Android开发实现的Intent跳转工具类实例

/** * 进行页面跳转的工具 * * @author chen.lin * */public class IntentUtil {  private static final String IMAGE_TYPE = "image/*";  private static final String TAG = "IntentUtil";  /**   * 进行页面跳转   *   * @param clzz   */  public static void showIntent(Activity context, Class<?> clzz, String[] keys, String[] values) {    Intent intent = new Intent(context, clzz);    if (values != null && values.length > 0) {      for (int i = 0; i < values.length; i++) {        if (!TextUtils.isEmpty(keys[i]) && !TextUtils.isEmpty(values[i])) {          intent.putExtra(keys[i], values[i]);        }      }    }    context.startActivity(intent);  }  public static void showIntent(Activity context, Class<?> clzz) {    showIntent(context, clzz, null, null);  }  /**   * 打电话   *   * @param intent   * @param context   * @param tel   */  public static void openCall(Context context, String tel) {    tel = tel.replaceAll("-", "");    Intent intent = new Intent();    // 激活源代码,添加intent对象    intent.setAction("android.intent.action.CALL");    intent.setData(Uri.parse("tel:" + tel));    intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);    context.startActivity(intent);  }  /***   * 从相册中取图片   */  public static void pickPhoto(Activity context, int requestCode) {    Intent intent = new Intent();    intent.setType("image/*");    intent.setAction(Intent.ACTION_GET_CONTENT);    context.startActivityForResult(intent, requestCode);  }  /**   * 拍照获取图片   */  public static void takePhoto(Activity context, int requestCode, Uri cameraUri) {    // 执行拍照前，应该先判断SD卡是否存在    String SDState = Environment.getExternalStorageState();    if (SDState.equals(Environment.MEDIA_MOUNTED)) {      Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);// "android.media.action.IMAGE_CAPTURE"      Logger.i(TAG, "cameraUri.path------>" + cameraUri.getPath());      intent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, cameraUri);      context.startActivityForResult(intent, requestCode);    } else {      Toast.makeText(context, "内存卡不存在", Toast.LENGTH_LONG).show();    }  }  /**   * 拍照   *   * @param context   * @param uri   */  public static void takePhoto(Activity context, Uri uri, int requestCode) {    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {      Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");      ContentValues values = new ContentValues();      values.put(MediaStore.Images.Media.DISPLAY_NAME, String.valueOf(System.currentTimeMillis()) + ".jpg");      values.put(MediaStore.Images.Media.MIME_TYPE, "image/*");      uri = context.getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);      // intent.putExtra(MediaStore.Images.Media.ORIENTATION, 0);      intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);      context.startActivityForResult(intent, requestCode);    } else {      Toast.makeText(context, "内存卡不存在", Toast.LENGTH_LONG).show();    }  }  /**   * 本地照片调用   *   * @param context   * @param requestCode   */  public void openPhotos(Activity context, int requestCode) {    if (openPhotosNormal(context, requestCode) //        && openPhotosBrowser(context, requestCode) //        && openPhotosFinally(context))      ;  }  /**   * 这个是找不到相关的图片浏览器,或者相册   */  private boolean openPhotosFinally(Activity context) {    Toast.makeText(context, "您的系统没有文件浏览器或则相册支持,请安装！", Toast.LENGTH_LONG).show();    return false;  }  /**   * 获取从本地图库返回来的时候的URI解析出来的文件路径   *   * @return   */  public static String getPhotoPathByLocalUri(Context context, Intent data) {    Uri photoUri = data.getData();    String[] filePathColumn = { MediaStore.Images.Media.DATA };    Cursor cursor = context.getContentResolver().query(photoUri, filePathColumn, null, null, null);    cursor.moveToFirst();    int columnIndex = cursor.getColumnIndex(filePathColumn[0]);    String picturePath = cursor.getString(columnIndex);    cursor.close();    return picturePath;  }  /**   * PopupMenu打开本地相册.   */  private boolean openPhotosNormal(Activity activity, int actResultCode) {    Intent intent = new Intent(Intent.ACTION_PICK, null);    intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_TYPE);    try {      activity.startActivityForResult(intent, actResultCode);    } catch (android.content.ActivityNotFoundException e) {      return true;    }    return false;  }  /**   * 打开其他的一文件浏览器,如果没有本地相册的话   */  private boolean openPhotosBrowser(Activity activity, int requestCode) {    Toast.makeText(activity, "没有相册软件，运行文件浏览器", Toast.LENGTH_LONG).show();    Intent intent = new Intent(Intent.ACTION_GET_CONTENT); // "android.intent.action.GET_CONTENT"    intent.setType(IMAGE_TYPE); // 查看类型 String IMAGE_UNSPECIFIED =                  // "image/*";    Intent wrapperIntent = Intent.createChooser(intent, null);    try {      activity.startActivityForResult(wrapperIntent, requestCode);    } catch (android.content.ActivityNotFoundException e1) {      return true;    }    return false;  }  /**   * 打开照相机   *   * @param activity   *      当前的activity   * @param requestCode   *      拍照成功时activity forResult 的时候的requestCode   * @param photoFile   *      拍照完毕时,图片保存的位置   */  @SuppressLint("SimpleDateFormat")  public static Uri openCamera(Activity context, int requestCode) {    // 执行拍照前，应该先判断SD卡是否存在    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {      Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);      SimpleDateFormat timeStampFormat = new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss");      String filename = timeStampFormat.format(new Date());      ContentValues values = new ContentValues();      values.put(MediaStore.Images.Media.TITLE, filename);      Uri photoUri = context.getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);      intent.putExtra(MediaStore.EXTRA_OUTPUT, photoUri);      context.startActivityForResult(intent, requestCode);      return photoUri;    } else {      Toast.makeText(context, "内存卡不存在", Toast.LENGTH_LONG).show();    }    return null;  }  /**   * 选择图片后，获取图片的路径   *   * @param requestCode   * @param data   */  public static void doPhoto(Activity context, Intent data, int requestCode, int value, EditText editText,      ImageView imageView, Uri photoUri) {    // 从相册取图片，有些手机有异常情况，请注意    if (requestCode == value) {      if (data == null) {        Toast.makeText(context, "选择图片文件出错", Toast.LENGTH_LONG).show();        return;      }      photoUri = data.getData();      if (photoUri == null) {        Toast.makeText(context, "选择图片文件出错", Toast.LENGTH_LONG).show();        return;      }    }    String[] pojo = { MediaStore.Images.Media.DATA, MediaStore.Images.Media.DISPLAY_NAME };    ContentResolver resolver = context.getContentResolver();    Cursor cursor = resolver.query(photoUri, pojo, null, null, null);    String picPath = null;    String filename = null;    if (cursor != null) {      int columnIndex = cursor.getColumnIndexOrThrow(pojo[0]);      cursor.moveToFirst();      picPath = cursor.getString(columnIndex);      filename = cursor.getString(cursor.getColumnIndexOrThrow(pojo[1]));      editText.requestFocus();      editText.setText(filename);      cursor.close();    }    String dix = filename.substring(filename.lastIndexOf("."), filename.length());    if (filename != null        && (dix.equalsIgnoreCase(".png") || dix.equalsIgnoreCase(".jpg") || dix.equalsIgnoreCase(".gif")            || dix.equalsIgnoreCase(".bmp") || dix.equalsIgnoreCase(".jpeg") || dix              .equalsIgnoreCase(".tiff"))) {      // lastIntent.putExtra(KEY_PHOTO_PATH, picPath);      imageView.setVisibility(View.VISIBLE);      imageView.setImageURI(Uri.parse(picPath));    } else {      imageView.setVisibility(View.GONE);      Toast.makeText(context, "选择图片文件不正确", Toast.LENGTH_LONG).show();    }  }  /**   * FLAG_ACTIVITY_SINGLE_TOP   * //当于加载模式中的singletop,在当前中的activity中转到当前activity，不增加新的   *   * @param file   */  public static void openFile(Context context, File file) {    Intent intent = new Intent();    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);// 默认的跳转类型,它会重新创建一个新的Activity    intent.setAction(android.content.Intent.ACTION_VIEW);    // 调用getMIMEType()来取得MimeType    String type = FileUtil.getMIMEType(file);    // 设置intent的file与MimeType    intent.setDataAndType(Uri.fromFile(file), type);    context.startActivity(intent);  }  /**   * 截取图片   *   * @param uri   * @param outputX   * @param outputY   * @param requestCode   */  public static void cropImage(Activity context, Uri uri, int outputX, int outputY, int requestCode) {    // 裁剪图片意图    Intent intent = new Intent("com.android.camera.action.CROP");    intent.setDataAndType(uri, "image/*");    intent.putExtra("crop", "true");    // 裁剪框的比例，1：1    intent.putExtra("aspectX", 1);    intent.putExtra("aspectY", 1);    // 裁剪后输出图片的尺寸大小    intent.putExtra("outputX", outputX);    intent.putExtra("outputY", outputY);    // 图片格式    intent.putExtra("outputFormat", "JPEG");    intent.putExtra("noFaceDetection", true);    intent.putExtra("return-data", true);    context.startActivityForResult(intent, requestCode);  }  /**   * 获取图片的旋转角度   *   * @param path   * @return   */  public static int readPictureDegree(String path) {    int degree = 0;    try {      ExifInterface exifInterface = new ExifInterface(path);      int orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION,          ExifInterface.ORIENTATION_NORMAL);      switch (orientation) {      case ExifInterface.ORIENTATION_ROTATE_90:        degree = 90;        break;      case ExifInterface.ORIENTATION_ROTATE_180:        degree = 180;        break;      case ExifInterface.ORIENTATION_ROTATE_270:        degree = 270;        break;      }    } catch (IOException e) {      e.printStackTrace();    }    return degree;  }  /**   * 保存文件   *   * @param context   * @param data   * @param requestCode   * @param imageView   */  public static void saveImage(Activity context, Intent data, int requestCode, ImageView imageView) {    Bitmap photo = null;    Uri photoUri = data.getData();    cropImage(context, photoUri, 500, 500, requestCode);    if (photoUri != null) {      photo = BitmapFactory.decodeFile(photoUri.getPath());    }    if (photo == null) {      Bundle extra = data.getExtras();      if (extra != null) {        photo = (Bitmap) extra.get("data");        ByteArrayOutputStream stream = new ByteArrayOutputStream();        photo.compress(Bitmap.CompressFormat.JPEG, 100, stream);      }    }    imageView.setImageBitmap(photo);  }  /**   * 保存照相后的图片   *   * @param context   * @param requestCode   * @param spath   * @return   */  public static boolean saveCamera(Activity context, Intent data, Uri cameraUri, EditText editText,      ImageView imageView) {    try {      final Bundle extras = data.getExtras();      if (extras != null) {        Bitmap photo = extras.getParcelable("data");        imageView.setImageBitmap(photo);      }      if (cameraUri != null) {        String path = cameraUri.getPath();        Logger.i(TAG, "path-->" + path);        String filename = path.substring(path.lastIndexOf("/") + 1, path.length());        editText.setText(filename);      }    } catch (Exception e) {      e.printStackTrace();      return false;    }    return true;  }}