Fix force close

code/SensorLogger/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-     package="uk.co.md87.android.sensorlogger" android:versionCode="14" android:versionName="0.2.1">
+     package="uk.co.md87.android.sensorlogger" android:versionCode="15" android:versionName="0.2.2">
     <application android:label="Sensor Logger" android:icon="@drawable/icon">
         <activity android:name=".activities.IntroActivity" android:label="Sensor Logger">
             <intent-filter>
@@ -31,6 +31,7 @@
 
     <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
     <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.VIBRATE"/>
 
     <uses-sdk android:minSdkVersion="3" />
 </manifest>

code/SensorLogger/src/uk/co/md87/android/sensorlogger/ExceptionHandler.java

@@ -0,0 +1,76 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package uk.co.md87.android.sensorlogger;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.lang.Thread.UncaughtExceptionHandler;
+import java.util.ArrayList;
+import java.util.List;
+import org.apache.http.NameValuePair;
+import org.apache.http.client.entity.UrlEncodedFormEntity;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.message.BasicNameValuePair;
+import org.apache.http.protocol.HTTP;
+
+/**
+ *
+ * @author chris
+ */
+public class ExceptionHandler implements UncaughtExceptionHandler {
+
+    private UncaughtExceptionHandler defaultUEH;
+
+    private String url, version, imei;
+
+    /*
+     * if any of the parameters is null, the respective functionality
+     * will not be used
+     */
+    public ExceptionHandler(String url, String version, String imei) {
+        this.url = url;
+        this.version = version;
+        this.imei = imei;
+        this.defaultUEH = Thread.getDefaultUncaughtExceptionHandler();
+    }
+
+    public void uncaughtException(Thread t, Throwable e) {
+        String timestamp = String.valueOf(System.currentTimeMillis());
+        final Writer result = new StringWriter();
+        final PrintWriter printWriter = new PrintWriter(result);
+        e.printStackTrace(printWriter);
+        String stacktrace = result.toString();
+        printWriter.close();
+        String filename = timestamp + ".stacktrace";
+
+        sendToServer(stacktrace, filename);
+
+        defaultUEH.uncaughtException(t, e);
+    }
+
+    private void sendToServer(String stacktrace, String filename) {
+        DefaultHttpClient httpClient = new DefaultHttpClient();
+        HttpPost httpPost = new HttpPost(url);
+
+        httpPost.setHeader("x-application", "SensorLogger-exception");
+        httpPost.setHeader("x-version", version);
+        httpPost.setHeader("x-imei", imei);
+
+        List<NameValuePair> nvps = new ArrayList<NameValuePair>();
+        nvps.add(new BasicNameValuePair("filename", filename));
+        nvps.add(new BasicNameValuePair("stacktrace", stacktrace));
+        try {
+            httpPost.setEntity(
+                    new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
+            httpClient.execute(httpPost);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

code/SensorLogger/src/uk/co/md87/android/sensorlogger/activities/IntroActivity.java

@@ -6,12 +6,15 @@
 package uk.co.md87.android.sensorlogger.activities;
 
 import android.content.Intent;
+import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.Bundle;
 import android.os.RemoteException;
+import android.telephony.TelephonyManager;
 import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
+import uk.co.md87.android.sensorlogger.ExceptionHandler;
 
 import uk.co.md87.android.sensorlogger.R;
 
@@ -26,11 +29,27 @@ public class IntroActivity extends BoundActivity implements OnClickListener {
     public void onCreate(final Bundle icicle) {
         super.onCreate(icicle);
 
+        Thread.setDefaultUncaughtExceptionHandler(
+                new ExceptionHandler("http://chris.smith.name/android/upload",
+                getVersionName(), getIMEI()));
+
         setContentView(R.layout.intro);
 
         ((Button) findViewById(R.id.introstart)).setOnClickListener(this);
     }
 
+    public String getVersionName() {
+        try {
+            return getPackageManager().getPackageInfo(getPackageName(), 0).versionName;
+        } catch (NameNotFoundException ex) {
+            return "Unknown";
+        }
+    }
+
+    public String getIMEI() {
+        return ((TelephonyManager) getSystemService(TELEPHONY_SERVICE)).getDeviceId();
+    }
+
     /** {@inheritDoc} */
     @Override
     public void onClick(final View arg0) {

website/index.html

@@ -45,6 +45,7 @@
       <p>The application provides a link to a web-based portal where users can see a graph of their uploaded data, and the results of the activity detection algorithm will also be surfaced there.</p>
       <h4>Changelog</h4>
       <ul>
+       <li><strong>0.2.1 &rarr; 0.2.2</strong>: Fix force close, add reporting of exceptions</li>
        <li><strong>0.2.0 &rarr; 0.2.1</strong>: Bug fix related to turning display off</li>
        <li><strong>0.1.6 &rarr; 0.2.0</strong>: Near-complete rewrite: much improved UI, classification on device, bug fixes</li>
        <li><strong>0.1.5 &rarr; 0.1.6</strong>: Fix force close on devices that use MEIDs not IMEI numbers</li>