掃描指定目錄下所有圖片文件
阿新 • • 發佈:2018-02-08
沒有 extern wpa gets 當前 indexof path resolv cti
String myparent=newPath.substring(0, newPath.lastIndexOf("/")).substring(newPath.substring(0, newPath.lastIndexOf("/")).lastIndexOf("/")+1); Uri mImageUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; ContentResolver mContentResolver =getContentResolver(); String[] projection= { MediaStore.Images.Media._ID, MediaStore.Images.Media.BUCKET_ID, MediaStore.Images.Media.BUCKET_DISPLAY_NAME, MediaStore.Images.Media.DISPLAY_NAME, MediaStore.Images.Media.DATA }; //只查詢jpeg的圖片 Cursor mCursor = mContentResolver.query(mImageUri, projection, MediaStore.Images.Media.BUCKET_DISPLAY_NAME+ "=? and (" + MediaStore.Images.Media.MIME_TYPE + "=? or " + MediaStore.Images.Media.MIME_TYPE + "=?)", new String[]{myparent, "image/jpeg", "image/png"},null); if (mCursor == null) { Toast.makeText(getBaseContext(), "請裝入SD卡, 或者圖庫沒有照片", Toast.LENGTH_SHORT).show(); } myimages.clear();while (mCursor.moveToNext()) { // 獲取的圖片的id int id = mCursor.getInt(mCursor.getColumnIndex(MediaStore.Images.Media._ID)); // 圖片所在當前目錄id int parentiD = mCursor.getInt(mCursor.getColumnIndex(MediaStore.Images.Media.BUCKET_ID)); // 圖片所在當前目錄名稱 String parentname = mCursor.getString(mCursor.getColumnIndex(MediaStore.Images.Media.BUCKET_DISPLAY_NAME)); // 圖片名稱 String imagename = mCursor.getString(mCursor.getColumnIndex(MediaStore.Images.Media.DISPLAY_NAME)); // 獲取圖片的路徑 String path = mCursor.getString(mCursor.getColumnIndex(MediaStore.Images.Media.DATA)); ImageInfo imageInfo=new ImageInfo(id, imagename, path, parentiD, parentname); imageInfo.setId(id); imageInfo.setParentID(parentiD); imageInfo.setParentName(parentname); imageInfo.setImageName(imagename); imageInfo.setPath(path); myimages.add(imageInfo); } mCursor.close();
掃描指定目錄下所有圖片文件