Android 双击侦听器
我有一个列表视图。我所做的是使用的3级可扩展列表视图。在该列表视图中，我可以在文本视图和列表视图的项目上放置一个单击侦听器吗？ 我的主要活动Android 双击侦听器,android,listview,android-studio,textview,listviewitem,Android,Listview,Android Studio,Textview,Listviewitem,我有一个列表视图。我所做的是使用的3级可扩展列表视图。在该列表视图中，我可以在文本视图和列表视图的项目上放置一个单击侦听器吗？ 我的主要活动 public drawerlist(final Context context, final LayoutInflater inflater, ListView listView1){ this.listView=listView1; lists = new ArrayList<NLevelItem&g
public drawerlist(final Context context, final LayoutInflater inflater, ListView listView1){
this.listView=listView1;
lists = new ArrayList<NLevelItem>();
requestQueue1= Volley.newRequestQueue(context);
JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.GET, "http://www.ezybzy.com/cntrldata/ezproductfristcategory.php",
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
try {
//list = new ArrayList<Group>();
ja = response.getJSONArray("hi");
ja2 = response.getJSONArray("hi2");
ja3 = response.getJSONArray("hi3");
firsttitle = new String[ja.length()];
firstcatid = new int[ja.length()];
JSONObject jsonObject2 = null, jsonObject3 = null, jsonObject;
for (int i = 0; i < ja.length(); i++) {
jsonObject = ja.getJSONObject(i);
// Log.e("hie",jsonObject2.getInt("second_category_id")+"");
//jsonObject3 = ja3.getJSONObject(i);
firstcatid[i] = jsonObject.getInt("first_category_id");
firsttitle[i] = jsonObject.getString("first_category_name");
}
secondcatid = new int[ja2.length()];
for (int i = 0; i < ja2.length(); i++) {
jsonObject2 = ja2.getJSONObject(i);
secondcatid[i] = jsonObject2.getInt("second_category_id");
}
for (int i = 0; i < ja.length(); i++) {
final NLevelItem grandParent = new NLevelItem(new SomeObject(firsttitle[i],firstcatid[i]+""), null, new NLevelView() {
@Override
public View getView(NLevelItem item) {
final View view = inflater.inflate(R.layout.list_item, null);
TextView tv = (TextView) view.findViewById(R.id.textView);
final ImageView iv=(ImageView)view.findViewById(R.id.imageView);
if (item.isExpanded()) {
iv.setBackgroundResource(R.drawable.ic_action_minus);
tv.setTypeface(null, Typeface.BOLD);
} else iv.setBackgroundResource(R.drawable.ic_action_add);
String name = (String) ((SomeObject) item.getWrappedObject()).getName();
tv.setText(name);
return view;
}
});
lists.add(grandParent);
//int numChildren = rng.nextInt(4) + 1;
for (int j = 0; j < ja2.length(); j++) {
jsonObject2 = ja2.getJSONObject(j);
if (firstcatid[i] == jsonObject2.getInt("first_category_id")) {
parent = new NLevelItem(new SomeObject(jsonObject2.getString("second_category_name"),jsonObject2.getInt("second_category_id")+""), grandParent, new NLevelView() {
@Override
public View getView(NLevelItem item) {
View view = inflater.inflate(R.layout.list_item, null);
TextView tv = (TextView) view.findViewById(R.id.textView);
final ImageView iv=(ImageView)view.findViewById(R.id.imageView);
if (item.isExpanded()) {
iv.setBackgroundResource(R.drawable.ic_action_minus);
tv.setTypeface(null, Typeface.BOLD);
} else iv.setBackgroundResource(R.drawable.ic_action_add);
tv.setPadding(20,0,0,0);
String name = (String) ((SomeObject) item.getWrappedObject()).getName();
tv.setText(name);
return view;
}
});
lists.add(parent); // int grandChildren = rng.nextInt(5) + 1;
for (int k = 0; k < ja3.length(); k++) {
jsonObject3 = ja3.getJSONObject(k);
if (secondcatid[j] == jsonObject3.getInt("second_category_id")) {
NLevelItem child = new NLevelItem(new SomeObject(jsonObject3.getString("third_category_name"),jsonObject3.getString("third_category_id")+""), parent, new NLevelView() {
@Override
public View getView(NLevelItem item) {
View view = inflater.inflate(R.layout.list_item, null);
TextView tv = (TextView) view.findViewById(R.id.textView);
//tv.setBackgroundColor(Color.GRAY);
tv.setPadding(40,0,0,0);
String name = (String) ((SomeObject) item.getWrappedObject()).getName();
tv.setText(name);
return view;
}
});
lists.add(child);} }
}
}
}
final NLevelAdapter adapter = new NLevelAdapter(lists);
listView.setAdapter(adapter);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
((NLevelAdapter) listView.getAdapter()).toggle(arg2);
((NLevelAdapter) listView.getAdapter()).getFilter().filter();
NLevelItem item2 = (NLevelItem)adapter.getItem(arg2);
id = ((SomeObject)item2.getWrappedObject()).getId();
Toast.makeText(context, id, Toast.LENGTH_SHORT).show();
try {
for (int i = 0; i < ja3.length(); i++) {
JSONObject jsonObject1 = ja3.getJSONObject(i);
if (id.equals(jsonObject1.getString("third_category_id"))){
Intent intent = new Intent(context, Categorypage.class);
intent.putExtra("id", id);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
}
}catch (Exception e){
}
}
});
View view = inflater.inflate(R.layout.list_item, null);
TextView tv = (TextView) view.findViewById(R.id.textView);
tv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(context, "hi", Toast.LENGTH_SHORT).show();
}
});
} catch (JSONException e) {
e.printStackTrace();
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e("Volley", error.toString());
}
}
);
requestQueue1.add(jsonObjectRequest);
}
class SomeObject {
public String name;
public String id;
public String getId() {
return id;
}
public SomeObject(String name,String id) {
this.name = name;
this.id=id;
}
public String getName() {
return name;
}
}
}
公共抽屉列表（最终上下文、最终布局、充气机、ListView listView1）{
this.listView=listView1；
lists=新的ArrayList（）；
requestQueue1=Volley.newRequestQueue（上下文）；
JsonObjectRequest JsonObjectRequest=新的JsonObjectRequest（Request.Method.GET）http://www.ezybzy.com/cntrldata/ezproductfristcategory.php",
新的Response.Listener（）{
@凌驾
公共void onResponse（JSONObject响应）{
试一试{
//列表=新的ArrayList（）；
ja=response.getJSONArray（“hi”）；
ja2=response.getJSONArray（“hi2”）；
ja3=response.getJSONArray（“hi3”）；
firsttitle=新字符串[ja.length（）]；
firstcatid=newint[ja.length（）]；
JSONObject JSONObject 2=null，JSONObject 3=null，JSONObject；
对于（int i=0；i tv.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
//on click code to execute....
}
});