gistfile1.java

    /**
     * 画像のディレクトリパスを取得する
     * 
     * @return
     */
    private String getDirPath() {
        String dirPath = "";
        File photoDir = null;
        File extStorageDir = Environment.getExternalStorageDirectory();
        if (extStorageDir.canWrite()) {
            photoDir = new File(extStorageDir.getPath() + "/" + getPackageName());
        }
        if (photoDir != null) {
            if (!photoDir.exists()) {
                photoDir.mkdirs();
            }
            if (photoDir.canWrite()) {
                dirPath = photoDir.getPath();
            }
        }
        return dirPath;
    }

    /**
     * 画像のUriを取得する
     * 
     * @return
     */
    private Uri getPhotoUri() {
        long currentTimeMillis = System.currentTimeMillis();
        Date today = new Date(currentTimeMillis);
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd_HHmmss");
        String title = dateFormat.format(today);
        String dirPath = getDirPath();
        String fileName = "samplecameraintent_" + title + ".jpg";
        String path = dirPath + "/" + fileName;
        File file = new File(path);
        ContentValues values = new ContentValues();
        values.put(Images.Media.TITLE, title);
        values.put(Images.Media.DISPLAY_NAME, fileName);
        values.put(Images.Media.MIME_TYPE, "image/jpeg");
        values.put(Images.Media.DATA, path);
        values.put(Images.Media.DATE_TAKEN, currentTimeMillis);
        if (file.exists()) {
            values.put(Images.Media.SIZE, file.length());
        }
        Uri uri = getContentResolver().insert(Images.Media.EXTERNAL_CONTENT_URI, values);
        return uri;
    }