Public Class Form1
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Dim terrain As Bitmap(500, 500)
terrain = New Bitmap(500, 500)
terrain.GetPixel(2
我正在測試sdk示例的Fingerpaint演示。當然，它的工作原理非常完美，但我猜測，有沒有辦法讓它只能在屏幕的一半上工作，所以我可以把按鈕或圖像放在另一半上？如果這是不可能的，我會把圖像作爲背景，但我正在尋找其他解決方案。 public class MainActivity extends Activity {
DrawingView dv ;
private Paint mPaint;
我想檢測黑色物體下方的整個區域。 我已經成功地得到下面的黑色物體的矩形區域，像這樣 Point leftPoint = new Point(0,yValueBlack); //far left, black object height
Point rightPoint = new Point(sourceBitmap.getWidth(),sourceBitmap.getHeight()
ContentResolver contentResolver1 = getActivity().getContentResolver();
Uri uri1 = MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI;
String[] projection1 = new String[]{MediaStore.Audio.Albums._ID, Media