dart（UI+控制器）
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
class EditLiveViewController {
MethodChannel channel;
BasicMessageChannel _basicMessageChannel;
Function _onPlayStart;
Function _onPlayStop;
Function _onPlayChange;
EditLiveViewController(){
channel = const MethodChannel('edit_live_view_plugin');
channel.setMethodCallHandler((call){
if("onPlayStart" == call.method){
if(_onPlayStart != null){
_onPlayStart();
}
}else{
}
return null;
});
_basicMessageChannel = const BasicMessageChannel("basic_edit_live_view_plugin", JSONMessageCodec());
_basicMessageChannel.setMessageHandler((message){
Map map = message as Map;
String method = map['method'];
if("onPlayChange" == method){
int v = map['value'];
if(_onPlayChange != null){
_onPlayChange(v);
}
}else if("onPlayStop" == method){
if(_onPlayStop != null){
_onPlayStop();
}
}
return null;
});
}
///监听进度
setOnPlayStop(Function listener){
_onPlayStop = listener;
}
///监听进度
setOnPlayStart(Function listener){
_onPlayStart = listener;
}
///监听进度
setOnPlayChange(Function listener){
_onPlayChange = listener;
}
///播放时间线
Future playTimeline() {
return channel.invokeMethod('playTimeline');
}
///暂停时间线
Future pauseTimeline() {
return channel.invokeMethod('pauseTimeline');
}
///获取时间总长度
Future getTimelineDuration() {
return channel.invokeMethod('getTimelineDuration');
}
}
class EditLiveView extends StatefulWidget{
const EditLiveView({
Key key,
this.paths,
this.musicData,
this.controller,
this.onCreate
}):super(key:key);
final List paths;
final EditLiveViewController controller;
final Function onCreate;
final Map musicData;// 音乐对象 "path":"" "startTime":0, "endTime":0,
@override
State createState() {
return _EditLiveViewState();
}
}
class _EditLiveViewState extends State{
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
if(defaultTargetPlatform == TargetPlatform.iOS){
return UiKitView(
key: UniqueKey(),
viewType: "edit_live_view",//platform_text_view
onPlatformViewCreated:_onPlatformViewCreated,
creationParams: {
"paths":widget.paths,
"musicData":widget.musicData,
},
creationParamsCodec: const StandardMessageCodec(),//new StandardMessageCodec()
);
}else{
return AndroidView(
key: UniqueKey(),
viewType: "edit_live_view",
onPlatformViewCreated:_onPlatformViewCreated,
creationParams: {
"paths":widget.paths,
"musicData":widget.musicData,
},
creationParamsCodec: const StandardMessageCodec()
);
}
}
void _onPlatformViewCreated(int id){
if(widget.onCreate != null){
widget.onCreate();
}
}
}
Android：
MyPlugs.java
import androidx.annotation.NonNull;
import io.flutter.embedding.engine.plugins.FlutterPlugin;
import io.flutter.plugin.common.MethodChannel;
public class MyPlugs implements FlutterPlugin {
@Override
public void onAttachedToEngine(@NonNull FlutterPluginBinding binding) {
LiveView.registerWithRegistrar(binding);
VideoFirstView.registerWithRegistrar(binding);
EditLiveView.registerWithRegistrar(binding);
TimelineEditorView.registerWithRegistrar(binding);
}
@Override
public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {
}
}
MainActivity.java
package com.meishe.sdkdemo;
import static com.meishe.sdkdemo.xg.MessageReceiver.*;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.nfc.Tag;
import android.os.Bundle;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
//import com.flutter.flutter_app_upgrade.FlutterAppUpgradePlugin;
import com.dashan.meishi.util.NvAssetManager;
import com.meishe.sdkdemo.loader.FlutterXUpdatePlugin;
import com.meishe.sdkdemo.media.MediaUtils;
import com.meishe.sdkdemo.media.MusicInfo;
import com.meishe.sdkdemo.wxapi.WXEntryActivity;
import com.meishe.sdkdemo.xg.MessageReceiver;
import com.dashan.meishi.Utils;
import com.dashan.meishi.base.base.constants.AndroidOS;
import com.dashan.meishi.util.PermissionsChecker;
import com.dashan.meishi.view.MyPlugs;
import com.google.android.gms.wearable.MessageEvent;
import com.meicam.effect.sdk.NvsEffectSdkContext;
import com.meicam.sdk.NvsStreamingContext;
import com.tencent.android.tpush.XGIOperateCallback;
import com.tencent.android.tpush.XGPushConfig;
import com.tencent.android.tpush.XGPushManager;
import com.tencent.android.tpush.XGPushShowedResult;
import com.meishe.sdkdemo.media.MediaData;
import com.meishe.sdkdemo.media.MusicInfo;
import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import io.flutter.embedding.android.FlutterActivity;
import io.flutter.embedding.android.FlutterEngineProvider;
import io.flutter.embedding.engine.FlutterEngine;
import io.flutter.plugin.common.MethodCall;
import io.flutter.plugin.common.MethodChannel;
import pub.devrel.easypermissions.EasyPermissions;
public class MainActivity extends FlutterActivity{
private FlutterEngine flutterEngine;
private Activity self = this;
@Override
protected void onCreate( Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
flutterEngine = getFlutterEngine();
flutterEngine.getPlugins().add(new MyPlugs());
}
}
EditLiveView.java
import android.content.Context;
import android.graphics.Point;
import android.media.MediaPlayer;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import android.view.View;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.dashan.meishi.Utils;
import com.dashan.meishi.util.NvsStreamUtil;
import com.meicam.sdk.NvsAudioClip;
import com.meicam.sdk.NvsAudioResolution;
import com.meicam.sdk.NvsAudioTrack;
import com.meicam.sdk.NvsColor;
import com.meicam.sdk.NvsLiveWindowExt;
import com.meicam.sdk.NvsRational;
import com.meicam.sdk.NvsStreamingContext;
import com.meicam.sdk.NvsTimeline;
import com.meicam.sdk.NvsVideoClip;
import com.meicam.sdk.NvsVideoFx;
import com.meicam.sdk.NvsVideoResolution;
import com.meicam.sdk.NvsVideoTrack;
import com.meicam.sdk.NvsVolume;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import io.flutter.embedding.engine.plugins.FlutterPlugin;
import io.flutter.plugin.common.BasicMessageChannel;
import io.flutter.plugin.common.BinaryMessenger;
import io.flutter.plugin.common.EventChannel;
import io.flutter.plugin.common.JSONMessageCodec;
import io.flutter.plugin.common.MethodCall;
import io.flutter.plugin.common.MethodChannel;
import io.flutter.plugin.common.StandardMessageCodec;
import io.flutter.plugin.platform.PlatformView;
import io.flutter.plugin.platform.PlatformViewFactory;
public class EditLiveView extends PlatformViewFactory implements PlatformView {
private static NvsLiveWindowExt mLiveWindow;
private static BinaryMessenger messenger;
public static MethodChannel methodChannel;
private static BasicMessageChannel basicMessageChannel;
private static EditLiveView instance;
private Handler mainHandler = new Handler(Looper.getMainLooper());
private EditLiveView() {
super(StandardMessageCodec.INSTANCE);
}
public static void registerWithRegistrar(@NonNull FlutterPlugin.FlutterPluginBinding binding){
methodChannel = new MethodChannel(binding.getBinaryMessenger(),"edit_live_view_plugin");
methodChannel.setMethodCallHandler(new MethodChannel.MethodCallHandler() {
@Override
public void onMethodCall(@NonNull MethodCall call, @NonNull MethodChannel.Result result) {
if("playTimeline".equals(call.method)){//播放时间轴 开始播放/恢复播放
if(instance != null){
instance.playTimeline();
}
}else if("pauseTimeline".equals(call.method)){//暂停时间轴
if(instance != null){
instance.pauseTimeline();
}
}else if("getTimelineDuration".equals(call.method)){
if(instance != null){
result.success(instance.getTimelineDuration());
}
}
}
});
basicMessageChannel = new BasicMessageChannel(binding.getBinaryMessenger(),"basic_edit_live_view_plugin", JSONMessageCodec.INSTANCE);
basicMessageChannel.setMessageHandler(new BasicMessageChannel.MessageHandler() {
@Override
public void onMessage(@Nullable Object message, @NonNull BasicMessageChannel.Reply reply) {
}
});
if(instance == null){
instance = new EditLiveView();
}
messenger = binding.getBinaryMessenger();
binding.getPlatformViewRegistry().registerViewFactory("edit_live_view",instance);
}
//播放时间线
private void playTimeline(){
if(mStreamingContext != null && mTimeline != null){
Log.e("test","" + mTimeline.getDuration());
Log.e("test","" + mStreamingContext.getTimelineCurrentPosition(mTimeline));
long duration = mStreamingContext.getTimelineCurrentPosition(mTimeline) - mTimeline.getDuration();
duration = Math.abs(duration);
if(duration < 30000){
mStreamingContext.playbackTimeline(mTimeline,0, mTimeline.getDuration(), NvsStreamingContext.VIDEO_PREVIEW_SIZEMODE_LIVEWINDOW_SIZE, true, 0);
if(methodChannel != null){
methodChannel.invokeMethod("onPlayStart",null);
}
}else{
mStreamingContext.playbackTimeline(mTimeline, mStreamingContext.getTimelineCurrentPosition(mTimeline), mTimeline.getDuration(), NvsStreamingContext.VIDEO_PREVIEW_SIZEMODE_LIVEWINDOW_SIZE, true, 0);
}
}
}
//停止时间线
private void pauseTimeline(){
if(mStreamingContext != null && mTimeline != null){
mStreamingContext.pausePlayback();
}
}
//
private long getTimelineDuration(){
if(mTimeline != null){
return mTimeline.getDuration();
}else{
return 0;
}
}
@Override
public View getView() {
return mLiveWindow;
}
@Override
public void dispose() {
}
@Override
public PlatformView create(@Nullable Context context, int viewId, @Nullable Object args) {
mLiveWindow = new NvsLiveWindowExt(context);
Map map = (Map) args;
List paths = (List) map.get("paths");// 视频列表
Map musicData =(Map) map.get("musicData"); // 音乐数据
System.out.println("edit接收的音乐:"+musicData);
//todo 初始化函数
initView(paths,musicData);
//todo 测试函数
// test();
return instance;
}
//获取当前引擎状态
private int getCurrentEngineState() {
return mStreamingContext.getStreamingEngineState();
}
}