ios的開發現在在螢幕的適配上比較麻煩，下面就來了解下各個iphone的螢幕大小，獲取螢幕大小和狀態列的**如下：
//整個螢幕的大小
cgrect rc = [[uiscreen mainscreen] bounds];
nslog(@"bounds x = %f, y = %f, width = %f, height = %f", rc.origin.x, rc.origin.y, rc.size.width, rc.size.height);
//可用區域的大小
//狀態列的大小
nslog(@"statusbarframe x = %f, y = %f, width = %f, height = %f", barrc.origin.x, barrc.origin.y, barrc.size.width, barrc.size.height);
iphone 4s 320x480 3.5『
2016-04-22 10:25:56.437 bounds x = 0.000000, y = 0.000000, width = 320.000000, height = 480.000000
2016-04-22 10:25:56.438 statusbarframe x = 0.000000, y = 0.000000, width = 320.000000, height = 20.000000
2016-04-22 10:43:18.905 bounds x = 0.000000, y = 0.000000, width = 320.000000, height = 568.000000
2016-04-22 10:43:18.906 statusbarframe x = 0.000000, y = 0.000000, width = 320.000000, height = 20.000000
2016-04-22 10:45:06.661 bounds x = 0.000000, y = 0.000000, width = 320.000000, height = 568.000000
2016-04-22 10:45:06.662 statusbarframe x = 0.000000, y = 0.000000, width = 320.000000, height = 20.000000
2016-04-22 10:47:22.315 bounds x = 0.000000, y = 0.000000, width = 375.000000, height = 667.000000
2016-04-22 10:47:22.316 statusbarframe x = 0.000000, y = 0.000000, width = 375.000000, height = 20.000000
2016-04-22 10:48:46.672 bounds x = 0.000000, y = 0.000000, width = 414.000000, height = 736.000000
2016-04-22 10:48:46.673 statusbarframe x = 0.000000, y = 0.000000, width = 414.000000, height = 20.000000
2016-04-22 10:50:55.777 bounds x = 0.000000, y = 0.000000, width = 375.000000, height = 667.000000
2016-04-22 10:50:55.778 statusbarframe x = 0.000000, y = 0.000000, width = 375.000000, height = 20.000000
2016-04-22 10:52:15.132 bounds x = 0.000000, y = 0.000000, width = 414.000000, height = 736.000000
2016-04-22 10:52:15.133 statusbarframe x = 0.000000, y = 0.000000, width = 414.000000, height = 20.000000
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