Android拍照、录像、录音代码范例

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  1 package com.cons.dcg.collect;

  2 

  3 import java.io.File;

  4 import java.text.SimpleDateFormat;

  5 import java.util.*;

  6 import android.app.*;

  7 import android.content.Intent;

  8 import android.database.Cursor;

  9 import android.net.Uri;

 10 import android.os.AsyncTask;

 11 import android.os.Bundle;

 12 import android.os.Environment;

 13 import android.provider.MediaStore;

 14 import android.view.*;

 15 import android.widget.*;

 16 

 17 public class RecordActivity extends Activity implements OnClickListener {

 18 

 19         private static final int RESULT_CAPTURE_IMAGE = 1;// 照相的requestCode

 20         private static final int REQUEST_CODE_TAKE_VIDEO = 2;// 摄像的照相的requestCode

 21         private static final int RESULT_CAPTURE_RECORDER_SOUND = 3;// 录音的requestCode

 22        

 23         private String strImgPath = "";// 照片文件绝对路径

 24         private String strVideoPath = "";// 视频文件的绝对路径

 25         private String strRecorderPath = "";// 录音文件的绝对路径

 26 

 27         @Override

 28         protected void onCreate(Bundle savedInstanceState) {

 29                 super.onCreate(savedInstanceState);

 30                 this.setContentView(R.layout.problem_report);

 31         }

 32 

 33         @Override

 34         protected void onActivityResult(int requestCode, int resultCode, Intent data) {

 35                 super.onActivityResult(requestCode, resultCode, data);

 36                 switch (requestCode) {

 37                 case RESULT_CAPTURE_IMAGE://拍照

 38                         if (resultCode == RESULT_OK) {

 39                                 Toast.makeText(this, strImgPath, Toast.LENGTH_SHORT).show();

 40                         }

 41                         break;

 42                 case REQUEST_CODE_TAKE_VIDEO://拍摄视频

 43                         if (resultCode == RESULT_OK) {

 44                                 Uri uriVideo = data.getData();

 45                                 Cursor cursor=this.getContentResolver().query(uriVideo, null, null, null, null);

 46                                 if (cursor.moveToNext()) {

 47                                         /** _data：文件的绝对路径 ，_display_name：文件名 */

 48                                         strVideoPath = cursor.getString(cursor.getColumnIndex("_data"));

 49                                         Toast.makeText(this, strVideoPath, Toast.LENGTH_SHORT).show();

 50                                 }

 51                         }

 52                         break;

 53                 case RESULT_CAPTURE_RECORDER_SOUND://录音

 54                         if (resultCode == RESULT_OK) {

 55                                 Uri uriRecorder = data.getData();

 56                                 Cursor cursor=this.getContentResolver().query(uriRecorder, null, null, null, null);

 57                                 if (cursor.moveToNext()) {

 58                                         /** _data：文件的绝对路径 ，_display_name：文件名 */

 59                                         strRecorderPath = cursor.getString(cursor.getColumnIndex("_data"));

 60                                         Toast.makeText(this, strRecorderPath, Toast.LENGTH_SHORT).show();

 61                                 }

 62                         } 

 63                         break;

 64                 }

 65         }

 66        

 67        

 68 

 69         /**

 70          * 照相功能

 71          */

 72         private void cameraMethod() {

 73                 Intent imageCaptureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

 74                 strImgPath = Environment.getExternalStorageDirectory().toString() + "/CONSDCGMPIC/";//存放照片的文件夹

 75                 String fileName = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()) + ".jpg";//照片命名

 76                 File out = new File(strImgPath);

 77                 if (!out.exists()) {

 78                         out.mkdirs();

 79                 }

 80                 out = new File(strImgPath, fileName);

 81                 strImgPath = strImgPath + fileName;//该照片的绝对路径

 82                 Uri uri = Uri.fromFile(out);

 83                 imageCaptureIntent.putExtra(MediaStore.EXTRA_OUTPUT, uri);

 84                 imageCaptureIntent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);

 85                 startActivityForResult(imageCaptureIntent, RESULT_CAPTURE_IMAGE);

 86 

 87         }

 88 

 89         /**

 90          * 拍摄视频

 91          */

 92         private void videoMethod() {

 93                 Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);

 94                 intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);

 95                 startActivityForResult(intent, REQUEST_CODE_TAKE_VIDEO);

 96         }

 97 

 98         /**

 99          * 录音功能

100          */

101         private void soundRecorderMethod() {

102                 Intent intent = new Intent(Intent.ACTION_GET_CONTENT);

103                 intent.setType("audio/amr");

104                 startActivityForResult(intent, RESULT_CAPTURE_RECORDER_SOUND);

105         }

106 

107         /**

108          * 提示信息

109          * @param text

110          * @param duration

111          */

112         private void showToast(String text, int duration) {

113                 Toast.makeText(ProblemReport.this, text, duration).show();

114         }

115 }