Android实现拍照、录像、录音代码范例

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();
    }
}