diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..eaf91e2
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index a8fce2b..8e0edab 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -1,6 +1,22 @@
 <component name="ProjectCodeStyleConfiguration">
   <code_scheme name="Project" version="173">
     <JetCodeStyleSettings>
+      <option name="PACKAGES_TO_USE_STAR_IMPORTS">
+        <value>
+          <package name="java.util" alias="false" withSubpackages="false" />
+          <package name="kotlinx.android.synthetic" alias="false" withSubpackages="true" />
+          <package name="io.ktor" alias="false" withSubpackages="true" />
+        </value>
+      </option>
+      <option name="PACKAGES_IMPORT_LAYOUT">
+        <value>
+          <package name="" alias="false" withSubpackages="true" />
+          <package name="java" alias="false" withSubpackages="true" />
+          <package name="javax" alias="false" withSubpackages="true" />
+          <package name="kotlin" alias="false" withSubpackages="true" />
+          <package name="" alias="true" withSubpackages="true" />
+        </value>
+      </option>
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>
     <codeStyleSettings language="XML">
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..245a82c
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="1.8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 8708f9d..cb41453 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -15,6 +15,7 @@
           </set>
         </option>
         <option name="resolveModulePerSourceSet" value="false" />
+        <option name="useQualifiedModuleNames" value="true" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 7bfef59..d5d35ec 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/.idea/terminal.xml b/.idea/terminal.xml
new file mode 100644
index 0000000..90d1c0b
--- /dev/null
+++ b/.idea/terminal.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="TerminalProjectOptionsProvider">
+    <option name="myStartingDirectory" value="C:\Users\Simon\AndroidStudioProjects\ElektronischePrivilegVerwaltung" />
+  </component>
+</project>
diff --git a/app/build.gradle b/app/build.gradle
index 0d3e8ac..1506460 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -4,6 +4,7 @@ import java.time.format.DateTimeFormatter
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
 apply plugin: 'com.google.android.gms.oss-licenses-plugin'
 
 android {
@@ -39,25 +40,31 @@ android {
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.core:core-ktx:1.3.0'
-    implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'com.google.android.material:material:1.1.0'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.0'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.3.0'
+    implementation 'androidx.core:core-ktx:1.3.2'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.2.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.2'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.1'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.3.1'
     implementation 'com.journeyapps:zxing-android-embedded:3.6.0@aar'
     implementation 'com.google.zxing:core:3.3.2'
     implementation 'com.android.volley:volley:1.1.1'
     implementation 'com.google.code.gson:gson:2.8.5'
     implementation 'androidx.preference:preference:1.1.1'
     implementation 'com.google.android.gms:play-services-oss-licenses:17.0.0'
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.0-beta01'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.0-beta01'
+    def room_version = "2.2.5"
+    implementation "androidx.room:room-runtime:$room_version"
+    kapt "androidx.room:room-compiler:$room_version"
+    implementation "androidx.room:room-ktx:$room_version"
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 }
 
 static def getVersion() {
-    def version = "„Library at Home“ Version "
+    def version = "„Elektronische Privileg-Verwaltung“ Version "
     version += LocalDateTime.now().format(DateTimeFormatter.BASIC_ISO_DATE) + "."
     def proc = "git log --format=\"%h\" -n 1".execute()
     proc.in.eachLine { line -> version += line }
diff --git a/app/release/app-release.apk b/app/release/app-release.apk
new file mode 100644
index 0000000..d6edaf6
Binary files /dev/null and b/app/release/app-release.apk differ
diff --git a/app/release/output-metadata.json b/app/release/output-metadata.json
new file mode 100644
index 0000000..7fb86c3
--- /dev/null
+++ b/app/release/output-metadata.json
@@ -0,0 +1,18 @@
+{
+  "version": 2,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "eu.smoser.libraryathome",
+  "variantName": "processReleaseResources",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "versionCode": 1,
+      "versionName": "1.0",
+      "outputFile": "app-release.apk"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/app/src/main/java/eu/smoser/epv/Database.kt b/app/src/main/java/eu/smoser/epv/Database.kt
new file mode 100644
index 0000000..b9bbf81
--- /dev/null
+++ b/app/src/main/java/eu/smoser/epv/Database.kt
@@ -0,0 +1,73 @@
+package eu.smoser.epv
+
+import android.content.Context
+import androidx.room.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+fun <R> CoroutineScope.executeAsyncTask(
+    onPreExecute: () -> Unit,
+    doInBackground: () -> R,
+    onPostExecute: (R) -> Unit
+) = launch {
+    onPreExecute()
+    val result = withContext(Dispatchers.IO) {
+        doInBackground()
+    }
+    onPostExecute(result)
+}
+
+@Entity
+data class User(
+    @PrimaryKey val uid: Long,
+    @ColumnInfo(name = "privilegien") val privilegien: Int,
+)
+
+@Dao
+interface UserDao {
+    @Query("SELECT * FROM user")
+    fun getAll(): List<User>
+
+    @Query("UPDATE user SET privilegien = privilegien + :modifier WHERE uid IN (:userIds)")
+    fun updateAllPrivilegien(userIds: LongArray, modifier: Int)
+
+    @Query("SELECT * FROM user WHERE uid == :id")
+    fun findById(id: Long): User
+
+    @Query("UPDATE user SET privilegien = :newPriv WHERE uid == :id")
+    fun updatePrivilegien(id: Long, newPriv: Int)
+
+    @Insert
+    fun insert(user: User)
+
+    @Delete
+    fun delete(user: User)
+}
+
+@Database(entities = [User::class], version = 2)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun userDao(): UserDao?
+
+    companion object {
+        private const val DB_NAME = "UserDatabase.db"
+
+        @Volatile
+        private var appDatabase: AppDatabase? = null
+
+        @Synchronized
+        fun getInstance(context: Context): AppDatabase {
+            if (appDatabase == null) appDatabase = create(context)
+            return appDatabase!!
+        }
+
+        private fun create(context: Context): AppDatabase {
+            return Room.databaseBuilder(
+                context,
+                AppDatabase::class.java,
+                DB_NAME
+            ).fallbackToDestructiveMigration().build()
+        }
+    }
+}
diff --git a/app/src/main/java/eu/smoser/epv/HelpActivity.kt b/app/src/main/java/eu/smoser/epv/HelpActivity.kt
index c5b53cd..5f7a2c0 100644
--- a/app/src/main/java/eu/smoser/epv/HelpActivity.kt
+++ b/app/src/main/java/eu/smoser/epv/HelpActivity.kt
@@ -2,6 +2,9 @@ package eu.smoser.epv
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.widget.Button
+import android.widget.TextView
+import androidx.lifecycle.lifecycleScope
 
 class HelpActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -10,6 +13,18 @@ class HelpActivity : AppCompatActivity() {
         setSupportActionBar(findViewById(R.id.toolbar))
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         supportActionBar?.setDisplayShowHomeEnabled(true)
+
+        findViewById<Button>(R.id.button).setOnClickListener {
+            lifecycleScope.executeAsyncTask(onPreExecute = {}, doInBackground = {
+                val dao = AppDatabase.getInstance(this@HelpActivity).userDao()
+                dao?.getAll()
+            }, onPostExecute = {
+                findViewById<TextView>(R.id.textHelp).text = ""
+                it?.forEach { user ->
+                    findViewById<TextView>(R.id.textHelp).append(user.toString() + "\n")
+                }
+            })
+        }
     }
 
     override fun onSupportNavigateUp(): Boolean {
diff --git a/app/src/main/java/eu/smoser/epv/MainActivity.kt b/app/src/main/java/eu/smoser/epv/MainActivity.kt
index 554e6fe..8b50105 100644
--- a/app/src/main/java/eu/smoser/epv/MainActivity.kt
+++ b/app/src/main/java/eu/smoser/epv/MainActivity.kt
@@ -31,9 +31,11 @@ class MainActivity : AppCompatActivity() {
 
         val editTextSearch = findViewById<EditText>(R.id.editTextSearch)
         findViewById<Button>(R.id.buttonSearch).setOnClickListener {
-            if(!editTextSearch.text.toString().trim().isBlank()) {
-                val intent = Intent(this, ResultActivity::class.java)
-                intent.putExtra("search", editTextSearch.text.toString())
+            val input = editTextSearch.text.toString().trim()
+            // TODO: set {13} after development
+            if(input.matches("\\d{1,13}".toRegex())) {
+                val intent = Intent(this@MainActivity, ResultActivity::class.java)
+                intent.putExtra("search", input)
                 startActivity(intent)
             } else {
                 Toast.makeText(this, getString(R.string.emptySearch), Toast.LENGTH_SHORT).show()
diff --git a/app/src/main/java/eu/smoser/epv/ResultActivity.kt b/app/src/main/java/eu/smoser/epv/ResultActivity.kt
index ba404b2..0b233f7 100644
--- a/app/src/main/java/eu/smoser/epv/ResultActivity.kt
+++ b/app/src/main/java/eu/smoser/epv/ResultActivity.kt
@@ -1,11 +1,81 @@
 package eu.smoser.epv
 
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.widget.Button
+import android.widget.EditText
+import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.lifecycleScope
+import java.lang.Exception
 
 class ResultActivity : AppCompatActivity() {
+    private var search = String()
+    private var user = User(0, 0)
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_result)
+
+        if (intent.extras?.getString("search") !== null) {
+            search = intent.extras?.getString("search")!!
+        } else {
+            onBackPressed()
+        }
+
+        lifecycleScope.executeAsyncTask(onPreExecute = {}, doInBackground = {
+            val dao = AppDatabase.getInstance(this@ResultActivity).userDao()
+            var tempUser = dao?.findById(search.toLong())
+            if(tempUser == null) {
+                tempUser = User(search.toLong(), 0)
+                dao?.insert(tempUser)
+            }
+            tempUser
+        }, onPostExecute = {
+            user = it
+            findViewById<TextView>(R.id.textViewId).text = user.uid.toString()
+            setCurrentPrivilegien(user.privilegien)
+        })
+
+        findViewById<Button>(R.id.buttonSave).setOnClickListener {
+            lifecycleScope.executeAsyncTask(onPreExecute = {}, doInBackground = {
+                val dao = AppDatabase.getInstance(this@ResultActivity).userDao()
+                dao?.updatePrivilegien(user.uid, getCurrentPrivilegien())
+            }, onPostExecute = {
+                onBackPressed()
+            })
+        }
+        findViewById<Button>(R.id.buttonCancel).setOnClickListener {
+            onBackPressed()
+        }
+        findViewById<Button>(R.id.buttonPlus).setOnClickListener {
+            setCurrentPrivilegien(getCurrentPrivilegien() + getModifier())
+        }
+        findViewById<Button>(R.id.buttonMinus).setOnClickListener {
+            setCurrentPrivilegien(getCurrentPrivilegien() - getModifier())
+        }
+    }
+
+    private fun getCurrentPrivilegien() : Int {
+        var ret = 0
+        try {
+            ret = Integer.parseInt(findViewById<EditText>(R.id.editTextNumberSigned).text.toString())
+        } catch (e : Exception) {
+            findViewById<EditText>(R.id.editTextNumberSigned).setText("0")
+        }
+        return ret
+    }
+
+    private fun setCurrentPrivilegien(newPriv: Int) {
+        findViewById<EditText>(R.id.editTextNumberSigned).setText(newPriv.toString())
+    }
+
+    private fun getModifier() : Int {
+        var ret = 0
+        try {
+            ret = Integer.parseInt(findViewById<EditText>(R.id.editTextNumber).text.toString())
+        } catch (e : Exception) {
+            findViewById<EditText>(R.id.editTextNumber).setText("0")
+        }
+        return ret
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/eu/smoser/epv/SettingsActivity.kt b/app/src/main/java/eu/smoser/epv/SettingsActivity.kt
index 5512a38..d3eb426 100644
--- a/app/src/main/java/eu/smoser/epv/SettingsActivity.kt
+++ b/app/src/main/java/eu/smoser/epv/SettingsActivity.kt
@@ -26,18 +26,6 @@ class SettingsActivity : AppCompatActivity() {
     class SettingsFragment : PreferenceFragmentCompat() {
         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
             setPreferencesFromResource(R.xml.root_preferences, rootKey)
-            val manPref = findPreference<SwitchPreference>("preference_auth_manual")!!
-            manPref.setOnPreferenceChangeListener{ _, newValue ->
-                val manual = newValue as Boolean
-                findPreference<EditTextPreference>("preference_auth_jwt")!!.isEnabled = manual
-                findPreference<ListPreference>("preference_auth_algo")!!.isEnabled = !manual
-                findPreference<EditTextPreference>("preference_jwt_key")!!.isEnabled = !manual
-                findPreference<ListPreference>("preference_jwt_permissions")!!.isEnabled = !manual
-                true
-            }
-            manPref.onPreferenceChangeListener.onPreferenceChange(manPref,
-                PreferenceManager.getDefaultSharedPreferences(manPref.context).
-                getBoolean("preference_auth_manual", true))
             val theme = findPreference<ListPreference>(getString(R.string.preference_rest_theme))!!
             theme.setOnPreferenceChangeListener{ _, newValue ->
                 AppCompatDelegate.setDefaultNightMode((newValue as String).toInt())
diff --git a/app/src/main/res/layout/activity_help.xml b/app/src/main/res/layout/activity_help.xml
index c37a770..c43821b 100644
--- a/app/src/main/res/layout/activity_help.xml
+++ b/app/src/main/res/layout/activity_help.xml
@@ -39,18 +39,31 @@
             android:layout_height="0dp"
             android:fillViewport="true"
             android:scrollbars="vertical"
-            app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintBottom_toTopOf="@+id/button"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent">
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
 
             <TextView
+                android:id="@+id/textHelp"
                 android:layout_width="fill_parent"
                 android:layout_height="wrap_content"
                 android:padding="@dimen/result_padding"
                 android:text="@string/help" />
         </ScrollView>
 
+        <Button
+            android:id="@+id/button"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:backgroundTint="@color/colorAccent"
+            android:text="@string/datenbank_anzeigen"
+            android:textAllCaps="false"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/textLicBody" />
+
     </androidx.constraintlayout.widget.ConstraintLayout>
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_result.xml b/app/src/main/res/layout/activity_result.xml
index 4c667b9..260cf7e 100644
--- a/app/src/main/res/layout/activity_result.xml
+++ b/app/src/main/res/layout/activity_result.xml
@@ -6,4 +6,126 @@
     android:layout_height="match_parent"
     tools:context="eu.smoser.epv.ResultActivity">
 
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:width="@dimen/fixed"
+        android:padding="@dimen/result_padding"
+        android:text="@string/pn"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toTopOf="@+id/textView3"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:width="@dimen/fixed"
+        android:labelFor="@id/editTextNumberSigned"
+        android:padding="@dimen/result_padding"
+        android:text="@string/ps"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toTopOf="@+id/buttonSave"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView" />
+
+    <EditText
+        android:id="@+id/editTextNumberSigned"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:width="@dimen/fixed"
+        android:ems="10"
+        android:inputType="numberSigned"
+        android:padding="@dimen/result_padding"
+        app:layout_constraintBottom_toTopOf="@+id/buttonCancel"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/textView3"
+        app:layout_constraintTop_toBottomOf="@+id/textViewId"
+        android:text="@string/_0"
+        android:importantForAutofill="no" />
+
+    <TextView
+        android:id="@+id/textViewId"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:width="@dimen/fixed"
+        android:padding="@dimen/result_padding"
+        android:text=""
+        app:layout_constraintBottom_toTopOf="@+id/editTextNumberSigned"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/textView"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/buttonSave"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:height="@dimen/result_padding"
+        android:backgroundTint="@color/colorAccentGreen"
+        android:text="@string/speichern"
+        android:textAllCaps="false"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/buttonCancel"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView3" />
+
+    <Button
+        android:id="@+id/buttonCancel"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:height="@dimen/result_padding"
+        android:background="@color/colorAccentRed"
+        android:text="@string/abbrechen"
+        android:textAllCaps="false"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/buttonSave"
+        app:layout_constraintTop_toBottomOf="@+id/editTextNumberSigned" />
+
+    <Button
+        android:id="@+id/buttonPlus"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:width="@dimen/fixed_third"
+        android:backgroundTint="@color/colorAccentYellow"
+        android:text="@string/plus"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toTopOf="@+id/buttonCancel"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/editTextNumber"
+        app:layout_constraintTop_toBottomOf="@+id/editTextNumberSigned"
+        app:layout_constraintVertical_bias="0.25" />
+
+    <Button
+        android:id="@+id/buttonMinus"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:width="@dimen/fixed_third"
+        android:backgroundTint="@color/colorAccentYellow"
+        android:text="@string/minus"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toTopOf="@+id/buttonSave"
+        app:layout_constraintEnd_toStartOf="@id/editTextNumber"
+        app:layout_constraintStart_toEndOf="@+id/textView3"
+        app:layout_constraintTop_toBottomOf="@+id/editTextNumberSigned"
+        app:layout_constraintVertical_bias="0.25" />
+
+    <EditText
+        android:id="@+id/editTextNumber"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:width="@dimen/fixed_third"
+        android:ems="10"
+        android:importantForAutofill="no"
+        android:inputType="number"
+        android:text="@string/_10"
+        android:textAlignment="center"
+        android:textSize="14sp"
+        app:layout_constraintBottom_toTopOf="@+id/buttonCancel"
+        app:layout_constraintEnd_toStartOf="@+id/buttonPlus"
+        app:layout_constraintStart_toEndOf="@+id/buttonMinus"
+        app:layout_constraintTop_toBottomOf="@+id/editTextNumberSigned"
+        app:layout_constraintVertical_bias="0.25" />
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 18dfa54..6edb256 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -6,4 +6,7 @@
     <color name="colorbgPrimaryDark">#002b36</color>
     <color name="colorbgPrimaryTransparent">#77657b83</color>
     <color name="colorAccent">#2aa198</color>
+    <color name="colorAccentRed">#cb4b16</color>
+    <color name="colorAccentYellow">#b58900</color>
+    <color name="colorAccentGreen">#859900</color>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 26e09f4..8d46491 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -1,3 +1,5 @@
 <resources>
     <dimen name="result_padding">10dp</dimen>
+    <dimen name="fixed">160dp</dimen>
+    <dimen name="fixed_third">50dp</dimen>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/ids.xml b/app/src/main/res/values/ids.xml
index 40e97a6..d33b578 100644
--- a/app/src/main/res/values/ids.xml
+++ b/app/src/main/res/values/ids.xml
@@ -2,4 +2,5 @@
 <resources>
     <item name="action_batch" type="id" />
     <item name="all_books" type="id" />
+    <item name="editTextNumberSigned" type="id" />
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b9b7daa..e4f453d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -9,6 +9,10 @@
     <string name="barcode">Barcode</string>
     <string name="title_activity_settings">Einstellungen</string>
     <string name="speichern">Speichern</string>
+    <string name="abbrechen">Abbrechen</string>
+    <string name="pn">Privilegien-Nummer:</string>
+    <string name="ps">Aktuelle Privilegien:</string>
+    <string name="note">Notiz:</string>
     <string name="search_new">Search new</string>
     <string name="action_about">Über</string>
     <string name="copyright">Copyright &#169; 2020 Simon Moser - info@smoser.eu</string>
@@ -21,4 +25,9 @@
     <string name="title_activity_help">Hilfe</string>
     <string name="help" tools:ignore="Typos">Lorem Ipsum</string>
     <string name="scanned">Privilegien-Nummer abgelesen</string>
+    <string name="minus">-</string>
+    <string name="plus">+</string>
+    <string name="_10">10</string>
+    <string name="_0">0</string>
+    <string name="datenbank_anzeigen">Datenbank anzeigen</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/xml/root_preferences.xml b/app/src/main/res/xml/root_preferences.xml
index 03aeda3..4a7c3dd 100644
--- a/app/src/main/res/xml/root_preferences.xml
+++ b/app/src/main/res/xml/root_preferences.xml
@@ -1,51 +1,5 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
-    <PreferenceCategory android:title="Lokaler Server">
-        <EditTextPreference
-            android:defaultValue="192.168.178.46:5000"
-            android:key="preference_local_url"
-            android:selectAllOnFocus="true"
-            android:singleLine="true"
-            android:title="URL"
-            app:useSimpleSummaryProvider="true"  />
-        <SwitchPreference
-            android:defaultValue="false"
-            android:key="preference_local_https"
-            android:title="HTTPS verwenden" />
-    </PreferenceCategory>
-    <PreferenceCategory app:title="Authentifizierung">
-        <SwitchPreference
-            android:defaultValue="true"
-            android:key="preference_auth_manual"
-            android:title="JWT manuell eingeben" />
-        <EditTextPreference
-            android:defaultValue="eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiJ9.eyJzdWIiOiJ3cml0ZSIsImV4cCI6IjE5MTAzOTA0MDAifQ.aC8PKwbDjfZagC84VlOTQvuRJpjnDXOszNX7CUlUAbs38gWC4ilffFUiTskJ75NQ-z-5O08sDV6Gwa2TEaPK3w"
-            android:key="preference_auth_jwt"
-            android:title="JWT"
-            android:selectAllOnFocus="true"
-            android:singleLine="true"
-            app:useSimpleSummaryProvider="true" />
-        <ListPreference
-            android:defaultValue="ES256"
-            android:entries="@array/jwt_algos"
-            android:entryValues="@array/jwt_algos"
-            android:key="preference_auth_algo"
-            android:title="Signatur-Algorithmus"
-            app:useSimpleSummaryProvider="true" />
-        <EditTextPreference
-            android:defaultValue=""
-            android:key="preference_jwt_key"
-            android:selectAllOnFocus="true"
-            android:singleLine="false"
-            android:title="Privater Signatur-Schlüssel" />
-        <ListPreference
-            android:defaultValue="read"
-            android:entries="@array/jwt_permissions"
-            android:entryValues="@array/jwt_permissions"
-            android:key="preference_jwt_permissions"
-            android:title="Berechtigungen"
-            app:useSimpleSummaryProvider="true" />
-    </PreferenceCategory>
     <PreferenceCategory android:title="Diverses">
 
         <ListPreference
diff --git a/build.gradle b/build.gradle
index ee5cb67..257e3f2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,12 +1,12 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = "1.3.72"
+    ext.kotlin_version = "1.4.10"
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.android.tools.build:gradle:4.1.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'com.google.android.gms:oss-licenses-plugin:0.10.2'
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index c586964..995de80 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Jul 14 15:14:17 CEST 2020
+#Thu Oct 15 12:56:28 CEST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
diff --git a/settings.gradle b/settings.gradle
index 6671ad9..d11bd8c 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,2 +1,2 @@
 include ':app'
-rootProject.name = "LibraryatHome"
\ No newline at end of file
+rootProject.name = "Elektronische Privileg-Verwaltung"