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沐宇首页 互联网技术知识问答 android gridview鎬庝箞鍗曠嫭鏇存柊鏌愪釜鏁版嵁

android gridview鎬庝箞鍗曠嫭鏇存柊鏌愪釜鏁版嵁

扬州沐宇科技
2024-01-27 11:33:05
android, gridview

瑕佸崟鐙洿鏂癎ridView涓殑鏌愪釜鏁版嵁锛屽彲浠ラ€氳繃鑾峰彇GridView鐨勯€傞厤鍣?Adapter)鏉ュ疄鐜般€傞鍏堬紝浣犻渶瑕侀€氳繃閫傞厤鍣ㄧ殑getItem鏂规硶鑾峰彇鎸囧畾浣嶇疆鐨勬暟鎹紝鐒跺悗淇敼鏁版嵁锛屾渶鍚庤皟鐢ㄩ€傞厤鍣ㄧ殑notifyDataSetChanged鏂规硶鏉ユ洿鏂癎ridView銆?/p>

浠ヤ笅鏄竴涓ず渚嬩唬鐮侊細

// 鑾峰彇閫傞厤鍣?/span>
MyAdapter adapter = (MyAdapter) gridView.getAdapter();

// 鑾峰彇鎸囧畾浣嶇疆鐨勬暟鎹?/span>
MyData data = (MyData) adapter.getItem(position);

// 淇敼鏁版嵁
data.setName("New Name");
data.setAge(25);

// 鏇存柊GridView
adapter.notifyDataSetChanged();

璇锋敞鎰忥紝杩欓噷鐨凪yAdapter鍜孧yData鍒嗗埆鏄綘鑷畾涔夌殑閫傞厤鍣ㄥ拰鏁版嵁绫伙紝浣犻渶瑕佹牴鎹嚜宸辩殑瀹為檯鎯呭喌杩涜淇敼銆?/p>

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