Android仿微信拍摄短视频

/**
 * 视频播放控件
 */
public class movierecorderview extends linearlayout implements onerrorlistener {
 private surfaceview msurfaceview;
 private surfaceholder msurfaceholder;
 private progressbar mprogressbar;
 private mediarecorder mmediarecorder;
 private camera mcamera;
 private timer mtimer;// 计时器
 private onrecordfinishlistener monrecordfinishlistener;// 录制完成回调接口
 private int mwidth;// 视频分辨率宽度
 private int mheight;// 视频分辨率高度
 private boolean isopencamera;// 是否一开始就打开摄像头
 private int mrecordmaxtime;// 一次拍摄最长时间
 private int mtimecount;// 时间计数
 private file mvecordfile = null;// 文件
 public movierecorderview(context context) {
 this(context, null);
 }
 public movierecorderview(context context, attributeset attrs) {
 this(context, attrs, 0);
 }
 @suppresslint("newapi")
 public movierecorderview(context context, attributeset attrs, int defstyle) {
 super(context, attrs, defstyle);
 typedarray a = context.obtainstyledattributes(attrs,
 r.styleable.movierecorderview, defstyle, 0);
 mwidth = a.getinteger(r.styleable.movierecorderview_width, 320);// 默认320
 mheight = a.getinteger(r.styleable.movierecorderview_height, 240);// 默认240
 isopencamera = a.getboolean(
 r.styleable.movierecorderview_is_open_camera, true);// 默认打开
 mrecordmaxtime = a.getinteger(
 r.styleable.movierecorderview_record_max_time, 10);// 默认为10
 layoutinflater.from(context)
 .inflate(r.layout.movie_recorder_view, this);
 msurfaceview = (surfaceview) findviewbyid(r.id.surfaceview);
 mprogressbar = (progressbar) findviewbyid(r.id.progressbar);
 mprogressbar.setmax(mrecordmaxtime);// 设置进度条最大量
 msurfaceholder = msurfaceview.getholder();
 msurfaceholder.addcallback(new customcallback());
 msurfaceholder.settype(surfaceholder.surface_type_push_buffers);
 a.recycle();
 }
 /**
 * 
 */
 private class customcallback implements callback {
 @override
 public void surfacecreated(surfaceholder holder) {
 if (!isopencamera)
 return;
 try {
 initcamera();
 } catch (ioexception e) {
 e.printstacktrace();
 }
 }
 @override
 public void surfacechanged(surfaceholder holder, int format, int width,
 int height) {
 }
 @override
 public void surfacedestroyed(surfaceholder holder) {
 if (!isopencamera)
 return;
 freecameraresource();
 }
 }
 /**
 * 初始化摄像头
 */
 private void initcamera() throws ioexception {
 if (mcamera != null) {
 freecameraresource();
 }
 try {
 mcamera = camera.open();
 } catch (exception e) {
 e.printstacktrace();
 freecameraresource();
 }
 if (mcamera == null)
 return;
 setcameraparams();
 mcamera.setdisplayorientation(90);
 mcamera.setpreviewdisplay(msurfaceholder);
 mcamera.startpreview();
 mcamera.unlock();
 }
 /**
 * 设置摄像头为竖屏
 */
 private void setcameraparams() {
 if (mcamera != null) {
 parameters params = mcamera.getparameters();
 params.set("orientation", "portrait");
 mcamera.setparameters(params);
 }
 }
 /**
 * 释放摄像头资源
 */
 private void freecameraresource() {
 if (mcamera != null) {
 mcamera.setpreviewcallback(null);
 mcamera.stoppreview();
 mcamera.lock();
 mcamera.release();
 mcamera = null;
 }
 }
 private void createrecorddir() {
 //录制的视频保存文件夹
 file sampledir = new file(environment.getexternalstoragedirectory()
 + file.separator + "ysb/video/");//录制视频的保存地址
 if (!sampledir.exists()) {
 sampledir.mkdirs();
 }
 file vecorddir = sampledir;
 // 创建文件
 try {
 mvecordfile = file.createtempfile("recording", ".mp4", vecorddir);// mp4格式的录制的视频文件
 } catch (ioexception e) {
 e.printstacktrace();
 }
 }
 /**
 * 初始化
 * @throws ioexception
 */
 @suppresslint("newapi")
 private void initrecord() throws ioexception {
 mmediarecorder = new mediarecorder();
 mmediarecorder.reset();
 if (mcamera != null)
 mmediarecorder.setcamera(mcamera);
 mmediarecorder.setonerrorlistener(this);
 mmediarecorder.setpreviewdisplay(msurfaceholder.getsurface());
 mmediarecorder.setvideosource(videosource.camera);// 视频源
 mmediarecorder.setaudiosource(audiosource.mic);// 音频源
 mmediarecorder.setoutputformat(outputformat.mpeg_4);// 视频输出格式
 mmediarecorder.setaudioencoder(audioencoder.amr_nb);// 音频格式
 mmediarecorder.setvideosize(mwidth, mheight);// 设置分辨率：
 // mmediarecorder.setvideoframerate(16);// 这个我把它去掉了，感觉没什么用
 mmediarecorder.setvideoencodingbitrate(1 * 1024 * 1024 * 100);// 设置帧频率，然后就清晰了
 mmediarecorder.setorientationhint(90);// 输出旋转90度，保持竖屏录制
 mmediarecorder.setvideoencoder(videoencoder.mpeg_4_sp);// 视频录制格式
 // mediarecorder.setmaxduration(constant.maxvediotime * 1000);
 mmediarecorder.setoutputfile(mvecordfile.getabsolutepath());
 mmediarecorder.prepare();
 try {
 mmediarecorder.start();
 } catch (illegalstateexception e) {
 e.printstacktrace();
 } catch (runtimeexception e) {
 e.printstacktrace();
 } catch (exception e) {
 e.printstacktrace();
 }
 }
 /**
 * 开始录制视频
 * @param filename
 * 视频储存位置
 * @param onrecordfinishlistener
 * 达到指定时间之后回调接口
 */
 public void record(final onrecordfinishlistener onrecordfinishlistener) {
 this.monrecordfinishlistener = onrecordfinishlistener;
 createrecorddir();
 try {
 if (!isopencamera)// 如果未打开摄像头，则打开
 initcamera();
 initrecord();
 mtimecount = 0;// 时间计数器重新赋值
 mtimer = new timer();
 mtimer.schedule(new timertask() {
 @override
 public void run() {
  mtimecount++;
  mprogressbar.setprogress(mtimecount);// 设置进度条
  if (mtimecount == mrecordmaxtime) {// 达到指定时间，停止拍摄
  stop();
  if (monrecordfinishlistener != null)  monrecordfinishlistener.onrecordfinish();
  }
 }
 }, 0, 1000);
 } catch (ioexception e) {
 e.printstacktrace();
 }
 }
 /**
 * 停止拍摄
 */
 public void stop() {
 stoprecord();
 releaserecord();
 freecameraresource();
 }
 /**
 * 停止录制
 */
 public void stoprecord() {
 mprogressbar.setprogress(0);
 if (mtimer != null)
 mtimer.cancel();
 if (mmediarecorder != null) {
 // 设置后不会崩
 mmediarecorder.setonerrorlistener(null);
 mmediarecorder.setpreviewdisplay(null);
 try {
 mmediarecorder.stop();
 } catch (illegalstateexception e) {
 e.printstacktrace();
 } catch (runtimeexception e) {
 e.printstacktrace();
 } catch (exception e) {
 e.printstacktrace();
 }
 }
 }
 /**
 * 释放资源
 */
 private void releaserecord() {
 if (mmediarecorder != null) {
 mmediarecorder.setonerrorlistener(null);
 try {
 mmediarecorder.release();
 } catch (illegalstateexception e) {
 e.printstacktrace();
 } catch (exception e) {
 e.printstacktrace();
 }
 }
 mmediarecorder = null;
 }
 public int gettimecount() {
 return mtimecount;
 }
 //返回录制的视频文件
 public file getmvecordfile() {
 return mvecordfile;
 }
 /**
 * 录制完成回调接口
 */
 public interface onrecordfinishlistener {
 public void onrecordfinish();
 }
 @override
 public void onerror(mediarecorder mr, int what, int extra) {
 try {
 if (mr != null)
 mr.reset();
 } catch (illegalstateexception e) {
 e.printstacktrace();
 } catch (exception e) {
 e.printstacktrace();
 }
 }
}

<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent" 
android:background="@android:color/background_dark"
 android:orientation="vertical">
 <surfaceview 
 android:id="@+id/surfaceview" 
 android:layout_width="fill_parent" 
 android:layout_height="0dp"
 android:layout_weight="1"
 />
 <progressbar
 android:id="@+id/progressbar"
 style="?android:attr/progressbarstylehorizontal"
 android:layout_width="match_parent"
 android:layout_height="2dp" 
 />
</linearlayout>

<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent" 
 android:background="@android:color/white"
 android:orientation="vertical">
<com.example.wechatvideorecorddemo.movierecorderview
 android:id="@+id/movierecorderview"
 android:layout_width="match_parent"
 android:layout_height="0dp"
 android:layout_weight="1"
 android:layout_margin="3dp" />
 <button
 android:id="@+id/shoot_button"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_gravity="center" android:background="@drawable/bg_movie_add_shoot"
 android:text="按住拍" 
 android:textcolor="#20b6ff"/>
</linearlayout>

public class mainactivity extends activity {
 private movierecorderview mrecorderview;//视频录制控件
 private button mshootbtn;//视频开始录制按钮
 private boolean isfinish = true;
 private boolean success = false;//防止录制完成后出现多次跳转事件
 @override
 protected void oncreate(bundle savedinstancestate) {
 super.oncreate(savedinstancestate);
 setcontentview(r.layout.activity_main);
 mrecorderview = (movierecorderview) findviewbyid(r.id.movierecorderview);
 mshootbtn = (button) findviewbyid(r.id.shoot_button);
 //用户长按事件监听
 mshootbtn.setontouchlistener(new ontouchlistener() {
 @override
 public boolean ontouch(view v, motionevent event) {
 if (event.getaction() == motionevent.action_down) {//用户按下拍摄按钮
  mshootbtn.setbackgroundresource(r.drawable.bg_movie_add_shoot_select);
  mrecorderview.record(new onrecordfinishlistener() {
  @override
  public void onrecordfinish() {
  if(!success&&mrecorderview.gettimecount()<10){//判断用户按下时间是否大于10秒
  success = true;
  handler.sendemptymessage(1);
  }
  }
  });
 } else if (event.getaction() == motionevent.action_up) {//用户抬起拍摄按钮
  mshootbtn.setbackgroundresource(r.drawable.bg_movie_add_shoot);
  if (mrecorderview.gettimecount() > 3){//判断用户按下时间是否大于3秒
  if(!success){
  success = true;
  handler.sendemptymessage(1);
  }
  } else {
  success = false;
  if (mrecorderview.getmvecordfile() != null)
 mrecorderview.getmvecordfile().delete();//删除录制的过短视频
  mrecorderview.stop();//停止录制
  toast.maketext(mainactivity.this, "视频录制时间太短", toast.length_short).show();
  }
 }
 return true;
 }
 });
 }
 @override
 public void onresume() {
 super.onresume();
 isfinish = true;
 if (mrecorderview.getmvecordfile() != null)
 mrecorderview.getmvecordfile().delete();//视频使用后删除
 }
 @override
 public void onsaveinstancestate(bundle outstate) {
 super.onsaveinstancestate(outstate);
 isfinish = false;
 success = false;
 mrecorderview.stop();//停止录制
 }
 @override
 public void onpause() {
 super.onpause();
 }
 @override
 public void ondestroy() {
 super.ondestroy();
 }
 private handler handler = new handler() {
 @override
 public void handlemessage(message msg) {
 if(success){
 finishactivity();
 }
 }
 };
 //视频录制结束后，跳转的函数
 private void finishactivity() {
 if (isfinish) {
 mrecorderview.stop();
 intent intent = new intent(this, successactivity.class);
 bundle bundle = new bundle();
 bundle.putstring("text", mrecorderview.getmvecordfile().tostring());
 intent.putextras(bundle);
 startactivity(intent);
 }
 success = false;
 }
 /**
 * 录制完成回调
 */
 public interface onshootcompletionlistener {
 public void onshootsuccess(string path, int second);
 public void onshootfailure();
 }
}

<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent" 
 android:background="@android:color/white"
 android:orientation="vertical">
 <textview 
 android:id="@+id/text"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_gravity="center"
 android:text="@string/app_name" />
 <linearlayout 
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:orientation="horizontal"
 >
 <button 
 android:id="@+id/button1"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:layout_weight="1"
 android:gravity="center"
 android:padding="5dp"
 android:text="播放"
 />
 <button 
 android:id="@+id/button2"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:layout_weight="1"
 android:gravity="center"
 android:padding="5dp"
 android:text="暂停"
 />
 <button 
 android:id="@+id/button3"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:layout_weight="1"
 android:gravity="center"
 android:padding="5dp"
 android:text="重播"
 />
 <button 
 android:id="@+id/button4"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:layout_weight="1"
 android:gravity="center"
 android:padding="5dp"
 android:text="视频长度"
 />
 </linearlayout>
 <videoview
 android:id="@+id/videoview1"
 android:layout_width="wrap_content"
 android:layout_height="500dp" />
</linearlayout>

public class successactivity extends activity implements onclicklistener{
 private textview text;//视频保存的路径
 private button button1;//播放开关
 private button button2;//暂停开关
 private button button3;//重新播放开关
 private button button4;//视频大小开关
 private videoview videoview1;//视频播放控件
 private string file;//视频路径
 @override
 protected void oncreate(bundle savedinstancestate) {
 super.oncreate(savedinstancestate);
 setcontentview(r.layout.activity_success);
 bundle bundle = getintent().getextras();
 file = bundle.getstring("text");//获得拍摄的短视频保存地址
 init();
 setvalue();
 }
 //初始化
 private void init() {
 text = (textview) findviewbyid(r.id.text);
 button1 = (button) findviewbyid(r.id.button1);
 button2 = (button) findviewbyid(r.id.button2);
 button3 = (button) findviewbyid(r.id.button3);
 button4 = (button) findviewbyid(r.id.button4);
 videoview1 = (videoview) findviewbyid(r.id.videoview1);
 }
 //设置
 private void setvalue() {
 text.settext(file);
 button1.setonclicklistener(this);
 button2.setonclicklistener(this);
 button3.setonclicklistener(this);
 button4.setonclicklistener(this);
 videoview1.setvideopath(file);
 }
 @override
 public void onclick(view v) {
 switch (v.getid()) {
 case r.id.button1:
 videoview1.start();
 break;
 case r.id.button2:
 videoview1.pause(); 
 break;
 case r.id.button3:
 videoview1.resume();
 videoview1.start();
 break;
 case r.id.button4:
 toast.maketext(this, "视频长度："+(videoview1.getduration()/1024)+"m", toast.length_short).show();
 break;
 default:
 break;
 }
 } 
}

<!-- 视频录制的权限star -->
<!-- 摄像头 -->
<uses-permission android:name="android.permission.camera" />
<!-- 音频即声音 -->
<uses-permission android:name="android.permission.record_audio" />
<!-- sd卡写入权限 -->
<uses-permission android:name="android.permission.mount_unmount_filesystems" />
<uses-permission android:name="android.permission.write_external_storage" />
<!-- 硬件支持 -->
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />
<!-- 视频录制的权限end -->