diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4d9c6dd..9d08d76 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.acapendulum20"
-    android:versionCode="2">
+    android:versionCode="3">
 
 
     <application
diff --git a/app/src/main/java/com/example/acapendulum20/canvas/CanvasPendulum.kt b/app/src/main/java/com/example/acapendulum20/canvas/CanvasPendulum.kt
index fca999d..167060a 100644
--- a/app/src/main/java/com/example/acapendulum20/canvas/CanvasPendulum.kt
+++ b/app/src/main/java/com/example/acapendulum20/canvas/CanvasPendulum.kt
@@ -132,14 +132,14 @@ class CanvasPendulum @JvmOverloads constructor(
     }
 
     fun startMagnet(magnet: Boolean) {
-        println("startMagnet")
-        println(magnet)
+        //println("startMagnet")
+        //println(magnet)
         mPendulum.magneticField = magnet
     }
 
     fun stopMagnet(magnet: Boolean) {
-        println("stopMagnet")
-        println(magnet)
+        //println("stopMagnet")
+        //println(magnet)
         mPendulum.magneticField = magnet
     }
 
diff --git a/app/src/main/java/com/example/acapendulum20/data/MeasurementDao.kt b/app/src/main/java/com/example/acapendulum20/data/MeasurementDao.kt
index 69c21f0..df7553d 100644
--- a/app/src/main/java/com/example/acapendulum20/data/MeasurementDao.kt
+++ b/app/src/main/java/com/example/acapendulum20/data/MeasurementDao.kt
@@ -14,7 +14,7 @@ interface MeasurementDao {
     @Update
     fun  finishMeasurement(measurement: Measurement)
 
-    @Query("SELECT * FROM measurement_table WHERE owner =:id")
+    @Query("SELECT * FROM measurement_table WHERE owner =:id AND completed = 1")
     fun readAllData(id: String): LiveData<List<Measurement>>
 
     @Query("SELECT * FROM measurement_table ")
diff --git a/app/src/main/java/com/example/acapendulum20/data/SessionDao.kt b/app/src/main/java/com/example/acapendulum20/data/SessionDao.kt
deleted file mode 100644
index 4f36b1c..0000000
--- a/app/src/main/java/com/example/acapendulum20/data/SessionDao.kt
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.example.acapendulum20.data
-
-class SessionDao {
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/acapendulum20/data/SessionDatabase.kt b/app/src/main/java/com/example/acapendulum20/data/SessionDatabase.kt
deleted file mode 100644
index 60099bd..0000000
--- a/app/src/main/java/com/example/acapendulum20/data/SessionDatabase.kt
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.example.acapendulum20.data
-
-class SessionDatabase {
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/acapendulum20/fragments/pendulum/PendulumFragment.kt b/app/src/main/java/com/example/acapendulum20/fragments/pendulum/PendulumFragment.kt
index 91db921..85b8b74 100644
--- a/app/src/main/java/com/example/acapendulum20/fragments/pendulum/PendulumFragment.kt
+++ b/app/src/main/java/com/example/acapendulum20/fragments/pendulum/PendulumFragment.kt
@@ -46,7 +46,8 @@ class PendulumFragment : Fragment() {
         val saveButton = view.findViewById<Button>(R.id.speichern_btn)
 
         saveButton.setOnClickListener(){
-            finishMeasurement()
+            saveMeasurement(false, 0.00f)
+            route()
         }
 
         //Show targetVelocity and maxAttemptTime
@@ -55,44 +56,68 @@ class PendulumFragment : Fragment() {
         val timer = view.findViewById<TextView>(R.id.timer_view)
         val currentVelocity = view.findViewById<TextView>(R.id.actV_view)
 
-        targetVelocity.text = args.measurement.targetVelocity.toString()
-        maxAttemptTime.text = args.measurement.maxAttemptTime.toString()
+        // Value endTime
+        //val endTIme: Long
+
+        targetVelocity.text = args.measurement.targetVelocity.toString() + "cm/s"
+        maxAttemptTime.text = args.measurement.maxAttemptTime.toString() + "sec"
 
         //time count down for "maxAttemptTime" seconds
         //with 1 second as countDown interval
-        object : CountDownTimer(args.measurement.maxAttemptTime*1000, 1000){
+        object : CountDownTimer(args.measurement.maxAttemptTime*1000, 100){
             override fun onTick(millisUntilFinished: Long) {
-                timer.setText("sec.: " + millisUntilFinished / 1000)
-                currentVelocity.setText((mCanvasPendulum.getVelocity().toString()) + "cm/s")
+                val velocity = mCanvasPendulum.getVelocity()
+                val time =  millisUntilFinished / 1000
+                timer.setText("sec.: " + time)
+                currentVelocity.setText((velocity.toString()) + "cm/s")
+                if (velocity >= args.measurement.targetVelocity){
+                    saveMeasurement(true, velocity.toFloat())
+                    cancel()
+                }
             }
             override fun onFinish() {
                 timer.setText("done!")
+                saveMeasurement(true, 0.00f)
             }
         }.start()
 
         magnetButton.setOnTouchListener(object : View.OnTouchListener{
             override fun onTouch(v: View?, event: MotionEvent?): Boolean {
                 if (event?.action == MotionEvent.ACTION_DOWN){
-                    println("button action DOWN")
+                    //println("button action DOWN")
                     mCanvasPendulum.startMagnet(true)
                 }
 
                 if (event?.action == MotionEvent.ACTION_UP){
-                    println("button action UP")
+                    //println("button action UP")
                     mCanvasPendulum.stopMagnet(false)
                 }
                 return true
             }
         })
+
         return view
     }
 
-    private fun finishMeasurement(){
+    private fun saveMeasurement(save: Boolean, velocity: Float){
+
         val endTime = System.currentTimeMillis()
-        val measuredTime = endTime - args.measurement.startTime
-        val measurement = Measurement(args.measurement.id,args.measurement.targetVelocity,args.measurement.maxAttemptTime,args.measurement.measuredVelocity,measuredTime,args.measurement.startTime,endTime, args.measurement.owner)
+        val maxAttemptTime = args.measurement.maxAttemptTime
+        val measuredTime = ((endTime - args.measurement.startTime).toDouble()) / 1000
+        //val measuredVelocity = args.measurement.measuredVelocity
+        val targetVelocity = args.measurement.targetVelocity
+
+        //println(measuredTime)
+        if (save === true){
+        val measurement = Measurement(args.measurement.id,targetVelocity,maxAttemptTime,velocity,measuredTime,args.measurement.startTime,endTime,true, args.measurement.owner)
         mMeasurementViewmodel.finishMeasurement(measurement)
+        }
+    }
+
+    private fun route(){
         val action = PendulumFragmentDirections.actionPendulumFragmentToUpdateFragment(args.currentUser)
         findNavController().navigate(action)
     }
+
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/acapendulum20/fragments/pendulum/StartPendulumFragment.kt b/app/src/main/java/com/example/acapendulum20/fragments/pendulum/StartPendulumFragment.kt
index abd31fe..ef44426 100644
--- a/app/src/main/java/com/example/acapendulum20/fragments/pendulum/StartPendulumFragment.kt
+++ b/app/src/main/java/com/example/acapendulum20/fragments/pendulum/StartPendulumFragment.kt
@@ -57,7 +57,7 @@ class StartPendulumFragment: Fragment() {
 
         if(inputCheck(targetVelocity, maxAttemptTime)){
             //Create Measurement Object
-            val measurement = Measurement(UUID.randomUUID().toString(), targetVelocity.toFloat(),maxAttemptTime.toLong(),0.00f,0,startTime,0,owner)
+            val measurement = Measurement(UUID.randomUUID().toString(), targetVelocity.toFloat(),maxAttemptTime.toLong(),0.00f,0.00,startTime,0,false,owner)
             //Add Data to Database
             mMeasurementViewmodel.addMeasurement(measurement)
             Toast.makeText(requireContext(),"Successfully added!", Toast.LENGTH_LONG).show()
diff --git a/app/src/main/java/com/example/acapendulum20/fragments/update/SessionList.kt b/app/src/main/java/com/example/acapendulum20/fragments/update/MeasurementList.kt
similarity index 66%
rename from app/src/main/java/com/example/acapendulum20/fragments/update/SessionList.kt
rename to app/src/main/java/com/example/acapendulum20/fragments/update/MeasurementList.kt
index 7c3f02b..c68e53d 100644
--- a/app/src/main/java/com/example/acapendulum20/fragments/update/SessionList.kt
+++ b/app/src/main/java/com/example/acapendulum20/fragments/update/MeasurementList.kt
@@ -7,12 +7,11 @@ import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
 import com.example.acapendulum20.R
 import com.example.acapendulum20.model.Measurement
-import kotlinx.android.synthetic.main.custom_row.view.*
 import kotlinx.android.synthetic.main.custom_row_measurement.view.*
 import java.text.SimpleDateFormat
 import java.util.*
 
-class SessionList: RecyclerView.Adapter<SessionList.MyViewHolder>() {
+class MeasurementList: RecyclerView.Adapter<MeasurementList.MyViewHolder>() {
 
     private var sessionList = emptyList<Measurement>()
 
@@ -38,12 +37,12 @@ class SessionList: RecyclerView.Adapter<SessionList.MyViewHolder>() {
         }
 
         holder.itemView.nr_txt.text = (position+1).toString()
-        holder.itemView.dateStart_txt.text = convertLongToTime(currentItem.startTime)
-        holder.itemView.dateEnd_txt.text = convertLongToTime(currentItem.endTime)
-        holder.itemView.targetVelocity_txt.text = currentItem.targetVelocity.toString()
-        holder.itemView.velocity_txt.text = currentItem.measuredVelocity.toString()
-        holder.itemView.maxTime_txt.text = currentItem.maxAttemptTime.toString()
-        holder.itemView.time_txt.text = currentItem.measuredTime.toString()
+        holder.itemView.dateStart_txt.text = "Start: " + convertLongToTime(currentItem.startTime)
+        holder.itemView.dateEnd_txt.text = "End: " + convertLongToTime(currentItem.endTime)
+        holder.itemView.targetVelocity_txt.text ="target: " + currentItem.targetVelocity.toString() + "cm/s"
+        holder.itemView.velocity_txt.text ="measured: " + currentItem.measuredVelocity.toString() + "cm/s"
+        holder.itemView.maxTime_txt.text ="max time: " + currentItem.maxAttemptTime.toString() + "sec"
+        holder.itemView.time_txt.text ="measured time: " + currentItem.measuredTime.toString() + "sec"
     }
 
     fun setData(measurement: List<Measurement>){
diff --git a/app/src/main/java/com/example/acapendulum20/fragments/update/UpdateFragment.kt b/app/src/main/java/com/example/acapendulum20/fragments/update/UpdateFragment.kt
index edcf5bf..a66191e 100644
--- a/app/src/main/java/com/example/acapendulum20/fragments/update/UpdateFragment.kt
+++ b/app/src/main/java/com/example/acapendulum20/fragments/update/UpdateFragment.kt
@@ -8,17 +8,15 @@ import android.view.*
 import androidx.fragment.app.Fragment
 import android.widget.Toast
 import androidx.lifecycle.Observer
-import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.example.acapendulum20.R
-import com.example.acapendulum20.fragments.list.SessionList
+import com.example.acapendulum20.fragments.list.MeasurementList
 import com.example.acapendulum20.model.User
 import com.example.acapendulum20.viewmodel.MeasurementViewmodel
 import com.example.acapendulum20.viewmodel.UserViewmodel
-import kotlinx.android.synthetic.main.fragment_list.view.*
 import kotlinx.android.synthetic.main.fragment_update.*
 import kotlinx.android.synthetic.main.fragment_update.view.*
 
@@ -37,7 +35,7 @@ class UpdateFragment : Fragment() {
         val view = inflater.inflate(R.layout.fragment_update, container, false)
 
         //Recylerview
-        val adapter = SessionList()
+        val adapter = MeasurementList()
         val recyclerView = view.SessionRecyclerview
         recyclerView.adapter = adapter
         recyclerView.layoutManager = LinearLayoutManager(requireContext())
@@ -68,7 +66,7 @@ class UpdateFragment : Fragment() {
         }
 
         //Add menu
-        //setHasOptionsMenu(true)
+        setHasOptionsMenu(true)
 
         return view
     }
diff --git a/app/src/main/java/com/example/acapendulum20/model/Measurement.kt b/app/src/main/java/com/example/acapendulum20/model/Measurement.kt
index 4053cb7..14b2fd8 100644
--- a/app/src/main/java/com/example/acapendulum20/model/Measurement.kt
+++ b/app/src/main/java/com/example/acapendulum20/model/Measurement.kt
@@ -17,8 +17,9 @@ data class Measurement(
     val targetVelocity: Float,
     val maxAttemptTime: Long,
     val measuredVelocity: Float,
-    val measuredTime: Long,
+    val measuredTime: Double,
     val startTime: Long,
     val endTime: Long,
+    val completed: Boolean,
     val owner: String,
 ): Parcelable
diff --git a/app/src/main/java/com/example/acapendulum20/model/Session.kt b/app/src/main/java/com/example/acapendulum20/model/Session.kt
deleted file mode 100644
index 18ecb83..0000000
--- a/app/src/main/java/com/example/acapendulum20/model/Session.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.example.acapendulum20.model
-
-import android.os.Parcelable
-import androidx.room.Entity
-import androidx.room.ForeignKey
-import androidx.room.PrimaryKey
-import kotlinx.android.parcel.Parcelize
-
-/*@Parcelize
-@Entity(tableName = "session_table", foreignKeys = [ForeignKey(entity = User::class,
-    parentColumns = arrayOf("id"),
-    childColumns = arrayOf("userRef"),
-    onDelete = ForeignKey.CASCADE)])
-data class Session (
-    @PrimaryKey
-    val id: String,
-    val sessionStart: Long,
-    val sessionEnd: Long,
-    val userRef: String,
-
-    ): Parcelable
-    */
diff --git a/app/src/main/java/com/example/acapendulum20/repository/SessionRepository.kt b/app/src/main/java/com/example/acapendulum20/repository/SessionRepository.kt
deleted file mode 100644
index 2e07b70..0000000
--- a/app/src/main/java/com/example/acapendulum20/repository/SessionRepository.kt
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.example.acapendulum20.repository
-
-class SessionRepository {
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/acapendulum20/viewmodel/SessionViewmodel.kt b/app/src/main/java/com/example/acapendulum20/viewmodel/SessionViewmodel.kt
deleted file mode 100644
index 6628171..0000000
--- a/app/src/main/java/com/example/acapendulum20/viewmodel/SessionViewmodel.kt
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.example.acapendulum20.viewmodel
-
-class SessionViewmodel {
-}
\ No newline at end of file
diff --git a/app/src/main/res/layout/custom_row_measurement.xml b/app/src/main/res/layout/custom_row_measurement.xml
index 719466f..e460f69 100644
--- a/app/src/main/res/layout/custom_row_measurement.xml
+++ b/app/src/main/res/layout/custom_row_measurement.xml
@@ -9,6 +9,20 @@
     android:padding="24sp"
     android:layout_margin="5dp">
 
+    <Button
+        android:id="@+id/deleteMeasurement_btn"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/ic_baseline_delete_24"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintDimensionRatio="1:1"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.504"
+        app:layout_constraintWidth_percent=".06" />
+
     <TextView
         android:id="@+id/nr_txt"
         android:layout_width="24dp"