CameraActivityAndroid.java

package br.inpe.mobile.photo;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import br.inpe.mobile.Utility;

public class CameraActivity extends Activity {
        public static final int  MEDIA_TYPE_IMAGE                    = 1;
        public static final int  MEDIA_TYPE_VIDEO                    = 2;
        
        private static final int CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE = 100;
        private Uri              fileUri;
        
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                
                // create Intent to take a picture and return control to the calling application
                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                
                fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE); // create a file to save the image
                intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri); // set the image file name
                
                // start the image capture Intent
                startActivityForResult(intent, CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE);
        }
        
        /** Create a file Uri for saving an image or video */
        private static Uri getOutputMediaFileUri(int type) {
                return Uri.fromFile(getOutputMediaFile(type));
        }
        
        /** Create a File for saving an image or video */
        private static File getOutputMediaFile(int type) {
                // To be safe, you should check that the SDCard is mounted
                // using Environment.getExternalStorageState() before doing this.
                
                File mediaStorageDir = new File(Utility.getExternalSdCardPath() + "/inpe/" + "/dados" + "/fotos/");
                // This location works best if you want the created images to be shared
                // between applications and persist after your app has been uninstalled.
                
                // Create the storage directory if it does not exist
                if (!mediaStorageDir.exists()) {
                        if (!mediaStorageDir.mkdirs()) {
                                Log.d("MyCameraApp", "failed to create directory");
                                return null;
                        }
                }
                
                // Create a media file name
                String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
                File mediaFile;
                if (type == MEDIA_TYPE_IMAGE) {
                        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_" + timeStamp + ".jpg");
                }
                else if (type == MEDIA_TYPE_VIDEO) {
                        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "VID_" + timeStamp + ".mp4");
                }
                else {
                        return null;
                }
                
                return mediaFile;
        }
        
}