Android初学者之拍照、录像、录音功能实现
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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