Android如何调用系统相机拍照

本文实例为大家分享了Android调用系统相机拍照的具体代码，供大家参考，具体内容如下

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/**
   * 调用系统相机
   */
  private void takePhoto() {
    Uri uri = null;
    if (which_image == FRONT_IMAGE) {
      frontFile = new File(getSDPath() +"/test/front_" + getDate() + ".jpg");
      uri = Uri.fromFile(frontFile);
    } else if (which_image == BACK_IMAGE) {
      backFile = new File(getSDPath() + "/test/back_" + getDate() + ".jpg");
      uri = Uri.fromFile(backFile);
    }
    Intent captureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    captureIntent.putExtra(MediaStore.Images.Media.ORIENTATION, 0);
    captureIntent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
    captureIntent.putExtra("return-data", true);
    startActivityForResult(captureIntent, TAKE_PHOTO);
  }

  /**
   * 获取系统时间
   *
   * @return
   */
  public static String getDate() {
    Calendar ca = Calendar.getInstance();
    int year = ca.get(Calendar.YEAR);      // 获取年份
    int month = ca.get(Calendar.MONTH);     // 获取月份
    int day = ca.get(Calendar.DATE);      // 获取日
    int minute = ca.get(Calendar.MINUTE);    // 分
    int hour = ca.get(Calendar.HOUR);      // 小时
    int second = ca.get(Calendar.SECOND);    // 秒

    String date = "" + year + (month + 1) + day + hour + minute + second;

    return date;
  }

  /**
   * 获取SD path
   *
   * @return
   */
  public String getSDPath() {
    File sdDir = null;
    boolean sdCardExist = Environment.getExternalStorageState()
        .equals(android.os.Environment.MEDIA_MOUNTED); // 判断sd卡是否存在
    if (sdCardExist) {
      sdDir = Environment.getExternalStorageDirectory();// 获取跟目录
      return sdDir.toString();
    }

    return null;
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == TAKE_PHOTO && resultCode == RESULT_OK) {
//      Bundle bundle = data.getExtras();
//      Bitmap bitmap = (Bitmap) bundle.get("data");
//      if (which_image == FRONT_IMAGE) {
//        ivCardFront.setImageBitmap(bitmap);
//      } else if (which_image == BACK_IMAGE) {
//        ivCardBack.setImageBitmap(bitmap);
//      }
      try {
        if (which_image == FRONT_IMAGE) {

          Uri uri = Uri.parse(MediaStore.Images.Media.insertImage(getContentResolver(), frontFile.getAbsolutePath(), null, null));
          ContentResolver contentResolver = this.getContentResolver();
          Bitmap bitmap = BitmapFactory.decodeStream(contentResolver.openInputStream(uri));
          ivCardFront.setImageBitmap(bitmap);
        } else if (which_image == BACK_IMAGE) {
          Uri uri = Uri.parse(MediaStore.Images.Media.insertImage(getContentResolver(), backFile.getAbsolutePath(), null, null));
          ContentResolver contentResolver = this.getContentResolver();
          Bitmap bitmap = BitmapFactory.decodeStream(contentResolver.openInputStream(uri));
          ivCardBack.setImageBitmap(bitmap);
        }
      } catch (FileNotFoundException e) {
        e.printStackTrace();
      }
    }
  }

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。

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Android如何调用系统相机拍照

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