Bitmap CreateBitmap(string path) { BitmapFactory.Options options = new BitmapFactory.Options { //options.InJustDecodeBounds = true; // 先获取原大小 //return BitmapFactory.DecodeFile(path, options); InJustDecodeBounds = false // 获取新的大小 }; int sampleSize = (int)(options.OutHeight / (float)200); if (sampleSize <= 0) { sampleSize = 1; } options.InSampleSize = sampleSize; return(BitmapFactory.DecodeFile(path, options)); }