Java 如何在Android Studio上将onClickListner添加到ArrayAdapter
我试图在我的代码中加入intent和onClickListner,但我找不到任何解决方案 在MainActivity.java中Java 如何在Android Studio上将onClickListner添加到ArrayAdapter,java,android,Java,Android,我试图在我的代码中加入intent和onClickListner,但我找不到任何解决方案 在MainActivity.java中 protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final ArrayList<Details> detail =
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final ArrayList<Details> detail = new ArrayList<>();
detail.add(new Details(R.string.list_1, price_1,getResources().getColor(R.color.color_category_1)));
//more detail
DetailsAdapter adapter = new DetailsAdapter(this, detail);
ListView listView = (ListView) findViewById(R.id.list);
listView.setAdapter(adapter);
}
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
最终ArrayList detail=新ArrayList();
detail.add(新的细节(R.string.list_1,price_1,getResources().getColor(R.color.color_category_1));
//更多细节
DetailsAdapter adapter=新的DetailsAdapter(这个,细节);
ListView ListView=(ListView)findViewById(R.id.list);
setAdapter(适配器);
}
在DetailAdapter.java中
public class DetailsAdapter extends ArrayAdapter<Details> {
private DetailsAdapter(Activity context, ArrayList<Details> detail) {
super(context, 0, detail);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View listItemView = convertView;
if (listItemView == null) {
listItemView = LayoutInflater.from(getContext()).inflate(R.layout.category_list_main, parent, false);
}
Details currentDetails = getItem(position);
TextView detailsTextView = (TextView) listItemView.findViewById(R.id.detailsName);
detailsTextView.setText(currentDetails.getDetailName());
//other code for displaying the text
colourCategory.setBackgroundColor(currentDetails.getColorCategory());
return listItemView;
}
}
公共类DetailsAdapter扩展了ArrayAdapter{
私有详细信息适配器(活动上下文、ArrayList详细信息){
超级(上下文,0,细节);
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
View listItemView=convertView;
如果(listItemView==null){
listItemView=LayoutInflater.from(getContext()).flate(R.layout.category\u list\u main,parent,false);
}
详细信息currentDetails=getItem(位置);
TextView detailsTextView=(TextView)listItemView.findViewById(R.id.detailsName);
detailsTextView.setText(currentDetails.getDetailName());
//用于显示文本的其他代码
colorCategory.setBackgroundColor(currentDetails.getColorCategory());
返回listItemView;
}
}
您可以像这样定义您的listView.setOnItemClickListener
以转到不同的活动来单击不同的元素
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final ArrayList<Details> detail = new ArrayList<>();
detail.add(new Details(R.string.list_1, price_1,getResources().getColor(R.color.color_category_1)));
// More detail
DetailsAdapter adapter = new DetailsAdapter(this, detail);
ListView listView = (ListView) findViewById(R.id.list);
listView.setAdapter(adapter);
// Click event
listView.setOnItemClickListener(new setOnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
// Do what you need...
}
});
}
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
最终ArrayList detail=新ArrayList();
detail.add(新的细节(R.string.list_1,price_1,getResources().getColor(R.color.color_category_1));
//更多细节
DetailsAdapter adapter=新的DetailsAdapter(这个,细节);
ListView ListView=(ListView)findViewById(R.id.list);
setAdapter(适配器);
//点击事件
setOnItemClickListener(新的setOnItemClickListener(){
@凌驾
公共视图单击(AdapterView arg0、视图arg1、整型arg2、长型arg3){
//做你需要的。。。
}
});
}
listItemView.setOnClickListener(),