android 4.4以上项目的选择文件和从图库中选择图片

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/**  * 选择文件  */  private void selectFileFromLocal() {      Intent intent = null;      if (Build.VERSION.SDK_INT < 19) {          intent = new Intent(Intent.ACTION_GET_CONTENT);          intent.setType("*/*");          intent.addCategory(Intent.CATEGORY_OPENABLE);        } else {          intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);          intent.setType("*/*");      }      startActivityForResult(intent, REQUEST_CODE_SELECT_FILE);  }    /**  * 从图库获取图片  */  public void selectPicFromLocal() {      Intent intent;      if (Build.VERSION.SDK_INT < 19) {          intent = new Intent(Intent.ACTION_GET_CONTENT);          intent.setType("image/*");      } else {          intent = new Intent(                  Intent.ACTION_PICK,                  android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);      }      startActivityForResult(intent, REQUEST_CODE_LOCAL);  }  /**      * OS 4.4及以上的版本      */      private static final int BUILD_VERSION_KITKAT = 19;        /**      * 通过Uri获取对应的路径地址，兼容4.4、5.0      *      * @param context      * @param uri      * @return      */      public static String getPath(final Context context, final Uri uri) {            final boolean isKitKat = Build.VERSION.SDK_INT >= BUILD_VERSION_KITKAT;            // DocumentProvider          if (isKitKat && isDocumentUri(context, uri)) {              // ExternalStorageProvider              if (isExternalStorageDocument(uri)) {                  final String docId = getDocumentId(uri);                  final String[] split = docId.split(":");                  final String type = split[0];                    if ("primary".equalsIgnoreCase(type)) {                      return Environment.getExternalStorageDirectory() + "/" + split[1];                  }              }              // DownloadsProvider              else if (isDownloadsDocument(uri)) {                  final String id = getDocumentId(uri);                  final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),                          Long.valueOf(id));                  return getDataColumn(context, contentUri, null, null);              }              // MediaProvider              else if (isMediaDocument(uri)) {                  final String docId = getDocumentId(uri);                  final String[] split = docId.split(":");                  final String type = split[0];                    Uri contentUri = null;                  if ("image".equals(type)) {                      contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;                  } else if ("video".equals(type)) {                      contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;                  } else if ("audio".equals(type)) {                      contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;                  }                    final String selection = "_id=?";                  final String[] selectionArgs = new String[]{split[1]};                    return getDataColumn(context, contentUri, selection, selectionArgs);              }          }          // MediaStore (and general)          else if ("content".equalsIgnoreCase(uri.getScheme())) {                // Return the remote address              if (isGooglePhotosUri(uri))                  return uri.getLastPathSegment();                return getDataColumn(context, uri, null, null);          }          // File          else if ("file".equalsIgnoreCase(uri.getScheme())) {              return uri.getPath();          }            return null;      }if (requestCode == REQUEST_CODE_SELECT_FILE) { // 发送选择的文件                if (data != null) {                    Uri uri = data.getData();                    if (uri != null) {    }  }
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