一、path转file
File file = new File(path);
二、path转uri
Uri uri = Uri.parse(path);
三、uri转path
/** * 将URI路径转化为path路径 */ public static String getRealPathFromURI(Context context,Uri contentURI) { String result; Cursor cursor = null; try { cursor = context.getContentResolver().query(contentURI, null, null, null, null); } catch (Throwable e) { e.printStackTrace(); } if (cursor == null) { result = contentURI.getPath(); } else { cursor.moveToFirst(); int idx = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA); result = cursor.getString(idx); cursor.close(); } return result; }
四、uri转file
File file = null; //图片地址 try { file = new File(new URI(uri.toString())); } catch (URISyntaxException e) { e.printStackTrace(); }
五、file转uri
private static Uri getUriForFile(Context context, File file) { if (context == null || file == null) { throw new NullPointerException(); } Uri uri; if (Build.VERSION.SDK_INT >= 24) { uri = FileProvider.getUriForFile(context.getApplicationContext(), context.getPackageName()+".fileProvider", file); } else { uri = Uri.fromFile(file); } return uri; }
六、file转path
String path = file.getPath()
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