish() from this method to ensure that the activity ends either when an
        // item is selected from the menu or when the menu is dismissed by swiping down.
        finish();
    }
}