Android Open Source - netinfo Net Info Activity

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2011 David Simmons/*from w ww .ja  v  a 2  s. c  o m*/
 * http://cafbit.com/
 *
 * 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.cafbit.netinfo;

import java.util.List;

import com.cafbit.netlib.InterfaceInfo;
import com.cafbit.netlib.NetUtil;
import com.cafbit.netlib.NetUtil.NetInfoException;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.text.method.ScrollingMovementMethod;
import android.text.util.Linkify;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;
import android.widget.TextView;

public class NetInfoActivity extends Activity {

    public static final String TAG = "NetInfo";
    
    private ListView listView;
    private NetUtil netUtil;
    
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        listView = new ListView(this);
        setContentView(listView);
        
        netUtil = new NetUtil(this);
    }
    
    @Override
    protected void onResume() {
        super.onResume();
        scan();
    }
    
    @Override
    protected void onPause() {
        super.onPause();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.options_menu, menu);
        return true;
    }
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle item selection
        switch (item.getItemId()) {
        case R.id.about:
            about();
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    private void scan() {
        // fetch interface information
        List<InterfaceInfo> interfaces;
        try {
            interfaces = netUtil.getNetworkInformation();
        } catch (NetInfoException e) {
            Log.e(TAG, "error: "+e.getMessage(), e);
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder
                .setTitle("Error")
                .setMessage(e.getMessage())
                .setCancelable(false)
                .setNeutralButton("OK", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int id) {
                        NetInfoActivity.this.finish();
                    }
                });
            AlertDialog alert = builder.create();
            alert.show();
            return;
        }
        
        InterfaceInfoAdapter adapter = new InterfaceInfoAdapter(this, interfaces);
        listView.setAdapter(adapter);
    }
    
    private void about() {
        LayoutInflater factory = LayoutInflater.from(this);
        View view = factory.inflate(R.layout.about,null);
        TextView urlView = (TextView) view.findViewById(R.id.about_url);
        Linkify.addLinks(urlView, Linkify.WEB_URLS);
        TextView descriptionView = (TextView) view.findViewById(R.id.about_description);
        descriptionView.setMovementMethod(new ScrollingMovementMethod());

        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder
            .setTitle("About")
            .setIcon(android.R.drawable.ic_dialog_info)
            .setView(view)
            .setCancelable(false)
            .setNeutralButton("OK", null);
        AlertDialog alert = builder.create();
        alert.show();
    }
}

Java Source Code List

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