added usbserial lib

app/build.gradle

@@ -1,14 +1,14 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion 30
     defaultConfig {
-        applicationId "fmaps.grabow.com.location001"
+        applicationId "hendrikschutter.com.externgnss"
-        minSdkVersion 14
+        minSdkVersion 17
-        targetSdkVersion 28
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
     buildTypes {
         release {
@@ -20,11 +20,12 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'androidx.appcompat:appcompat:1.0.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'pub.devrel:easypermissions:2.0.1'
+    implementation 'pub.devrel:easypermissions:3.0.0'
-    implementation 'com.android.support:design:28.0.0'
+    implementation 'com.google.android.material:material:1.0.0'
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+    implementation 'com.github.mik3y:usb-serial-for-android:3.4.4'
 }

app/src/androidTest/java/fmaps/grabow/com/location001/ExampleInstrumentedTest.java

@@ -1,26 +0,0 @@
-package fmaps.grabow.com.location001;
-
-import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import static org.junit.Assert.*;
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-@RunWith(AndroidJUnit4.class)
-public class ExampleInstrumentedTest {
-    @Test
-    public void useAppContext() {
-        // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getTargetContext();
-
-        assertEquals("fmaps.grabow.com.location001", appContext.getPackageName());
-    }
-}

app/src/main/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="fmaps.grabow.com.location001">
+    package="hendrikschutter.com.externgnss">
 
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.INTERNET" />
@@ -12,7 +12,8 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
+        <activity android:name="hendrikschutter.com.externgnss.MainActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/src/main/externGNSS.svg

@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="576px"
+   height="576px"
+   viewBox="0 0 576 576"
+   version="1.1"
+   id="SVGRoot"
+   sodipodi:docname="Zeichnung.svg"
+   inkscape:version="1.1.2 (0a00cf5339, 2022-02-04)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview14"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:zoom="1.1937961"
+     inkscape:cx="360.61435"
+     inkscape:cy="288.99408"
+     inkscape:window-width="1920"
+     inkscape:window-height="1011"
+     inkscape:window-x="1680"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid10321" />
+  </sodipodi:namedview>
+  <defs
+     id="defs9">
+    <rect
+       x="129.68106"
+       y="372.2285"
+       width="443.5032"
+       height="143.16513"
+       id="rect2051" />
+    <inkscape:path-effect
+       effect="fillet_chamfer"
+       id="path-effect151"
+       is_visible="true"
+       lpeversion="1"
+       satellites_param="F,0,0,1,0,77,0,1 @ F,0,0,1,0,77,0,1 @ F,0,0,1,0,77,0,1 @ F,0,0,1,0,77,0,1"
+       unit="px"
+       method="auto"
+       mode="F"
+       radius="77"
+       chamfer_steps="1"
+       flexible="false"
+       use_knot_distance="true"
+       apply_no_radius="true"
+       apply_with_radius="true"
+       only_selected="false"
+       hide_knots="false" />
+  </defs>
+  <g
+     inkscape:label="Ebene 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
+       style="fill:#ff7800;stroke-width:1.07303;image-rendering:optimizeQuality"
+       id="rect84"
+       width="576"
+       height="576"
+       x="0"
+       y="0"
+       inkscape:path-effect="#path-effect151"
+       d="m 77,0 h 422 a 77,77 45 0 1 77,77 v 422 a 77,77 135 0 1 -77,77 H 77 A 77,77 45 0 1 0,499 V 77 A 77,77 135 0 1 77,0 Z"
+       sodipodi:type="rect" />
+    <rect
+       style="fill:#deddda;stroke-width:2.23489"
+       id="rect175"
+       width="486"
+       height="486"
+       x="45"
+       y="45" />
+    <ellipse
+       style="fill:#77767b"
+       id="path455"
+       cx="286.14011"
+       cy="198"
+       rx="38.140095"
+       ry="40" />
+    <text
+       xml:space="preserve"
+       id="text2049"
+       style="font-style:normal;font-weight:normal;font-size:40px;line-height:1.25;font-family:sans-serif;white-space:pre;shape-inside:url(#rect2051);fill:#000000;fill-opacity:1;stroke:none"
+       transform="translate(48.601894,4.0839844)"><tspan
+         x="129.68164"
+         y="457.16602"
+         id="tspan10337"><tspan
+           style="font-size:96px;font-family:Hack;-inkscape-font-specification:'Hack, Normal'"
+           id="tspan10335">GNSS</tspan></tspan></text>
+  </g>
+</svg>

app/src/main/java/hendrikschutter/com/externgnss/ExternGNSS.java

@@ -0,0 +1,65 @@
+package hendrikschutter.com.externgnss;
+
+import android.content.Context;
+import android.hardware.usb.UsbDeviceConnection;
+import android.hardware.usb.UsbManager;
+import android.util.Log;
+import android.widget.EditText;
+
+import com.hoho.android.usbserial.driver.UsbSerialDriver;
+import com.hoho.android.usbserial.driver.UsbSerialPort;
+import com.hoho.android.usbserial.driver.UsbSerialProber;
+import com.hoho.android.usbserial.util.SerialInputOutputManager;
+
+import java.io.IOException;
+import java.util.List;
+
+
+
+public class ExternGNSS implements SerialInputOutputManager.Listener {
+    private MainActivity uiactivity;
+    ExternGNSS(UsbManager manager, MainActivity mainactivity) {
+        Log.i("HAG", "init extern gnss");
+    this.uiactivity = mainactivity;
+        // Find all available drivers from attached devices.
+        List<UsbSerialDriver> availableDrivers = UsbSerialProber.getDefaultProber().findAllDrivers(manager);
+        if (availableDrivers.isEmpty()) {
+            return;
+        }
+
+        // Open a connection to the first available driver.
+        UsbSerialDriver driver = availableDrivers.get(0);
+        UsbDeviceConnection connection = manager.openDevice(driver.getDevice());
+        if (connection == null) {
+            // add UsbManager.requestPermission(driver.getDevice(), ..) handling here
+            return;
+        }
+
+        UsbSerialPort port = driver.getPorts().get(0); // Most devices have just one port (port 0)
+        try {
+            port.open(connection);
+            port.setParameters(9600, 8, UsbSerialPort.STOPBITS_1, UsbSerialPort.PARITY_NONE);
+
+            SerialInputOutputManager usbIoManager = new SerialInputOutputManager(port, this);
+            usbIoManager.start();
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void onNewData(byte[] data) {
+        //runOnUiThread(() -> { textView.append(new String(data)); });
+        Log.i("HAG", new String(data));
+        if( this.uiactivity != null){
+            this.uiactivity.setExternGnss(new String(data));
+        }
+    }
+
+    @Override
+    public void onRunError(Exception e) {
+
+    }
+
+}

app/src/main/java/hendrikschutter/com/externgnss/MainActivity.java

@@ -1,19 +1,19 @@
-package fmaps.grabow.com.location001;
+package hendrikschutter.com.externgnss;
 
 import android.Manifest;
 import android.annotation.SuppressLint;
 import android.content.Context;
+import android.hardware.usb.UsbManager;
 import android.location.LocationListener;
 import android.location.LocationManager;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.os.Bundle;
 import android.util.Log;
+import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.Toast;
-
 import pub.devrel.easypermissions.AfterPermissionGranted;
 import pub.devrel.easypermissions.EasyPermissions;
-
 import static java.lang.Thread.sleep;
 
 public class MainActivity extends AppCompatActivity {
@@ -29,8 +29,14 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         startLocationInit();
+        UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE);
+        Log.i("HAG", "init app");
+        ExternGNSS tmp = new ExternGNSS(manager, this);
+
     }
 
+
+
     // From https://github.com/googlesamples/easypermissions
     @Override
     public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
@@ -45,20 +51,6 @@ public class MainActivity extends AppCompatActivity {
             // Already have permission, do the thing
             Toast.makeText(cntxToastInternGNSSUpdate, "Permission granted!", Toast.LENGTH_SHORT).show();
 
-            // Get the output UI
-            output = (TextView) findViewById(R.id.interngnss);
-
-            // Test print
-            ///printlnOnView(output, "Running!");
-
-            locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
-            //List<String> providers = locationManager.getAllProviders();
-
-            //for (String temp : providers) {
-                // System.out.println(temp);
-                //printProvider(temp);
-            //}
-
         } else {
             // Do not have permissions, request them now
             EasyPermissions.requestPermissions(this, "We require location access!!!",
@@ -66,68 +58,32 @@ public class MainActivity extends AppCompatActivity {
         }
     }
 
-/*
+    private void setEditTextLabel(final EditText v, final String str) {
-    private void printProvider(String provider) {
-        LocationProvider info = locationManager.getProvider(provider);
-        output.append("Name: " + info.getName() + "\n");
-        output.append("Accuracy: " + info.getAccuracy() + "\n");
-        output.append("PowerReq.: " + info.getPowerRequirement() + "\n");
-        output.append("CellIDReq.: " + info.requiresCell() + "\n");
-        output.append("NetworkReq.: " + info.requiresNetwork() + "\n");
-        output.append("SatReq.: " + info.requiresSatellite() + "\n\n");
-    }
-    */
-
-
-    // Die Nachfolgenden Methoden können Sie aus einem Worker-Thread aufrufen
-    private void printlnOnView(final TextView v, final String str) {
         Runnable myRun = new Runnable() {
             public void run() {
-                v.setText(str + "\n");
+                v.setText(str);
             }
         };
         runOnUiThread(myRun);
     }
-  /*
+
-    private void printOnView(final TextView v, final String str) {
+    public void setExternGnss( final String str) {
         Runnable myRun = new Runnable() {
             public void run() {
+                final TextView v =  (TextView) findViewById(R.id.externGNSSTextView);
                 v.append(str);
             }
         };
         runOnUiThread(myRun);
     }
 
-    public void addToString(Location loc) {
-        //Verwendet die Variablen centerLat & centerLng
-        String time = loc.getTime() +"";
-        String latStr = Double.toString(loc.getLatitude());
-        String lngStr = Double.toString(loc.getLongitude());
-        String acc = loc.getAccuracy() + "";
-        String numOfSat = loc.getExtras().getInt("satellites") +"";
-        String satStr = "";
-        String distStr = "";
-        // Bestimme die Distanz (Fix <-> Center)
-        Location locationA = new Location("Center");
-        locationA.setLatitude(Double.valueOf(centerLat));
-        locationA.setLongitude(Double.valueOf(centerLng));
-        Location locationB = new Location("Fix");
-        locationB.setLatitude(Double.valueOf(latStr));
-        locationB.setLongitude(Double.valueOf(lngStr));
-        distStr = locationA.distanceTo(locationB) + "";
-        logString = logString + time + ";"; logString = logString + numOfSat + ";"; logString = logString + distStr +
-                ";"; logString = logString + acc + ";"; logString = logString + latStr + ";"; logString = logString + lngStr
-                + ";"; logString = logString + centerLat + ";"; logString = logString + centerLng + ";"; logString =
-                logString + satStr + ";"; logString = logString + "\n";
-    }
-     */
-
     @SuppressLint("MissingPermission")
     @Override
     protected void onResume() {
         super.onResume();
         if (!EasyPermissions.hasPermissions(this, perms)) {
             // Dummy thread ...
+            /*
             new Thread(new Runnable() {
                 @Override
                 public void run() {
@@ -141,50 +97,38 @@ public class MainActivity extends AppCompatActivity {
                     }
                 }
             }).start();
+             */
         } else {
+            if(locationManager != null){
                 locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
+            }
 
             // Worker-Thread
             new Thread(
                     new Runnable() {
                         @Override
                         public void run() {
+                            while (doRun && (locationManager != null)) {
+                                if (locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER) != null) {
+                                    setEditTextLabel((EditText) findViewById(R.id.interngnssLatNumber), String.format( "%.6f", locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLatitude()));
+                                    setEditTextLabel((EditText) findViewById(R.id.interngnssLongNumber), String.format( "%.6f", locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLongitude()));
+                                    setEditTextLabel((EditText) findViewById(R.id.interngnssAltitudeNumber), String.format( "%.2f", locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getAltitude()) + " m");
+                                    setEditTextLabel((EditText) findViewById(R.id.interngnssAccuracyNumber), String.format( "%.2f", locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getAccuracy()) + " m");
+                                    setEditTextLabel((EditText) findViewById(R.id.interngnssSatCountNumber), Integer.toString(locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getExtras().getInt("satellites")));
 
-
+                                }else{
-                            while (doRun) {
+                                    setEditTextLabel((EditText) findViewById(R.id.interngnssLatNumber), "no signal");
-                              //  Log.i("HAG", "ok");
+                                    setEditTextLabel((EditText) findViewById(R.id.interngnssLongNumber), "no signal");
-
+                                    setEditTextLabel((EditText) findViewById(R.id.interngnssAltitudeNumber), "no signal");
-                                //
+                                    setEditTextLabel((EditText) findViewById(R.id.interngnssAccuracyNumber), "no signal");
-                                // Aufgabe 3
+                                    setEditTextLabel((EditText) findViewById(R.id.interngnssSatCountNumber),"no signal");
-                                //
+                                }
-                                // Geben Sie via printOnView die getLastKnownLocation() von
-                                // Network-Provider und GPS-Provider aus
-                                //
-
-                                printlnOnView(output, "Lat: " + locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLatitude()
-                                        + " Long: " + locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLongitude()
-                                        + " Accuracy: " + locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getAccuracy()
-
-
-
-                                );
-
-
-                                //
-                                // Aufgabe 4
-                                //
-                                // Erzeugen Sie eine WebView und zeigen Sie mittels der WebView
-                                // alternierend die Location von Network und GPS auf der Karte an
-                                //
-                                //
-
                                 runOnUiThread(new Runnable() {
                                     @Override
                                     public void run() {
                                         //Update
                                     }
                                 });
-
                                 try {
                                     sleep(10000);
                                 } catch (InterruptedException e) {
@@ -193,7 +137,6 @@ public class MainActivity extends AppCompatActivity {
                             }
                         }
                     }).start();
-
         }
     }
 

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -1,34 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path
-        android:fillType="evenOdd"
-        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
-        android:strokeWidth="1"
-        android:strokeColor="#00000000">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                android:endX="78.5885"
-                android:endY="90.9159"
-                android:startX="48.7653"
-                android:startY="61.0927"
-                android:type="linear">
-                <item
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-        android:fillColor="#FFFFFF"
-        android:fillType="nonZero"
-        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
-        android:strokeWidth="1"
-        android:strokeColor="#00000000" />
-</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -1,170 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path
-        android:fillColor="#008577"
-        android:pathData="M0,0h108v108h-108z" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M9,0L9,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,0L19,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,0L29,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,0L39,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,0L49,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,0L59,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,0L69,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,0L79,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M89,0L89,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M99,0L99,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,9L108,9"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,19L108,19"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,29L108,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,39L108,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,49L108,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,59L108,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,69L108,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,79L108,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,89L108,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,99L108,99"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,29L89,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,39L89,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,49L89,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,59L89,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,69L89,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,79L89,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,19L29,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,19L39,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,19L49,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,19L59,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,19L69,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,19L79,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,22 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+  <group android:scaleX="0.084375"
+      android:scaleY="0.084375"
+      android:translateX="29.7"
+      android:translateY="29.7">
+    <path
+        android:pathData="m77,0h422a77,77 45,0 1,77 77v422a77,77 135,0 1,-77 77H77A77,77 45,0 1,0 499V77A77,77 135,0 1,77 0Z"
+        android:strokeWidth="1.07303"
+        android:fillColor="#ff7800"/>
+    <path
+        android:pathData="M45,45h486v486h-486z"
+        android:strokeWidth="2.23489"
+        android:fillColor="#deddda"/>
+    <path
+        android:pathData="M248,198a38.14,40 0,1 0,76.28 0a38.14,40 0,1 0,-76.28 0z"
+        android:fillColor="#77767b"/>
+  </group>
+</vector>

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

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<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:id="@+id/linearLayout"
@@ -7,15 +7,157 @@
     android:layout_height="fill_parent">
 
     <TextView
-        android:id="@+id/interngnss"
+        android:id="@+id/interngnssLongTextView"
-        android:layout_width="390dp"
+        android:layout_width="70dp"
-        android:layout_height="46dp"
+        android:layout_height="32dp"
-        android:layout_marginStart="21dp"
+        android:layout_marginStart="16dp"
-        android:layout_marginLeft="21dp"
+        android:layout_marginLeft="16dp"
-        android:layout_marginTop="176dp"
+        android:text="Long:"
-        android:text="TextView"
+        android:textSize="18sp"
-        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toBottomOf="@+id/interngnssLongNumber"
-        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <TextView
+        android:id="@+id/interngnssLatTextView"
+        android:layout_width="70dp"
+        android:layout_height="32dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:text="Lat:"
+        android:textSize="18sp"
+        app:layout_constraintBottom_toBottomOf="@+id/interngnssLatNumber"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <TextView
+        android:id="@+id/interngnssAltitudeTextView"
+        android:layout_width="70dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:text="Altitude:"
+        android:textSize="18sp"
+        app:layout_constraintBottom_toBottomOf="@+id/interngnssAltitudeNumber"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <TextView
+        android:id="@+id/interngnssNameTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:layout_marginTop="8dp"
+        android:clickable="false"
+        android:text="Intern GNSS Receiver"
+        android:textAppearance="@style/TextAppearance.AppCompat.Large"
+        android:textStyle="bold"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
-</android.support.constraint.ConstraintLayout>
+
+    <TextView
+        android:id="@+id/interngnssAccuracyTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="32dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:text="Accuracy:"
+        android:textSize="18sp"
+        app:layout_constraintBottom_toBottomOf="@+id/interngnssAccuracyNumber"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <TextView
+        android:id="@+id/interngnssSatCountTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="32dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:text="Satellites:"
+        android:textSize="18sp"
+        app:layout_constraintBottom_toBottomOf="@+id/interngnssSatCountNumber"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <EditText
+        android:id="@+id/interngnssLatNumber"
+        android:layout_width="150dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="128dp"
+        android:layout_marginLeft="128dp"
+        android:clickable="false"
+        android:cursorVisible="false"
+        android:ems="16"
+        android:focusable="false"
+        android:focusableInTouchMode="false"
+        android:inputType="numberDecimal"
+        android:textSize="16sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/interngnssNameTextView" />
+
+    <EditText
+        android:id="@+id/interngnssLongNumber"
+        android:layout_width="150dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="128dp"
+        android:layout_marginLeft="128dp"
+        android:clickable="false"
+        android:cursorVisible="false"
+        android:focusable="false"
+        android:focusableInTouchMode="false"
+        android:inputType="numberDecimal"
+        android:textSize="16sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/interngnssLatNumber" />
+
+    <EditText
+        android:id="@+id/interngnssAltitudeNumber"
+        android:layout_width="150dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="128dp"
+        android:layout_marginLeft="128dp"
+        android:clickable="false"
+        android:cursorVisible="false"
+        android:focusable="false"
+        android:focusableInTouchMode="false"
+        android:inputType="numberDecimal"
+        android:textSize="16sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/interngnssLongNumber" />
+
+    <EditText
+        android:id="@+id/interngnssAccuracyNumber"
+        android:layout_width="150dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="128dp"
+        android:layout_marginLeft="128dp"
+        android:clickable="false"
+        android:cursorVisible="false"
+        android:focusable="false"
+        android:focusableInTouchMode="false"
+        android:inputType="numberDecimal"
+        android:textSize="16sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/interngnssAltitudeNumber" />
+
+    <EditText
+        android:id="@+id/interngnssSatCountNumber"
+        android:layout_width="150dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="128dp"
+        android:layout_marginLeft="128dp"
+        android:clickable="false"
+        android:cursorVisible="false"
+        android:focusable="false"
+        android:focusableInTouchMode="false"
+        android:inputType="number"
+        android:textSize="16sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/interngnssAccuracyNumber" />
+
+    <TextView
+        android:id="@+id/externGNSSTextView"
+        android:layout_width="360dp"
+        android:layout_height="347dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="300dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<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"
     tools:context=".PermissionRequester">
 
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
+    <background android:drawable="@color/ic_launcher_background"/>
     <foreground android:drawable="@drawable/ic_launcher_foreground"/>
 </adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
+    <background android:drawable="@color/ic_launcher_background"/>
     <foreground android:drawable="@drawable/ic_launcher_foreground"/>
 </adaptive-icon>

app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#FFFFFF</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -1,3 +1,3 @@
 <resources>
-    <string name="app_name">Location001</string>
+    <string name="app_name">ExternGNSS</string>
 </resources>

app/src/test/java/fmaps/grabow/com/location001/ExampleUnitTest.java

@@ -1,17 +0,0 @@
-package fmaps.grabow.com.location001;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() {
-        assertEquals(4, 2 + 2);
-    }
-}

build.gradle

@@ -3,7 +3,7 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:7.1.2'
@@ -16,7 +16,8 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
+        maven { url 'https://jitpack.io' }
     }
 }
 

gradle.properties

@@ -6,6 +6,8 @@
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
+android.enableJetifier=true
+android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536m
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit