拍照上传、相册获取逻辑实现

来源：互联网发布：关于51单片机与esp8266 编辑：程序博客网时间：2024/06/05 14:35
最近项目中用到的，做个笔记备份一下，so，请往下看~
相册及拍照上传部分
    /**     * @Description 打开系统相册     * @param null     * @return void     * @throws     */    private void album2Photo() {        Intent intent = new Intent();        intent.setType("image/*");        intent.setAction(Intent.ACTION_GET_CONTENT);        startActivityForResult(intent, SYS_INTENT_REQUEST);    }    /**     * @Description 调用相机拍照     * @param null     * @return void     * @throws     */    private void camera2Photo() {        String sdStatus = Environment.getExternalStorageState();        /* 检测sd是否可用 */        if (!sdStatus.equals(Environment.MEDIA_MOUNTED)) {            ToolUtils.showToast("SD卡不可用！");            return;        }        Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");        startActivityForResult(intent, CAMERA_INTENT_REQUEST);    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        if (requestCode == SYS_INTENT_REQUEST && resultCode == RESULT_OK                && data != null) {            try {                Uri uri = data.getData();                Cursor cursor = getContentResolver().query(uri, null, null,                        null, null);                cursor.moveToFirst();                String imageFilePath = cursor.getString(1);                Log.i("yzh","File path is----->" + imageFilePath);                FileInputStream fis = new FileInputStream(imageFilePath);                bitmap = BitmapFactory.decodeStream(fis);                int width = bitmap.getWidth();                int height = bitmap.getHeight();                Log.i("yzh","压缩前的宽高----> width: " + width + " height:"                        + height);                /* 压缩获取的图像 */                account_headshot_img.setImageBitmap(compressBigBitmap(bitmap, false));                fis.close();                cursor.close();            } catch (FileNotFoundException e) {                e.printStackTrace();            } catch (IOException e) {                e.printStackTrace();            }        } else if (requestCode == CAMERA_INTENT_REQUEST                && resultCode == RESULT_OK && data != null) {            getPhoto4Camera(data);        }        super.onActivityResult(requestCode, resultCode, data);    }    /**     * @Description 获取压缩后的bitmap,避免图片过大     * @param Bitmap;boolean     * @return Bitmap     * @throws     */    private Bitmap compressBigBitmap(Bitmap bitmap, boolean isCamera) {        Bitmap destBitmap = null;        /* 图片宽度调整为100，大于这个比例的，按一定比例缩放到宽度为100 */        if (bitmap.getWidth() > 80) {            float scaleValue = (float) (80f / bitmap.getWidth());            Log.i("yzh", "缩放比例："+scaleValue);            Matrix matrix = new Matrix();            /* 针对系统拍照，旋转90° 避免横屏*/            if (isCamera){                //matrix.setRotate(90);            }            matrix.postScale(scaleValue, scaleValue);            destBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(),                    bitmap.getHeight(), matrix, true);            int widthTemp = destBitmap.getWidth();            int heightTemp = destBitmap.getHeight();            Log.i("yzh", "压缩后的宽高----> width: " + heightTemp                    + " height:" + widthTemp);        } else {            return bitmap;        }        return destBitmap;    }    /**     * @Description 拍照后获取照片     * @param Intent     * @return void     * @throws     */    private void getPhoto4Camera(Intent data) {        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmssSSS");        String name = formatter.format(System.currentTimeMillis()) + ".jpg";        Log.i("yzh", "image name:" + name);        Bundle bundle = data.getExtras();        /* 获取相机返回的数据，并转换为Bitmap图片格式 */        Bitmap bitmap = (Bitmap) bundle.get("data");        FileOutputStream fileOut = null;        String path = Environment.getExternalStorageDirectory().getPath();        File file = new File(path + "/SCZW/");        /** 检测文件夹是否存在，不存在则创建文件夹 **/        if (!file.exists() && !file.isDirectory())            file.mkdirs();        String fileName = file.getPath() + "/" + name;        Log.i("yzh", "camera file path:" + fileName);        try {            fileOut = new FileOutputStream(fileName);            /* 把数据写入文件 */            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fileOut);        } catch (FileNotFoundException e) {            e.printStackTrace();        } finally {            try {                if (fileOut == null)                    return;                fileOut.flush();                fileOut.close();            } catch (IOException e) {                e.printStackTrace();            }        }        account_headshot_img.setImageBitmap(compressBigBitmap(bitmap, true));    }
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