Tugas Mobile Programming - Praktikum 11 | Teknik Informatika UNPI

NAMA                 : MUHAMMAD MUSLIM ABDUL JABBAAR

NIM                     : 217200035

PRODI                 : TEKNIK INFORMATIKA

MATKUL             : MOBILE PROGRAMMING 1

Recycler View

• activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    android:padding="16dp"

    tools:context="MainActivity">

    <Button

        android:id="@+id/btnOpenRecyclerView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Buka RecyclerView" />

</LinearLayout>

• item_layout.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="wrap_content"

    android:orientation="vertical"

    android:padding="16dp">

    <TextView

        android:id="@+id/text_view"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"/>

</LinearLayout>

• recycler_view_layout.xml

<?xml version="1.0" encoding="utf-8"?>

<androidx.recyclerview.widget.RecyclerView

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:id="@+id/recycler_view"

    android:layout_width="match_parent"

    android:layout_height="match_parent"/>

• MainActivity.java

package com.opendebugger62.recyclerview;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        Button btnOpenRecyclerView = findViewById(R.id.btnOpenRecyclerView);

        btnOpenRecyclerView.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                startActivity(new Intent(MainActivity.this, RecyclerViewActivity.class));

            }

        });

    }

}

• MyAdapter.java

package com.opendebugger62.recyclerview;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.TextView;

import androidx.annotation.NonNull;

import androidx.recyclerview.widget.RecyclerView;

import java.util.List;

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {

    private List<String> data;

    public MyAdapter(List<String> data) {

        this.data = data;

    }

    public class ViewHolder extends RecyclerView.ViewHolder {

        public TextView textView;

        public ViewHolder(View itemView) {

            super(itemView);

            textView = itemView.findViewById(R.id.text_view);

        }

    }

    @NonNull

    @Override

    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {

        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_layout, parent, false);

        return new ViewHolder(view);

    }

    @Override

    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {

        holder.textView.setText(data.get(position));

    }

    @Override

    public int getItemCount() {

        return data.size();

    }

}

• RecyclerViewActivity.java

package com.opendebugger62.recyclerview;

import android.os.Bundle;

import androidx.appcompat.app.AppCompatActivity;

import androidx.recyclerview.widget.LinearLayoutManager;

import androidx.recyclerview.widget.RecyclerView;

import com.opendebugger62.recyclerview.MyAdapter;

import java.util.ArrayList;

public class RecyclerViewActivity extends AppCompatActivity {

    private RecyclerView recyclerView;

    private MyAdapter adapter;

    private LinearLayoutManager layoutManager;

    private ArrayList<String> data;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.recycler_view_layout);

        recyclerView = findViewById(R.id.recycler_view);

        layoutManager = new LinearLayoutManager(this);

        recyclerView.setLayoutManager(layoutManager);

        data = new ArrayList<>();

        adapter = new MyAdapter(data);

        recyclerView.setAdapter(adapter);

        // Tambahkan data ke dalam daftar

        data.add("Metode Numerik");

        data.add("Pemrograman Mobile");

        data.add("Pemrograman Berorientasi Objek");

        data.add("Basis Data");

        data.add("Rekayasa Perangkat Lunak");

        adapter.notifyDataSetChanged();

    }

}