删除无效文件

src/Notesmaster/app/src/main/java/net/micode/notes/FirstFragment.java

@@ -1,44 +0,0 @@
-package net.micode.notes;
-
-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 androidx.navigation.fragment.NavHostFragment;
-
-import net.micode.notes.databinding.FragmentFirstBinding;
-
-public class FirstFragment extends Fragment {
-
-    private FragmentFirstBinding binding;
-
-    @Override
-    public View onCreateView(
-            @NonNull LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState
-    ) {
-
-        binding = FragmentFirstBinding.inflate(inflater, container, false);
-        return binding.getRoot();
-
-    }
-
-    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-
-        binding.buttonFirst.setOnClickListener(v ->
-                NavHostFragment.findNavController(FirstFragment.this)
-                        .navigate(R.id.action_FirstFragment_to_SecondFragment)
-        );
-    }
-
-    @Override
-    public void onDestroyView() {
-        super.onDestroyView();
-        binding = null;
-    }
-
-}

src/Notesmaster/app/src/main/java/net/micode/notes/MainActivity.java

@@ -1,77 +0,0 @@
-package net.micode.notes;
-
-import android.os.Bundle;
-
-import com.google.android.material.snackbar.Snackbar;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.view.View;
-
-import androidx.navigation.NavController;
-import androidx.navigation.Navigation;
-import androidx.navigation.ui.AppBarConfiguration;
-import androidx.navigation.ui.NavigationUI;
-
-import net.micode.notes.databinding.ActivityMainBinding;
-
-import android.view.Menu;
-import android.view.MenuItem;
-
-public class MainActivity extends AppCompatActivity {
-
-    private AppBarConfiguration appBarConfiguration;
-    private ActivityMainBinding binding;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        binding = ActivityMainBinding.inflate(getLayoutInflater());
-        setContentView(binding.getRoot());
-
-        setSupportActionBar(binding.toolbar);
-
-        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_main);
-        appBarConfiguration = new AppBarConfiguration.Builder(navController.getGraph()).build();
-        NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
-
-        binding.fab.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
-                        .setAnchorView(R.id.fab)
-                        .setAction("Action", null).show();
-            }
-        });
-    }
-
-    @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();
-
-        //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_main);
-        return NavigationUI.navigateUp(navController, appBarConfiguration)
-                || super.onSupportNavigateUp();
-    }
-}

src/Notesmaster/app/src/main/java/net/micode/notes/SecondFragment.java

@@ -1,44 +0,0 @@
-package net.micode.notes;
-
-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 androidx.navigation.fragment.NavHostFragment;
-
-import net.micode.notes.databinding.FragmentSecondBinding;
-
-public class SecondFragment extends Fragment {
-
-    private FragmentSecondBinding binding;
-
-    @Override
-    public View onCreateView(
-            @NonNull LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState
-    ) {
-
-        binding = FragmentSecondBinding.inflate(inflater, container, false);
-        return binding.getRoot();
-
-    }
-
-    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-
-        binding.buttonSecond.setOnClickListener(v ->
-                NavHostFragment.findNavController(SecondFragment.this)
-                        .navigate(R.id.action_SecondFragment_to_FirstFragment)
-        );
-    }
-
-    @Override
-    public void onDestroyView() {
-        super.onDestroyView();
-        binding = null;
-    }
-
-}