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Chat Shopping
											
package com.material.components.activity.shopping;

import com.google.android.material.snackbar.Snackbar;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.appcompat.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

import com.material.components.R;
import com.material.components.adapter.AdapterListShopCategoryImg;
import com.material.components.data.DataGenerator;
import com.material.components.model.ShopCategory;
import com.material.components.utils.Tools;

import java.util.List;

public class ShoppingCategoryImage extends AppCompatActivity {

    private View parent_view;

    private RecyclerView recyclerView;
    private AdapterListShopCategoryImg mAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_shopping_category_image);
        parent_view = findViewById(R.id.parent_view);

        initToolbar();
        initComponent();
    }

    private void initToolbar() {
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        toolbar.setNavigationIcon(R.drawable.ic_menu);
        setSupportActionBar(toolbar);
        getSupportActionBar().setTitle("Categories");
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        Tools.setSystemBarColor(this);
    }

    private void initComponent() {
        recyclerView = (RecyclerView) findViewById(R.id.recyclerView);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        recyclerView.setHasFixedSize(true);
        recyclerView.setNestedScrollingEnabled(false);

        List items = DataGenerator.getShoppingCategory(this);

        //set data and list adapter
        mAdapter = new AdapterListShopCategoryImg(this, items);
        recyclerView.setAdapter(mAdapter);

        // on item list clicked
        mAdapter.setOnItemClickListener(new AdapterListShopCategoryImg.OnItemClickListener() {
            @Override
            public void onItemClick(View view, ShopCategory obj, int position) {
                Snackbar.make(parent_view, "Item " + obj.title + " clicked", Snackbar.LENGTH_SHORT).show();
            }
        });

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu_cart_setting, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == android.R.id.home) {
            finish();
        } else {
            Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
        }
        return super.onOptionsItemSelected(item);
    }
}											
											
										
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