android– 类型新的AdapterView.OnItemClickListener(){}必须实现继承的抽象方法AdapterView.OnItemClickListener)

概述新的AdapterView.OnItemClickListener(){}类型必须实现继承的抽象方法AdapterView.OnItemClickListener.onItemClick(AdapterView,View,int,long)为什么我在尝试构建教程时收到此消息packageFedail.Hello.Layout;importandroid.app.Activity;importandroid.os.Bundle;imp

新的AdapterVIEw.OnItemClickListener(){}类型必须实现继承的抽象方法AdapterVIEw.OnItemClickListener.onItemClick(AdapterVIEw,VIEw,int,long)

为什么我在尝试构建教程时收到此消息

package Fedail.Hello.Layout;import androID.app.Activity;import androID.os.Bundle;import androID.Widget.*;import androID.vIEw.VIEw;import androID.vIEw.VIEwGroup;import androID.Widget.AdapterVIEw.OnItemClickListener;public class Layout_Feras extends Activity {    /** Called when the activity is first created. */    public voID onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentVIEw(R.layout.main);        GrIDVIEw grIDvIEw = (GrIDVIEw) findVIEwByID(R.ID.grIDvIEw);        grIDvIEw.setAdapter(new ImageAdapter(this));        grIDvIEw.setonItemClickListener(new OnItemClickListener(){         public voID onItemClick(AdapterVIEw<?> parent, VIEw v, int position, Long ID){          Toast.makeText(Layout_Feras.this,"" + position, Toast.LENGTH_SHORT).show();         }        }        );    } }

解决方法:

改变这个：

public voID onItemClick(AdapterVIEw<?> parent, VIEw v, int position, Long ID)

对此：

public voID onItemClick(AdapterVIEw<?> parent, VIEw v, int position, long ID)

覆盖超级方法时,必须确保所有数据类型都与原始类型匹配.

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