Added crash reports and user feedback via email.

This is done by the usage of the library ACRA.
Crash reports will now be send to a php script that will send the report via email to me.
I also added a dialog for sending feedback (about wrong exercises).

app/.classpath

@@ -5,5 +5,6 @@
 	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
 	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
 	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.DEPENDENCIES"/>
+	<classpathentry kind="lib" path="libs/acra-4.5.0.jar"/>
 	<classpathentry kind="output" path="bin/classes"/>
 </classpath>

app/AndroidManifest.xml

@@ -18,7 +18,7 @@
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
         android:largeHeap="true"
-        android:theme="@style/Theme.AppCompat.Light.DarkActionBar" >
+        android:theme="@style/Theme.AppCompat.Light.DarkActionBar" android:name="de.skubware.opentraining.activity.acra.OpenTrainingApplication">
         <activity
             android:name="de.skubware.opentraining.activity.MainActivity"
             android:label="@string/app_name">
@@ -94,7 +94,12 @@
             android:label="@string/create_exercise_activity_title"
             android:icon="@drawable/icon_dumbbell" >
         </activity>
-
+		<activity android:name="org.acra.CrashReportDialog"
+        	android:theme="@android:style/Theme.Dialog"
+        	android:launchMode="singleInstance"
+        	android:excludeFromRecents="true"
+        	android:finishOnTaskLaunch="true" />
+
         <service android:enabled="true" android:name="de.skubware.opentraining.activity.settings.sync.OpenTrainingSyncService" />
 
     </application>

app/res/layout/dialog_send_exercise_feedback.xml

@@ -0,0 +1,51 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/my_frame"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical" >
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" >
+
+        <TextView
+            android:id="@+id/textView1"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:text="Issue:"
+            android:textAppearance="?android:attr/textAppearanceLarge" />
+
+        <Spinner
+            android:id="@+id/exercise_update_reason_spinner"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentTop="true"
+            android:layout_toRightOf="@+id/textView1" />
+
+    </RelativeLayout>
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" >
+
+        <TextView
+            android:id="@+id/textView2"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Your suggestion:"
+            android:textAppearance="?android:attr/textAppearanceLarge" />
+
+    </RelativeLayout>
+
+    <EditText
+        android:id="@+id/edittext_user_suggestion"
+        android:layout_width="match_parent"
+        android:layout_height="163dp"
+        android:ems="10"
+        android:inputType="textMultiLine" >
+
+        <requestFocus />
+    </EditText>
+
+</LinearLayout>

app/res/menu/exercise_detail_menu.xml

@@ -22,4 +22,10 @@
         android:visible="false" 
         android:title="@string/delete_exercise"
         yourapp:showAsAction="never"/>
+
+        <item
+        android:id="@+id/menu_item_send_exercise_feedback"
+        android:visible="false" 
+        android:title="@string/send_exercise_feedback"
+        yourapp:showAsAction="never"/>
 </menu>

app/res/values-de/strings_send_feedback.xml

@@ -0,0 +1,16 @@
+<resources>
+
+    <!-- exercise detail menu -->
+   	<string name="send_exercise_feedback">Fehler melden</string>
+
+
+    <!-- SendExerciseFeedbackDialog -->
+    <string name="send_feedback_for_exercise">Feedback zu: %1$s</string>
+
+    <!-- ACRA crash report dialog -->
+   	<string name="crash_dialog_text">Ein unerwarteter Fehler brachte die Anwendung leider zum Absturz. Bitte hilf bei der Fehlerbehebung indem du uns die Fehlerdaten mit \'OK\' zusendest.</string>
+    <string name="crash_dialog_comment_prompt">Du kannst zusätzlich noch einen Kommentar zu dem Fehler hinzufügen:</string>
+   	<string name="crash_dialog_ok_toast">Der Fehlerbericht wurde gesendet. Vielen Dank für die Mithilfe.</string>
+
+
+</resources>

app/res/values/strings_send_feedback.xml

@@ -0,0 +1,16 @@
+<resources>
+
+    <!-- exercise detail menu -->
+   	<string name="send_exercise_feedback">Report error</string>
+
+
+    <!-- SendExerciseFeedbackDialog -->
+    <string name="send_feedback_for_exercise">Feedback for: %1$s</string>
+
+    <!-- ACRA crash report dialog -->
+   	<string name="crash_dialog_text">An unexpected error occurred forcing the application to stop. Please help by sending us error date by clicking \'OK\'.</string>
+    <string name="crash_dialog_comment_prompt">You might add your comments abouth the problem below:</string>
+   	<string name="crash_dialog_ok_toast">Report has been sent. Thank you for helping.</string>
+
+
+</resources>

app/src/de/skubware/opentraining/activity/acra/ACRACrashReportMailer.java

@@ -0,0 +1,129 @@
+package de.skubware.opentraining.activity.acra;
+
+import java.math.BigInteger;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import org.acra.collector.CrashReportData;
+import org.acra.ReportField;
+import org.acra.sender.ReportSender;
+import org.acra.sender.ReportSenderException;
+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;
+
+import android.util.Log;
+
+/** 
+ * Based on acra-mailer(https://github.com/d-a-n/acra-mailer) of d-a-n. 
+ */
+public class ACRACrashReportMailer implements ReportSender {
+	private final static String BASE_URL = "http://skubware.de/opentraining/acra_crash.php";
+	private final static String SHARED_SECRET = "my_on_github_with_everyone_shared_secret";
+	private Map<String, String> custom_data = null;
+
+	public ACRACrashReportMailer() {
+	}
+
+	public ACRACrashReportMailer(HashMap<String, String> custom_data) {
+		this.custom_data = custom_data;
+	}
+
+	@Override
+	public void send(CrashReportData report) throws ReportSenderException {
+
+		String url = getUrl();
+		Log.e("xenim", url);
+
+		try {
+			DefaultHttpClient httpClient = new DefaultHttpClient();
+			HttpPost httpPost = new HttpPost(url);
+
+			List<NameValuePair> parameters = new ArrayList<NameValuePair>();
+
+			if (custom_data != null) {
+				for (Map.Entry<String, String> entry : custom_data.entrySet()) {
+					parameters.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
+				}
+			}
+			parameters.add(new BasicNameValuePair("DATE", new Date().toString()));
+			parameters.add(new BasicNameValuePair("REPORT_ID", report.get(ReportField.REPORT_ID)));
+			parameters.add(new BasicNameValuePair("APP_VERSION_CODE", report.get(ReportField.APP_VERSION_CODE)));
+			parameters.add(new BasicNameValuePair("APP_VERSION_NAME", report.get(ReportField.APP_VERSION_NAME)));
+			parameters.add(new BasicNameValuePair("PACKAGE_NAME", report.get(ReportField.PACKAGE_NAME)));
+			parameters.add(new BasicNameValuePair("FILE_PATH", report.get(ReportField.FILE_PATH)));
+			parameters.add(new BasicNameValuePair("PHONE_MODEL", report.get(ReportField.PHONE_MODEL)));
+			parameters.add(new BasicNameValuePair("ANDROID_VERSION", report.get(ReportField.ANDROID_VERSION)));
+			parameters.add(new BasicNameValuePair("BUILD", report.get(ReportField.BUILD)));
+			parameters.add(new BasicNameValuePair("BRAND", report.get(ReportField.BRAND)));
+			parameters.add(new BasicNameValuePair("PRODUCT", report.get(ReportField.PRODUCT)));
+			parameters.add(new BasicNameValuePair("TOTAL_MEM_SIZE", report.get(ReportField.TOTAL_MEM_SIZE)));
+			parameters.add(new BasicNameValuePair("AVAILABLE_MEM_SIZE", report.get(ReportField.AVAILABLE_MEM_SIZE)));
+			parameters.add(new BasicNameValuePair("CUSTOM_DATA", report.get(ReportField.CUSTOM_DATA)));
+			parameters.add(new BasicNameValuePair("STACK_TRACE", report.get(ReportField.STACK_TRACE)));
+			parameters.add(new BasicNameValuePair("INITIAL_CONFIGURATION", report.get(ReportField.INITIAL_CONFIGURATION)));
+			parameters.add(new BasicNameValuePair("CRASH_CONFIGURATION", report.get(ReportField.CRASH_CONFIGURATION)));
+			parameters.add(new BasicNameValuePair("DISPLAY", report.get(ReportField.DISPLAY)));
+			parameters.add(new BasicNameValuePair("USER_COMMENT", report.get(ReportField.USER_COMMENT)));
+			parameters.add(new BasicNameValuePair("USER_APP_START_DATE", report.get(ReportField.USER_APP_START_DATE)));
+			parameters.add(new BasicNameValuePair("USER_CRASH_DATE", report.get(ReportField.USER_CRASH_DATE)));
+			parameters.add(new BasicNameValuePair("DUMPSYS_MEMINFO", report.get(ReportField.DUMPSYS_MEMINFO)));
+			parameters.add(new BasicNameValuePair("DROPBOX", report.get(ReportField.DROPBOX)));
+			parameters.add(new BasicNameValuePair("LOGCAT", report.get(ReportField.LOGCAT)));
+			parameters.add(new BasicNameValuePair("EVENTSLOG", report.get(ReportField.EVENTSLOG)));
+			parameters.add(new BasicNameValuePair("RADIOLOG", report.get(ReportField.RADIOLOG)));
+			parameters.add(new BasicNameValuePair("IS_SILENT", report.get(ReportField.IS_SILENT)));
+			parameters.add(new BasicNameValuePair("DEVICE_ID", report.get(ReportField.DEVICE_ID)));
+			parameters.add(new BasicNameValuePair("INSTALLATION_ID", report.get(ReportField.INSTALLATION_ID)));
+			parameters.add(new BasicNameValuePair("USER_EMAIL", report.get(ReportField.USER_EMAIL)));
+			parameters.add(new BasicNameValuePair("DEVICE_FEATURES", report.get(ReportField.DEVICE_FEATURES)));
+			parameters.add(new BasicNameValuePair("ENVIRONMENT", report.get(ReportField.ENVIRONMENT)));
+			parameters.add(new BasicNameValuePair("SETTINGS_SYSTEM", report.get(ReportField.SETTINGS_SYSTEM)));
+			parameters.add(new BasicNameValuePair("SETTINGS_SECURE", report.get(ReportField.SETTINGS_SECURE)));
+			parameters.add(new BasicNameValuePair("SHARED_PREFERENCES", report.get(ReportField.SHARED_PREFERENCES)));
+			parameters.add(new BasicNameValuePair("APPLICATION_LOG", report.get(ReportField.APPLICATION_LOG)));
+			parameters.add(new BasicNameValuePair("MEDIA_CODEC_LIST", report.get(ReportField.MEDIA_CODEC_LIST)));
+			parameters.add(new BasicNameValuePair("THREAD_DETAILS", report.get(ReportField.THREAD_DETAILS)));
+
+			httpPost.setEntity(new UrlEncodedFormEntity(parameters, HTTP.UTF_8));
+			httpClient.execute(httpPost);
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+
+	private String getUrl() {
+		String token = getToken();
+		String key = getKey(token);
+		return String.format("%s?token=%s&key=%s&", BASE_URL, token, key);
+	}
+
+	private String getKey(String token) {
+		return md5(String.format("%s+%s", SHARED_SECRET, token));
+	}
+
+	private String getToken() {
+		return md5(UUID.randomUUID().toString());
+	}
+
+	public static String md5(String s) {
+		MessageDigest m = null;
+		try {
+			m = MessageDigest.getInstance("MD5");
+		} catch (NoSuchAlgorithmException e) {
+			e.printStackTrace();
+		}
+		m.update(s.getBytes(), 0, s.length());
+		String hash = new BigInteger(1, m.digest()).toString(16);
+		return hash;
+	}
+}

app/src/de/skubware/opentraining/activity/acra/ACRAFeedbackMailer.java

@@ -0,0 +1,102 @@
+package de.skubware.opentraining.activity.acra;
+
+import java.math.BigInteger;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import org.acra.collector.CrashReportData;
+import org.acra.ACRA;
+import org.acra.ReportField;
+import org.acra.sender.ReportSender;
+import org.acra.sender.ReportSenderException;
+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;
+
+import android.util.Log;
+
+/** 
+ * Based on acra-mailer(https://github.com/d-a-n/acra-mailer) of d-a-n. 
+ */
+public class ACRAFeedbackMailer implements ReportSender {
+	private final static String BASE_URL = "http://skubware.de/opentraining/acra_feedback.php";
+	private final static String SHARED_SECRET = "my_on_github_with_everyone_shared_secret";
+	private Map<String, String> custom_data = null;
+
+	public ACRAFeedbackMailer() {
+	}
+
+	public ACRAFeedbackMailer(HashMap<String, String> custom_data) {
+		this.custom_data = custom_data;
+	}
+
+	@Override
+	public void send(CrashReportData report) throws ReportSenderException {
+
+		String url = getUrl();
+		Log.e("xenim", url);
+
+		try {
+			DefaultHttpClient httpClient = new DefaultHttpClient();
+			HttpPost httpPost = new HttpPost(url);
+
+			List<NameValuePair> parameters = new ArrayList<NameValuePair>();
+
+			if (custom_data != null) {
+				for (Map.Entry<String, String> entry : custom_data.entrySet()) {
+					parameters.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
+				}
+			}
+			parameters.add(new BasicNameValuePair("DATE", new Date().toString()));
+			parameters.add(new BasicNameValuePair("APP_VERSION_NAME", report.get(ReportField.APP_VERSION_NAME)));
+			parameters.add(new BasicNameValuePair("CUSTOM_DATA", report.get(ReportField.CUSTOM_DATA)));
+
+			httpPost.setEntity(new UrlEncodedFormEntity(parameters, HTTP.UTF_8));
+			httpClient.execute(httpPost);
+
+
+			// set the crash report sender again after sending the feedback
+			ACRA.getErrorReporter().removeAllReportSenders();
+	        ACRA.getErrorReporter().setReportSender(new ACRACrashReportMailer());
+
+
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+
+	private String getUrl() {
+		String token = getToken();
+		String key = getKey(token);
+		return String.format("%s?token=%s&key=%s&", BASE_URL, token, key);
+	}
+
+	private String getKey(String token) {
+		return md5(String.format("%s+%s", SHARED_SECRET, token));
+	}
+
+	private String getToken() {
+		return md5(UUID.randomUUID().toString());
+	}
+
+	public static String md5(String s) {
+		MessageDigest m = null;
+		try {
+			m = MessageDigest.getInstance("MD5");
+		} catch (NoSuchAlgorithmException e) {
+			e.printStackTrace();
+		}
+		m.update(s.getBytes(), 0, s.length());
+		String hash = new BigInteger(1, m.digest()).toString(16);
+		return hash;
+	}
+}