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服务器之家 - 编程语言 - Android - 基于VideoView自定义控制面板的视频播放器

基于VideoView自定义控制面板的视频播放器

2022-03-08 15:57尽人事看天意 Android

这篇文章主要为大家详细介绍了基于VideoView自定义控制面板的视频播放器，具有一定的参考价值，感兴趣的小伙伴们可以参考一下

本文实例为大家分享了VideoView原生自定义视频播放器的具体代码，供大家参考，具体内容如下

项目用到的技术点和亮点

  • VideoView封装视频播放工具类
  • 自定义视频控制面板
  • 手势识别器的使用

1. VideoView封装视频播放工具类

视频播放这些其实都挺简单的，VideoView这个类都提供了相应方法，详细见代码 代码都比较简单，不过需要注意的是要在主线程中更新视频面板的UI信息。

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/********************************************************
 * 视频业务类
 * 最后修改时间：2017/9/23
 * @author zlc
 *
 *********************************************************/
package com.zlc.video;
import android.app.Activity;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.media.MediaPlayer;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.PowerManager;
import android.os.PowerManager.WakeLock;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.VideoView;
public class VideoBusiness implements MediaPlayer.OnPreparedListener,MediaPlayer.OnCompletionListener,MediaPlayer.OnErrorListener{
 
 private Activity activity;
 private WakeLock mWakeLock;
 public VideoView mVideoView;
 private VideoController mController;
 
 /**播放状态枚举，有三种播放状态：空闲，正在准备*/
 private enum PLAYER_STATUS {
  IDLE, PREPARING,PAUSED, PREPARED,RESUMED,STOPPED
 }
 /**当前播放状态*/
 public PLAYER_STATUS mPlayerStatus = PLAYER_STATUS.IDLE;
 
 /**播放信息异步处理方法,用于更新进度*/
 /**事件标志*/
 private int mLastPos;
 
 public VideoBusiness(Activity activity){
  this.activity = activity;
  // 保持屏幕高亮
  PowerManager pm = (PowerManager) activity.getSystemService(Context.POWER_SERVICE);
  mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK | PowerManager.ON_AFTER_RELEASE, "Test");
 }
 
 //初始化视频播放器
 public void initVideo(VideoView videoView,VideoController controller,String sourceUrl){
 
  this.mVideoView = videoView;
  this.mController = controller;
  mController.setVideoBusiness(this);
  Log.e("msg","设置播放地址 = "+sourceUrl);
  mVideoView.setOnPreparedListener(this);
  mVideoView.setOnCompletionListener(this);
  mVideoView.setOnErrorListener(this);
  mVideoView.setVideoPath(sourceUrl); //设置播放地址
 
 }
 
 //开始播放
 public void startPlay(){
  if (null != mWakeLock && (!mWakeLock.isHeld())) {
   mWakeLock.acquire();
  }
  if(null != mVideoView) {
   Log.e("msg", "播放");
   mVideoView.start();
   mPlayerStatus = PLAYER_STATUS.PREPARING;
  }
 }
 
 
 /**
  * 暂停播放
  */
 public void pause() {
  if (null != mWakeLock) {
   mWakeLock.release();
  }
  if(null != mVideoView && mVideoView.isPlaying()){
   mVideoView.pause();
   mPlayerStatus = PLAYER_STATUS.PAUSED;
   mLastPos = getCurrentTime();
  }
 }
 
 /**
  * 继续播放
  */
 public void resume(){
  if (null != mWakeLock) {
   mWakeLock.acquire();
  }
  if(null != mVideoView){
   //mVideoView.resume();
   mVideoView.seekTo(mLastPos);
   mVideoView.start();
   mPlayerStatus = PLAYER_STATUS.RESUMED;
  }
 }
 
 /**
  * 停止播放
  */
 public void stop() {
 
  if (null != mWakeLock) {
   mWakeLock.release();
  }
  if(null != mVideoView){
   mLastPos = getCurrentTime();
   mVideoView.stopPlayback();
   mPlayerStatus = PLAYER_STATUS.STOPPED;
  }
 }
 
 /**
  * 判断是否正在播放
  * @return
  */
 public boolean isPlaying(){
  return mVideoView!=null && mVideoView.isPlaying();
 }
 
 /**
  * 是否暂停
  */
 public boolean isPause(){
  return mPlayerStatus == PLAYER_STATUS.PAUSED;
 }
 
 /**
  * 释放资源
  */
 public void release(){
  if (null != mWakeLock) {
   mWakeLock.release();
   mWakeLock = null;
  }
  if(null != mVideoView){
   mVideoView.stopPlayback();
   mVideoView = null;
  }
 }
 
 @Override
 public void onCompletion(MediaPlayer mediaPlayer) {
  Log.e("onCompletion","视频播放完了");
  mController.showLong();
  mController.setProgress(0);
  mLastPos = 0;
  mPlayerStatus = PLAYER_STATUS.IDLE;
  removeUIMessage();
 }
 
 @Override
 public boolean onError(MediaPlayer mediaPlayer, int i, int i1) {
  Log.e("onError","视频播放报错了");
  return false;
 }
 
 @Override
 public void onPrepared(MediaPlayer mediaPlayer) {
  Log.e("onPrepared","视频准备好了");
  if (mPlayerStatus!= PLAYER_STATUS.PAUSED){
   int totalTime = getTotalTime();
   mController.setTotalTime(totalTime);
   mController.setProgress(0);
   mController.setMaxProgress(totalTime);
   mPlayerStatus = PLAYER_STATUS.PREPARED;
   sendUIMessage();
  }
 }
 
 /**
  * 进度条拖拽播放
  * @param time
  */
 public void seekToPlay(int time){
  int totalSecond = getTotalTime();
  int tempTime = time > totalSecond ? totalSecond : time;
  mVideoView.seekTo(tempTime);
  sendUIMessage();
 }
 
 
 //视频暂停播放 播放大按钮点击事件
 public void playVideo(ImageView id_btn_video_play, ImageView img){
  if(isPlaying()){
   pause();
   id_btn_video_play.setVisibility(View.VISIBLE);
   img.setImageResource(R.drawable.video_pause);
   mPlayerStatus = PLAYER_STATUS.PAUSED;
   mUIHandler.sendEmptyMessageDelayed(UI_EVENT_UPDATE_CURRPOSITION, 500);
  }else if(isPause()){
   resume();
   id_btn_video_play.setVisibility(View.GONE);
   img.setImageResource(R.drawable.video_play);
   mPlayerStatus = PLAYER_STATUS.RESUMED;
  }else{
   img.setImageResource(R.drawable.video_play);
   id_btn_video_play.setVisibility(View.GONE);
   startPlay();
   mPlayerStatus = PLAYER_STATUS.PREPARING;
  }
 }
 
 private boolean isCurrentLandscape = false; //是不是横屏
 //横竖屏切换按钮点击方法
 public void toggleScreenDir(View v){
  if (isCurrentLandscape) {// 如果当前是横屏，则切换为竖屏,然后把按钮为变为变大的图标
   activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
   if(v instanceof ImageView){
    ((ImageView)v).setImageResource(R.drawable.zuidahua_2x);
   }
  } else {// 如果当前是竖屏，则切换为横屏,然后把按钮为变为变小的图标
   activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
   if(v instanceof ImageView){
    ((ImageView)v).setImageResource(R.drawable.xiaohua_2x);
   }
  }
  isCurrentLandscape = !isCurrentLandscape;
 }
 
 public UIHandler mUIHandler = new UIHandler(Looper.getMainLooper());
 public final int UI_EVENT_UPDATE_CURRPOSITION = 1; //更新进度信息
 public boolean isSeekBarEnable = true;
 
 class UIHandler extends Handler{
  public UIHandler(Looper mainLooper) {
   super(mainLooper);
  }
 
  @Override
  public void handleMessage(Message msg) {
   switch (msg.what) {
    //更新进度及时间
    case UI_EVENT_UPDATE_CURRPOSITION:
     if (isSeekBarEnable) {
      int currentPosition = getCurrentTime();
      String timeString = mController.getTimeString(currentPosition);
      //Log.e("handleMessage",timeString);
      if(isPlaying()) {
       mController.setProgress(currentPosition);
       mUIHandler.sendEmptyMessageDelayed(
         UI_EVENT_UPDATE_CURRPOSITION, 200);
      }
     }
     break;
   }
  }
 }
 
 public void sendUIMessage(){
  mUIHandler.sendEmptyMessage(UI_EVENT_UPDATE_CURRPOSITION);
 }
 
 public void removeUIMessage(){
  mUIHandler.removeMessages(UI_EVENT_UPDATE_CURRPOSITION);
 }
 
 //获取视频总时间
 public int getTotalTime(){
  return mVideoView==null ? 0 : mVideoView.getDuration();
 }
 
 //获取视频当前时间
 public int getCurrentTime(){
  return mVideoView==null ? 0 : mVideoView.getCurrentPosition();
 }
}

2. 手势识别器的使用

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//1. 创建手势识别器
 progressGestureDetector = new GestureDetector(mContext,new ProgressGestureListenr());
 
//2.复写GestureDetector.OnGestureListener的6个方法
boolean onDown(MotionEvent e) //用户按下屏幕就会触发
 
void onShowPress(MotionEvent e) ////down事件发生而move或则up还没发生前触发该事件
 
boolean onSingleTapUp(MotionEvent e) //一次点击up事件
 
boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) //在屏幕上拖动事件
 
void onLongPress(MotionEvent e) //长按事件
 
 boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) //滑动手势事件
 
 //3 onTouch中拦截
 @Override
 public boolean onTouch(View view, MotionEvent event) {
 
  return progressGestureDetector.onTouchEvent(event);
 }
 //4 事件绑定
 progressArea.setOnTouchListener(this);

3. 自定义视频控制面板

代码比较简单同时代码不长 都有注释 需要的可以参考下 大神勿喷

 

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package com.zlc.video;
 
import android.app.Activity;
import android.content.Context;
import android.media.AudioManager;
import android.os.Handler;
import android.os.Message;
import android.provider.Settings;
import android.util.AttributeSet;
import android.util.Log;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.SeekBar;
import android.widget.TextView;
 
import com.zlc.video.utils.DensityUtil;
import com.zlc.video.utils.ScreenUtil;
import java.text.SimpleDateFormat;
import java.util.Date;
 
public class VideoController extends RelativeLayout implements View.OnTouchListener,View.OnClickListener,SeekBar.OnSeekBarChangeListener{
 
 private Context mContext;
 private View mContainer;
 private VideoBusiness videoBusiness;
 /** 表示当前视频控制面板是否展示*/
 public boolean isShow = true;
 private Handler hideHandler = new Handler() {
  @Override
  public void handleMessage(Message msg) {
   if (isShow) {
    hideController();
   }
  }
 };
 /** 视频功能控制底边栏*/
 private LinearLayout mMediaController;
 
 /***************手势相关*********************/
 private int GESTURE_FLAG = 0;//1调节进度,2调节音量,3调节亮度
 private FrameLayout mProgressIndicator;
 private ProgressBar progressBar;
 /**进度相关*/
 private GestureDetector progressGestureDetector;
 private static final int GESTURE_MODIFY_PROGRESS = 1;
 /**音量相关*/
 private static final int GESTURE_MODIFY_VOLUME = 2;
 private AudioManager audiomanager;
 private int maxVolume, currentVolume;
 /**亮度相关*/
 private static final int GESTURE_MODIFY_BRIGHTNESS = 3;
 private WindowManager.LayoutParams brightnessLp;
 private int maxBrightness,currentBrightness;
 private LinearLayout progressArea;
 private int targetTime;
 //UI相关
 private RelativeLayout id_rl_video_controller;
 private FrameLayout id_fl_video_play;
 private FrameLayout id_fl_video_expand;
 private TextView id_video_time;
 private TextView id_video_totaltime;
 private SeekBar id_sb_progress;
 private ImageView id_btn_video_play;
 private ImageView id_iv_video_play;
 private TextView id_tv_video_info;
 
 
 public VideoController(Context context) {
  this(context, null);
 }
 
 public VideoController(Context context, AttributeSet attrs) {
  this(context, attrs, 0);
 }
 
 public VideoController(Context context, AttributeSet attrs, int defStyle) {
  super(context, attrs, defStyle);
  mContext = context;
  init();
  initListener();
 }
 
 private void init() {
  //初始化音量相关
  audiomanager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
  maxVolume = audiomanager.getStreamMaxVolume(AudioManager.STREAM_MUSIC); // 获取系统最大音量
  currentVolume = audiomanager.getStreamVolume(AudioManager.STREAM_MUSIC); // 获取当前值
  //初始化亮度相关
  brightnessLp=((Activity)mContext).getWindow().getAttributes();
  currentBrightness = getCurrentBrightness();
  maxBrightness = 255; //设置最大亮度
  initView();
 }
 
 private void initView() {
  mContainer = View.inflate(mContext, R.layout.video_controller, null);
  id_rl_video_controller = findView(R.id.id_rl_video_controller);
  mMediaController = findView(R.id.id_ll_controller);
  mProgressIndicator = findView(R.id.id_fl_progress_indicator);
  progressBar = findView(R.id.id_pb_gesture_progress);
  progressArea = findView(R.id.id_ll_video_gesture_progress);
  id_fl_video_play = findView(R.id.id_fl_video_play);
  id_fl_video_expand = findView(R.id.id_fl_video_expand);
  id_video_time = findView(R.id.id_video_time);
  id_video_totaltime = findView(R.id.id_video_totaltime);
  id_sb_progress = findView(R.id.id_sb_progress);
  id_btn_video_play = findView(R.id.id_btn_video_play);
  id_iv_video_play = findView(R.id.id_iv_video_play);
  id_tv_video_info = findView(R.id.id_tv_video_info);
  addView(mContainer);
 }
 
 private <T extends View> T findView(int viewId) {
  return (T) mContainer.findViewById(viewId);
 }
 
 public void setVideoBusiness(VideoBusiness videoBusiness) {
  this.videoBusiness = videoBusiness;
 }
 
 private void initListener() {
  //进度手势相关
  progressGestureDetector = new GestureDetector(mContext,new ProgressGestureListenr());
  progressGestureDetector.setIsLongpressEnabled(true);
  progressArea.setLongClickable(true);
  progressArea.setOnTouchListener(this);
  mMediaController.setOnClickListener(this);
  id_rl_video_controller.setOnClickListener(this);
  id_fl_video_play.setOnClickListener(this);
  id_fl_video_expand.setOnClickListener(this);
  id_btn_video_play.setOnClickListener(this);
  id_sb_progress.setOnSeekBarChangeListener(this);
 }
 
 //状态切换
 public void toggle() {
  if (isShow) {
   hideController();
  } else {
   showController();
  }
 }
 
 //隐藏底部控制栏
 public void hideController() {
  isShow = false;
  mMediaController.setVisibility(View.GONE);
  endTimer();
 }
 
 //显示底部控制栏
 public void showController() {
  isShow = true;
  mMediaController.setVisibility(View.VISIBLE);
  startTimer();
 }
 
 private void startTimer() {
  if (hideHandler != null){
   hideHandler.removeMessages(0);
  }
  hideHandler.sendEmptyMessageDelayed(0, 5000);
 }
 
 private void endTimer() {
  hideHandler.removeMessages(0);
 }
 
 public void resetTimer() {
  endTimer();
  startTimer();
 }
 
 public void showLong() {
  isShow = true;
  mMediaController.setVisibility(View.VISIBLE);
 }
 
 //设置视频总时间
 public void setTotalTime(int time) {
  String totalTime = getTimeString(time);
  id_video_totaltime.setText(totalTime);
 }
 
 //设置视频当前进度
 public void setProgress(int progress){
  int maxProgress = videoBusiness.getTotalTime();
  int tempProgress = progress > maxProgress ? maxProgress : progress;
  id_sb_progress.setProgress(tempProgress);
 }
 
 //是指视频总进度
 public void setMaxProgress(int maxProgress){
  id_sb_progress.setMax(maxProgress);
 }
 
 //获取当前亮度
 private int getCurrentBrightness(){
  int currentBrightness = 255;
  if (brightnessLp.screenBrightness == WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE){
   // 获取系统亮度
   try {
    currentBrightness = Settings.System.getInt(((Activity)mContext).getContentResolver(), Settings.System.SCREEN_BRIGHTNESS);
   } catch (Settings.SettingNotFoundException e) {
    e.printStackTrace();
   }
  }else{
   // 获取当前窗口亮度
   currentBrightness = (int)(brightnessLp.screenBrightness * 255);
  }
  return currentBrightness;
 }
 
 
 @Override
 public void onClick(View view) {
  switch (view.getId()){
   case R.id.id_ll_controller: //底部控制器
    showController();
    break;
   case R.id.id_rl_video_controller: //全屏点击
    toggle();
    break;
   case R.id.id_fl_video_play: // 暂停/播放
   case R.id.id_btn_video_play: // 暂停/播放
    videoBusiness.playVideo(id_btn_video_play,id_iv_video_play);
    break;
   case R.id.id_fl_video_expand: //全屏
    resetTimer();
    videoBusiness.toggleScreenDir(view);
    break;
  }
 }
 
 
 @Override
 public boolean onTouch(View view, MotionEvent event) {
 
  getParent().requestDisallowInterceptTouchEvent(true);
  if (event.getAction() == MotionEvent.ACTION_UP) {
   mProgressIndicator.setVisibility(View.INVISIBLE);
   if (GESTURE_FLAG == GESTURE_MODIFY_PROGRESS) { //调节进度
    Log.e("进度时间","targetTime="+targetTime);
    videoBusiness.seekToPlay(targetTime);
    videoBusiness.isSeekBarEnable = true;
    hideController();
   }
   GESTURE_FLAG = 0;// 手指离开屏幕后，重置调节音量或进度的标志
  }
  return progressGestureDetector.onTouchEvent(event);
 }
 
 private int currentPosition; //当前播放进度
 private int totalPosition; //总播放进度
 class ProgressGestureListenr implements GestureDetector.OnGestureListener{
  private boolean firstScroll = false;// 每次触摸屏幕后，第一次scroll的标志
  private int slop;// 触发设置变动的最小距离
  @Override
  public boolean onDown(MotionEvent e) { //用户按下屏幕就会触发
   //初始数据
   slop = DensityUtil.dp2px(mContext,2);
   currentPosition = videoBusiness.getCurrentTime();
   totalPosition = videoBusiness.getTotalTime();
   firstScroll = true;
   return false;
  }
 
  @Override
  public void onShowPress(MotionEvent e) { //down事件发生而move或则up还没发生前触发该事件
  }
 
  @Override
  public boolean onSingleTapUp(MotionEvent e) { //一次点击up事件
   toggle();
   if(videoBusiness.isPlaying()){ //正在播放
    return false;
   }else{ //暂停或者开始播放
    videoBusiness.playVideo(id_btn_video_play,id_iv_video_play);
    isShow = false;
    return true;
   }
  }
 
  //在屏幕上拖动事件
  @Override
  public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
   if (firstScroll) {// 以触摸屏幕后第一次滑动为标准，避免在屏幕上操作切换混乱
    // 横向的距离变化大则调整进度，纵向的变化大则调整音量
    Log.e("xxxxxxx",e1.getX()+"");
    Log.e("yyyyyyy",e1.getY()+"");
    setScroll(e1, distanceX, distanceY);
   }
   // 如果每次触摸屏幕后第一次scroll是调节进度，那之后的scroll事件都处理音量进度，直到离开屏幕执行下一次操作
   switch (GESTURE_FLAG){
    case GESTURE_MODIFY_PROGRESS: //调节当前进度
     setCurrentProgress(distanceX, distanceY,slop);
     break;
    case GESTURE_MODIFY_VOLUME: //调节当前音量
     setCurrentVolume(distanceX, distanceY,slop);
     break;
    case GESTURE_MODIFY_BRIGHTNESS: //调节当前亮度
     setCurrentBrightess(distanceX, distanceY,slop);
     break;
   }
   firstScroll=false;
   return false;
  }
 
  @Override
  public void onLongPress(MotionEvent e) { //长按事件
  }
 
  @Override
  public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { //滑动手势事件
   return false;
  }
 }
 
 //滑动事件
 private void setScroll(MotionEvent e1, float distanceX, float distanceY) {
  int screenWidth = ScreenUtil.getScreenWidth(mContext);
  Log.e("屏宽",screenWidth+"");
  //横向的距离变化大则调整进度，纵向的变化大则调整音量
  mProgressIndicator.setVisibility(View.VISIBLE);
  if (Math.abs(distanceX) >= Math.abs(distanceY)) { //调整进度
   progressBar.setVisibility(View.INVISIBLE);
   id_tv_video_info.setVisibility(VISIBLE);
   GESTURE_FLAG = GESTURE_MODIFY_PROGRESS;
   videoBusiness.isSeekBarEnable = false;
   endTimer();
   showLong();
  }else { //调整音量
   progressBar.setVisibility(VISIBLE);
   id_tv_video_info.setVisibility(INVISIBLE);
   if (e1.getX() > screenWidth / 2){ //屏幕右边上下滑动调整音量
    //右半屏音量
    setVideoVolume();
   }else{        //屏幕左边上下滑动调整亮度
    //左半屏亮度
    setVideoBrightness();
   }
  }
 }
 
 //设置当前进度
 private void setCurrentProgress(float distanceX, float distanceY,float slop) {
  if (Math.abs(distanceX) > Math.abs(distanceY)) {// 横向移动大于纵向移动
   //Log.e("setCurrentProgress",distanceX+"");
   if(distanceX >= slop){ //从右往左滑 快退
    mProgressIndicator.setBackgroundResource(R.drawable.kuaitui);
    if (currentPosition > 1000) {
     currentPosition -= 1500;
    }
   }else if(distanceX <= -slop){ //从左往右滑 快进
    mProgressIndicator.setBackgroundResource(R.drawable.kuaijin);
    if (currentPosition < totalPosition) {
     currentPosition += 1500;
    }
   }
  }
  targetTime = currentPosition;
  Log.e("进度时间","currentPosition="+currentPosition);
  id_sb_progress.setProgress(currentPosition);
  id_video_time.setText(getTimeString(currentPosition));
  String videoPbInfo = getTimeString(currentPosition)+"/"+ getTimeString(totalPosition);
  id_tv_video_info.setText(videoPbInfo);
 }
 
 //设置当前亮度
 private void setCurrentBrightess(float distanceX, float distanceY, float slop) {
  currentBrightness = getCurrentBrightness();
  if (Math.abs(distanceY) > Math.abs(distanceX)) {// 纵向移动大于横向移动
   if (distanceY >= slop) {// 上滑 亮度调大,注意横屏时的坐标体系,尽管左上角是原点，但横向向上滑动时distanceY为正
    if (currentBrightness < maxBrightness) {// 为避免调节过快，distanceY应大于一个设定值
     currentBrightness += 8;
    }
   } else if (distanceY <= -slop) {// 亮度调小
    if (currentBrightness > 0) {
     currentBrightness -= 8;
    }
    if (currentBrightness<0){
     currentBrightness=0;
    }
   }
   mProgressIndicator.setBackgroundResource(R.drawable.liangdu);
   progressBar.setProgress(currentBrightness);
   changeAppBrightness(mContext,currentBrightness);
  }
 }
 
 //设置当前音量
 private void setCurrentVolume(float distanceX, float distanceY,float slop) {
 
  currentVolume = audiomanager.getStreamVolume(AudioManager.STREAM_MUSIC); // 获取当前值
  if (Math.abs(distanceY) > Math.abs(distanceX)) { // 纵向移动大于横向移动
   if (distanceY >= slop) { // 上滑 音量调大,注意横屏时的坐标体系,尽管左上角是原点，但横向向上滑动时distanceY为正
    if (currentVolume < maxVolume) {// 为避免调节过快，distanceY应大于一个设定值
     currentVolume++;
    }
    mProgressIndicator.setBackgroundResource(R.drawable.yinliang);
   } else if (distanceY <= -slop) {// 音量调小 下滑
    if (currentVolume > 0) {
     currentVolume--;
     if (currentVolume == 0) {// 静音，设定静音独有的图片
      mProgressIndicator.setBackgroundResource(R.drawable.jingying);
     }
    }
   }
   progressBar.setProgress(currentVolume);
   audiomanager.setStreamVolume(AudioManager.STREAM_MUSIC, currentVolume, 0);
  }
 }
 
 //设置视频亮度
 private void setVideoBrightness() {
  progressBar.setMax(maxBrightness);
  progressBar.setProgress(currentBrightness);
  mProgressIndicator.setBackgroundResource(R.drawable.liangdu);
  GESTURE_FLAG = GESTURE_MODIFY_BRIGHTNESS;
 }
 
 //设置视频音量
 private void setVideoVolume() {
  progressBar.setMax(maxVolume);
  progressBar.setProgress(currentVolume);
  mProgressIndicator.setBackgroundResource(R.drawable.yinliang);
  GESTURE_FLAG = GESTURE_MODIFY_VOLUME;
 }
 
 //改变系统亮度
 public void changeAppBrightness(Context context, int brightness) {
  Window window = ((Activity) context).getWindow();
  WindowManager.LayoutParams lp = window.getAttributes();
  if (brightness == -1) {
   lp.screenBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
  } else {
   lp.screenBrightness = (brightness <= 0 ? 1 : brightness) / 255f;
  }
  window.setAttributes(lp);
 }
 
 public String getTimeString(int second) {
  int temp = second / 1000;
  int hh = temp / 3600;
  SimpleDateFormat sdf;
  if (0 != hh) {
   sdf = new SimpleDateFormat("HH:mm:ss");
  } else {
   sdf = new SimpleDateFormat("mm:ss");
  }
  String format = sdf.format(new Date(second));
  return format;
 }
 
 //进度条改变
 @Override
 public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
  String timeString = getTimeString(progress);
  id_video_time.setText(timeString);
 }
 
 //开始拖动
 @Override
 public void onStartTrackingTouch(SeekBar seekBar) {
  showLong();
  videoBusiness.removeUIMessage();
 }
 
 //结束拖动
 @Override
 public void onStopTrackingTouch(SeekBar seekBar) {
  showController();
  int progress = seekBar.getProgress();
  videoBusiness.seekToPlay(progress);
 }
 
}

4.下载地址

VideoView原生自定义视频播放器

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。

原文链接：https://blog.csdn.net/rjgcszlc/article/details/78073955

  • 视频播放器
  • videoview

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