檢查位值應該很容易,但它不工作。在logcat中所示的二進制值字節檢查位不工作
這是工作,只是停止了......
//test is byte received
//test = 3F binary: 00111111
boolean b1,b2,b3,b4,b5,b6,b7,b8;
b1 = (test & 1) !=0;
b2 = (test & 2) !=0;
b3 = (test & 4) !=0;
b4 = (test & 8) !=0;
b5 = (test & 16) !=0;
b6 = (test & 32) !=0;
b7 = (test & 64) !=0;
b8 = (test & 128) !=0;
logcat的
11-06 10:58:58.455: D/Right panel(23660): 1 2 3 4 5 6 7 8
11-06 10:58:58.455: D/Right panel(23660): false false false false false false false false
11-06 10:58:58.455: D/Right panel(23660): Data from handler: 003F binary1: 00111111
的是什麼樣的logcat應該說明了什麼? – m0skit0 2014-11-06 09:09:36
1.什麼是測試值? 2.移位應該是0,1,2 ......位掩碼應該是1,2,4,8 ......不要把它們弄髒。 – 2014-11-06 09:11:46
測試是字節(二進制00111111)。 – Martynas 2014-11-06 09:19:02