MessageAdapter.java

package com.androidchatapp;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.bumptech.glide.Glide;

import java.util.ArrayList;

import static com.androidchatapp.UserDetails.chatWith;

/**
 * Created by manlai on 11/5/2017.
 */

public class MessageAdapter extends ArrayAdapter<Message>
{
    private View viewToConvertToMessage;
    private TextView text, name, textFriend;
    private ImageView image, imageFriend, imageStatus, file;
    private Message message, status;
    private boolean hasPhoto, hasType;
    Context context;


    public MessageAdapter(Context context, int resource, ArrayList<Message> objects)
    {
        super(context, resource, objects);
        this.context = context;
    }


    @Override
    public View getView(final int position, View convertView, ViewGroup parent)
    {
        viewToConvertToMessage = convertView;

        if(viewToConvertToMessage == null)
            viewToConvertToMessage = ((Activity) getContext()).getLayoutInflater().inflate(R.layout.message_item, parent, false);

        initializeMessageFields();

        message = getItem(position);
        hasPhoto = message.getPhotoURL() != null;
        hasType = message.getType() != null;

        drawMessage(position, convertView);

        return viewToConvertToMessage;
    }


    private void initializeMessageFields()
    {
        text = viewToConvertToMessage.findViewById(R.id.text_field);
        textFriend = viewToConvertToMessage.findViewById(R.id.text_friend);
        name = viewToConvertToMessage.findViewById(R.id.name_field);
        image = viewToConvertToMessage.findViewById(R.id.image_field);
        file = viewToConvertToMessage.findViewById(R.id.file_field);
        imageFriend = viewToConvertToMessage.findViewById(R.id.image_friend);

        imageStatus = viewToConvertToMessage.findViewById(R.id.image_status_sent);
    }


    private void drawMessage(final int position, View convertView)
    {
        if(message.getUser().equals(UserDetails.username))
        {
            if(hasPhoto)
            {
                text.setVisibility(View.GONE);

                if(message.getType().equals("image")){
                    image.setVisibility(View.VISIBLE);
                    file.setVisibility(View.GONE);
                    Glide.with(image.getContext()).load(message.getPhotoURL()).into(image);
                }else if(message.getType().equals("file")){
                    image.setVisibility(View.GONE);
                    file.setVisibility(View.VISIBLE);

                    file.setOnClickListener(new View.OnClickListener() {
                        @Override
                        public void onClick(View view) {
//                            Intent i = new Intent(Intent.ACTION_VIEW);
//                            i.setData(Uri.parse(message.getPhotoURL()));
//                            context.startActivity(i);
                            Toast.makeText(context, "File " +message.getPhotoURL()+" "+message.getType(), Toast.LENGTH_SHORT).show();
                        }
                    });
                }

            }
            else
            {
                text.setVisibility(View.VISIBLE);
                image.setVisibility(View.GONE);
                file.setVisibility(View.GONE);
                text.setText(message.getText());
            }

            if(message.getStatus().equals("terkirim")){
                imageStatus.setImageResource(R.drawable.ic_sent);
            }else{
                imageStatus.setImageResource(R.drawable.ic_done_all);
            }

            textFriend.setVisibility(View.GONE);
            imageFriend.setVisibility(View.GONE);

        }
        else
        {
            if(hasPhoto)
            {
                textFriend.setVisibility(View.GONE);
                imageFriend.setVisibility(View.VISIBLE);
                Glide.with(imageFriend.getContext()).load(message.getPhotoURL()).into(imageFriend);


            }
            else
            {
                textFriend.setVisibility(View.VISIBLE);
                imageFriend.setVisibility(View.GONE);
                textFriend.setText(message.getText());
            }

            text.setVisibility(View.GONE);
            image.setVisibility(View.GONE);
        }



    }

}