Ändere von Multi-Activity zu Multi-Fragment

app/build.gradle

@@ -4,6 +4,7 @@ apply plugin: 'kotlin-android-extensions'
 apply plugin: 'com.google.firebase.crashlytics'
 apply plugin: 'com.google.gms.google-services'
 apply plugin: 'com.mikepenz.aboutlibraries.plugin'
+apply plugin: "androidx.navigation.safeargs.kotlin"
 
 android {
     signingConfigs {
@@ -50,6 +51,9 @@ android {
     kotlinOptions {
         jvmTarget = '1.8'
     }
+    buildFeatures {
+        viewBinding true
+    }
     packagingOptions {
         pickFirst'META-INF/library_release.kotlin_module'
     }
@@ -60,6 +64,9 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.core:core-ktx:1.3.2'
+    implementation "androidx.multidex:multidex:2.0.1"
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.4'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.3.4'
     implementation 'androidx.recyclerview:recyclerview:1.1.0'
     implementation 'com.afollestad.material-dialogs:input:3.3.0'
     implementation 'com.airbnb.android:lottie:3.4.2'

app/src/main/AndroidManifest.xml

@@ -24,14 +24,10 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name="com.cyb3rko.techniklogger.ProjectActivity"
-            android:screenOrientation="portrait" />
         <activity android:name="com.cyb3rko.techniklogger.utils.About"
             android:screenOrientation="portrait" />
         <activity android:name="com.cyb3rko.techniklogger.utils.IconCredits"
             android:screenOrientation="portrait" />
-        <activity android:name="com.cyb3rko.techniklogger.EinsatzPusher"
-            android:screenOrientation="portrait" />
         <activity android:name="com.mikepenz.aboutlibraries.ui.LibsActivity"
             android:theme="@style/NoActionBar"
             android:screenOrientation="portrait" />

app/src/main/java/com/cyb3rko/techniklogger/MainActivity.kt

@@ -7,39 +7,46 @@ import android.os.Bundle
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
-import android.view.View
 import androidx.appcompat.app.AppCompatActivity
-import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.navigation.findNavController
+import androidx.navigation.ui.AppBarConfiguration
+import androidx.navigation.ui.setupActionBarWithNavController
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.input.getInputField
 import com.afollestad.materialdialogs.input.input
 import com.androidnetworking.AndroidNetworking
 import com.androidnetworking.error.ANError
 import com.androidnetworking.interfaces.StringRequestListener
-import com.cyb3rko.techniklogger.recycler.ProjectEntryViewHolder
-import com.cyb3rko.techniklogger.recycler.ProjectViewState
+import com.cyb3rko.techniklogger.databinding.ActivityMainBinding
+import com.cyb3rko.techniklogger.databinding.FragmentListingBinding
+import com.cyb3rko.techniklogger.fragments.EinsatzPusherFragment
 import com.cyb3rko.techniklogger.utils.About
 import com.parse.ParseObject
 import com.parse.ParseQuery
 import es.dmoral.toasty.Toasty
-import kotlinx.android.synthetic.main.activity_main.*
-import me.ibrahimyilmaz.kiel.adapter.RecyclerViewAdapter
-import me.ibrahimyilmaz.kiel.adapter.RecyclerViewAdapter.Companion.adapterOf
-import me.ibrahimyilmaz.kiel.core.RecyclerViewHolder
-import java.text.SimpleDateFormat
 import java.util.*
 
 class MainActivity : AppCompatActivity() {
+    private var _binding: ActivityMainBinding? = null
 
-    private var adminMode = false
-    private val data: MutableList<ProjectViewState.ProjectEntry> = mutableListOf()
     private lateinit var sharedPref: SharedPreferences
     private lateinit var sharedPrefEditor: SharedPreferences.Editor
 
+    // This property is only valid between onCreateView and onDestroyView.
+    private val binding get() = _binding!!
+
     @SuppressLint("SetTextI18n")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
+        // This property is only valid between onCreateView and onDestroyView.
+        _binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        val navController = findNavController(R.id.nav_host_fragment_activity_main)
+        // Passing each menu ID as a set of Ids because each
+        // menu should be considered as top level destinations.
+        val appBarConfiguration = AppBarConfiguration(setOf(R.id.navigation_listing))
+        setupActionBarWithNavController(navController, appBarConfiguration)
 
         sharedPref = getSharedPreferences("Safe", 0)
         sharedPrefEditor = sharedPref.edit()
@@ -47,56 +54,8 @@ class MainActivity : AppCompatActivity() {
 
         if (sharedPref.getString("name", "") == "") {
             showNameDialog()
-        } else {
-            updateAdminStatus()
         }
 
-        loading_animation.playAnimation()
-
-        val adapter = adapterOf<ProjectViewState> {
-            register(
-                layoutResource = R.layout.item_recycler_projects,
-                viewHolder = ::ProjectEntryViewHolder,
-                onBindBindViewHolder = { vh, _, text ->
-                    vh.textView.text = text.text
-                    vh.locationView.text = text.location
-                    if (text.duration != "null") {
-                        vh.dateView.text = "${SimpleDateFormat("dd.MM.yyyy", Locale.GERMANY).format(text.date)}, ${text.duration} h"
-                    } else {
-                        vh.dateView.text = SimpleDateFormat("dd.MM.yyyy", Locale.GERMANY).format(text.date)
-                    }
-                    vh.itemView.setOnClickListener {
-                        ProjectActivityBuilder(applicationContext)
-                            .setKey(text.childKey)
-                            .start()
-                    }
-                    vh.itemView.setOnLongClickListener {
-                        if (adminMode) {
-                            val intent = Intent(applicationContext, EinsatzPusher::class.java)
-                            intent.putExtra("childKey", text.childKey)
-                            intent.putExtra("name", text.text)
-                            intent.putExtra("location", text.location)
-                            intent.putExtra("date", SimpleDateFormat("dd.MM.yyyy", Locale.GERMANY).format(text.date))
-                            intent.putExtra("time", text.time)
-                            intent.putExtra("duration", text.duration)
-                            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
-                            startActivity(intent)
-                            true
-                        } else false
-                    }
-                }
-            )
-        }
-
-        adapter.submitList(data as List<ProjectViewState>?)
-        val linearLayoutManager = LinearLayoutManager(applicationContext)
-        linearLayoutManager.reverseLayout = true
-        linearLayoutManager.stackFromEnd = true
-        recycler_view.layoutManager = linearLayoutManager
-        recycler_view.adapter = adapter
-
-        loadEntries(adapter)
-
         updateCheck()
     }
 
@@ -116,82 +75,12 @@ class MainActivity : AppCompatActivity() {
                     }
 
                     positiveButton(0, "Speichern") {
-                        sharedPref.edit().putString("name", inputName.toString()).apply()
-                        updateAdminStatus()
-                    }
-                }
-            }
-    }
-
-    private fun loadEntries(adapter: RecyclerViewAdapter<ProjectViewState, RecyclerViewHolder<ProjectViewState>>) {
-        val query = ParseQuery.getQuery<ParseObject>("Einsatz")
-        query.limit = 100000
-
-        query.findInBackground { objects, e ->
-            if (e == null) {
-                objects.forEach {
-                    val dates = it["datum"].toString().split(",")
-                    val time = if (dates.size > 1) dates[1] else ""
-                    data.add(data.size, ProjectViewState.ProjectEntry(
-                        it.objectId,
-                        it["name"].toString(),
-                        it["ort"].toString(),
-                        SimpleDateFormat("yyyy.MM.dd", Locale.GERMANY).parse(dates[0])!!,
-                        time,
-                        it["dauer"].toString()
-                    ))
-                }
-
-                data.sortBy { it.date }
-                hideProgress()
-                adapter.notifyDataSetChanged()
-                recycler_view.scheduleLayoutAnimation()
-                recycler_view.scrollBy(0, -10000)
-            } else {
-                Toasty.error(applicationContext, "Abruf fehlgeschlagen", Toasty.LENGTH_SHORT).show()
-                Log.e("TechnikLogger.EinsSuche", e.message.toString())
-            }
-        }
-    }
-
-    private fun hideProgress() {
-        loading_animation.visibility = View.GONE
-        loading_animation.cancelAnimation()
-    }
-
-    private fun updateAdminStatus() {
-        val query = ParseQuery.getQuery<ParseObject>("Techniker")
-        query.whereEqualTo("name", sharedPref.getString("name", ""))
-        query.getFirstInBackground { techniker, e ->
-            if (e == null) {
-                if (techniker.getBoolean("admin")) {
-                    adminMode = true
-                    sharedPrefEditor.putBoolean("admin", adminMode)
-                    sharedPrefEditor.putString("technikerId", techniker.objectId).apply()
-                    floatingActionButton.show()
-                    floatingActionButton.setOnClickListener {
-                        startActivity(Intent(applicationContext, EinsatzPusher::class.java))
+                        sharedPref.edit().putString("name", inputName.toString()).commit()
                         finish()
+                        startActivity(Intent(applicationContext, MainActivity::class.java))
                     }
-                } else {
-                    adminMode = false
-                    sharedPrefEditor.putBoolean("admin", adminMode).apply()
-                    floatingActionButton.hide()
                 }
-            } else {
-                floatingActionButton.hide()
-                adminMode = false
-                sharedPrefEditor.putBoolean("admin", adminMode).apply()
-                Toasty.error(applicationContext, "Adminstatus unbekannt", Toasty.LENGTH_SHORT).show()
-                Log.e("TechnikLogger.TechSuche", e.message.toString())
             }
-        }
-    }
-
-    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
     }
 
     private fun updateCheck() {
@@ -211,13 +100,23 @@ class MainActivity : AppCompatActivity() {
             })
     }
 
+    override fun onSupportNavigateUp(): Boolean {
+        val navController = findNavController(R.id.nav_host_fragment_activity_main)
+        return navController.navigateUp() || super.onSupportNavigateUp()
+    }
+
+    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.
         when (item.itemId) {
             R.id.action_rename -> showNameDialog()
-            R.id.action_admin -> updateAdminStatus()
             R.id.action_about -> startActivity(Intent(applicationContext, About::class.java))
 //            R.id.action_privacy_policy ->
 //            R.id.action_terms_of_use ->

app/src/main/java/com/cyb3rko/techniklogger/ProjectActivityBuilder.kt

@@ -1,21 +0,0 @@
-package com.cyb3rko.techniklogger
-
-import android.content.Context
-import android.content.Intent
-
-class ProjectActivityBuilder(private val context: Context) {
-
-    private var childKey = ""
-
-    fun setKey(childKey: String): ProjectActivityBuilder {
-        this.childKey = childKey
-        return this
-    }
-
-    fun start() {
-        val intent = Intent(context, ProjectActivity::class.java)
-        intent.putExtra("childKey", childKey)
-        intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
-        context.startActivity(intent)
-    }
-}

app/src/main/java/com/cyb3rko/techniklogger/fragments/EinsatzPusherFragment.kt

@@ -1,26 +1,33 @@
-package com.cyb3rko.techniklogger
+package com.cyb3rko.techniklogger.fragments
 
-import android.annotation.SuppressLint
-import android.content.Intent
+import android.content.Context
 import android.os.Bundle
 import android.text.Html
 import android.text.SpannableStringBuilder
-import android.view.MenuItem
+import android.util.Log
+import android.view.LayoutInflater
 import android.view.View
-import androidx.appcompat.app.AppCompatActivity
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.navigation.fragment.findNavController
+import androidx.navigation.fragment.navArgs
 import com.afollestad.materialdialogs.MaterialDialog
+import com.cyb3rko.techniklogger.R
+import com.cyb3rko.techniklogger.databinding.FragmentEinsatzPusherBinding
 import com.google.android.material.datepicker.MaterialDatePicker
 import com.google.android.material.timepicker.MaterialTimePicker
 import com.google.android.material.timepicker.TimeFormat
 import com.parse.ParseObject
 import es.dmoral.toasty.Toasty
-import kotlinx.android.synthetic.main.activity_einsatz_pusher.*
 import java.sql.Time
 import java.text.DecimalFormat
 import java.text.SimpleDateFormat
 import java.util.*
 
-class EinsatzPusher : AppCompatActivity() {
+class EinsatzPusherFragment : Fragment() {
+    private var _binding: FragmentEinsatzPusherBinding? = null
+    private lateinit var myContext: Context
+    private val args: EinsatzPusherFragmentArgs by navArgs()
 
     private lateinit var childKey: String
     private var date = ""
@@ -31,28 +38,29 @@ class EinsatzPusher : AppCompatActivity() {
     private var duration = ""
     private lateinit var location: String
     private lateinit var name: String
-    private val simpleDateFormat = SimpleDateFormat("dd.MM.yyyy", Locale.GERMANY)
+    private val simpleDateFormat = SimpleDateFormat("dd.MM.yyyy")
 
-    @SuppressLint("SetTextI18n")
-    override fun onCreate(savedInstanceState: Bundle?) {
-        getBundleInformation()
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_einsatz_pusher)
+    // This property is only valid between onCreateView and onDestroyView.
+    private val binding get() = _binding!!
 
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        _binding = FragmentEinsatzPusherBinding.inflate(inflater, container, false)
+        val root = binding.root
+        myContext = requireContext()
+
+        getArgumentInformation()
         restoreInformation()
 
-        supportActionBar?.setDisplayHomeAsUpEnabled(true)
-
         val builder = MaterialDatePicker.Builder.datePicker().setTitleText("Datum")
         val builder2 = MaterialTimePicker.Builder().setTimeFormat(TimeFormat.CLOCK_24H).setTitleText("Von")
         val builder3 = MaterialTimePicker.Builder().setTimeFormat(TimeFormat.CLOCK_24H).setTitleText("Bis")
 
-        date_button.setOnClickListener {
-            if (date != "null") {
+        binding.dateButton.setOnClickListener {
+            if (date != "") {
                 val dateInMillis = simpleDateFormat.parse(date)!!.time
-                builder.setSelection(dateInMillis + 3600000)
+                builder.setSelection(dateInMillis + 7200000)
             }
-            if (time != "null") {
+            if (time != "") {
                 val times = time.split(" - ")
                 builder2.setHour(times[0].split(":")[0].toInt())
                     .setMinute(times[0].split(":")[1].toInt())
@@ -69,8 +77,8 @@ class EinsatzPusher : AppCompatActivity() {
             var minutesInMillis: Long
             picker.addOnPositiveButtonClickListener {
                 date = simpleDateFormat.format(Date(it))
-                date_view.text = Html.fromHtml("<b>Datum:</b><br/>${date}")
-                picker2.show(supportFragmentManager, picker2.tag)
+                binding.dateView.text = Html.fromHtml("<b>Datum:</b><br/>${date}")
+                activity?.let { it1 -> picker2.show(it1.supportFragmentManager, picker2.tag) }
             }
             picker2.addOnPositiveButtonClickListener {
                 hour = picker2.hour.toString()
@@ -81,7 +89,7 @@ class EinsatzPusher : AppCompatActivity() {
                 minutesInMillis = picker2.minute.toLong() * 60000
                 time1 = Time(hoursInMillis + minutesInMillis)
                 tempTime += "${hour}:${minute} - "
-                picker3.show(supportFragmentManager, picker3.tag)
+                activity?.let { it1 -> picker3.show(it1.supportFragmentManager, picker3.tag) }
             }
             picker3.addOnPositiveButtonClickListener {
                 hour = picker3.hour.toString()
@@ -95,30 +103,38 @@ class EinsatzPusher : AppCompatActivity() {
                 time = tempTime
                 duration = DecimalFormat("#.#").format((time2.time - time1.time) / 3600 / 1000.toFloat())
                 duration = duration.replace(",", ".")
-                duration_view.text = Html.fromHtml("<b>Dauer:</b> $time Uhr, $duration Stunden")
+                binding.durationView.text = Html.fromHtml("<b>Dauer:</b> $time Uhr, $duration Stunden")
             }
-            picker.show(supportFragmentManager, picker.tag)
+            activity?.let { it1 -> picker.show(it1.supportFragmentManager, picker.tag) }
         }
 
-        if (childKey != "null") {
-            delete_button.visibility = View.VISIBLE
-            delete_button.setOnClickListener {
-                MaterialDialog(this)
+        if (childKey != "") {
+            binding.deleteButton.visibility = View.VISIBLE
+            binding.deleteButton.setOnClickListener {
+                MaterialDialog(myContext)
                     .show {
                         message(0, "Möchtest du diesen Einsatz entfernen?")
                         positiveButton(0, "Ja") {
-                            entry.deleteInBackground()
+                            entry.deleteInBackground {
+                                if (it == null) {
+                                    findNavController().navigate(R.id.navigation_listing)
+                                } else {
+                                    Toasty.error(myContext, "Fehler bei Löschung").show()
+                                    Log.e("TechnikLogger.Einsätze", it.message.toString())
+                                }
+                            }
+
                         }
                         negativeButton(0, "Abbrechen")
                     }
             }
         }
 
-        finished_button.setOnClickListener {
-            val name = nameEditText.text.toString()
-            val location = locationEditText.text.toString()
+        binding.finishedButton.setOnClickListener {
+            val name = binding.nameEditText.text.toString()
+            val location = binding.locationEditText.text.toString()
 
-            if (name != "" && location != "" && time != "null") {
+            if (name != "" && location != "" && time != "") {
                 entry.put("name", name)
                 entry.put("ort", location)
                 val dateTimes = date.split(".")
@@ -126,66 +142,54 @@ class EinsatzPusher : AppCompatActivity() {
                 if (time != "") dateTime += ",$time"
                 entry.put("datum", dateTime)
                 entry.put("dauer", duration.toFloat())
-                if (childKey == "null") {
+                if (childKey == "") {
                     entry.put("techniker", listOf<String>())
                 }
-                entry.saveInBackground()
-                finish()
-                startActivity(Intent(applicationContext, MainActivity::class.java))
+                entry.saveInBackground() {
+                    if (it == null) {
+                        findNavController().navigate(R.id.navigation_listing)
+                    } else {
+                        Toasty.error(myContext, "Fehler bei Speicherung").show()
+                        Log.e("TechnikLogger.Einsätze", it.message.toString())
+                    }
+                }
             } else {
-                Toasty.error(applicationContext, "Fülle zuerst alle Felder aus").show()
+                Toasty.error(myContext, "Fülle zuerst alle Felder aus").show()
             }
         }
+
+        return root
     }
 
-    private fun getBundleInformation() {
-        childKey = intent.extras?.getString("childKey").toString()
-        name = intent.extras?.getString("name").toString()
-        location = intent.extras?.getString("location").toString()
-        date = intent.extras?.getString("date").toString()
-        time = intent.extras?.getString("time").toString()
-        duration = intent.extras?.getString("duration").toString()
+    private fun getArgumentInformation() {
+        childKey = args.childKey
+        name = args.name
+        location = args.location
+        date = args.date
+        time = args.time
+        duration = args.duration
     }
 
     private fun restoreInformation() {
-        if (name != "null") {
-            nameEditText.text = SpannableStringBuilder(name)
+        if (name != "") {
+            binding.nameEditText.text = SpannableStringBuilder(name)
         }
-        if (location != "null") {
-            locationEditText.text = SpannableStringBuilder(location)
+        if (location != "") {
+            binding.locationEditText.text = SpannableStringBuilder(location)
         }
-        if (date != "null") {
-            date_view.text = Html.fromHtml("<b>Datum:</b><br/>${date}")
+        if (date != "") {
+            binding.dateView.text = Html.fromHtml("<b>Datum:</b><br/>${date}")
         }
-        if (time != "null") {
-            duration_view.text = Html.fromHtml("<b>Dauer:</b> $time Uhr, $duration Stunden")
-        } else if (duration != "null") {
-            duration_view.text = Html.fromHtml("<b>Dauer:</b> $duration Stunden")
+        if (time != "") {
+            binding.durationView.text = Html.fromHtml("<b>Dauer:</b> $time Uhr, $duration Stunden")
+        } else if (duration != "") {
+            binding.durationView.text = Html.fromHtml("<b>Dauer:</b> $duration Stunden")
         }
 
-        if (childKey == "null") {
+        if (childKey == "") {
             entry = ParseObject("Einsatz")
         } else {
             entry = ParseObject.createWithoutData("Einsatz", childKey)
         }
     }
-
-    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.
-        when (item.itemId) {
-            android.R.id.home -> {
-                finish()
-                startActivity(Intent(applicationContext, MainActivity::class.java))
-            }
-        }
-
-        return super.onOptionsItemSelected(item)
-    }
-
-    override fun onBackPressed() {
-        finish()
-        startActivity(Intent(applicationContext, MainActivity::class.java))
-    }
 }

app/src/main/java/com/cyb3rko/techniklogger/fragments/ListingFragment.kt

@@ -0,0 +1,165 @@
+package com.cyb3rko.techniklogger.fragments
+
+import android.content.Context
+import android.content.Intent
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.navigation.fragment.findNavController
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.cyb3rko.techniklogger.R
+import com.cyb3rko.techniklogger.databinding.FragmentListingBinding
+import com.cyb3rko.techniklogger.recycler.ProjectEntryViewHolder
+import com.cyb3rko.techniklogger.recycler.ProjectViewState
+import com.parse.ParseObject
+import com.parse.ParseQuery
+import es.dmoral.toasty.Toasty
+import me.ibrahimyilmaz.kiel.adapter.RecyclerViewAdapter
+import me.ibrahimyilmaz.kiel.core.RecyclerViewHolder
+import java.text.SimpleDateFormat
+import java.util.*
+
+class ListingFragment : Fragment() {
+    private var _binding: FragmentListingBinding? = null
+    private lateinit var myContext: Context
+
+    private var adminMode = false
+    private val data: MutableList<ProjectViewState.ProjectEntry> = mutableListOf()
+    private lateinit var sharedPref: SharedPreferences
+    private lateinit var sharedPrefEditor: SharedPreferences.Editor
+
+    // This property is only valid between onCreateView and onDestroyView.
+    private val binding get() = _binding!!
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        _binding = FragmentListingBinding.inflate(inflater, container, false)
+        val root = binding.root
+        myContext = requireContext()
+
+        sharedPref = myContext.getSharedPreferences("Safe", 0)
+        sharedPrefEditor = sharedPref.edit()
+        sharedPrefEditor.apply()
+
+        binding.loadingAnimation.playAnimation()
+
+        val adapter = RecyclerViewAdapter.adapterOf<ProjectViewState> {
+            register(
+                layoutResource = R.layout.item_recycler_projects,
+                viewHolder = ::ProjectEntryViewHolder,
+                onBindBindViewHolder = { vh, _, text ->
+                    vh.textView.text = text.text
+                    vh.locationView.text = text.location
+                    if (text.duration != "null") {
+                        vh.dateView.text = "${SimpleDateFormat("dd.MM.yyyy", Locale.GERMANY).format(text.date)}, ${text.duration} h"
+                    } else {
+                        vh.dateView.text = SimpleDateFormat("dd.MM.yyyy", Locale.GERMANY).format(text.date)
+                    }
+                    vh.itemView.setOnClickListener {
+                        val action = ListingFragmentDirections.navigateToProject(childKey = text.childKey)
+                        findNavController().navigate(action)
+                    }
+                    vh.itemView.setOnLongClickListener {
+                        if (adminMode) {
+                            val action = ListingFragmentDirections.navigateToPusher(
+                                childKey = text.childKey,
+                                name = text.text,
+                                location = text.location,
+                                date = SimpleDateFormat("dd.MM.yyyy", Locale.GERMANY).format(text.date),
+                                time = text.time,
+                                duration = text.duration
+                            )
+                            findNavController().navigate(action)
+                            true
+                        } else false
+                    }
+                }
+            )
+        }
+
+        adapter.submitList(data as List<ProjectViewState>?)
+        val linearLayoutManager = LinearLayoutManager(myContext)
+        linearLayoutManager.reverseLayout = true
+        linearLayoutManager.stackFromEnd = true
+        binding.recyclerView.layoutManager = linearLayoutManager
+        binding.recyclerView.adapter = adapter
+
+        loadEntries(adapter)
+
+        return root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        updateAdminStatus()
+    }
+
+    private fun loadEntries(adapter: RecyclerViewAdapter<ProjectViewState, RecyclerViewHolder<ProjectViewState>>) {
+        data.clear()
+        val query = ParseQuery.getQuery<ParseObject>("Einsatz")
+        query.limit = 100000
+
+        query.findInBackground { objects, e ->
+            if (e == null) {
+                objects.forEach {
+                    val dates = it["datum"].toString().split(",")
+                    val time = if (dates.size > 1) dates[1] else ""
+                    data.add(data.size, ProjectViewState.ProjectEntry(
+                        it.objectId,
+                        it["name"].toString(),
+                        it["ort"].toString(),
+                        SimpleDateFormat("yyyy.MM.dd", Locale.GERMANY).parse(dates[0])!!,
+                        time,
+                        it["dauer"].toString()
+                    ))
+                }
+
+                data.sortBy { it.date }
+                hideProgress()
+                adapter.notifyDataSetChanged()
+                binding.recyclerView.scheduleLayoutAnimation()
+                binding.recyclerView.scrollBy(0, -10000)
+            } else {
+                Toasty.error(myContext, "Abruf fehlgeschlagen", Toasty.LENGTH_SHORT).show()
+                Log.e("TechnikLogger.EinsSuche", e.message.toString())
+            }
+        }
+    }
+
+    private fun hideProgress() {
+        binding.loadingAnimation.visibility = View.GONE
+        binding.loadingAnimation.cancelAnimation()
+    }
+
+    private fun updateAdminStatus() {
+        val query = ParseQuery.getQuery<ParseObject>("Techniker")
+        query.whereEqualTo("name", sharedPref.getString("name", ""))
+        query.getFirstInBackground { techniker, e ->
+            if (e == null) {
+                if (techniker.getBoolean("admin")) {
+                    adminMode = true
+                    sharedPrefEditor.putBoolean("admin", adminMode)
+                    sharedPrefEditor.putString("technikerId", techniker.objectId).apply()
+                    binding.floatingActionButton.show()
+                    binding.floatingActionButton.setOnClickListener {
+                        val action = ListingFragmentDirections.navigateToPusher()
+                        findNavController().navigate(action)
+                    }
+                } else {
+                    adminMode = false
+                    sharedPrefEditor.putBoolean("admin", adminMode).apply()
+                    binding.floatingActionButton.hide()
+                }
+            } else {
+                binding.floatingActionButton.hide()
+                adminMode = false
+                sharedPrefEditor.putBoolean("admin", adminMode).apply()
+                Toasty.error(myContext, "Adminstatus unbekannt", Toasty.LENGTH_SHORT).show()
+                Log.e("TechnikLogger.TechSuche", e.message.toString())
+            }
+        }
+    }
+}

app/src/main/java/com/cyb3rko/techniklogger/fragments/ProjectFragment.kt

@@ -1,13 +1,13 @@
-package com.cyb3rko.techniklogger
+package com.cyb3rko.techniklogger.fragments
 
 import android.annotation.SuppressLint
+import android.content.Context
 import android.content.SharedPreferences
 import android.os.Bundle
 import android.util.Log
-import android.view.Menu
-import android.view.MenuItem
-import android.view.View
-import androidx.appcompat.app.AppCompatActivity
+import android.view.*
+import androidx.fragment.app.Fragment
+import androidx.navigation.fragment.navArgs
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.input.getInputField
@@ -15,21 +15,23 @@ import com.afollestad.materialdialogs.input.input
 import com.afollestad.materialdialogs.list.isItemChecked
 import com.afollestad.materialdialogs.list.listItemsMultiChoice
 import com.afollestad.materialdialogs.list.uncheckItems
+import com.cyb3rko.techniklogger.R
+import com.cyb3rko.techniklogger.databinding.FragmentProjectBinding
 import com.cyb3rko.techniklogger.recycler.ProjectTechnikerViewHolder
 import com.cyb3rko.techniklogger.recycler.ProjectTechnikerViewState
 import com.parse.ParseObject
 import com.parse.ParseQuery
 import es.dmoral.toasty.Toasty
-import kotlinx.android.synthetic.main.activity_main.*
 import java.lang.IndexOutOfBoundsException
 import me.ibrahimyilmaz.kiel.adapter.RecyclerViewAdapter.Companion.adapterOf
-import kotlinx.android.synthetic.main.activity_project.*
-import kotlinx.android.synthetic.main.activity_project.recycler_view
 import me.ibrahimyilmaz.kiel.adapter.RecyclerViewAdapter
 import me.ibrahimyilmaz.kiel.core.RecyclerViewHolder
 
 @SuppressLint("SetTextI18n")
-class ProjectActivity : AppCompatActivity() {
+class ProjectFragment : Fragment() {
+    private var _binding: FragmentProjectBinding? = null
+    private lateinit var myContext: Context
+    private val args: ProjectFragmentArgs by navArgs()
 
     private lateinit var adapter: RecyclerViewAdapter<ProjectTechnikerViewState, RecyclerViewHolder<ProjectTechnikerViewState>>
     private var adminMode = false
@@ -38,16 +40,19 @@ class ProjectActivity : AppCompatActivity() {
     private lateinit var sharedPref: SharedPreferences
     private val techniker: MutableList<ProjectTechnikerViewState.ProjectTechniker> = mutableListOf()
 
-    override fun onCreate(savedInstanceState: Bundle?) {
-        childKey = intent.extras?.getString("childKey").toString()
-        einsatz = ParseObject.createWithoutData("Einsatz", childKey)
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_project)
-        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+    private val binding get() = _binding!!
 
-        sharedPref = getSharedPreferences("Safe", 0)
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        _binding = FragmentProjectBinding.inflate(inflater, container, false)
+        val root = binding.root
+        myContext = requireContext()
+
+        sharedPref = myContext.getSharedPreferences("Safe", 0)
         adminMode = sharedPref.getBoolean("admin", false)
 
+        childKey = args.childKey
+        einsatz = ParseObject.createWithoutData("Einsatz", childKey)
+
         adapter = adapterOf {
             register(
                 layoutResource = R.layout.item_recycler_techniker,
@@ -56,7 +61,7 @@ class ProjectActivity : AppCompatActivity() {
                     vh.textView.text = text.name
                     vh.itemView.setOnClickListener {
                         if (adminMode) {
-                            MaterialDialog(this@ProjectActivity)
+                            MaterialDialog(myContext)
                                 .show {
                                     message(text = "Möchtest du \'${text.name}\' entfernen?")
                                     positiveButton(text = "Ja") {
@@ -64,8 +69,8 @@ class ProjectActivity : AppCompatActivity() {
                                         einsatz.put("techniker", techniker)
                                         einsatz.saveInBackground()
                                         adapter.notifyDataSetChanged()
-                                        this@ProjectActivity.recycler_view.scheduleLayoutAnimation()
-                                        this@ProjectActivity.techniker_view.text = "Techniker: ${techniker.size}"
+                                        binding.recyclerView.scheduleLayoutAnimation()
+                                        binding.technikerView.text = "Techniker: ${techniker.size}"
                                         if (techniker.size == 0) showDivider(false)
                                     }
                                     negativeButton(text = "Abbrechen")
@@ -96,35 +101,35 @@ class ProjectActivity : AppCompatActivity() {
                                 techniker.add(ProjectTechnikerViewState.ProjectTechniker(it.getString("name")!!, it.objectId))
                             }
                             techniker.sortBy { it.name }
-                            recycler_view.scheduleLayoutAnimation()
+                            binding.recyclerView.scheduleLayoutAnimation()
                             adapter.notifyDataSetChanged()
-                            techniker_view.text = "Techniker: ${techniker.size}"
+                            binding.technikerView.text = "Techniker: ${techniker.size}"
                             showDivider()
                         } else {
-                            Toasty.error(applicationContext, "Fehler bei Id-Abfrage", Toasty.LENGTH_SHORT).show()
+                            Toasty.error(myContext, "Fehler bei Id-Abfrage", Toasty.LENGTH_SHORT).show()
                             Log.e("TechnikLogger.TechSuche", e2.message.toString())
                         }
                     }
                 }
 
-                title_view.text = einsatz["name"].toString()
-                location_view.text = einsatz["ort"].toString()
+                binding.titleView.text = einsatz["name"].toString()
+                binding.locationView.text = einsatz["ort"].toString()
                 val dates = einsatz["datum"].toString().split(",")
                 val dateParts = dates[0].split(".")
                 val date = "${dateParts[2]}.${dateParts[1]}.${dateParts[0]}"
                 val time = if (dates.size > 1) ", ${dates[1]}" else ""
-                date_view.text = date + time
+                binding.dateView.text = date + time
             } else {
-                Toasty.error(applicationContext, "Abruf fehlgeschlagen", Toasty.LENGTH_SHORT).show()
+                Toasty.error(myContext, "Abruf fehlgeschlagen", Toasty.LENGTH_SHORT).show()
                 Log.e("TechnikLogger.TechSuche", e.message.toString())
             }
         }
 
         adapter.submitList(techniker as List<ProjectTechnikerViewState>?)
-        recycler_view.layoutManager = LinearLayoutManager(applicationContext)
-        recycler_view.adapter = adapter
+        binding.recyclerView.layoutManager = LinearLayoutManager(myContext)
+        binding.recyclerView.adapter = adapter
 
-        add_button.setOnClickListener {
+        binding.addButton.setOnClickListener {
             val name = sharedPref.getString("name", "invalid")!!
             if (!adminMode) selfAdd(name) else bothAdd(name)
         }
@@ -132,9 +137,9 @@ class ProjectActivity : AppCompatActivity() {
         emptyCheck()
 
         if (adminMode) {
-            reset_button.visibility = View.VISIBLE
-            reset_button.setOnClickListener {
-                MaterialDialog(this).show {
+            binding.resetButton.visibility = View.VISIBLE
+            binding.resetButton.setOnClickListener {
+                MaterialDialog(myContext).show {
                     message(text = "Möchtest du alle eingetragenen Techniker entfernen?")
                     positiveButton(text = "Ja") {
                         einsatz.put("techniker", listOf<String>())
@@ -142,12 +147,14 @@ class ProjectActivity : AppCompatActivity() {
                         techniker.clear()
                         adapter.notifyDataSetChanged()
                         showDivider(false)
-                        this@ProjectActivity.techniker_view.text = "Techniker: ${techniker.size}"
+                        binding.technikerView.text = "Techniker: ${techniker.size}"
                     }
                     negativeButton(text = "Abbrechen")
                 }
             }
         }
+
+        return root
     }
 
     private fun technikerExists(name: String): Boolean {
@@ -160,7 +167,7 @@ class ProjectActivity : AppCompatActivity() {
     }
 
     private fun bothAdd(name: String) {
-        MaterialDialog(this)
+        MaterialDialog(myContext)
             .show {
                 message(text = "Möchtest du nur dich oder auch andere Techniker eintragen?")
                 positiveButton(text = "Mich") {
@@ -175,7 +182,7 @@ class ProjectActivity : AppCompatActivity() {
     private fun selfAdd(name: String, skip: Boolean = false) {
         if (!technikerExists(name)) {
             if (!skip) {
-                MaterialDialog(this).show {
+                MaterialDialog(myContext).show {
                     message(text = "Möchtest du dich als involvierter Techniker eintragen?")
                     positiveButton(text = "Ja") {
                         val entry = ParseObject.createWithoutData("Einsatz", childKey)
@@ -185,8 +192,8 @@ class ProjectActivity : AppCompatActivity() {
                         techniker.sortBy { it.name }
                         adapter.notifyDataSetChanged()
                         showDivider(true)
-                        this@ProjectActivity.recycler_view.scheduleLayoutAnimation()
-                        this@ProjectActivity.techniker_view.text = "Techniker: ${techniker.size}"
+                        binding.recyclerView.scheduleLayoutAnimation()
+                        binding.technikerView.text = "Techniker: ${techniker.size}"
                     }
                     negativeButton(text = "Abbrechen")
                 }
@@ -198,11 +205,11 @@ class ProjectActivity : AppCompatActivity() {
                 techniker.sortBy { it.name }
                 adapter.notifyDataSetChanged()
                 showDivider(true)
-                this@ProjectActivity.recycler_view.scheduleLayoutAnimation()
-                this@ProjectActivity.techniker_view.text = "Techniker: ${techniker.size}"
+                binding.recyclerView.scheduleLayoutAnimation()
+                binding.technikerView.text = "Techniker: ${techniker.size}"
             }
         } else {
-            MaterialDialog(this)
+            MaterialDialog(myContext)
                 .show {
                     message(text = "Du bist bereits eingetragen.")
                     positiveButton(text = "Ok")
@@ -231,7 +238,7 @@ class ProjectActivity : AppCompatActivity() {
                     }
                 }
                 val intArray = currentSelection.toIntArray()
-                MaterialDialog(this@ProjectActivity).show {
+                MaterialDialog(myContext).show {
                     listItemsMultiChoice(items = names, initialSelection = intArray, disabledIndices = intArray)
                     positiveButton(text = "Hinzufügen") {
                         it.uncheckItems(intArray)
@@ -248,34 +255,34 @@ class ProjectActivity : AppCompatActivity() {
                         techniker.sortBy { it.name }
                         adapter.notifyDataSetChanged()
                         showDivider(true)
-                        this@ProjectActivity.recycler_view.scheduleLayoutAnimation()
-                        this@ProjectActivity.techniker_view.text = "Techniker: ${techniker.size}"
+                        binding.recyclerView.scheduleLayoutAnimation()
+                        binding.technikerView.text = "Techniker: ${techniker.size}"
                     }
                     negativeButton(text = "Abbrechen") {
                         addTechniker.clear()
                     }
                 }
             } else {
-                Toasty.error(applicationContext, "Fehler bei Id-Abfrage", Toasty.LENGTH_SHORT).show()
+                Toasty.error(myContext, "Fehler bei Id-Abfrage", Toasty.LENGTH_SHORT).show()
                 Log.e("TechnikLogger.TechSuche", e.message.toString())
             }
         }
     }
 
     private fun showDivider(show: Boolean = true) {
-        divider.visibility = if (show) View.VISIBLE else View.GONE
+        binding.divider.visibility = if (show) View.VISIBLE else View.GONE
     }
 
     private fun emptyCheck() {
         if (techniker.isEmpty()) {
-            divider.visibility = View.GONE
+            binding.divider.visibility = View.GONE
         }
     }
 
     private fun showNameDialog() {
-        val currentName = getSharedPreferences("Safe", 0).getString("name", "")
+        val currentName = myContext.getSharedPreferences("Safe", 0).getString("name", "")
 
-        MaterialDialog(this)
+        MaterialDialog(myContext)
             .cancelable(false)
             .title(0, "Bitte gebe deinen Namen ein")
             .show {
@@ -288,32 +295,10 @@ class ProjectActivity : AppCompatActivity() {
                     }
 
                     positiveButton {
-                        getSharedPreferences("Safe", 0).edit().putString("name", inputName.toString()).apply()
+                        myContext.getSharedPreferences("Safe", 0).edit().putString("name", inputName.toString()).apply()
                     }
                 }
                 positiveButton(0, "Speichern")
             }
     }
-
-    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.
-        when (item.itemId) {
-            android.R.id.home -> finish()
-            R.id.action_rename -> showNameDialog()
-//            R.id.action_icons -> setContentView(AboutIcons(applicationContext, R.drawable::class.java).setTitle("Benutzte Icons").get())
-//            R.id.action_libraries -> LibsBuilder().start(this)
-//            R.id.action_privacy_policy ->
-//            R.id.action_terms_of_use ->
-        }
-
-        return super.onOptionsItemSelected(item)
-    }
 }

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

@@ -1,59 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout
+    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/container"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    tools:context=".MainActivity">
+    android:layout_height="match_parent">
 
-    <TextView
-        android:id="@+id/title"
+    <fragment
+        android:id="@+id/nav_host_fragment_activity_main"
+        android:name="androidx.navigation.fragment.NavHostFragment"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        android:layout_marginTop="12dp"
-        android:gravity="center_horizontal"
-        android:text="Einsätze"
-        android:textSize="26sp"
-        android:textStyle="bold"
-        android:fontFamily="sans-serif-black"
-        tools:ignore="HardcodedText" />
+        android:layout_height="match_parent"
+        app:defaultNavHost="true"
+        app:navGraph="@navigation/mobile_navigation" />
 
-    <com.airbnb.lottie.LottieAnimationView
-        android:id="@+id/loading_animation"
-        android:layout_width="150dp"
-        android:layout_height="150dp"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="@id/recycler_view"
-        android:layout_marginTop="30dp"
-        app:lottie_fileName="loading.json"
-        app:lottie_loop="true"
-        app:lottie_speed="1.5"/>
-
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/recycler_view"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_marginTop="12dp"
-        android:layoutAnimation="@anim/recycler_animation"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/title" />
-
-    <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/floatingActionButton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginEnd="20dp"
-        android:layout_marginBottom="20dp"
-        android:src="@drawable/_icon_add"
-        android:visibility="gone"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>
+</RelativeLayout>

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

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout 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:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -80,7 +81,7 @@
                 android:layout_height="wrap_content"
                 android:text="Datum:\n---"
                 android:textAlignment="center"
-                android:layout_gravity="center_vertical"
+                android:layout_gravity="center"
                 android:foregroundGravity="center_vertical"
                 android:layout_marginStart="20dp"
                 android:textSize="16sp"/>
@@ -123,7 +124,7 @@
                 android:layout_marginTop="10dp"
                 android:layout_marginBottom="10dp"
                 android:textAlignment="center"
-                android:layout_gravity="center_vertical"
+                android:layout_gravity="center"
                 android:foregroundGravity="center_vertical"
                 android:layout_marginStart="20dp"
                 android:textSize="16sp"/>
@@ -155,6 +156,7 @@
         android:visibility="gone"
         style="@style/Widget.MaterialComponents.Button"
         android:textSize="12sp"
-        android:text="Einsatz entfernen" />
+        android:text="Einsatz entfernen"
+        tools:visibility="visible" />
 
 </LinearLayout>

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

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.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"
+    android:orientation="vertical"
+    tools:context=".MainActivity">
+
+    <TextView
+        android:id="@+id/title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:layout_marginTop="12dp"
+        android:gravity="center_horizontal"
+        android:text="Einsätze"
+        android:textSize="26sp"
+        android:textStyle="bold"
+        android:fontFamily="sans-serif-black"
+        tools:ignore="HardcodedText" />
+
+    <com.airbnb.lottie.LottieAnimationView
+        android:id="@+id/loading_animation"
+        android:layout_width="150dp"
+        android:layout_height="150dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@id/recycler_view"
+        android:layout_marginTop="30dp"
+        app:lottie_fileName="loading.json"
+        app:lottie_loop="true"
+        app:lottie_speed="1.5"/>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginTop="12dp"
+        android:layoutAnimation="@anim/recycler_animation"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/title" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/floatingActionButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="20dp"
+        android:layout_marginBottom="20dp"
+        android:src="@drawable/_icon_add"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/menu/menu_main.xml

@@ -7,11 +7,6 @@
         android:title="Namen ändern"
         app:showAsAction="never" />
 
-    <item
-        android:id="@+id/action_admin"
-        android:title="Adminstatus abrufen"
-        app:showAsAction="never" />
-
     <item
         android:id="@+id/action_about"
         android:title="Über"

app/src/main/res/navigation/mobile_navigation.xml

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation 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/mobile_navigation"
+    app:startDestination="@+id/navigation_listing">
+
+    <fragment
+        android:id="@+id/navigation_listing"
+        android:name="com.cyb3rko.techniklogger.fragments.ListingFragment"
+        android:label="Einsätze"
+        tools:layout="@layout/fragment_listing">
+        <action
+            android:id="@+id/navigateToProject"
+            app:destination="@id/navigation_project" />
+        <action
+            android:id="@+id/navigateToPusher"
+            app:destination="@id/navigation_einsatz_pusher" />
+    </fragment>
+
+    <fragment
+        android:id="@+id/navigation_project"
+        android:name="com.cyb3rko.techniklogger.fragments.ProjectFragment"
+        android:label="Einsatz"
+        tools:layout="@layout/fragment_project" >
+        <argument
+            android:name="childKey"
+            app:argType="string"
+            android:defaultValue="" />
+        <action
+            android:id="@+id/navigateToListing"
+            app:destination="@id/navigation_listing" />
+    </fragment>
+
+    <fragment
+        android:id="@+id/navigation_einsatz_pusher"
+        android:name="com.cyb3rko.techniklogger.fragments.EinsatzPusherFragment"
+        android:label="Einsatz bearbeiten"
+        tools:layout="@layout/fragment_einsatz_pusher">
+        <action
+            android:id="@+id/navigateToListing"
+            app:destination="@id/navigation_listing" />
+        <argument
+            android:name="childKey"
+            app:argType="string"
+            android:defaultValue="" />
+        <argument
+            android:name="name"
+            app:argType="string"
+            android:defaultValue=""/>
+        <argument
+            android:name="location"
+            app:argType="string"
+            android:defaultValue=""/>
+        <argument
+            android:name="date"
+            app:argType="string"
+            android:defaultValue=""/>
+        <argument
+            android:name="time"
+            app:argType="string"
+            android:defaultValue=""/>
+        <argument
+            android:name="duration"
+            app:argType="string"
+            android:defaultValue=""/>
+    </fragment>
+
+</navigation>

build.gradle

@@ -12,6 +12,7 @@ buildscript {
         classpath 'com.google.gms:google-services:4.3.4'
         classpath "com.mikepenz.aboutlibraries.plugin:aboutlibraries-plugin:$about_libraries_version"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "androidx.navigation:navigation-safe-args-gradle-plugin:2.3.4"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files