Android随手记—拍照录像以及录音的代码怎么写

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package com.cons.dcg.collect;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.*;
import android.app.*;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.*;
import android.widget.*;

public class RecordActivity extends Activity implements OnClickListener {

        private static final int RESULT_CAPTURE_IMAGE = 1;// 照相的requestCode
        private static final int REQUEST_CODE_TAKE_VIDEO = 2;// 摄像的照相的requestCode
        private static final int RESULT_CAPTURE_RECORDER_SOUND = 3;// 录音的requestCode
       
        private String strImgPath = "";// 照片文件绝对路径
        private String strVideoPath = "";// 视频文件的绝对路径
        private String strRecorderPath = "";// 录音文件的绝对路径

        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                this.setContentView(R.layout.problem_report);
        }

        @Override
        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
                super.onActivityResult(requestCode, resultCode, data);
                switch (requestCode) {
                case RESULT_CAPTURE_IMAGE://拍照
                        if (resultCode == RESULT_OK) {
                                Toast.makeText(this, strImgPath, Toast.LENGTH_SHORT).show();
                        }
                        break;
                case REQUEST_CODE_TAKE_VIDEO://拍摄视频
                        if (resultCode == RESULT_OK) {
                                Uri uriVideo = data.getData();
                                Cursor cursor=this.getContentResolver().query(uriVideo, null, null, null, null);
                                if (cursor.moveToNext()) {
                                        /** _data：文件的绝对路径 ，_display_name：文件名 */
                                        strVideoPath = cursor.getString(cursor.getColumnIndex("_data"));
                                        Toast.makeText(this, strVideoPath, Toast.LENGTH_SHORT).show();
                                }
                        }
                        break;
                case RESULT_CAPTURE_RECORDER_SOUND://录音
                        if (resultCode == RESULT_OK) {
                                Uri uriRecorder = data.getData();
                                Cursor cursor=this.getContentResolver().query(uriRecorder, null, null, null, null);
                                if (cursor.moveToNext()) {
                                        /** _data：文件的绝对路径 ，_display_name：文件名 */
                                        strRecorderPath = cursor.getString(cursor.getColumnIndex("_data"));
                                        Toast.makeText(this, strRecorderPath, Toast.LENGTH_SHORT).show();
                                }
                        } 
                        break;
                }
        }
       
       

        /**
         * 照相功能
         */
        private void cameraMethod() {
                Intent imageCaptureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                strImgPath = Environment.getExternalStorageDirectory().toString() + "/CONSDCGMPIC/";//存放照片的文件夹
                String fileName = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()) + ".jpg";//照片命名
                File out = new File(strImgPath);
                if (!out.exists()) {
                        out.mkdirs();
                }
                out = new File(strImgPath, fileName);
                strImgPath = strImgPath + fileName;//该照片的绝对路径
                Uri uri = Uri.fromFile(out);
                imageCaptureIntent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
                imageCaptureIntent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
                startActivityForResult(imageCaptureIntent, RESULT_CAPTURE_IMAGE);

        }

        /**
         * 拍摄视频
         */
        private void videoMethod() {
                Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
                intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);
                startActivityForResult(intent, REQUEST_CODE_TAKE_VIDEO);
        }

        /**
         * 录音功能
         */
        private void soundRecorderMethod() {
                Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
                intent.setType("audio/amr");
                startActivityForResult(intent, RESULT_CAPTURE_RECORDER_SOUND);
        }

        /**
         * 提示信息
         * @param text
         * @param duration
         */
        private void showToast(String text, int duration) {
                Toast.makeText(ProblemReport.this, text, duration).show();
        }
}

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