Android——Mediaplay音频播放最详细最全面使用方法-以及自定义seekbar 样式

** Mediaplay最详细使用方法**
在前几个星期吧小编的公司一直有播放音频的这个模块但是因为小编接触这块比较少所以走了很多的 “丸子” 比如狂点播放暂停按钮会崩掉 new出好几个 meidiaplay 的辣鸡操作但是都改正了而且很全面使用起来也很简单
**首先我先说明一下我们公司的需求 **
进入背诵界面之后先判断本地有没有当前需要播放的音频文件有的话直接播放没有下载完成之后播放可以暂停 ok 那么咱们开始
先看下效果因为我是平板录完视频之后是竖着的所以大家凑活看
1.这个是本地文件有的情况下直接播放可以暂停结束

2.本地没有的情况下会下载下载完成之后播放

下边粘上我的代码
xml 布局是一个Checkbox 进度条就是系统的 seekbar 就是自己加了一个样式

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"><LinearLayoutandroid:id="@+id/llyt_play"android:layout_width="match_parent"android:layout_height="70dp"android:layout_margin="5dp"android:gravity="center_vertical"android:orientation="horizontal"><CheckBoxandroid:id="@+id/chk_play_btn"android:layout_width="25dp"android:layout_height="25dp"android:layout_marginLeft="20dp"android:background="@drawable/play_btn_play_pause_selector"android:button="@null" /><SeekBarandroid:id="@+id/audio_play_bar"android:layout_width="0dp"android:layout_weight="16"android:layout_height="wrap_content"android:layout_marginLeft="20dp"android:maxHeight="3dp"android:minHeight="3dp"android:progressDrawable="@drawable/shape_seek_bg"android:thumb="@mipmap/ann1" /><LinearLayoutandroid:id="@+id/llyt_time"android:layout_width="0dp"android:layout_weight="3"android:layout_height="70dp"android:layout_alignParentRight="true"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"android:gravity="center_vertical"android:orientation="horizontal"><TextViewandroid:id="@+id/tv_start_time_show"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_centerVertical="true"android:textSize="17sp"android:text="00:00" /><TextViewandroid:id="@+id/tv_xie"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_centerVertical="true"android:layout_marginLeft="3dp"android:layout_marginRight="3dp"android:text="/" /><TextViewandroid:id="@+id/tv_stop_show_time"android:layout_width="wrap_content"android:textSize="17sp"android:layout_height="wrap_content"android:layout_centerVertical="true"android:text="00:00" /></LinearLayout></LinearLayout>
</RelativeLayout>

然后 check box 的选择器以及 seekbar的设置
首先 checkbox 的 @drawable/play_btn_play_pause_selector

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android"><item android:drawable="@drawable/iv_stop"  android:state_checked="true"/>  <item android:drawable="@drawable/iv_start"  />
</selector>
//这边图片的大家可以替换自己的

接下来是 seekbar的 @drawable/shape_seek_bg 是一个层次集合里边都有注解

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"><item android:id="@android:id/background" android:height="5dp" >   <!--整体进度条的颜色 背景 --><shape><corners android:radius="5dp" /><solid android:color="#CFDCF6" /></shape></item><item android:id="@android:id/secondaryProgress" android:height="5dp" >   <!--二进度条进度条的颜色 背景 --><clip><shape><corners android:radius="5dp" /><solid android:color="#CFDCF6" /></shape></clip></item><item android:id="@android:id/progress" android:height="5dp" > <!-- 一 进度条的颜色 背景 --><clip><shape><corners android:radius="5dp" /><solid android:color="@color/login_tit" /></shape></clip></item>
</layer-list>

然后下边粘上我的代码因为这个是我项目中的代码所以大家“烤”的时候需要自己过滤一下

import android.annotation.SuppressLint;
import android.app.ProgressDialog;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.RelativeLayout;
import android.widget.SeekBar;
import android.widget.TextView;import com.example.juanshichang.utils.ToastUtil;
import com.xhly.easystud.utils.Util;
import com.flyco.roundview.RoundTextView;
import com.xhkjedu.xhstudy.utils.L;
import com.xhly.easystud.R;
import com.xhly.easystud.base.BaseMvpActivity;
import com.xhly.easystud.bean.ReciteResultBean;
import com.xhly.easystud.config.BaseConfig;
import com.xhly.easystud.http.Content;
import com.xhly.easystud.utils.DownloadUtil;
import com.xhly.easystud.utils.ZJFileUtil;
import com.xhly.easystud.zhan.recite.presenter.ReciteResultPresenterImpl;
import com.xhly.easystud.zhan.recite.recitecontract.ReciteResultContract;import java.io.File;
import java.util.ArrayList;public class ReciteResultActivity extends BaseMvpActivity<ReciteResultPresenterImpl> implements View.OnClickListener, ReciteResultContract.MyView {private static final String TAG = "ReciteResultActivity";private TextView tvBack;private TextView tvNumberReally;private CheckBox chkPlaybtn;private SeekBar andioPlayBtn;private Integer mRsid;private ReciteResultPresenterImpl reciteResultPresenter;private TextView tvTitle;private TextView tvContent;private TextView tvFinishTime;private RoundTextView tvAnswer;private RoundTextView tvOrigin;private String answertxt;private String recitecont;private Integer costtime;private TextView tvStopShowTime;private String answerpath;private boolean isStop;//线程标志位private boolean isPlaying = false;private ArrayList<String> wavfileurllist = new ArrayList<>();private ProgressDialog progressDialog;private Integer costtime1;private String getsubwavfilename;private String wavfileurl;private TextView tvStartTimeShow;public MediaPlayer mediaPlayer = null;private Thread thread;@Overrideprotected int getContentView() {return R.layout.activity_recite_result;}//运用Handler中的handleMessage方法接收子线程传递的信息@SuppressLint("HandlerLeak")private Handler handler = new Handler() {@Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);// 将SeekBar位置设置到当前播放位置andioPlayBtn.setProgress(msg.what);//获得音乐的当前播放时间tvStartTimeShow.setText(Util.Companion.getTimeMS(msg.what / 1000));}};@Overrideprotected void initView() {changeStatusColor(true);Intent intent = getIntent();mRsid = intent.getIntExtra(Content.PSID, 0);tvBack = findViewById(R.id.tv_back);tvNumberReally = findViewById(R.id.tv_number_really);chkPlaybtn = findViewById(R.id.chk_play_btn);andioPlayBtn = findViewById(R.id.audio_play_bar);tvTitle = findViewById(R.id.tv_title);tvContent = findViewById(R.id.tv_content);tvStartTimeShow = findViewById(R.id.tv_start_time_show);tvNumberReally = findViewById(R.id.tv_number_really);tvFinishTime = findViewById(R.id.tv_finish_time);tvAnswer = findViewById(R.id.tv_answer);tvOrigin = findViewById(R.id.tv_origin);tvStopShowTime = findViewById(R.id.tv_stop_show_time);tvAnswer.getDelegate().setBackgroundColor(getResources().getColor(R.color.logBut));tvAnswer.setTextColor(this.getResources().getColor(R.color.white));reciteResultPresenter = new ReciteResultPresenterImpl();reciteResultPresenter.attachView(this);initonclicklistener();}private void initonclicklistener() {tvBack.setOnClickListener(this);tvOrigin.setOnClickListener(this);tvAnswer.setOnClickListener(this);chkPlaybtn.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {@Overridepublic void onCheckedChanged(CompoundButton compoundButton, boolean b) {if (b) {if (mediaPlayer != null) {if(!mediaPlayer.isPlaying()){isStop = false;mediaPlayer.start();if (thread != null) {thread.start();} else {thread = new Thread(new MuiscThread());thread.start();}}} else {satrtPlayWav(); //刚开始为播放的时候 点击开始播放 并且更换状态}} else {//如果在播放中，立刻暂停。chkPlaybtn.setChecked(false);if (mediaPlayer != null) {mediaPlayer.pause();}}}});}@Overridepublic void onClick(View view) {switch (view.getId()) {case R.id.tv_back:finish();isStop = true;break;case R.id.tv_answer:tvAnswer.getDelegate().setStrokeColor(getResources().getColor(R.color.logBut));tvAnswer.getDelegate().setBackgroundColor(getResources().getColor(R.color.logBut));tvAnswer.setTextColor(getResources().getColor(R.color.white));tvOrigin.getDelegate().setBackgroundColor(getResources().getColor(R.color.white));tvOrigin.getDelegate().setStrokeColor(getResources().getColor(R.color.gray_border));tvOrigin.setTextColor(getResources().getColor(R.color.black));tvContent.setText(answertxt);break;case R.id.tv_origin:tvOrigin.getDelegate().setStrokeColor(getResources().getColor(R.color.logBut));tvOrigin.getDelegate().setBackgroundColor(getResources().getColor(R.color.logBut));tvOrigin.setTextColor(getResources().getColor(R.color.white));tvAnswer.getDelegate().setBackgroundColor(getResources().getColor(R.color.white));tvAnswer.getDelegate().setStrokeColor(getResources().getColor(R.color.gray_border));tvAnswer.setTextColor(getResources().getColor(R.color.black));tvContent.setText(recitecont);break;}}@Overrideprotected void initData() {showLoading();reciteResultPresenter.getReciteResultData(mRsid);}@Overridepublic void getReciteResultView(ReciteResultBean reciteResultBean) {answerpath = reciteResultBean.getAnswerpath();String recitetitle = reciteResultBean.getRecitetitle();recitecont = reciteResultBean.getRecitecont();answertxt = reciteResultBean.getAnswertxt();Integer userscore = reciteResultBean.getUserscore();Integer stoptime = reciteResultBean.getStoptime();costtime1 = reciteResultBean.getCosttime();   //后台获取到的时间String Stringstoptime = Util.Companion.getTimedate(stoptime);tvFinishTime.setText("完成时间 : " + Stringstoptime);tvTitle.setText(recitetitle);tvContent.setText(answertxt);tvNumberReally.setText(String.valueOf(userscore));tvTitle.setText(recitetitle);}private void satrtPlayWav() {wavfileurl = ZJFileUtil.AUDIO_WAV_DIR(this);File file = new File(wavfileurl);File[] files = file.listFiles();for (int i = 0; i < files.length; i++) {File file1 = files[i];if (file1 != null) {wavfileurllist.add(file1.getName());} else {}}getsubwavfilename = answerpath.substring(answerpath.lastIndexOf("/") + 1);if (wavfileurllist != null && wavfileurllist.contains(getsubwavfilename)) {startplsywav(getsubwavfilename);} else {chkPlaybtn.setChecked(false);progressDialog = new ProgressDialog(ReciteResultActivity.this);progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);progressDialog.setTitle("正在下载");progressDialog.setMessage("请稍后...");progressDialog.setProgress(0);progressDialog.setMax(100);progressDialog.show();progressDialog.setCancelable(false);DownloadUtil.get().download(BaseConfig.showImageUrl + answerpath, ZJFileUtil.AUDIO_WAV_DIR(this), getsubwavfilename, new DownloadUtil.OnDownloadListener() {@Overridepublic void onDownloadSuccess(File file) {runOnUiThread(new Runnable() {@Overridepublic void run() {String getokwavurl = file.getName().substring(file.getName().lastIndexOf("/") + 1);if (getokwavurl.equals(getsubwavfilename)) {ToastUtil.Companion.showToast(ReciteResultActivity.this, "下载完成");chkPlaybtn.setChecked(true);}}});}@Overridepublic void onDownloading(int progress) {runOnUiThread(new Runnable() {@Overridepublic void run() {progressDialog.setProgress(progress);if (progress == progressDialog.getMax()) {progressDialog.dismiss();}}});}@Overridepublic void onDownloadFailed(Exception e) {runOnUiThread(new Runnable() {@Overridepublic void run() {ToastUtil.Companion.showToast(ReciteResultActivity.this, "下载失败");progressDialog.dismiss();}});}});}}private void startplsywav(String filename) {isStop = false;chkPlaybtn.setChecked(true);mediaPlayer = new MediaPlayer();try {mediaPlayer.setDataSource(wavfileurl + File.separator + filename);mediaPlayer.prepareAsync();} catch (Exception e) {e.printStackTrace();}mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {@Overridepublic void onPrepared(MediaPlayer mediaPlayer) {mediaPlayer.start();andioPlayBtn.setMax(mediaPlayer.getDuration());int stopshowtime = mediaPlayer.getDuration() / 1000; //h直接获取本地的 文件时间String Stringfinishtime = Util.Companion.getTimeMS(stopshowtime);tvStopShowTime.setText(Stringfinishtime);chkPlaybtn.setClickable(true);}});thread = new Thread(new MuiscThread());// 启动线程thread.start();mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {@Overridepublic void onCompletion(MediaPlayer mp) {isStop = true;if (mediaPlayer != null) {if (mediaPlayer.isPlaying()) {mediaPlayer.stop();mediaPlayer.release();}}if (thread != null) {thread.interrupt();}
//                tvStartTimeShow.setText("00:00");
//                andioPlayBtn.setProgress(0);chkPlaybtn.setChecked(false);}});}@Overrideprotected void onDestroy() {super.onDestroy();if (mediaPlayer != null && handler != null && thread != null) {mediaPlayer.stop();mediaPlayer.release();mediaPlayer = null;thread.interrupt();isStop = true;handler.removeCallbacks(thread);}}//建立一个子线程实现Runnable接口class MuiscThread implements Runnable {@Override//实现run方法public void run() {//判断音乐的状态，在不停止与不暂停的情况下向总线程发出信息while (mediaPlayer != null && !isStop) {try {//发出的信息handler.sendEmptyMessage(mediaPlayer.getCurrentPosition());// 每100毫秒更新一次位置Thread.sleep(100);} catch (Exception e) {e.printStackTrace();}if (isStop) {thread.interrupt();break;}}}}}

加上我使用的下载工具类

/*** 文件下载工具类（单例模式）* Created on 2017/10/16.*/public class DownloadUtil {private static DownloadUtil downloadUtil;private final OkHttpClient okHttpClient;public static DownloadUtil get() {if (downloadUtil == null) {downloadUtil = new DownloadUtil();}return downloadUtil;}private DownloadUtil() {okHttpClient = new OkHttpClient();}/*** @param url          下载连接* @param destFileDir  下载的文件储存目录* @param destFileName 下载文件名称* @param listener     下载监听*/public void download(final String url, final String destFileDir, final String destFileName, final OnDownloadListener listener) {Request request = new Request.Builder().url(url).build();okHttpClient.newCall(request).enqueue(new Callback() {@Overridepublic void onFailure(Call call, IOException e) {// 下载失败监听回调listener.onDownloadFailed(e);}@Overridepublic void onResponse(Call call, Response response) throws IOException {InputStream is = null;byte[] buf = new byte[2048];int len = 0;FileOutputStream fos = null;// 储存下载文件的目录File dir = new File(destFileDir);if (!dir.exists()) {dir.mkdirs();}File file = new File(dir, destFileName);try {is = response.body().byteStream();long total = response.body().contentLength();fos = new FileOutputStream(file);long sum = 0;while ((len = is.read(buf)) != -1) {fos.write(buf, 0, len);sum += len;int progress = (int) (sum * 1.0f / total * 100);// 下载中更新进度条listener.onDownloading(progress);}fos.flush();// 下载完成listener.onDownloadSuccess(file);} catch (Exception e) {listener.onDownloadFailed(e);} finally {try {if (is != null)is.close();} catch (IOException e) {}try {if (fos != null)fos.close();} catch (IOException e) {}}}});}public interface OnDownloadListener {/*** @param file 下载成功后的文件*/void onDownloadSuccess(File file);/*** @param progress 下载进度*/void onDownloading(int progress);/*** @param e 下载异常信息*/void onDownloadFailed(Exception e);}
}

大家看了有不懂的可以问我问我我的地方我到时候加个注释再给大家说一下这样写的好处

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