basic app setup

ClimateGoApp/app/src/main/java/de/cdaut/climategoapp/DebugFragment.java

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+package de.cdaut.climategoapp;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
+import de.cdaut.climategoapp.databinding.FragmentDebugBinding;
+
+public class DebugFragment extends Fragment {
+
+    private FragmentDebugBinding binding;
+
+    @Override
+    public View onCreateView(
+            @NonNull LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState
+    ) {
+
+        binding = FragmentDebugBinding.inflate(inflater, container, false);
+
+        return binding.getRoot();
+
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        binding = null;
+    }
+}

ClimateGoApp/app/src/main/java/de/cdaut/climategoapp/HomeFragment.java

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+package de.cdaut.climategoapp;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
+import de.cdaut.climategoapp.databinding.FragmentHomeBinding;
+
+public class HomeFragment extends Fragment {
+
+    private FragmentHomeBinding binding;
+
+    @Override
+    public View onCreateView(
+            @NonNull LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState
+    ) {
+
+        binding = FragmentHomeBinding.inflate(inflater, container, false);
+
+        return binding.getRoot();
+
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        binding = null;
+    }
+
+}

ClimateGoApp/app/src/main/java/de/cdaut/climategoapp/activities/DebugActivity.java

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+package de.cdaut.climategoapp.activities;
+
+import android.os.Bundle;
+
+
+import androidx.appcompat.app.ActionBarDrawerToggle;
+import androidx.appcompat.app.AppCompatActivity;
+
+import androidx.drawerlayout.widget.DrawerLayout;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
+
+import de.cdaut.climategoapp.R;
+import de.cdaut.climategoapp.databinding.ActivityDebugBinding;
+
+import android.view.Menu;
+import android.view.MenuItem;
+
+public class DebugActivity extends AppCompatActivity {
+
+    private AppBarConfiguration appBarConfiguration;
+    private ActivityDebugBinding binding;
+    public DrawerLayout drawerLayout;
+    public ActionBarDrawerToggle actionBarDrawerToggle;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        binding = ActivityDebugBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        setSupportActionBar(binding.toolbar);
+
+
+        // drawer layout instance to toggle the menu icon to open
+        // drawer and back button to close drawer
+        drawerLayout = findViewById(R.id.my_drawer_layout);
+        actionBarDrawerToggle = new ActionBarDrawerToggle(this,
+                drawerLayout,
+                R.string.nav_open,
+                R.string.nav_close);
+
+        // pass the Open and Close toggle for the drawer layout listener
+        // to toggle the button
+        drawerLayout.addDrawerListener(actionBarDrawerToggle);
+        actionBarDrawerToggle.syncState();
+
+        // to make the Navigation drawer icon always appear on the action bar
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // 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.
+        int id = item.getItemId();
+
+        if (actionBarDrawerToggle.onOptionsItemSelected(item)) {
+            return true;
+        }
+
+        //noinspection SimplifiableIfStatement
+        if (id == R.id.action_settings) {
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public boolean onSupportNavigateUp() {
+        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_nav);
+        return NavigationUI.navigateUp(navController, appBarConfiguration)
+                || super.onSupportNavigateUp();
+    }
+}

ClimateGoApp/app/src/main/java/de/cdaut/climategoapp/activities/HomeActivity.java

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+package de.cdaut.climategoapp.activities;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.ActionBarDrawerToggle;
+import androidx.appcompat.app.AppCompatActivity;
+
+import androidx.drawerlayout.widget.DrawerLayout;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
+
+import de.cdaut.climategoapp.R;
+import de.cdaut.climategoapp.databinding.ActivityHomeBinding;
+
+import android.view.Menu;
+import android.view.MenuItem;
+
+import com.google.android.material.navigation.NavigationView;
+
+public class HomeActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener {
+
+    private AppBarConfiguration appBarConfiguration;
+    private ActivityHomeBinding binding;
+    public DrawerLayout drawerLayout;
+    public ActionBarDrawerToggle actionBarDrawerToggle;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        binding = ActivityHomeBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        setSupportActionBar(binding.toolbar);
+
+        // drawer layout instance to toggle the menu icon to open
+        // drawer and back button to close drawer
+        drawerLayout = findViewById(R.id.home_drawer_layout);
+        actionBarDrawerToggle = new ActionBarDrawerToggle(this,
+                drawerLayout,
+                R.string.nav_open,
+                R.string.nav_close);
+
+        // pass the Open and Close toggle for the drawer layout listener
+        // to toggle the button
+        drawerLayout.addDrawerListener(actionBarDrawerToggle);
+        actionBarDrawerToggle.syncState();
+
+        // to make the Navigation drawer icon always appear on the action bar
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+        setNavigationViewListener();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // 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.
+        int id = item.getItemId();
+
+        if (actionBarDrawerToggle.onOptionsItemSelected(item)) {
+            return true;
+        }
+
+        if (id == R.id.action_settings) {
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public boolean onSupportNavigateUp() {
+        NavController navController = Navigation.findNavController(this,
+                R.id.nav_host_fragment_content_nav
+        );
+        return NavigationUI.navigateUp(navController, appBarConfiguration)
+                || super.onSupportNavigateUp();
+    }
+
+    @Override
+    public boolean onNavigationItemSelected(@NonNull MenuItem item) {
+
+        Class<? extends AppCompatActivity> targetActivityClass;
+
+        switch (item.getItemId()) {
+            case R.id.nav_main:
+                targetActivityClass = HomeActivity.class;
+                break;
+            case R.id.nav_debug:
+                targetActivityClass = DebugActivity.class;
+                break;
+            default:
+                throw new IllegalAccessError("Illegal activity met in nav drawer");
+        }
+
+        if(targetActivityClass.equals(this.getClass())) {
+            drawerLayout.closeDrawers();
+            return false;
+        }
+
+        Intent targetIntent = new Intent(this, targetActivityClass);
+        startActivity(targetIntent);
+
+        return false;
+    }
+
+    private void setNavigationViewListener() {
+        NavigationView navigationView = findViewById(R.id.nav_drawer);
+        navigationView.setNavigationItemSelectedListener(this);
+    }
+
+}

ClimateGoApp/app/src/main/java/de/cdaut/climategoapp/sensor/SensorDebugUtils.java

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+package de.cdaut.climategoapp.sensor;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public final class SensorDebugUtils {
+    private SensorDebugUtils() {
+        throw new IllegalAccessError("Utility Class");
+    }
+
+    public static List<String> readSensorData(){
+        ArrayList<String> data = new ArrayList<>();
+        data.add("Test");
+        return data;
+    }
+}