实例介绍
【实例截图】
【核心代码】
package net.video.trimmer.view; import net.video.trimmer.R; import net.video.trimmer.model.VideoPlayerState; import net.video.trimmer.service.VideoTrimmingService; import net.video.trimmer.util.FileUtils; import net.video.trimmer.util.TimeUtils; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.ProgressDialog; import android.content.DialogInterface; import android.content.Intent; import android.content.res.Configuration; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.os.Messenger; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.MediaController; import android.widget.TextView; import android.widget.VideoView; public class ViewVideo extends Activity { protected final int LOADING_DIALOG = 1; protected final int MESSAGE_DIALOG = 2; protected final int VALIDATION_DIALOG = 3; private VideoView videoView; private TextView detailView; private VideoPlayerState videoPlayerState = new VideoPlayerState(); protected Handler completionHander = new Handler() { @Override public void handleMessage(Message msg) { Log.e("VideoView", "VideoView Recieved message"); videoPlayerState.setMessageText(msg.getData().getString("text")); removeDialog(LOADING_DIALOG); showDialog(MESSAGE_DIALOG); stopService(videoTrimmingServiceIntent()); } }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.e("VideoView", "VideoView In on create"); setContentView(R.layout.video_player); Object lastState = getLastNonConfigurationInstance(); if (lastState != null) { videoPlayerState = (VideoPlayerState) lastState; } else { Bundle extras = getIntent().getExtras(); videoPlayerState.setFilename(extras.getString("videofilename")); } videoView = (VideoView) findViewById(R.id.VideoView); videoView.setVideoPath(videoPlayerState.getFilename()); MediaController mediaController = new MediaController(this); videoView.setMediaController(mediaController); videoView.requestFocus(); videoView.start(); Button startButton = (Button) findViewById(R.id.Start); startButton.setOnClickListener(startClickListener()); Button stopButton = (Button) findViewById(R.id.Stop); stopButton.setOnClickListener(stopClickListener()); Button resetButton = (Button) findViewById(R.id.Reset); resetButton.setOnClickListener(resetClickListener()); Button trimButton = (Button) findViewById(R.id.Trim); trimButton.setOnClickListener(trimClickListener()); detailView = (TextView) findViewById(R.id.Details); refreshDetailView(); } @Override public Object onRetainNonConfigurationInstance() { Log.e("VideoView", "VideoView In on retain"); return videoPlayerState; } @Override protected void onResume() { super.onResume(); Log.e("VideoView", "VideoView In on resume"); videoView.seekTo(videoPlayerState.getCurrentTime()); } @Override protected void onPause() { super.onPause(); Log.e("VideoView", "VideoView In on pause"); videoPlayerState.setCurrentTime(videoView.getCurrentPosition()); } private OnClickListener trimClickListener() { return new OnClickListener() { @Override public void onClick(View arg0) { videoView.pause(); if(!videoPlayerState.isValid()) { showDialog(VALIDATION_DIALOG); return; } Intent intent = videoTrimmingServiceIntent(); String inputFileName = videoPlayerState.getFilename(); intent.putExtra("inputFileName", inputFileName); intent.putExtra("outputFileName", FileUtils.getTargetFileName(inputFileName)); intent.putExtra("start", videoPlayerState.getStart()/1000); intent.putExtra("duration", videoPlayerState.getDuration()/1000); intent.putExtra("messenger", new Messenger(completionHander)); startService(intent); showDialog(LOADING_DIALOG); } }; } private Intent videoTrimmingServiceIntent() { return new Intent(ViewVideo.this, VideoTrimmingService.class); } private OnClickListener resetClickListener() { return new OnClickListener() { @Override public void onClick(View arg0) { videoPlayerState.reset(); refreshDetailView(); } }; } private OnClickListener stopClickListener() { return new OnClickListener() { @Override public void onClick(View arg0) { int stop = videoView.getCurrentPosition(); videoPlayerState.setStop(stop); refreshDetailView(); } }; } private OnClickListener startClickListener() { return new OnClickListener() { @Override public void onClick(View arg0) { videoPlayerState .setStart(videoView.getCurrentPosition()); refreshDetailView(); } }; } @Override protected void onPrepareDialog(int id, Dialog dialog) { Log.e("VideoView", "VideoView In on prepare dialog"); switch (id) { case MESSAGE_DIALOG: ((AlertDialog) dialog).setMessage(videoPlayerState.getMessageText()); break; } } @Override protected Dialog onCreateDialog(int id) { Log.e("VideoView", "VideoView In on create dialog"); Dialog dialog; switch (id) { case VALIDATION_DIALOG: dialog = simpleAlertDialog("Invalid video timings selected for trimming. Please make sure your start time is less than the stop time."); break; case LOADING_DIALOG: dialog = ProgressDialog.show(ViewVideo.this, "", "Trimming...", true, true); break; case MESSAGE_DIALOG: dialog = simpleAlertDialog(""); break; default: dialog = null; } return dialog; } private Dialog simpleAlertDialog(String message) { Dialog dialog; AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage(message).setCancelable(true) .setPositiveButton("Ok", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { ViewVideo.this.removeDialog(MESSAGE_DIALOG); ViewVideo.this.removeDialog(LOADING_DIALOG); } }); dialog = builder.create(); return dialog; } private void refreshDetailView() { String start = TimeUtils.toFormattedTime(videoPlayerState.getStart()); String stop = TimeUtils.toFormattedTime(videoPlayerState.getStop()); detailView.setText("Start at " start "\nEnd at " stop); } }
标签: 视频 剪辑
小贴士
感谢您为本站写下的评论,您的评论对其它用户来说具有重要的参考价值,所以请认真填写。
- 类似“顶”、“沙发”之类没有营养的文字,对勤劳贡献的楼主来说是令人沮丧的反馈信息。
- 相信您也不想看到一排文字/表情墙,所以请不要反馈意义不大的重复字符,也请尽量不要纯表情的回复。
- 提问之前请再仔细看一遍楼主的说明,或许是您遗漏了。
- 请勿到处挖坑绊人、招贴广告。既占空间让人厌烦,又没人会搭理,于人于己都无利。
关于好例子网
本站旨在为广大IT学习爱好者提供一个非营利性互相学习交流分享平台。本站所有资源都可以被免费获取学习研究。本站资源来自网友分享,对搜索内容的合法性不具有预见性、识别性、控制性,仅供学习研究,请务必在下载后24小时内给予删除,不得用于其他任何用途,否则后果自负。基于互联网的特殊性,平台无法对用户传输的作品、信息、内容的权属或合法性、安全性、合规性、真实性、科学性、完整权、有效性等进行实质审查;无论平台是否已进行审查,用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。本站所有资源不代表本站的观点或立场,基于网友分享,根据中国法律《信息网络传播权保护条例》第二十二与二十三条之规定,若资源存在侵权或相关问题请联系本站客服人员,点此联系我们。关于更多版权及免责申明参见 版权及免责申明
网友评论
我要评论