opensourcecode/Android/app/src/main/java/com/cygnusa/hyperm/MyHyperRanking.java

package com.cygnusa.hyperm;

import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.MenuItem;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.cygnusa.hyperm.adapter.MyHyperRankingAdapter;
import com.google.android.material.floatingactionbutton.FloatingActionButton;

import java.util.Objects;

public class MyHyperRanking extends AppCompatActivity {

    TextView header;
    MyHyperRankingAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_hyper_my_ranking);

        FloatingActionButton fabBtn = findViewById(R.id.fabBtn);
        header = findViewById(R.id.header);

        Toolbar toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        toolbar.setContentInsetStartWithNavigation(0);
        toolbar.setTitle("");

        Objects.requireNonNull(getSupportActionBar()).setTitle("");
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setDisplayShowHomeEnabled(true);

        Drawable backArrow = getResources().getDrawable(R.drawable.abc_ic_ab_back_material);
        backArrow.setColorFilter(getResources().getColor(R.color.base_color), PorterDuff.Mode.SRC_ATOP);
        getSupportActionBar().setHomeAsUpIndicator(backArrow);

        RecyclerView blog_list = findViewById(R.id.leaderList);

        final LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
        blog_list.setLayoutManager(linearLayoutManager);
        blog_list.setHasFixedSize(true);
        adapter = new MyHyperRankingAdapter(this);
        blog_list.setAdapter(adapter);

    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if (id == android.R.id.home) {
            super.onBackPressed();
        }
        return true;
    }
}