Android 录音 与播放本地音乐功能的实现
16lz
2021-01-23
一切尽在代码中
package rjh.yilin.ui.activity;import android.Manifest;import android.app.Activity;import android.content.Intent;import android.media.MediaPlayer;import android.media.MediaRecorder;import android.os.Bundle;import android.support.annotation.NonNull;import android.support.v7.widget.CardView;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.text.format.DateFormat;import android.view.LayoutInflater;import android.view.MotionEvent;import android.view.View;import android.widget.EditText;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;import com.luck.picture.lib.PictureSelector;import com.luck.picture.lib.entity.LocalMedia;import java.io.File;import java.io.IOException;import java.util.ArrayList;import java.util.Calendar;import java.util.List;import java.util.Locale;import butterknife.BindView;import pub.devrel.easypermissions.EasyPermissions;import rjh.yilin.R;import rjh.yilin.app.AppConstants;import rjh.yilin.base.BaseActivity;import rjh.yilin.ui.adapter.HorizontalPhotoAdapter;import rjh.yilin.utils.LogUtils;import rjh.yilin.utils.ObjectUtils;import rjh.yilin.utils.ToastManager;import rjh.yilin.utils.YiLinUtils;/** * Created by 于德海 on 2018/9/4. * package rjh.yilin.ui.activity * email : yudehai0204@163.com * * @describe */public class TaskDetailActivity extends BaseActivity { private final String permission [] = new String[]{Manifest.permission.RECORD_AUDIO}; @BindView(R.id.img_left) ImageView imgLeft; @BindView(R.id.tv_title) TextView tvTitle; @BindView(R.id.tv_name) TextView tvName; @BindView(R.id.edit_content) EditText editContent; @BindView(R.id.tv_edit_nums) TextView tvEditNums; @BindView(R.id.mRecyclerView) RecyclerView mRecyclerView; @BindView(R.id.ll_voices) LinearLayout llVoices; @BindView(R.id.img_voice) ImageView imgVoice; @BindView(R.id.tv_issue) TextView tvIssue; @BindView(R.id.tv_luyin_seconds) TextView tvLuyinSeconds; @BindView(R.id.card_luyin) CardView cardLuyin; private ArrayList mList; private HorizontalPhotoAdapter mAdapter; private Boolean is_http; private String tid,type; private MediaRecorder mMediaRecorder; private MediaPlayer mMediaPlayer; private List mRecorderList;//录音list @Override protected void initParam(Bundle param) { try { tid = param.getString("tid",""); type = param.getString("type",""); is_http = param.getBoolean("is_http",false); } catch (NullPointerException e) { e.printStackTrace(); } } private int now_play_position; @Override protected int getLayoutId() { return R.layout.aty_task_detail; } @Override protected void initView() { mList = new ArrayList<>(); mAdapter = new HorizontalPhotoAdapter(this); mAdapter.setPhotoList(mList); mRecorderList = new ArrayList<>(); } @Override protected void initData() { tvTitle.setText("答卷"); mRecyclerView.setLayoutManager(new LinearLayoutManager(this,LinearLayoutManager.HORIZONTAL,false)); mRecyclerView.setAdapter(mAdapter); } @Override protected void initListener() { YiLinUtils.finishActivity(imgLeft); imgVoice.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { switch (event.getAction()){ case MotionEvent.ACTION_DOWN: LogUtils.e("开始录音"); if(EasyPermissions.hasPermissions(TaskDetailActivity.this,permission)){ startRecord(); }else { ToastManager.shotToast("无权限"); EasyPermissions.requestPermissions(TaskDetailActivity.this,"请求录音权限",0,permission); } break; case MotionEvent.ACTION_MOVE: break; case MotionEvent.ACTION_UP: LogUtils.e("结束录音"); stopRecord(); break; case MotionEvent.ACTION_CANCEL: LogUtils.e("结束录音"); stopRecord(); break; } return true; } }); } @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); EasyPermissions.onRequestPermissionsResult(requestCode,permissions,grantResults,this); } @Override public void onClick(View v) { } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if(requestCode== AppConstants.REQUEST_CODE_PICTURE&& Activity.RESULT_OK==resultCode&&data!=null){ mList.clear(); mList.addAll(PictureSelector.obtainMultipleResult(data)); mAdapter.notifyDataSetChanged(); } } private void initVoiceList(){ llVoices.removeAllViews(); if(mRecorderList.size()<=0) return; for (int i=0;ifinal int position = i; View view = LayoutInflater.from(this).inflate(R.layout.item_aty_taskdetail,llVoices,false); ImageView img_player = view.findViewById(R.id.img_player); TextView tv_second = view.findViewById(R.id.tv_seconds); TextView tv_delete = view.findViewById(R.id.tv_delete); img_player.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { startplayMusic(mRecorderList.get(position)); } }); tv_delete.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mRecorderList.remove(position); initVoiceList(); } }); llVoices.addView(view); } } //开始播放录音 private void startplayMusic(String url){ if(mMediaPlayer!=null){ stopPlayMusic(); } mMediaPlayer = new MediaPlayer(); showLoading(); try { mMediaPlayer.setDataSource(url); mMediaPlayer.prepareAsync(); mMediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() { @Override public void onPrepared(MediaPlayer mp) { // 装载完毕回调 mMediaPlayer.start(); dismissLoading(); } }); } catch (Exception e) { dismissLoading(); ToastManager.shotToast(e.getMessage()); e.printStackTrace(); } } //结束录音播放 private void stopPlayMusic(){ if(mMediaPlayer==null) return; try { mMediaPlayer.stop(); mMediaPlayer.release(); mMediaPlayer=null; } catch (IllegalStateException e) { e.printStackTrace(); } } @Override protected void onStop() { super.onStop(); if(mMediaRecorder!=null){//释放资源 stopRecord(); } if(mMediaPlayer!=null){ stopPlayMusic(); } } private String dir_path; String filePath; //开始录音 private void startRecord() { if (mMediaRecorder == null) mMediaRecorder = new MediaRecorder(); try { mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);// 设置麦克风 mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4); mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC); String voice_dir = "Voice/"; File file = new File(AppConstants.FILE_DIR+voice_dir); if(!file.exists()){ file.mkdirs(); } dir_path = file.getPath(); String fileName = DateFormat.format("yyyyMMdd_HHmmss", Calendar.getInstance(Locale.CHINA)) + ".m4a"; filePath = dir_path + "/"+fileName; mMediaRecorder.setOutputFile(filePath); mMediaRecorder.prepare(); mMediaRecorder.start(); cardLuyin.setVisibility(View.VISIBLE); } catch (IllegalStateException e) { ToastManager.shotToast(e.getMessage()); } catch (IOException e) { ToastManager.shotToast(e.getMessage()); } } //停止录音 public void stopRecord() { if(mMediaRecorder==null) return; try { cardLuyin.setVisibility(View.GONE); mMediaRecorder.stop(); mMediaRecorder.release(); mMediaRecorder = null; mRecorderList.add(filePath); LogUtils.e(filePath+""); initVoiceList(); filePath = ""; } catch (RuntimeException e) { ToastManager.shotToast(e.getMessage()); mMediaRecorder.reset(); mMediaRecorder.release(); mMediaRecorder = null; File file = new File(filePath); if (file.exists()) file.delete(); filePath = ""; } } @Override protected void onDestroy() { super.onDestroy(); if(ObjectUtils.isNotEmpty(dir_path)){ File file = new File(dir_path); if(file.exists()){ file.delete(); } } }} 更多相关文章
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