after installing module node_modules\react-native-draggable-gridview\src\index.tsx please change this charactor of this module for this project. : line 442 height: self.cellSize, => height: 16, : line 497 height: top + self.numRows * self.cellSize + bottom, => height: top + self.numRows * 18 + bottom, : line 138 const y = Math.floor(i / numColumns) * cellSize => const y = Math.floor(i / numColumns) * 18 : line 268 const s = cellSize / 2 => const s = 18 / 2 : line 184 const max = cellSize * numRows - frame.height + top + bottom => const max = 18 * numRows - frame.height + top + bottom : line 335 let row = Math.floor((y + cellSize / 2) / cellSize) => let row = Math.floor((y + 18 / 2) / 18)