MainActivity.java

package br.com.javace.javou.ui.activity;

import android.Manifest;
import android.annotation.TargetApi;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.view.ActionMode;

import java.util.ArrayList;
import java.util.List;

import br.com.javace.javou.R;
import br.com.javace.javou.ui.base.BaseActivity;
import br.com.javace.javou.ui.fragment.ParticipantFragment;
import br.com.javace.javou.util.Constant;
import br.com.javace.javou.util.Preference;
import br.liveo.searchliveo.SearchLiveo;

public class MainActivity extends BaseActivity{

    private ActionMode mAcitonMode;
    private ParticipantFragment mParticipantFragment;

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

        setupInit(savedInstanceState);
    }

    private void setupInit(Bundle savedInstanceState){
        //setupFragment(savedInstanceState);
        Preference preference = new Preference(this);
        if (preference.getString(Constant.FIRST_RUN) == null){
            startActivityForResult(new Intent(this, SynchronizationActivity.class), 0);
            preference.setString(Constant.FIRST_RUN, Constant.TAG);
        }else{
            setupFragment(savedInstanceState);
        }
    }

    private void setupFragment(Bundle savedInstanceState){
        if (savedInstanceState == null) {
            mParticipantFragment = ParticipantFragment.newInstance();
            getFragmentManager().beginTransaction().add(R.id.container, mParticipantFragment, Constant.PARTICIPANT).commit();
        }else{
            if (mParticipantFragment == null) {
                mParticipantFragment = (ParticipantFragment) getFragmentManager().findFragmentByTag(Constant.PARTICIPANT);
            }
        }
    }

    public void showActionMode(String name){
        mAcitonMode = startSupportActionMode(mParticipantFragment.actionModeCallback);
        actionModeSetTitle(name);

        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            getWindow().setStatusBarColor(ContextCompat.getColor(this, R.color.action_mode_primary_dark));
        }
    }

    public void actionModeSetTitle(String name){
        mAcitonMode.setTitle(name);
    }

    public void hideActionMode(){
        if (mAcitonMode != null){
            mAcitonMode.finish();
            mAcitonMode = null;
        }

        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            getWindow().setStatusBarColor(ContextCompat.getColor(this, R.color.primary_dark));
        }
    }

    @Override
    public void onBackPressed() {
        if (mAcitonMode != null) {
            hideActionMode();
        }else{
            super.onBackPressed();
        }
    }

    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        switch (requestCode){
            case 0:
                mParticipantFragment = ParticipantFragment.newInstance();
                getFragmentManager().beginTransaction().add(R.id.container, mParticipantFragment, Constant.PARTICIPANT).commit();
                break;

            default:
                if (data != null) {
                    if (requestCode == SearchLiveo.REQUEST_CODE_SPEECH_INPUT) {
                        mParticipantFragment.onActivityResult(requestCode, resultCode, data);
                    }
                }
                break;
        }
    }

    @TargetApi(Build.VERSION_CODES.M)
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (mParticipantFragment != null){
            mParticipantFragment.onRequestPermissionsResult(requestCode, permissions, grantResults);
        }
    }
}