Initial commit

.gitignore

@@ -0,0 +1,9 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

.idea/gradle.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/mobile" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

.idea/misc.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="NullableNotNullManager">
+    <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
+    <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
+    <option name="myNullables">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
+        </list>
+      </value>
+    </option>
+    <option name="myNotNulls">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
+        </list>
+      </value>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

.idea/modules.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/SLAM.iml" filepath="$PROJECT_DIR$/SLAM.iml" />
+      <module fileurl="file://$PROJECT_DIR$/mobile/mobile.iml" filepath="$PROJECT_DIR$/mobile/mobile.iml" />
+    </modules>
+  </component>
+</project>

.idea/runConfigurations.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>

build.gradle

@@ -0,0 +1,36 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    
+    repositories {
+        google()
+        jcenter()
+    }
+
+    ext {
+        smackVersion="4.2.3-SNAPSHOT"
+    }
+
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.0.1'
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+        maven {
+            url 'https://oss.sonatype.org/content/repositories/snapshots'
+        }
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

gradle.properties

@@ -0,0 +1,17 @@
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Mon Jan 22 17:04:57 CET 2018
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip

gradlew

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+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

gradlew.bat

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+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

mobile/.gitignore

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

mobile/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        applicationId "de.vanitasvitae.slam"
+        minSdkVersion 21
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    //implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:27.0.2'
+    implementation 'com.android.support:design:27.0.2'
+    implementation 'com.android.support:support-v4:27.0.2'
+    implementation 'com.android.support:support-v13:27.0.2'
+    implementation 'com.android.support:cardview-v7:27.0.2'
+    implementation 'com.android.support:recyclerview-v7:27.0.2'
+    implementation 'com.android.support:support-emoji:27.0.2'
+
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+
+    //compile "org.igniterealtime.smack:smack-android-extensions:$smackVersion"
+    //compile "org.igniterealtime.smack:smack-omemo-signal:$smackVersion"
+    //compile "org.igniterealtime.smack:smack-tcp:$smackVersion"
+    //compile "org.igniterealtime.smack:smack-experimental:$smackVersion"
+
+    compile 'com.jakewharton:butterknife:8.8.1'
+    annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
+
+    compile 'de.hdodenhof:circleimageview:2.0.0'
+}

mobile/proguard-rules.pro

@@ -0,0 +1,21 @@
+# 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

mobile/src/androidTest/java/de/vanitasvitae/slam/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package de.vanitasvitae.slam;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.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() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("de.vanitasvitae.slam", appContext.getPackageName());
+    }
+}

mobile/src/main/AndroidManifest.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="de.vanitasvitae.slam">
+
+    <!-- To auto-complete the email text field in the login form with the user's emails -->
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
+    <uses-permission android:name="android.permission.READ_PROFILE" />
+    <uses-permission android:name="android.permission.READ_CONTACTS" />
+
+    <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/Slam">
+        <activity
+            android:name=".activity.LoginActivity"
+            android:label="@string/app_name"
+            android:windowSoftInputMode="adjustResize">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name=".activity.MainActivity" />
+
+        <meta-data
+            android:name="com.google.android.gms.car.application"
+            android:resource="@xml/automotive_app_desc" />
+
+        <service android:name=".service.MyMessagingService"></service>
+
+        <receiver android:name=".receiver.MessageReadReceiver">
+            <intent-filter>
+                <action android:name="de.vanitasvitae.slam.ACTION_MESSAGE_READ" />
+            </intent-filter>
+        </receiver>
+        <receiver android:name=".receiver.MessageReplyReceiver">
+            <intent-filter>
+                <action android:name="de.vanitasvitae.slam.ACTION_MESSAGE_REPLY" />
+            </intent-filter>
+        </receiver>
+    </application>
+
+</manifest>

mobile/src/main/java/de/vanitasvitae/slam/activity/LoginActivity.java

@@ -0,0 +1,60 @@
+package de.vanitasvitae.slam.activity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.design.widget.TextInputEditText;
+import android.support.v7.widget.Toolbar;
+import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.inputmethod.EditorInfo;
+import android.widget.TextView;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+import de.vanitasvitae.slam.R;
+
+public class LoginActivity extends ThemedAppCompatActivity {
+
+    @BindView(R.id.toolbar)
+    Toolbar toolbar;
+
+    @BindView(R.id.login_username)
+    TextInputEditText inputUsername;
+
+    @BindView(R.id.login_password)
+    TextInputEditText inputPassword;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login);
+        ButterKnife.bind(this);
+
+        setSupportActionBar(toolbar);
+
+        inputPassword.setOnEditorActionListener(new TextView.OnEditorActionListener() {
+            @Override
+            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+                if (actionId == EditorInfo.IME_ACTION_DONE) {
+                    login();
+                    return true;
+                }
+                return false;
+            }
+        });
+    }
+
+    @OnClick(R.id.button_login)
+    void login() {
+        startActivity(new Intent(this, MainActivity.class));
+        finish();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu_login, menu);
+        return true;
+    }
+}
+

mobile/src/main/java/de/vanitasvitae/slam/activity/MainActivity.java

@@ -0,0 +1,55 @@
+package de.vanitasvitae.slam.activity;
+
+import android.os.Bundle;
+import android.support.design.widget.NavigationView;
+import android.support.v4.widget.DrawerLayout;
+import android.support.v7.app.ActionBarDrawerToggle;
+import android.support.v7.widget.Toolbar;
+import android.view.Menu;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import de.vanitasvitae.slam.R;
+
+/**
+ * Created by vanitas on 22.01.18.
+ */
+public class MainActivity extends ThemedAppCompatActivity {
+
+    @BindView(R.id.toolbar)
+    Toolbar toolbar;
+
+    @BindView(R.id.navigation_view)
+    NavigationView navigationView;
+
+    @BindView(R.id.drawer_layout)
+    DrawerLayout drawerLayout;
+
+    private ActionBarDrawerToggle drawerToggle;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        ButterKnife.bind(this);
+
+        setSupportActionBar(toolbar);
+
+        drawerToggle = new ActionBarDrawerToggle(
+                this, drawerLayout, toolbar, R.string.error_incorrect_password, R.string.error_invalid_jid);
+        drawerLayout.addDrawerListener(drawerToggle);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        return true;
+    }
+
+    @Override
+    public void onPostCreate(Bundle savedInstanceState) {
+        super.onPostCreate(savedInstanceState);
+        drawerToggle.syncState();
+    }
+
+}

mobile/src/main/java/de/vanitasvitae/slam/activity/ThemedAppCompatActivity.java

@@ -0,0 +1,84 @@
+package de.vanitasvitae.slam.activity;
+
+import android.annotation.SuppressLint;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.support.v7.app.AppCompatActivity;
+import android.view.MenuItem;
+
+import java.util.Arrays;
+
+import de.vanitasvitae.slam.R;
+
+/**
+ * Created by Paul Schaub on 27.01.18.
+ */
+public abstract class ThemedAppCompatActivity extends AppCompatActivity implements SharedPreferences.OnSharedPreferenceChangeListener {
+
+    public static final String PREF_APP_THEME = "pref_app_theme";
+    private static final String THEME_LIGHT = "defaultTheme";
+    private static final String THEME_DARK = "darkTheme";
+
+    private SharedPreferences preferences;
+
+    @SuppressLint("ApplySharedPref")
+    protected void onCreate(Bundle savedInstanceState) {
+        preferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+        String theme = preferences.getString(PREF_APP_THEME, THEME_LIGHT);
+        switch (theme) {
+            case THEME_DARK:
+                setTheme(R.style.Slam_Dark);
+                break;
+            // add more themes here...
+
+            default:
+                setTheme(R.style.Slam);
+        }
+
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    protected void onPause() {
+        preferences.unregisterOnSharedPreferenceChangeListener(this);
+        super.onPause();
+    }
+
+    protected void onResume() {
+        preferences.registerOnSharedPreferenceChangeListener(this);
+        super.onResume();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.debug_switch_theme:
+                toggleTheme();
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    public void toggleTheme() {
+        // ...and here
+        String[] themes = new String[]{THEME_LIGHT, THEME_DARK};
+        SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this);
+        String current = pref.getString(PREF_APP_THEME, THEME_LIGHT);
+        int index = Arrays.asList(themes).indexOf(current);
+        String next = themes[(index + 1) % themes.length];
+        pref.edit().putString(PREF_APP_THEME, next).apply();
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        if (key.equals(PREF_APP_THEME)) {
+            finish();
+            final Intent intent = getIntent();
+            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);
+            startActivity(intent);
+        }
+    }
+}

mobile/src/main/java/de/vanitasvitae/slam/receiver/MessageReadReceiver.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * 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 de.vanitasvitae.slam.receiver;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.support.v4.app.NotificationManagerCompat;
+import android.util.Log;
+
+import de.vanitasvitae.slam.service.MyMessagingService;
+
+public class MessageReadReceiver extends BroadcastReceiver {
+    private static final String TAG = MessageReadReceiver.class.getSimpleName();
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (MyMessagingService.READ_ACTION.equals(intent.getAction())) {
+            int conversationId = intent.getIntExtra(MyMessagingService.CONVERSATION_ID, -1);
+            if (conversationId != -1) {
+                Log.d(TAG, "Conversation " + conversationId + " was read");
+                NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);
+                notificationManager.cancel(conversationId);
+            }
+        }
+    }
+}

mobile/src/main/java/de/vanitasvitae/slam/receiver/MessageReplyReceiver.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * 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 de.vanitasvitae.slam.receiver;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.app.RemoteInput;
+import android.util.Log;
+
+import de.vanitasvitae.slam.service.MyMessagingService;
+
+/**
+ * A receiver that gets called when a reply is sent to a given conversationId
+ */
+public class MessageReplyReceiver extends BroadcastReceiver {
+
+    private static final String TAG = MessageReplyReceiver.class.getSimpleName();
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (MyMessagingService.REPLY_ACTION.equals(intent.getAction())) {
+            int conversationId = intent.getIntExtra(MyMessagingService.CONVERSATION_ID, -1);
+            CharSequence reply = getMessageText(intent);
+            Log.d(TAG, "Got reply (" + reply + ") for ConversationId " + conversationId);
+        }
+    }
+
+    /**
+     * Get the message text from the intent.
+     * Note that you should call {@code RemoteInput#getResultsFromIntent(intent)} to process
+     * the RemoteInput.
+     */
+    private CharSequence getMessageText(Intent intent) {
+        Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
+        if (remoteInput != null) {
+            return remoteInput.getCharSequence(MyMessagingService.EXTRA_VOICE_REPLY);
+        }
+        return null;
+    }
+}

mobile/src/main/java/de/vanitasvitae/slam/service/MyMessagingService.java

@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * 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 de.vanitasvitae.slam.service;
+
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.Intent;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Message;
+import android.os.Messenger;
+import android.support.v4.app.NotificationCompat;
+import android.support.v4.app.NotificationCompat.CarExtender;
+import android.support.v4.app.NotificationCompat.CarExtender.UnreadConversation;
+import android.support.v4.app.NotificationManagerCompat;
+import android.support.v4.app.RemoteInput;
+
+public class MyMessagingService extends Service {
+    public static final String READ_ACTION =
+            "de.vanitasvitae.slam.ACTION_MESSAGE_READ";
+    public static final String REPLY_ACTION =
+            "de.vanitasvitae.slam.ACTION_MESSAGE_REPLY";
+    public static final String CONVERSATION_ID = "conversation_id";
+    public static final String EXTRA_VOICE_REPLY = "extra_voice_reply";
+    private static final String TAG = MyMessagingService.class.getSimpleName();
+    private final Messenger mMessenger = new Messenger(new IncomingHandler());
+    private NotificationManagerCompat mNotificationManager;
+
+    @Override
+    public void onCreate() {
+        mNotificationManager = NotificationManagerCompat.from(getApplicationContext());
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return mMessenger.getBinder();
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        return START_STICKY;
+    }
+
+    private Intent createIntent(int conversationId, String action) {
+        return new Intent()
+                .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
+                .setAction(action)
+                .putExtra(CONVERSATION_ID, conversationId);
+    }
+
+    private void sendNotification(int conversationId, String message,
+                                  String participant, long timestamp) {
+        // A pending Intent for reads
+        PendingIntent readPendingIntent = PendingIntent.getBroadcast(getApplicationContext(),
+                conversationId,
+                createIntent(conversationId, READ_ACTION),
+                PendingIntent.FLAG_UPDATE_CURRENT);
+
+        // Build a RemoteInput for receiving voice input in a Car Notification
+        RemoteInput remoteInput = new RemoteInput.Builder(EXTRA_VOICE_REPLY)
+                .setLabel("Reply by voice")
+                .build();
+
+        // Building a Pending Intent for the reply action to trigger
+        PendingIntent replyIntent = PendingIntent.getBroadcast(getApplicationContext(),
+                conversationId,
+                createIntent(conversationId, REPLY_ACTION),
+                PendingIntent.FLAG_UPDATE_CURRENT);
+
+        // Create the UnreadConversation and populate it with the participant name,
+        // read and reply intents.
+        UnreadConversation.Builder unreadConvBuilder =
+                new UnreadConversation.Builder(participant)
+                        .setLatestTimestamp(timestamp)
+                        .setReadPendingIntent(readPendingIntent)
+                        .setReplyAction(replyIntent, remoteInput);
+
+        NotificationCompat.Builder builder = new NotificationCompat.Builder(getApplicationContext())
+                // Set the application notification icon:
+                //.setSmallIcon(R.drawable.notification_icon)
+
+                // Set the large icon, for example a picture of the other recipient of the message
+                //.setLargeIcon(personBitmap)
+
+                .setContentText(message)
+                .setWhen(timestamp)
+                .setContentTitle(participant)
+                .setContentIntent(readPendingIntent)
+                .extend(new CarExtender()
+                        .setUnreadConversation(unreadConvBuilder.build()));
+
+        mNotificationManager.notify(conversationId, builder.build());
+    }
+
+    /**
+     * Handler of incoming messages from clients.
+     */
+    class IncomingHandler extends Handler {
+        @Override
+        public void handleMessage(Message msg) {
+            sendNotification(1, "This is a sample message", "John Doe",
+                    System.currentTimeMillis());
+        }
+    }
+}