EmojisActivity.java

package com.alorma.github.emoji;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentTransaction;
import com.alorma.github.R;
import com.alorma.github.ui.activity.base.BackActivity;
import com.alorma.github.ui.fragment.ShowEmojisFragment;

public class EmojisActivity extends BackActivity implements EmojisAdapter.OnEmojiSelectedListener {

  public static final String EMOJI = "EMOJI";

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

    FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
    ShowEmojisFragment showEmojisFragment = new ShowEmojisFragment();

    showEmojisFragment.setOnEmojiSelectedListener(this);
    ft.replace(R.id.content, showEmojisFragment);
    ft.commit();

    setTitle(R.string.emoji_activity);
  }

  @Override
  public void onEmojiSelected(Emoji emoji) {
    Intent intent = new Intent();
    intent.putExtra(EMOJI, emoji);
    setResult(RESULT_OK, intent);
    finish();
  }
}