我的A
上有问题选择项目。当我点击时没有任何事情发生,我无法进入下一个活动,因为当前B
无法点击。
我尝试逐行调试代码,但似乎没有进入ListView
部分。为什么会这样?
这是我的代码,
listView
这是我的xml文件
public void onItemClick
这是我的List_item.xml布局
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.Button;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.HashMap;
public class ViewAllBills extends AppCompatActivity implements ListView.OnItemClickListener {
private ListView listView;
private Button mydebtsBtn;
private String JSON_STRING;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_view_all_bills);
listView = (ListView) findViewById(R.id.listView);
listView.setOnItemClickListener(this);
getJSON();
myDebt();
}
//for new bill
public void myDebt() {
mydebtsBtn = (Button) findViewById(R.id.buttonMyDebt);
mydebtsBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
Intent page1 = new Intent(ViewAllBills.this,myDebt.class);
startActivity(page1);
}
});}
private void showBills(){
JSONObject jsonObject = null;
ArrayList<HashMap<String,String>> list = new ArrayList<HashMap<String, String>>();
try {
jsonObject = new JSONObject(JSON_STRING);
JSONArray result = jsonObject.getJSONArray(Config.TAG_JSON_ARRAY);
for(int i = 0; i<result.length(); i++){
JSONObject jo = result.getJSONObject(i);
String id = jo.getString(Config.TAG_ID);
String desc = jo.getString(Config.TAG_DESCRIPTION);
String amo = jo.getString(Config.TAG_AMOUNT);
HashMap<String,String> bills = new HashMap<>();
bills.put(Config.TAG_ID,id);
bills.put(Config.TAG_DESCRIPTION,desc);
bills.put(Config.TAG_AMOUNT,amo);
list.add(bills);
}
} catch (JSONException e) {
e.printStackTrace();
}
ListAdapter adapter = new SimpleAdapter(
ViewAllBills.this, list, R.layout.list_item,
new String[]{Config.TAG_ID,Config.TAG_DESCRIPTION,Config.TAG_AMOUNT},
new int[]{R.id.id, R.id.description,R.id.amountBill});
listView.setAdapter(adapter);
}
private void getJSON(){
class GetJSON extends AsyncTask<Void,Void,String>{
ProgressDialog loading;
@Override
protected void onPreExecute() {
super.onPreExecute();
loading = ProgressDialog.show(ViewAllBills.this,"Fetching Data","Wait...",false,false);
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
loading.dismiss();
JSON_STRING = s;
showBills();
}
@Override
protected String doInBackground(Void... params) {
RequestHandler rh = new RequestHandler();
String s = rh.sendGetRequest(Config.URL_GET_ALL);
return s;
}
}
GetJSON gj = new GetJSON();
gj.execute();
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Intent intent = new Intent(ViewAllBills.this, ViewBills.class);
HashMap<String,String> map =(HashMap)parent.getItemAtPosition(position);
String billId = map.get(Config.TAG_ID).toString();
intent.putExtra(Config.BILL_ID,billId);
startActivity(intent);
}
}
答案 0 :(得分:0)
如果您在列表视图中有一个活动的视图/可聚焦视图,那么它将禁用您的onItemClickListener。您可以通过添加以下内容来尝试使其无法聚焦:android:focusable =&#34; false&#34; ,android:focusableInTouchMode =&#34; false&#34;到任何通常可调焦的视图。
我遇到了同样的问题并设置了android:focusableInTouchMode =&#34; false&#34;解决我的问题
答案 1 :(得分:0)
我的问题解决了.. 实际上我复制了我的list_item.xml中的scrolview布局..在我删除了滚动视图并仅离开了gridlayout之后,选择列表项工作..