android-片段和图像视图中的setOnItemClickListener

概述当我想使用setOnItemClickListener时,请使用以下内容GridViewgridview=(GridView)findViewById(R.id.gridview);gridview.setAdapter(newImageAdapter(Tab1Fragment.getContext(null)));gridview.setOnItemClickListener(newOnItemClickListener(){publicvoidon

当我想使用setonItemClickListener时,请使用以下内容

GrIDVIEw grIDvIEw = (GrIDVIEw) findVIEwByID(R.ID.grIDvIEw);grIDvIEw.setAdapter(new ImageAdapter(Tab1Fragment.getContext(null)));grIDvIEw.setonItemClickListener(new OnItemClickListener() {    public voID onItemClick(AdapterVIEw<?> parent, VIEw v, int position, long ID) {            // Send intent to SingleVIEwActivity            Intent i = new Intent(getApplicationContext(), SingleVIEwActivity.class);           // Pass image index           i.putExtra("ID", position);           startActivity(i);    } });

但是对于下面的代码,我不能像上面那样：

public VIEw onCreateVIEw(LayoutInflater inflater, VIEwGroup container, Bundle savedInstanceState) {    VIEw vIEw = inflater.inflate(R.layout.grIDvIEw1, null);    GrIDVIEw ListVIEw = (GrIDVIEw) vIEw.findVIEwByID(R.ID.mainGrID1);    ListVIEw.setAdapter(new Adapter());    GrIDVIEw.setonItemClickListener(new OnItemClickListener() {                 public voID onItemClick(AdapterVIEw<?> parent, VIEw v, int position, long ID) {            // Send intent to SingleVIEwActivity            Intent i = new Intent(getApplicationContext(), SingleVIEwActivity.class);            // Pass image index            i.putExtra("ID", position);            startActivity(i);        }    });    return vIEw;}

这是错误图片

解决方法:

为什么使用类名GrIDvIEw而不是已声明为ListvIEw的grIDvIEw变量

错误代码：-

GrIDVIEw.setonItemClickListener(new OnItemClickListener() {                    public voID onItemClick(AdapterVIEw<?> parent, VIEw v, int position, long ID) {                    // Send intent to SingleVIEwActivity               Intent i = new Intent(getApplicationContext(), SingleVIEwActivity.class);               // Pass image index               i.putExtra("ID", position);               startActivity(i);               } });

代替上面的代码将其更改为

ListVIEw.setonItemClickListener(new OnItemClickListener() {                    public voID onItemClick(AdapterVIEw<?> parent, VIEw v, int position, long ID) {                    // Send intent to SingleVIEwActivity               Intent i = new Intent(getApplicationContext(), SingleVIEwActivity.class);               // Pass image index               i.putExtra("ID", position);               startActivity(i);               } });

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