app is working

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        applicationId "de.qvalentin.rapla2kustom"
+        minSdkVersion 25
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.2.1'
+    implementation 'androidx.preference:preference:1.1.1'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+
+
+    implementation 'net.sf.biweekly:biweekly:0.6.6'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/de/qvalentin/rapla2kustom/ExampleInstrumentedTest.java

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+package de.qvalentin.rapla2kustom;
+
+import android.content.Context;
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("de.qvalentin.rapla2kustom", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="de.qvalentin.rapla2kustom">
+
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+
+    <application
+            android:allowBackup="true"
+            android:icon="@mipmap/ic_launcher"
+            android:label="@string/app_name"
+            android:roundIcon="@mipmap/ic_launcher_round"
+            android:supportsRtl="true"
+            android:theme="@style/Theme.Rapla2Kustom">
+        <activity
+                android:name=".SettingsActivity"
+                android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <action android:name="android.intent.action.VIEW"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <activity android:name=".ToKserviceStarter" android:theme="@style/Theme.Transparent">
+            <intent-filter>
+                <action android:name="android.intent.action.DEFAULT" />
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+        </activity>
+        <receiver android:name=".BootReceiver" android:enabled="true" android:exported="true">
+        <intent-filter>
+            <action android:name="android.intent.action.BOOT_COMPLETED" />
+            <category android:name="android.intent.category.DEFAULT" />
+        </intent-filter>
+    </receiver>
+    <service
+            android:name=".ToKservice"
+            android:exported="false"/>
+    </application>
+
+</manifest>

app/src/main/java/de/qvalentin/rapla2kustom/ApplicationClass.java

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+package de.qvalentin.rapla2kustom;
+
+import android.app.Application;
+import android.content.SharedPreferences;
+
+public class ApplicationClass extends Application {
+    public static SharedPreferences preferences;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        preferences = getSharedPreferences( getPackageName() + "_preferences", MODE_PRIVATE);
+
+    }
+}

app/src/main/java/de/qvalentin/rapla2kustom/BootReceiver.java

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+package de.qvalentin.rapla2kustom;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import static android.app.AlarmManager.INTERVAL_HALF_DAY;
+
+public class BootReceiver extends BroadcastReceiver
+{
+    public void onReceive(Context context, Intent intent)
+    {
+        //  execute when Boot Completed
+        /**Schedule your Alarm Here**/
+
+
+
+
+
+
+        Intent intentn = new Intent(context, ToKservice.class);
+        PendingIntent pintent = PendingIntent.getService(context, 0, intentn, 0);
+        AlarmManager alarm = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+        alarm.setRepeating(AlarmManager.RTC, System.currentTimeMillis(), INTERVAL_HALF_DAY, pintent);//INTERVAL_HALF_DAY
+
+    }
+}

app/src/main/java/de/qvalentin/rapla2kustom/SettingsActivity.java

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+package de.qvalentin.rapla2kustom;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.Toast;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceFragmentCompat;
+
+import static android.app.AlarmManager.INTERVAL_HALF_HOUR;
+
+public class SettingsActivity extends AppCompatActivity {
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.settings_activity);
+
+        if (savedInstanceState == null) {
+            getSupportFragmentManager()
+                    .beginTransaction()
+                    .replace(R.id.settings, new SettingsFragment())
+                    .commit();
+        }
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+    }
+
+
+    public static class SettingsFragment extends PreferenceFragmentCompat {
+        @Override
+        public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+            setPreferencesFromResource(R.xml.root_preferences, rootKey);
+
+
+            Preference button = getPreferenceManager().findPreference(getString(R.string.start_service_button));
+            if (button != null) {
+
+                button.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+                    @Override
+                    public boolean onPreferenceClick(Preference preference) {
+                        Toast.makeText(getActivity(), "Preference button is clicked",
+                                Toast.LENGTH_SHORT).show();
+                      //  Intent myIntent = new Intent(ToKserviceStarter.class);
+                       // startActivity(myIntent);
+                        return false;
+                    }
+                });
+            }
+
+        }
+
+    }
+}
+
+

app/src/main/java/de/qvalentin/rapla2kustom/ToKservice.java

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+package de.qvalentin.rapla2kustom;
+
+import android.app.IntentService;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+import android.util.Log;
+import de.qvalentin.rapla2kustom.ical.IcalToStr;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.List;
+import java.util.Map;
+
+
+public class ToKservice extends IntentService {
+
+    public static final String KUSTOM_ACTION = "org.kustom.action.SEND_VAR";
+    public static final String KUSTOM_ACTION_EXT_NAME = "org.kustom.action.EXT_NAME";
+    public static final String KUSTOM_ACTION_VAR_NAME = "org.kustom.action.VAR_NAME";
+    public static final String KUSTOM_ACTION_VAR_VALUE = "org.kustom.action.VAR_VALUE";
+    public static final String KUSTOM_ACTION_VAR_NAME_ARRAY = "org.kustom.action.VAR_NAME_ARRAY";
+    public static final String KUSTOM_ACTION_VAR_VALUE_ARRAY = "org.kustom.action.VAR_VALUE_ARRAY";
+
+
+    /**
+     * Creates an IntentService.  Invoked by your subclass's constructor.
+     *
+     * @param name Used to name the worker thread, important only for debugging.
+     */
+    public ToKservice(String name) {
+        super(name);
+    }
+
+    public ToKservice() {
+        super("ToKWPservice");
+    }
+
+    @Override
+    protected void onHandleIntent(Intent workIntent) {
+
+
+        SharedPreferences sharedpreferences = getSharedPreferences(getPackageName() + "_preferences", Context.MODE_PRIVATE);
+        boolean isEnabled = sharedpreferences.getBoolean("sync", true);
+
+        sendToKustom("rapla-active", Boolean.toString(isEnabled));
+
+        if (!isEnabled) {
+            return;
+        }
+
+        String urlString = sharedpreferences.getString("url", "");
+
+        Log.d("qvalentin", "start toKservice");
+
+        ConnectivityManager cm =
+                (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
+
+        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
+        boolean isConnected = activeNetwork != null &&
+                activeNetwork.isConnectedOrConnecting();
+
+        String message = getString(R.string.ToKservice_updated);
+
+
+        if (isConnected) {
+            boolean shouldUpdate = false;
+            try {
+                URL url = new URL(urlString);
+                shouldUpdate = checkLastModified(url);
+
+                if (shouldUpdate) {
+
+                    String data = getData(url);
+                    if (data != null) {
+                        sendToKustom("rapla", data);
+                    }
+                }
+            } catch (MalformedURLException e) {
+                e.printStackTrace();
+            }
+            ;
+        }
+    }
+
+
+    public void sendToKustom(String key, String message) {
+        Log.d("qvalentin", "sendToKustom");
+        Log.d("qvalentin", "sendToKustom " + message);
+
+        Intent intent = new Intent(KUSTOM_ACTION);
+        intent.putExtra(KUSTOM_ACTION_EXT_NAME, "qvalentin");
+        intent.putExtra(KUSTOM_ACTION_VAR_NAME, key);
+        intent.putExtra(KUSTOM_ACTION_VAR_VALUE, message);
+        sendBroadcast(intent);
+
+    }
+
+    public String getData(URL url) {
+
+        String result = null;
+        IcalToStr icalToStr = new IcalToStr();
+
+        try {
+            result = icalToStr.icalToSting(url);
+        } catch (Exception e) {
+        }
+
+        return result;
+    }
+
+    public boolean checkLastModified(URL url) {
+        try {
+
+            SharedPreferences sharedpreferences = getSharedPreferences(getPackageName() + "_preferences", Context.MODE_PRIVATE);
+            String lastModifiedOld = sharedpreferences.getString(getString(R.string.saved_last_modified_key), "");
+
+
+            URLConnection conn = url.openConnection();
+            Map<String, List<String>> map = conn.getHeaderFields();
+
+            String headerLM = "last-modified";
+            List<String> contentLength = map.get(headerLM);
+            if (contentLength == null) {
+                return true;
+            } else {
+                for (String header : contentLength) {
+
+                    if (!header.equals(lastModifiedOld)) {
+                        SharedPreferences.Editor editor = sharedpreferences.edit();
+                        editor.putString(getString(R.string.saved_last_modified_key), header);
+                        editor.commit();
+                        return true;
+                    } else return false;
+                }
+            }
+        } catch (Exception e) {
+            return true;
+
+        }
+        return true;
+    }
+
+
+}

app/src/main/java/de/qvalentin/rapla2kustom/ToKserviceStarter.java

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+package de.qvalentin.rapla2kustom;
+
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+
+public class ToKserviceStarter extends Activity {
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Intent intent = new Intent(this, ToKservice.class);
+        startService(intent);
+        Toast toast = Toast.makeText(this, getString(R.string.ToKservice_updated), Toast.LENGTH_LONG);
+        toast.show();
+        finish();
+    }
+}

app/src/main/java/de/qvalentin/rapla2kustom/ical/IcalToStr.java

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+package de.qvalentin.rapla2kustom.ical;
+
+
+import biweekly.ICalendar;
+import biweekly.component.VEvent;
+import biweekly.io.TimezoneAssignment;
+import biweekly.io.TimezoneInfo;
+import biweekly.io.text.ICalReader;
+import biweekly.property.DateStart;
+import biweekly.property.Summary;
+import biweekly.util.com.google.ical.compat.javautil.DateIterator;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+public class IcalToStr {
+
+/*    public static void main(String[] args) throws IOException {
+        IcalToStr icalToStr=new IcalToStr();
+        System.out.println(icalToStr.icalToSting(new URL("https://rapla.dhbw-karlsruhe.de/rapla?page=ical&user=braun&file=TINF19B2&day=17&month=4&year=2020&today=Heute")));
+    }*/
+
+    public IcalToStr() {
+    }
+
+    public String icalToSting(URL url) throws IOException {
+
+
+        ICalReader reader = new ICalReader( new InputStreamReader(
+                url.openStream()));
+        List<VeventString> veventStrings=new ArrayList<>();
+        try {
+
+            ICalendar ical;
+
+            while ((ical = reader.readNext()) != null) {
+                TimezoneInfo tzinfo = ical.getTimezoneInfo();
+
+                VEvent event = ical.getEvents().get(0);
+                DateStart dtstart = event.getDateStart();
+
+                TimeZone timezone;
+                if (tzinfo.isFloating(dtstart)){
+                    timezone = TimeZone.getDefault();
+                } else {
+                    TimezoneAssignment dtstartTimezone = tzinfo.getTimezone(dtstart);
+                    timezone = (dtstartTimezone == null) ? TimeZone.getTimeZone("UTC") : dtstartTimezone.getTimeZone();
+                }
+
+                veventStrings.addAll(buildList(ical.getEvents(),timezone));
+
+            }
+        } finally {
+            reader.close();
+        }
+
+        Collections.sort(veventStrings, new Comparator<VeventString>(){
+            public int compare(VeventString event1, VeventString event2) {
+                return event1.getStartdate().compareTo(event2.getStartdate());
+            }
+        });
+        return buidSting(veventStrings);
+    }
+
+
+    public List<VeventString> buildList(List<VEvent> events,TimeZone timeZone){
+
+        List<VeventString> eventStrings =new ArrayList<VeventString>();
+        boolean repeating;
+        boolean relevent;
+        boolean future;
+        boolean isTest;
+        Date today=new Date();
+        today.setHours(0);
+        String category;
+        Date dateStartVal;
+        Date dateEndVal;
+        for (VEvent event : events) {
+
+            dateStartVal=event.getDateStart().getValue();
+
+            future= dateStartVal.compareTo(new DateStart(today).getValue())>=0;
+            category=event.getCategories().get(0).getValues().get(0).toString();
+            repeating= event.getRecurrenceRule()!=null;
+            relevent= !category.equalsIgnoreCase("Sonstiger Termin");
+
+            if (relevent &&  (future || repeating )){
+
+                dateEndVal=event.getDateEnd().getValue();
+
+                isTest=category.equalsIgnoreCase("Prüfung");
+
+                Summary summary = event.getSummary();
+                String summaryStr = (summary == null) ? null : summary.getValue();
+
+                DateIterator it = event.getDateIterator(timeZone);
+                Date current;
+                Date end;
+                while(it.hasNext()){
+
+                    current =it.next();
+                    end=new Date();
+                    end.setHours(dateEndVal.getHours());
+                    end.setMinutes(dateEndVal.getMinutes());
+                    end.setDate(current.getDate());
+                    end.setYear(current.getYear());
+                    end.setMonth(current.getMonth()); // @todo: horrible, but works to set time and day separably
+
+                    eventStrings.add(new VeventString(current,end,summaryStr,isTest));
+                }
+            }
+        }
+        return eventStrings;
+    }
+
+
+
+    public String buidSting(List<VeventString> events){
+
+        boolean future;
+        Date today=new Date();
+        boolean sameDay;
+        boolean sameMonth;
+        Date previousDate=today;
+        boolean isTest;
+        String dateEndStr;
+        String dateStartStr;
+        Date dateStartVal;
+        Date dateEndVal;
+        int counter=0;
+
+        DateFormat df = new SimpleDateFormat("EE: dd/MM/yyyy HH:mm",Locale.GERMANY);
+
+        DateFormat dfEnd = new SimpleDateFormat("HH:mm");
+
+        StringBuilder stringBuilder=new StringBuilder( "Last update: " +new SimpleDateFormat("dd/MM HH:mm").format(Calendar.getInstance().getTime()));
+
+        for (VeventString e:
+                events) {
+
+            dateStartVal=e.getStartdate();
+            dateEndVal=e.getEnddate();
+            future= dateEndVal.compareTo(today)>=0;
+            if (future && counter<25){
+
+                sameDay= dateStartVal.getDay()==previousDate.getDay();
+                sameMonth=dateStartVal.getMonth()==previousDate.getMonth();
+
+                dateEndStr  = dfEnd.format(dateEndVal);
+                dateStartStr = df.format(dateStartVal);
+
+                previousDate=dateStartVal;
+
+                isTest=e.isTest();
+
+                stringBuilder.append(
+                        (sameDay? "\n":"\n[s=0.3]################################################\n[/s]")+
+                                (sameMonth? "":"[s=0.3]################################################\n[/s]")+
+                                (isTest? "[c=testc]":"[c=datec]")  +dateStartStr +" - " + dateEndStr + (isTest ? "":"[/c]") + ": "
+                                +  (isTest ? "":"[c=namec]") +e.getDescription()+"[/c]");
+
+                counter++;
+            }
+        }
+        return  stringBuilder.toString();
+    }
+}
+
+

app/src/main/java/de/qvalentin/rapla2kustom/ical/Icalparser.java

@@ -0,0 +1,61 @@
+package de.qvalentin.rapla2kustom.ical;
+
+import biweekly.Biweekly;
+import biweekly.ICalendar;
+import biweekly.component.VEvent;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URL;
+
+public class Icalparser {
+
+
+    public String parseIcal(String str) {
+
+
+//parse the first iCalendar object from the data stream
+        ICalendar ical = Biweekly.parse(str).first();
+
+//or parse all objects from the data stream
+//List<ICalendar> icals = Biweekly.parse(str).all();
+
+        VEvent event = ical.getEvents().get(0);
+        String summary = event.getSummary().getValue();
+
+        return summary;
+    }
+
+
+    public static String readStringFromURL(String requestURL) throws IOException
+    {
+
+
+        StringBuilder stringBuilder=new StringBuilder("");
+        URL url = new URL(requestURL);
+
+        try(BufferedReader in = new BufferedReader(
+                new InputStreamReader(
+                        url.openStream()))){
+
+            String inputLine;
+
+            while ((inputLine = in.readLine()) != null)
+                stringBuilder.append(inputLine);
+
+        }
+
+        catch (Exception e){return "nothing";}
+
+
+
+        return stringBuilder.toString();
+
+
+
+
+    }
+
+
+}

app/src/main/java/de/qvalentin/rapla2kustom/ical/VeventString.java

@@ -0,0 +1,33 @@
+package de.qvalentin.rapla2kustom.ical;
+
+import java.util.Date;
+
+public class VeventString {
+    public Date startdate;
+    public Date enddate;
+    public String description;
+    public boolean isTest=false;
+
+    public boolean isTest() {
+        return isTest;
+    }
+
+    public VeventString(Date startdate, Date enddate, String description, boolean isTest) {
+        this.startdate = startdate;
+        this.enddate = enddate;
+        this.description = description;
+        this.isTest = isTest;
+    }
+
+    public Date getStartdate() {
+        return startdate;
+    }
+
+    public Date getEnddate() {
+        return enddate;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,31 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportWidth="108"
+        android:viewportHeight="108">
+    <path
+            android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                    android:startY="49.59793"
+                    android:startX="42.9492"
+                    android:endY="92.4963"
+                    android:endX="85.84757"
+                    android:type="linear">
+                <item
+                        android:color="#44000000"
+                        android:offset="0.0"/>
+                <item
+                        android:color="#00000000"
+                        android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+            android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+            android:fillColor="#FFFFFF"
+            android:fillType="nonZero"
+            android:strokeWidth="1"
+            android:strokeColor="#00000000"/>
+</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:height="108dp"
+        android:width="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path android:fillColor="#3DDC84"
+          android:pathData="M0,0h108v108h-108z"/>
+    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+</vector>

app/src/main/res/layout/settings_activity.xml

@@ -0,0 +1,9 @@
+<LinearLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+    <FrameLayout
+            android:id="@+id/settings"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"/>
+</LinearLayout>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/values-night/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Rapla2Kustom" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/src/main/res/values/arrays.xml

@@ -0,0 +1,12 @@
+<resources>
+    <!-- Reply Preference -->
+    <string-array name="reply_entries">
+        <item>Reply</item>
+        <item>Reply to all</item>
+    </string-array>
+
+    <string-array name="reply_values">
+        <item>reply</item>
+        <item>reply_all</item>
+    </string-array>
+</resources>

app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,20 @@
+<resources>
+    <string name="app_name">Rapla2Kustom</string>
+    <!-- Settings Activity Title -->
+    <string name="title_activity_settings">Settings</string>
+
+
+    <string name="rapla_url">The url of the rapla course.</string>
+    <string name="kustom_code">The forumla to put into kustom live wall paper.</string>
+    <string name="enable">Enable loading the information.</string>
+
+
+
+
+    <string name="compose_shortcut_short_label1">Update</string>
+    <string name="compose_shortcut_long_label1">Update Ical</string>
+    <string name="ToKservice_updated">Updated Ical</string>
+    <string name="saved_last_modified_key">de.valentin.tokwlppoc.SAVED_LAST_MODIFIED</string>
+    <string name="start_service_button">Load the information now.</string>
+
+</resources>

app/src/main/res/values/styles.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <!-- Base application theme. -->
+
+
+    <style name="Theme.Transparent" parent="android:Theme">
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:windowContentOverlay">@null</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowIsFloating">true</item>
+        <item name="android:backgroundDimEnabled">false</item>
+    </style>
+
+</resources>
+

app/src/main/res/values/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Rapla2Kustom" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/src/main/res/xml/root_preferences.xml

@@ -0,0 +1,37 @@
+<PreferenceScreen
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+
+        xmlns:android="http://schemas.android.com/apk/res/android">
+
+
+    <EditTextPreference
+            app:key="url"
+            app:title="@string/rapla_url"
+            app:useSimpleSummaryProvider="true"
+            app:defaultValue="https://rapla.dhbw-karlsruhe.de/rapla?page=ical&amp;user=braun&amp;file=TINF19B2&amp;day=17&amp;month=4&amp;year=2020&amp;today=Heute"
+    />
+
+
+    <SwitchPreferenceCompat
+            app:key="sync"
+            app:title="@string/enable"/>
+
+
+    <Preference
+            android:key="@string/start_service_button"
+            android:title="Sync now"
+            android:summary="Get the data now">
+        <intent android:action="android.intent.action.VIEW"
+                android:targetPackage="de.qvalentin.rapla2kustom" android:targetClass="de.qvalentin.rapla2kustom.ToKserviceStarter"/>
+
+    </Preference>
+
+    <EditTextPreference
+        app:key="kustom_code"
+        app:title="@string/kustom_code"
+        app:useSimpleSummaryProvider="true"
+        app:defaultValue="$tc(reg,tc(reg,br(qvalentin, rapla),df(dd/MM/yyyy),&quot;[u]&quot;+df(dd/MM/yyyy)+&quot;[/u]&quot;),&quot;\[c=.*c\].*(&quot;+gv(pastDays)+&quot;).*\n&quot;,&quot;&quot;)$"
+        />
+
+
+</PreferenceScreen>

app/src/test/java/de/qvalentin/rapla2kustom/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package de.qvalentin.rapla2kustom;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}