无鸯 Android拍照、录像、录音代码范例 http://www.oschina.net/code/snippet_163910

本文介绍了一个Android平台上的多媒体采集应用，该应用支持通过摄像头拍照、录制视频及录音，并详细展示了如何处理这些多媒体文件。

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packagecom.cons.dcg.collect;
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003
import 
java.io.File;

004
import 
java.text.SimpleDateFormat;

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import 
java.util.*;

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import 
android.app.*;

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import 
android.content.Intent;

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import 
android.database.Cursor;

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import 
android.net.Uri;

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import 
android.os.AsyncTask;

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import 
android.os.Bundle;

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import 
android.os.Environment;

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import 
android.provider.MediaStore;

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import 
android.view.*;

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import 
android.widget.*;

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public 
class RecordActivity extends
Activity implements
OnClickListener {

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

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

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

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

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

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

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@Override

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protected
void onCreate(Bundle savedInstanceState) {

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super.onCreate(savedInstanceState);

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this.setContentView(R.layout.problem_report);

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}

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@Override

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

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super.onActivityResult(requestCode, resultCode, data);

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switch
(requestCode) {

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case
RESULT_CAPTURE_IMAGE://拍照

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if
(resultCode == RESULT_OK) {

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

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}

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break;

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case
REQUEST_CODE_TAKE_VIDEO://拍摄视频

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if
(resultCode == RESULT_OK) {

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Uri uriVideo = data.getData();

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

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if
(cursor.moveToNext()) {

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

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

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

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}

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}

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break;

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case
RESULT_CAPTURE_RECORDER_SOUND://录音

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if
(resultCode == RESULT_OK) {

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Uri uriRecorder = data.getData();

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

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if
(cursor.moveToNext()) {

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

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

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

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}

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}


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break;

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}

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}

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/**

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* 照相功能

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*/

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private
void cameraMethod() {

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Intent imageCaptureIntent =
new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

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

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

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File out =
new File(strImgPath);

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if
(!out.exists()) {

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out.mkdirs();

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}

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out =
new File(strImgPath, fileName);

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

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Uri uri = Uri.fromFile(out);

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imageCaptureIntent.putExtra(MediaStore.EXTRA_OUTPUT, uri);

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imageCaptureIntent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY,
1);

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startActivityForResult(imageCaptureIntent, RESULT_CAPTURE_IMAGE);

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}

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/**

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* 拍摄视频

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*/

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private
void videoMethod() {

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Intent intent =
new Intent(MediaStore.ACTION_VIDEO_CAPTURE);

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intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY,
0);

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startActivityForResult(intent, REQUEST_CODE_TAKE_VIDEO);

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}

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/**

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* 录音功能

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*/

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private
void soundRecorderMethod() {

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Intent intent =
new Intent(Intent.ACTION_GET_CONTENT);

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intent.setType("audio/amr");

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startActivityForResult(intent, RESULT_CAPTURE_RECORDER_SOUND);

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}

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/**

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* 提示信息

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* @param text

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* @param duration

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*/

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private
void showToast(String text,
int duration) {

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

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}
115}