Android视频音乐播放SeekBar和播放时间同步
16lz
2021-01-23
方案一：使用handler控制SeekBar和时间，以视频为例
布局文件XML
<RelativeLayout android:id="@+id/video_layout" android:layout_width="match_parent" android:layout_height="220dp" android:layout_below="@+id/videoPlay_name" android:layout_alignParentLeft="true" android:layout_alignParentStart="true"> <VideoView android:id="@+id/vv_player" android:layout_width="match_parent" android:layout_height="200dp" /> <LinearLayout android:layout_alignParentBottom="true" android:layout_width="match_parent" android:layout_height="20dp" android:orientation="horizontal" android:weightSum="1"> <TextView android:id="@+id/video_now_time" android:layout_width="wrap_content" android:layout_height="20dp" android:text="00:00:00"/> <SeekBar android:id="@+id/video_seekBar" android:layout_width="wrap_content" android:layout_height="20dp" android:layout_weight="1.00" /> <TextView android:id="@+id/video_total_time" android:layout_width="wrap_content" android:layout_height="20dp" android:text="00:00:00" /> LinearLayout> RelativeLayout> <ImageView android:id="@+id/video_play" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/video_layout" android:layout_centerHorizontal="true" android:layout_marginTop="17dp" android:maxHeight="40dp" android:adjustViewBounds="true"/>JAVA代码VideoPlay.java
package com.example.videoplay;import android.app.Activity;import android.content.Intent;import android.net.Uri;import android.os.Build;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.View;import android.view.Window;import android.view.WindowManager;import android.widget.ImageView;import android.widget.SeekBar;import android.widget.TextView;import android.widget.VideoView;public class VideoPlay extends Activity implements View.OnClickListener{ private VideoView vv_player; private TextView videoPlay_name,video_now_time,video_total_time; private ImageView play; private ImageView back; private SeekBar video_seekBar; private boolean isPlaying; public static final int UPDATE_UI = 1; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_video_play); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS); window.setStatusBarColor(getResources().getColor(R.color.system)); } /* 加载布局 */ loadView(); video_seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { @Override public void onStopTrackingTouch(SeekBar seekBar) { int process = seekBar.getProgress(); if(vv_player != null && vv_player.isPlaying()) { vv_player.seekTo(process); } } @Override public void onStartTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { // TODO Auto-generated method stub } }); } //更新时间 private void updateTime(TextView textView,int millisecond){ int second = millisecond/1000; int hh = second / 3600; int mm = second % 3600 / 60; int ss = second % 60; String str = null; if(hh!=0){ str = String.format("%02d:%02d:%02d",hh,mm,ss); }else { str = String.format("%02d:%02d",mm,ss); } textView.setText(str); } private Handler UIhandle = new Handler(){ @Override public void handleMessage(Message msg){ super.handleMessage(msg); if(msg.what==UPDATE_UI) { int position = vv_player.getCurrentPosition(); int totalduration = vv_player.getDuration(); video_seekBar.setMax(totalduration); video_seekBar.setProgress(position); updateTime(video_now_time,position); updateTime(video_total_time,totalduration); UIhandle.sendEmptyMessageDelayed(UPDATE_UI, 500); } } }; //加载整个view视图,自动播放视频 public void loadView(){ //加载videoview控件 vv_player = (VideoView)findViewById(R.id.vv_player); videoPlay_name = (TextView) findViewById(R.id.videoPlay_name); play = (ImageView) findViewById(R.id.video_play); back = (ImageView) findViewById(R.id.video_back); play.setOnClickListener(this); back.setOnClickListener(this); play.setImageResource(R.drawable.pause); back.setImageResource(R.drawable.back); video_seekBar = findViewById(R.id.video_seekBar); video_now_time = findViewById(R.id.video_now_time); video_total_time = findViewById(R.id.video_total_time); //设置服务器视频资源路径 Intent intent = getIntent(); String address = intent.getStringExtra("address"); String name = intent.getStringExtra("name"); videoPlay_name.setText(name); Uri uri = Uri.parse(address); vv_player.setVideoURI(uri); //设置本地视频资源路径 // vv_player.setVideoPath("/sdcard/video/test.mp4"); //MediaController mc = new MediaController(VideoPlay.this); //mc.setVisibility(View.INVISIBLE); //vv_player.setMediaController(mc); //设置焦点 vv_player.requestFocus(); //播放 vv_player.start(); UIhandle.sendEmptyMessage(UPDATE_UI); } @Override public void onClick(View view) { switch (view.getId()){ case R.id.video_play: if(vv_player.isPlaying()){ vv_player.pause(); play.setImageResource(R.drawable.play); }else{ vv_player.start(); play.setImageResource(R.drawable.pause); } break; case R.id.video_back: this.finish(); break; } }}方案二：使用进程控制SeekBar
JAVA代码MusicPlay.java
public class MusicPlay extends Activity implements View.OnClickListener{ private TextView music_name; private ImageView play; private SeekBar seekBar; private Boolean isplaying; private ImageView back; private TextView music_now_time,music_total_time; private static final int UPDATE_TIME = 2; private MediaPlayer mediaPlayer; private String url; private Handler handler = new Handler(){ @Override public void handleMessage(Message msg){ super.handleMessage(msg); switch (msg.what){ case 1: play.setImageResource(R.drawable.pause); break; case UPDATE_TIME:{ /** * 更新时间 */ int position = mediaPlayer.getCurrentPosition(); int totalduration = mediaPlayer.getDuration(); updateTime(music_now_time,position); updateTime(music_total_time,totalduration); handler.sendEmptyMessageDelayed(UPDATE_TIME, 500); } break; } } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_music_play); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS); window.setStatusBarColor(getResources().getColor(R.color.system)); } music_name = (TextView) findViewById(R.id.music_name); seekBar = (SeekBar) findViewById(R.id.music_seekBar); play = (ImageView) findViewById(R.id.play); back = (ImageView) findViewById(R.id.music_back); back.setOnClickListener(this); play.setOnClickListener(this); music_now_time = (TextView) findViewById(R.id.music_now_time); music_total_time = (TextView) findViewById(R.id.music_total_time); initMediaPlayer(); initView(); seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { @Override public void onStopTrackingTouch(SeekBar seekBar) { int process = seekBar.getProgress(); if(mediaPlayer != null && mediaPlayer.isPlaying()) { mediaPlayer.seekTo(process); } } @Override public void onStartTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { // TODO Auto-generated method stub } }); } private void updateTime(TextView textView,int millisecond){ int second = millisecond/1000; int hh = second / 3600; int mm = second % 3600 / 60; int ss = second % 60; String str = null; if(hh!=0){ str = String.format("%02d:%02d:%02d",hh,mm,ss); }else { str = String.format("%02d:%02d",mm,ss); } textView.setText(str); } private void initView(){ /** * 初始化播放暂停键 */ new Thread(new Runnable() { @Override public void run() { Message message = new Message(); message.what = 1; handler.sendMessage(message); } }).start(); } private void initMediaPlayer() { Intent intent = getIntent(); url = intent.getStringExtra("address"); String name = intent.getStringExtra("name"); music_name.setText(name); new Thread(new Runnable() { @Override public void run() { mediaPlayer = new MediaPlayer(); try { mediaPlayer = MediaPlayer.create(MusicPlay.this, Uri.parse(url)); mediaPlayer.start(); handler.sendEmptyMessage(UPDATE_TIME); int max = mediaPlayer.getDuration(); seekBar.setMax(max); /** *开启进程控制SeekBar */ new Thread() { public void run() { isplaying = true; while (isplaying) { int position = mediaPlayer.getCurrentPosition(); seekBar.setProgress(position); try { Thread.sleep(500); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } }.start(); mediaPlayer.setLooping(false); } catch (Exception e) { e.printStackTrace(); } } }).start(); } @Override public void onClick(View view) { switch (view.getId()){ case R.id.play:{ if(mediaPlayer.isPlaying()){ mediaPlayer.pause(); play.setImageResource(R.drawable.play); } else{ mediaPlayer.start(); play.setImageResource(R.drawable.pause); } }break; case R.id.music_back: this.finish(); break; } } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) { //按下的如果是BACK，同时没有重复 mediaPlayer.stop(); this.finish(); return true; } return super.onKeyDown(keyCode, event); }}更多相关文章
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