Terminada la construcción de la app de postres, necesaria para compre…

…nder mejor la nueva implementación de navigation en android, las transiciones, y animaciones aplicadas con navcontroler y el paso de argumentos a través del mismo

Material_Components_App_Navigation/app/build.gradle

@@ -1,5 +1,6 @@
 plugins {
     id 'com.android.application'
+    id 'androidx.navigation.safeargs'
 }
 
 android {
@@ -37,6 +38,7 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
     implementation 'androidx.navigation:navigation-fragment:2.3.5'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.navigation:navigation-ui:2.3.5'
     testImplementation 'junit:junit:4.+'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'

Material_Components_App_Navigation/app/src/main/java/com/barryzeha/mdpostres/CarAdapter.java

@@ -0,0 +1,47 @@
+package com.barryzeha.mdpostres;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.barryzeha.mdpostres.databinding.ItemCarBinding;
+
+public class CarAdapter extends RecyclerView.Adapter<CarAdapter.ViewHolder> {
+    private String[] products;
+
+    public CarAdapter(String[] products) {
+        this.products = products;
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        ItemCarBinding bind=ItemCarBinding.inflate(LayoutInflater.from(parent.getContext()),parent,false);
+
+        return new ViewHolder(bind);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        holder.bind(products[position]);
+    }
+
+    @Override
+    public int getItemCount() {
+        return products.length;
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder {
+        private ItemCarBinding bind;
+        public ViewHolder(@NonNull ItemCarBinding itemView) {
+            super(itemView.getRoot());
+            bind=itemView;
+        }
+        protected void bind(String product){
+            bind.tvName.setText(product);
+        }
+    }
+}

Material_Components_App_Navigation/app/src/main/java/com/barryzeha/mdpostres/CarFragment.java

@@ -2,63 +2,69 @@
 
 import android.os.Bundle;
 
+import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
+import androidx.navigation.fragment.NavHostFragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
 
 import android.view.LayoutInflater;
+import android.view.Menu;
 import android.view.View;
 import android.view.ViewGroup;
 
-/**
- * A simple {@link Fragment} subclass.
- * Use the {@link CarFragment#newInstance} factory method to
- * create an instance of this fragment.
- */
-public class CarFragment extends Fragment {
-
-    // TODO: Rename parameter arguments, choose names that match
-    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-    private static final String ARG_PARAM1 = "param1";
-    private static final String ARG_PARAM2 = "param2";
+import com.barryzeha.mdpostres.databinding.FragmentCarBinding;
+import com.google.android.material.transition.MaterialSharedAxis;
 
-    // TODO: Rename and change types of parameters
-    private String mParam1;
-    private String mParam2;
 
-    public CarFragment() {
-        // Required empty public constructor
-    }
+public class CarFragment extends Fragment {
 
-    /**
-     * Use this factory method to create a new instance of
-     * this fragment using the provided parameters.
-     *
-     * @param param1 Parameter 1.
-     * @param param2 Parameter 2.
-     * @return A new instance of fragment CarFragment.
-     */
-    // TODO: Rename and change types and number of parameters
-    public static CarFragment newInstance(String param1, String param2) {
-        CarFragment fragment = new CarFragment();
-        Bundle args = new Bundle();
-        args.putString(ARG_PARAM1, param1);
-        args.putString(ARG_PARAM2, param2);
-        fragment.setArguments(args);
-        return fragment;
-    }
 
+    private FragmentCarBinding bind;
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        if (getArguments() != null) {
-            mParam1 = getArguments().getString(ARG_PARAM1);
-            mParam2 = getArguments().getString(ARG_PARAM2);
-        }
+
+        setHasOptionsMenu(true);
+        setEnterTransition(new MaterialSharedAxis(MaterialSharedAxis.X, true));
+        setReturnTransition(new MaterialSharedAxis(MaterialSharedAxis.X, false));
+
     }
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_car, container, false);
+        bind=FragmentCarBinding.inflate(inflater, container, false);
+
+        //Cargamos el adapter car con los argumentos enviados a través del navigation
+        CarAdapter adapter=new CarAdapter(CarFragmentArgs.fromBundle(getArguments()).getProductsArgs());
+        bind.recyclerViewCar.setLayoutManager(new LinearLayoutManager(getContext()));
+        bind.recyclerViewCar.setAdapter(adapter);
+        bind.tvSum.setText(getString(R.string.car_sum, (float)adapter.getItemCount()));
+
+        /*
+        * Para navegar con el navHostNavigation controler puede usarse como id de navigate el id del fragmento de destino asi como
+        * el id de la acción creada
+        * */
+        bind.btnBack.setOnClickListener(v->{
+            NavHostFragment.findNavController(this)
+                    //.navigate(R.id.productFragment); 1ra opción solo el fragmento de destino
+            .navigate(R.id.action_car_to_product); // segunda opción id de acción
+        });
+
+        bind.btnPay.setOnClickListener(v->{
+            NavHostFragment.findNavController(this)
+                    //.navigate(R.id.productFragment); 1ra opción solo el fragmento de destino
+                    .navigate(R.id.action_car_to_confirmation); // segunda opción id de acción
+        });
+
+
+        return bind.getRoot();
+    }
+
+    @Override
+    public void onPrepareOptionsMenu(@NonNull Menu menu) {
+        menu.clear();
+        super.onPrepareOptionsMenu(menu);
     }
 }

Material_Components_App_Navigation/app/src/main/java/com/barryzeha/mdpostres/ConfirmationFragment.java

@@ -0,0 +1,54 @@
+package com.barryzeha.mdpostres;
+
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.navigation.fragment.NavHostFragment;
+
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.barryzeha.mdpostres.databinding.FragmentConfirmationBinding;
+import com.google.android.material.transition.MaterialFadeThrough;
+import com.google.android.material.transition.MaterialSharedAxis;
+
+public class ConfirmationFragment extends Fragment {
+
+
+    private FragmentConfirmationBinding bind;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setHasOptionsMenu(true);
+        setEnterTransition(new MaterialSharedAxis(MaterialSharedAxis.X, true));
+        setReturnTransition(new MaterialSharedAxis(MaterialSharedAxis.X, false));
+        setExitTransition(new MaterialFadeThrough());
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        bind=FragmentConfirmationBinding.inflate(inflater, container, false);
+        return bind.getRoot();
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        bind.btnDone.setOnClickListener(v->{
+            NavHostFragment.findNavController(this).navigate(R.id.action_confirmation_to_product);
+        });
+    }
+
+    @Override
+    public void onPrepareOptionsMenu(@NonNull Menu menu) {
+        menu.clear();
+        super.onPrepareOptionsMenu(menu);
+    }
+}

Material_Components_App_Navigation/app/src/main/java/com/barryzeha/mdpostres/MainActivity.java

@@ -1,14 +1,68 @@
 package com.barryzeha.mdpostres;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
 
 import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
 
-public class MainActivity extends AppCompatActivity {
+import com.barryzeha.mdpostres.databinding.ActivityMainBinding;
+import com.google.android.material.bottomsheet.BottomSheetBehavior;
 
+public class MainActivity extends AppCompatActivity {
+    private ActivityMainBinding bind;
+    private NavController navController;
+    private BottomSheetBehavior bottomSheetBehavior;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main);
+        bind = ActivityMainBinding.inflate(getLayoutInflater());
+        setContentView(bind.getRoot());
+
+        setSupportActionBar(bind.toolbar);
+        navController= Navigation.findNavController(this, R.id.nav_host_fragment);
+
+        AppBarConfiguration appBarConfiguration= new AppBarConfiguration.Builder(navController.getGraph()).build();
+        NavigationUI.setupWithNavController(bind.toolbar, navController, appBarConfiguration);
+        //para quitar el ícono de back del toolbar por medio de navigation hacemos lo siguiente
+
+        navController.addOnDestinationChangedListener((controller, destination, arguments) -> {
+            //mantenemos el título del toolbar
+            bind.toolbar.setTitle(destination.getLabel());
+            //quitamos el bobon de regresar
+            bind.toolbar.setNavigationIcon(null);
+        });
+        bottomSheetBehavior=BottomSheetBehavior.from(bind.bottomSheet.bottomSheet);
+        bottomSheetBehavior.setState(bottomSheetBehavior.STATE_HIDDEN);
+        bind.bottomSheet.ivClose.setOnClickListener(v-> bottomSheetBehavior.setState(BottomSheetBehavior.STATE_HIDDEN));
+        bind.bottomSheet.btnExit.setOnClickListener(v-> finish());
+
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.main_menu, menu);
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+      /*  if(item.getItemId()==R.id.itemConfirmation){
+            navController.navigate(R.id.action_global_confirmation);
+        }
+        return super.onOptionsItemSelected(item);*/
+        //Ahora haremos navegación por id
+        return NavigationUI.onNavDestinationSelected(item, navController)||
+                super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public void onBackPressed() {
+        bottomSheetBehavior.setState(BottomSheetBehavior.STATE_EXPANDED);
     }
 }