Using Sentry-Android with a CaptureListener to show if using wifi - Screenshot of success http://i.imgur.com/bZ9qfXA.png

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.joshdholtz.sentry"
    android:versionCode="1"
    android:versionName="1.0" >
    
    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="8" />
    
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.joshdholtz.sentry.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

MainActivity.java

package com.joshdholtz.sentry;

import java.util.HashMap;
import java.util.Map;

import org.json.JSONException;

import com.joshdholtz.sentry.Sentry.SentryEventBuilder;
import com.joshdholtz.sentry.Sentry.SentryEventBuilder.SentryEventLevel;
import com.joshdholtz.sentry.Sentry.SentryEventCaptureListener;

import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;

public class MainActivity extends Activity {

    @Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		// Sentry will look for uncaught exceptions from previous runs and send them        
		Sentry.init(this, "YOUR-DSN");

		// Sets a listener to intercept the SentryEventBuilder before 
		// each capture to set values that could change state
		Sentry.setCaptureListener(new SentryEventCaptureListener() {

			@Override
			public SentryEventBuilder beforeCapture(SentryEventBuilder builder) {

				// Needs permission - <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
				ConnectivityManager connManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
				NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

				// Sets extra key if wifi is connected
				try {
					builder.getExtra().put("wifi", String.valueOf(mWifi.isConnected()));
				} catch (JSONException e) {}

				return builder;
			}

		});

		// Capture event
		Sentry.captureEvent(new Sentry.SentryEventBuilder()
			.setMessage("Being awesome at stuff")
			.setCulprit("Josh D Holtz")
			.setTimestamp(System.currentTimeMillis())
		);

	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.activity_main, menu);
		return true;
	}

}