MottoActivity.java

package org.lntu.online.ui.activity;

import android.content.res.AssetFileDescriptor;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;

import org.lntu.online.R;
import org.lntu.online.ui.base.StatusBarActivity;
import org.lntu.online.ui.listener.NavigationFinishClickListener;

import java.io.IOException;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;

public class MottoActivity extends StatusBarActivity {

    @BindView(R.id.toolbar)
    protected Toolbar toolbar;

    private MediaPlayer maleVoice;
    private MediaPlayer femaleVoice;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_motto);
        ButterKnife.bind(this);

        toolbar.setNavigationOnClickListener(new NavigationFinishClickListener(this));

        maleVoice = new MediaPlayer();
        try {
            AssetFileDescriptor fd = getResources().openRawResourceFd(R.raw.motto_male_voice);
            maleVoice.setDataSource(fd.getFileDescriptor(), fd.getStartOffset(), fd.getLength());
            maleVoice.prepare();
        } catch (IOException e) {
            maleVoice = null;
        }
        femaleVoice = new MediaPlayer();
        try {
            AssetFileDescriptor fd = getResources().openRawResourceFd(R.raw.motto_female_voice);
            femaleVoice.setDataSource(fd.getFileDescriptor(), fd.getStartOffset(), fd.getLength());
            femaleVoice.prepare();
        } catch (IOException e) {
            femaleVoice = null;
        }
    }

    @Override
    protected void onPause() {
        super.onPause();
        if (maleVoice != null) {
            maleVoice.stop();
        }
        if (femaleVoice != null) {
            femaleVoice.stop();
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (maleVoice != null) {
            maleVoice.release();
        }
        if (femaleVoice != null) {
            femaleVoice.release();
        }
    }

    @OnClick(R.id.btn_male_voice)
    protected void onBtnMaleVoiceClick() {
        if (maleVoice != null) {
            maleVoice.start();
        }
    }

    @OnClick(R.id.btn_female_voice)
    protected void onBtnFemaleVoiceClick() {
        if (femaleVoice != null) {
            femaleVoice.start();
        }
    }

}