Adding a basic app template for Android

58 files changed, 1126 insertions, 0 deletions

diff --git a/lockchain-android/.gitignore b/lockchain-android/.gitignore
new file mode 100644
index 0000000..5edb4ee
--- /dev/null
+++ b/lockchain-android/.gitignore
@@ -0,0 +1,10 @@
+*.iml
+.gradle
+/local.properties
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
diff --git a/lockchain-android/.idea/caches/build_file_checksums.ser b/lockchain-android/.idea/caches/build_file_checksums.ser
new file mode 100644
index 0000000..4b46c8f
--- /dev/null
+++ b/lockchain-android/.idea/caches/build_file_checksums.ser
diff --git a/lockchain-android/.idea/codeStyles/Project.xml b/lockchain-android/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..30aa626
--- /dev/null
+++ b/lockchain-android/.idea/codeStyles/Project.xml
@@ -0,0 +1,29 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <Objective-C-extensions>
+      <file>
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
+      </file>
+      <class>
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
+      </class>
+      <extensions>
+        <pair source="cpp" header="h" fileNamingConvention="NONE" />
+        <pair source="c" header="h" fileNamingConvention="NONE" />
+      </extensions>
+    </Objective-C-extensions>
+  </code_scheme>
+</component>
\ No newline at end of file
diff --git a/lockchain-android/.idea/gradle.xml b/lockchain-android/.idea/gradle.xml
new file mode 100644
index 0000000..a222710
--- /dev/null
+++ b/lockchain-android/.idea/gradle.xml
@@ -0,0 +1,19 @@
+<?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" />
+            <option value="$PROJECT_DIR$/wear" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/lockchain-android/.idea/misc.xml b/lockchain-android/.idea/misc.xml
new file mode 100644
index 0000000..37a7509
--- /dev/null
+++ b/lockchain-android/.idea/misc.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" 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>
\ No newline at end of file
diff --git a/lockchain-android/.idea/runConfigurations.xml b/lockchain-android/.idea/runConfigurations.xml
new file mode 100644
index 0000000..7f68460
--- /dev/null
+++ b/lockchain-android/.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>
\ No newline at end of file
diff --git a/lockchain-android/build.gradle b/lockchain-android/build.gradle
new file mode 100644
index 0000000..2abf8e5
--- /dev/null
+++ b/lockchain-android/build.gradle
@@ -0,0 +1,27 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext.kotlin_version = '1.2.21'
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.2.0-alpha03'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/lockchain-android/gradle.properties b/lockchain-android/gradle.properties
new file mode 100644
index 0000000..743d692
--- /dev/null
+++ b/lockchain-android/gradle.properties
@@ -0,0 +1,13 @@
+# 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
diff --git a/lockchain-android/gradle/wrapper/gradle-wrapper.jar b/lockchain-android/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..7a3265e
--- /dev/null
+++ b/lockchain-android/gradle/wrapper/gradle-wrapper.jar
diff --git a/lockchain-android/gradle/wrapper/gradle-wrapper.properties b/lockchain-android/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..fd64213
--- /dev/null
+++ b/lockchain-android/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Mon Apr 02 14:59:17 CEST 2018
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.5-all.zip
diff --git a/lockchain-android/gradlew b/lockchain-android/gradlew
new file mode 100755
index 0000000..cccdd3d
--- /dev/null
+++ b/lockchain-android/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# 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
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$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 "$darwin" = "false" -a "$nonstop" = "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
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/lockchain-android/gradlew.bat b/lockchain-android/gradlew.bat
new file mode 100644
index 0000000..e95643d
--- /dev/null
+++ b/lockchain-android/gradlew.bat
@@ -0,0 +1,84 @@
+@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

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@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=

+

+@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 Windows variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_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=%*

+

+: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

diff --git a/lockchain-android/mobile/.gitignore b/lockchain-android/mobile/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/lockchain-android/mobile/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/lockchain-android/mobile/CMakeLists.txt b/lockchain-android/mobile/CMakeLists.txt
new file mode 100644
index 0000000..f8e6e8b
--- /dev/null
+++ b/lockchain-android/mobile/CMakeLists.txt
@@ -0,0 +1,44 @@
+# For more information about using CMake with Android Studio, read the
+# documentation: https://d.android.com/studio/projects/add-native-code.html
+
+# Sets the minimum version of CMake required to build the native library.
+
+cmake_minimum_required(VERSION 3.4.1)
+
+# Creates and names a library, sets it as either STATIC
+# or SHARED, and provides the relative paths to its source code.
+# You can define multiple libraries, and CMake builds them for you.
+# Gradle automatically packages shared libraries with your APK.
+
+add_library( # Sets the name of the library.
+             native-lib
+
+             # Sets the library as a shared library.
+             SHARED
+
+             # Provides a relative path to your source file(s).
+             src/main/cpp/native-lib.cpp )
+
+# Searches for a specified prebuilt library and stores the path as a
+# variable. Because CMake includes system libraries in the search path by
+# default, you only need to specify the name of the public NDK library
+# you want to add. CMake verifies that the library exists before
+# completing its build.
+
+find_library( # Sets the name of the path variable.
+              log-lib
+
+              # Specifies the name of the NDK library that
+              # you want CMake to locate.
+              log )
+
+# Specifies libraries CMake should link to your target library. You
+# can link multiple libraries, such as libraries you define in this
+# build script, prebuilt third-party libraries, or system libraries.
+
+target_link_libraries( # Specifies the target library.
+                       native-lib
+
+                       # Links the target library to the log library
+                       # included in the NDK.
+                       ${log-lib} )
\ No newline at end of file
diff --git a/lockchain-android/mobile/build.gradle b/lockchain-android/mobile/build.gradle
new file mode 100644
index 0000000..842fcf2
--- /dev/null
+++ b/lockchain-android/mobile/build.gradle
@@ -0,0 +1,46 @@
+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        applicationId "de.spacekookie.lockchain"
+        minSdkVersion 23
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        externalNativeBuild {
+            cmake {
+                cppFlags "-std=c++14 -frtti -fexceptions"
+            }
+        }
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    externalNativeBuild {
+        cmake {
+            path "CMakeLists.txt"
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation 'com.android.support:appcompat-v7:27.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'com.android.support:design:27.1.0'
+    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'
+    wearApp project(':wear')
+    implementation 'com.google.android.gms:play-services-wearable:+'
+}
diff --git a/lockchain-android/mobile/proguard-rules.pro b/lockchain-android/mobile/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/lockchain-android/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
diff --git a/lockchain-android/mobile/src/androidTest/java/de/spacekookie/lockchain/ExampleInstrumentedTest.kt b/lockchain-android/mobile/src/androidTest/java/de/spacekookie/lockchain/ExampleInstrumentedTest.kt
new file mode 100644
index 0000000..ac96add
--- /dev/null
+++ b/lockchain-android/mobile/src/androidTest/java/de/spacekookie/lockchain/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package de.spacekookie.lockchain
+
+import android.support.test.InstrumentationRegistry
+import android.support.test.runner.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getTargetContext()
+        assertEquals("de.spacekookie.lockchain", appContext.packageName)
+    }
+}
diff --git a/lockchain-android/mobile/src/main/AndroidManifest.xml b/lockchain-android/mobile/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..60ea5f9
--- /dev/null
+++ b/lockchain-android/mobile/src/main/AndroidManifest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="de.spacekookie.lockchain">
+
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+
+    <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/AppTheme">
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name"
+            android:theme="@style/AppTheme.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
\ No newline at end of file
diff --git a/lockchain-android/mobile/src/main/cpp/native-lib.cpp b/lockchain-android/mobile/src/main/cpp/native-lib.cpp
new file mode 100644
index 0000000..fb14b32
--- /dev/null
+++ b/lockchain-android/mobile/src/main/cpp/native-lib.cpp
@@ -0,0 +1,12 @@
+#include <jni.h>
+#include <string>
+
+extern "C" JNIEXPORT jstring
+
+JNICALL
+Java_de_spacekookie_lockchain_MainActivity_stringFromJNI(
+        JNIEnv *env,
+        jobject /* this */) {
+    std::string hello = "Hello from C++";
+    return env->NewStringUTF(hello.c_str());
+}
diff --git a/lockchain-android/mobile/src/main/java/de/spacekookie/lockchain/MainActivity.kt b/lockchain-android/mobile/src/main/java/de/spacekookie/lockchain/MainActivity.kt
new file mode 100644
index 0000000..fefc9da
--- /dev/null
+++ b/lockchain-android/mobile/src/main/java/de/spacekookie/lockchain/MainActivity.kt
@@ -0,0 +1,57 @@
+package de.spacekookie.lockchain
+
+import android.os.Bundle
+import android.support.design.widget.Snackbar
+import android.support.v7.app.AppCompatActivity
+import android.view.Menu
+import android.view.MenuItem
+
+import kotlinx.android.synthetic.main.activity_main.*
+import kotlinx.android.synthetic.main.fragment_main.*
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        setSupportActionBar(toolbar)
+
+        fab.setOnClickListener { view ->
+            Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                    .setAction("Action", null).show()
+        }
+
+        // Example of a call to a native method
+        sample_text.text = stringFromJNI()
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        menuInflater.inflate(R.menu.menu_main, menu)
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        return when (item.itemId) {
+            R.id.action_settings -> true
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+
+    /**
+     * A native method that is implemented by the 'native-lib' native library,
+     * which is packaged with this application.
+     */
+    external fun stringFromJNI(): String
+
+    companion object {
+
+        // Used to load the 'native-lib' library on application startup.
+        init {
+            System.loadLibrary("native-lib")
+        }
+    }
+}
diff --git a/lockchain-android/mobile/src/main/java/de/spacekookie/lockchain/MainActivityFragment.kt b/lockchain-android/mobile/src/main/java/de/spacekookie/lockchain/MainActivityFragment.kt
new file mode 100644
index 0000000..56eae72
--- /dev/null
+++ b/lockchain-android/mobile/src/main/java/de/spacekookie/lockchain/MainActivityFragment.kt
@@ -0,0 +1,18 @@
+package de.spacekookie.lockchain
+
+import android.support.v4.app.Fragment
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+
+/**
+ * A placeholder fragment containing a simple view.
+ */
+class MainActivityFragment : Fragment() {
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
+                              savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_main, container, false)
+    }
+}
diff --git a/lockchain-android/mobile/src/main/res/drawable-v24/ic_launcher_foreground.xml b/lockchain-android/mobile/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..c7bd21d
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                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:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>
diff --git a/lockchain-android/mobile/src/main/res/drawable/ic_launcher_background.xml b/lockchain-android/mobile/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..d5fccc5
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillColor="#26A69A"
+        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>
diff --git a/lockchain-android/mobile/src/main/res/layout/activity_main.xml b/lockchain-android/mobile/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..eed4d89
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/layout/activity_main.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <android.support.design.widget.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <android.support.v7.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </android.support.design.widget.AppBarLayout>
+
+    <include layout="@layout/content_main" />
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/fab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="@dimen/fab_margin"
+        app:srcCompat="@android:drawable/ic_dialog_email" />
+
+</android.support.design.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/lockchain-android/mobile/src/main/res/layout/content_main.xml b/lockchain-android/mobile/src/main/res/layout/content_main.xml
new file mode 100644
index 0000000..ae892ae
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/layout/content_main.xml
@@ -0,0 +1,9 @@
+<fragment xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/fragment"
+    android:name="de.spacekookie.lockchain.MainActivityFragment"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:layout="@layout/fragment_main" />
diff --git a/lockchain-android/mobile/src/main/res/layout/fragment_main.xml b/lockchain-android/mobile/src/main/res/layout/fragment_main.xml
new file mode 100644
index 0000000..a9e921c
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/layout/fragment_main.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivityFragment"
+    tools:showIn="@layout/activity_main">
+
+    <TextView
+        android:id="@+id/sample_text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello World!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</android.support.constraint.ConstraintLayout>
\ No newline at end of file
diff --git a/lockchain-android/mobile/src/main/res/menu/menu_main.xml b/lockchain-android/mobile/src/main/res/menu/menu_main.xml
new file mode 100644
index 0000000..d152077
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/menu/menu_main.xml
@@ -0,0 +1,10 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:context="de.spacekookie.lockchain.MainActivity">
+    <item
+        android:id="@+id/action_settings"
+        android:orderInCategory="100"
+        android:title="@string/action_settings"
+        app:showAsAction="never" />
+</menu>
diff --git a/lockchain-android/mobile/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/lockchain-android/mobile/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/lockchain-android/mobile/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>
\ No newline at end of file
diff --git a/lockchain-android/mobile/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/lockchain-android/mobile/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/lockchain-android/mobile/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>
\ No newline at end of file
diff --git a/lockchain-android/mobile/src/main/res/mipmap-hdpi/ic_launcher.png b/lockchain-android/mobile/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..a2f5908
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/mipmap-hdpi/ic_launcher.png
diff --git a/lockchain-android/mobile/src/main/res/mipmap-hdpi/ic_launcher_round.png b/lockchain-android/mobile/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..1b52399
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/mipmap-hdpi/ic_launcher_round.png
diff --git a/lockchain-android/mobile/src/main/res/mipmap-mdpi/ic_launcher.png b/lockchain-android/mobile/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..ff10afd
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/mipmap-mdpi/ic_launcher.png
diff --git a/lockchain-android/mobile/src/main/res/mipmap-mdpi/ic_launcher_round.png b/lockchain-android/mobile/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..115a4c7
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/mipmap-mdpi/ic_launcher_round.png
diff --git a/lockchain-android/mobile/src/main/res/mipmap-xhdpi/ic_launcher.png b/lockchain-android/mobile/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..dcd3cd8
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/mipmap-xhdpi/ic_launcher.png
diff --git a/lockchain-android/mobile/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/lockchain-android/mobile/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..459ca60
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/mipmap-xhdpi/ic_launcher_round.png
diff --git a/lockchain-android/mobile/src/main/res/mipmap-xxhdpi/ic_launcher.png b/lockchain-android/mobile/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..8ca12fe
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/mipmap-xxhdpi/ic_launcher.png
diff --git a/lockchain-android/mobile/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/lockchain-android/mobile/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..8e19b41
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
diff --git a/lockchain-android/mobile/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/lockchain-android/mobile/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..b824ebd
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/mipmap-xxxhdpi/ic_launcher.png
diff --git a/lockchain-android/mobile/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/lockchain-android/mobile/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..4c19a13
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
diff --git a/lockchain-android/mobile/src/main/res/values/colors.xml b/lockchain-android/mobile/src/main/res/values/colors.xml
new file mode 100644
index 0000000..3ab3e9c
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>
diff --git a/lockchain-android/mobile/src/main/res/values/dimens.xml b/lockchain-android/mobile/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..59a0b0c
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/values/dimens.xml
@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>
diff --git a/lockchain-android/mobile/src/main/res/values/strings.xml b/lockchain-android/mobile/src/main/res/values/strings.xml
new file mode 100644
index 0000000..7f9a0ef
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/values/strings.xml
@@ -0,0 +1,4 @@
+<resources>
+    <string name="app_name">Lockchain</string>
+    <string name="action_settings">Settings</string>
+</resources>
diff --git a/lockchain-android/mobile/src/main/res/values/styles.xml b/lockchain-android/mobile/src/main/res/values/styles.xml
new file mode 100644
index 0000000..545b9c6
--- /dev/null
+++ b/lockchain-android/mobile/src/main/res/values/styles.xml
@@ -0,0 +1,20 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+
+</resources>
diff --git a/lockchain-android/mobile/src/test/java/de/spacekookie/lockchain/ExampleUnitTest.kt b/lockchain-android/mobile/src/test/java/de/spacekookie/lockchain/ExampleUnitTest.kt
new file mode 100644
index 0000000..884d532
--- /dev/null
+++ b/lockchain-android/mobile/src/test/java/de/spacekookie/lockchain/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package de.spacekookie.lockchain
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
diff --git a/lockchain-android/settings.gradle b/lockchain-android/settings.gradle
new file mode 100644
index 0000000..6a4e79f
--- /dev/null
+++ b/lockchain-android/settings.gradle
@@ -0,0 +1 @@
+include ':mobile', ':wear'
diff --git a/lockchain-android/wear/.gitignore b/lockchain-android/wear/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/lockchain-android/wear/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/lockchain-android/wear/build.gradle b/lockchain-android/wear/build.gradle
new file mode 100644
index 0000000..e592df5
--- /dev/null
+++ b/lockchain-android/wear/build.gradle
@@ -0,0 +1,34 @@
+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        applicationId "de.spacekookie.lockchain"
+        minSdkVersion 23
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation 'com.google.android.support:wearable:2.3.0'
+    implementation 'com.google.android.gms:play-services-wearable:12.0.1'
+    implementation 'com.android.support:percent:27.1.0'
+    implementation 'com.android.support:support-v4:27.1.0'
+    implementation 'com.android.support:recyclerview-v7:27.1.0'
+    implementation 'com.android.support:wear:27.1.0'
+    compileOnly 'com.google.android.wearable:wearable:2.3.0'
+}
diff --git a/lockchain-android/wear/proguard-rules.pro b/lockchain-android/wear/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/lockchain-android/wear/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
diff --git a/lockchain-android/wear/src/main/AndroidManifest.xml b/lockchain-android/wear/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..2b02d59
--- /dev/null
+++ b/lockchain-android/wear/src/main/AndroidManifest.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="de.spacekookie.lockchain">
+
+    <uses-feature android:name="android.hardware.type.watch" />
+
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@android:style/Theme.DeviceDefault">
+        <uses-library
+            android:name="com.google.android.wearable"
+            android:required="true" />
+        <!--
+               Set to true if your app is Standalone, that is, it does not require the handheld
+               app to run.
+        -->
+        <meta-data
+            android:name="com.google.android.wearable.standalone"
+            android:value="true" />
+
+        <activity
+            android:name=".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>
\ No newline at end of file
diff --git a/lockchain-android/wear/src/main/java/de/spacekookie/lockchain/MainActivity.kt b/lockchain-android/wear/src/main/java/de/spacekookie/lockchain/MainActivity.kt
new file mode 100644
index 0000000..9203265
--- /dev/null
+++ b/lockchain-android/wear/src/main/java/de/spacekookie/lockchain/MainActivity.kt
@@ -0,0 +1,15 @@
+package de.spacekookie.lockchain
+
+import android.os.Bundle
+import android.support.wearable.activity.WearableActivity
+
+class MainActivity : WearableActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        // Enables Always-on
+        setAmbientEnabled()
+    }
+}
diff --git a/lockchain-android/wear/src/main/res/layout/activity_main.xml b/lockchain-android/wear/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..a5b02b2
--- /dev/null
+++ b/lockchain-android/wear/src/main/res/layout/activity_main.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.wear.widget.BoxInsetLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/dark_grey"
+    android:padding="@dimen/box_inset_layout_padding"
+    tools:context=".MainActivity"
+    tools:deviceIds="wear">
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:padding="@dimen/inner_frame_layout_padding"
+        app:boxedEdges="all">
+
+        <TextView
+            android:id="@+id/text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/hello_world" />
+
+    </FrameLayout>
+</android.support.wear.widget.BoxInsetLayout>
\ No newline at end of file
diff --git a/lockchain-android/wear/src/main/res/mipmap-hdpi/ic_launcher.png b/lockchain-android/wear/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..cde69bc
--- /dev/null
+++ b/lockchain-android/wear/src/main/res/mipmap-hdpi/ic_launcher.png
diff --git a/lockchain-android/wear/src/main/res/mipmap-mdpi/ic_launcher.png b/lockchain-android/wear/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..c133a0c
--- /dev/null
+++ b/lockchain-android/wear/src/main/res/mipmap-mdpi/ic_launcher.png
diff --git a/lockchain-android/wear/src/main/res/mipmap-xhdpi/ic_launcher.png b/lockchain-android/wear/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..bfa42f0
--- /dev/null
+++ b/lockchain-android/wear/src/main/res/mipmap-xhdpi/ic_launcher.png
diff --git a/lockchain-android/wear/src/main/res/mipmap-xxhdpi/ic_launcher.png b/lockchain-android/wear/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..324e72c
--- /dev/null
+++ b/lockchain-android/wear/src/main/res/mipmap-xxhdpi/ic_launcher.png
diff --git a/lockchain-android/wear/src/main/res/values-round/strings.xml b/lockchain-android/wear/src/main/res/values-round/strings.xml
new file mode 100644
index 0000000..452e335
--- /dev/null
+++ b/lockchain-android/wear/src/main/res/values-round/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="hello_world">Hello Round World!</string>
+</resources>
diff --git a/lockchain-android/wear/src/main/res/values/dimens.xml b/lockchain-android/wear/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..e865b41
--- /dev/null
+++ b/lockchain-android/wear/src/main/res/values/dimens.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!--
+    Because the window insets on round devices are larger than 15dp, this padding only applies
+    to square screens.
+    -->
+    <dimen name="box_inset_layout_padding">0dp</dimen>
+
+    <!--
+    This padding applies to both square and round screens. The total padding between the buttons
+    and the window insets is box_inset_layout_padding (above variable) on square screens and
+    inner_frame_layout_padding (below variable) on round screens.
+    -->
+    <dimen name="inner_frame_layout_padding">5dp</dimen>
+</resources>
diff --git a/lockchain-android/wear/src/main/res/values/strings.xml b/lockchain-android/wear/src/main/res/values/strings.xml
new file mode 100644
index 0000000..c4352d6
--- /dev/null
+++ b/lockchain-android/wear/src/main/res/values/strings.xml
@@ -0,0 +1,8 @@
+<resources>
+    <string name="app_name">Lockchain</string>
+    <!--
+    This string is used for square devices and overridden by hello_world in
+    values-round/strings.xml for round devices.
+    -->
+    <string name="hello_world">Hello Square World!</string>
+</resources>