我有一个Spinner
和RecyclerView
和RecyclerView
用于显示我从数据库读取,但上RecyclerView
,我有2行同样的事情时我选择在Spinner
第二个选项的数据。
我曾尝试切换回路,改变适配器和不断变化的API网址。
Spinner spinner = (Spinner) findViewById(R.id.spinner);
adapterspinner = ArrayAdapter.createFromResource(this,R.array.planets_array,android.R.layout.simple_spinner_item);
adapterspinner.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapterspinner);
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
if(i==0)
{
loadt1trolley();
}
if(i==1)
{
loadalltrolley();
}
}
@Override
public void onNothingSelected(AdapterView<?> adapterView) {
}
});
private void loadalltrolley(){
StringRequest stringRequest = new StringRequest(Request.Method.GET, PRODUCT_URL,new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
JSONArray products = new JSONArray(response);
for(int i =0;i<products.length();i++){
JSONObject productObject = products.getJSONObject(i);
String gate_no = productObject.getString("gate_no");
String dock_name = productObject.getString("dock_name");
String dock_desc = productObject.getString("dock_desc") ;
int flight_arrival = productObject.getInt("flight_arrival");
int trolley_count = productObject.getInt("trolley_count");
Product product = new Product(gate_no,dock_name,dock_desc,flight_arrival,trolley_count);
allterminalList.add(product);
}
allterminaladapter = new ProductAdapter(alert.this,allterminalList);
recyclerView.setAdapter(allterminaladapter);
int count = allterminaladapter.getItemCount();
int i =0;
if (count>0)
{
displayNotification();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(alert.this,error.getMessage(),Toast.LENGTH_SHORT).show();
}
});
Volley.newRequestQueue(this).add(stringRequest);
refresh(6000);
}
private void loadt1trolley(){
StringRequest stringRequest1 = new StringRequest(Request.Method.GET, T1_URL,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
JSONArray products = new JSONArray(response);
for(int i =0;i<products.length();i++){
JSONObject productObject = products.getJSONObject(i);
String gate_no = productObject.getString("gate_no");
String dock_name = productObject.getString("dock_name");
String dock_desc = productObject.getString("dock_desc") ;
int flight_arrival = productObject.getInt("flight_arrival");
int trolley_count = productObject.getInt("trolley_count");
Product product = new Product(gate_no,dock_name,dock_desc,flight_arrival,trolley_count);
allterminalList.add(product);
}
allterminaladapter = new ProductAdapter(alert.this,allterminalList);
recyclerView.setAdapter(allterminaladapter);
int count = allterminaladapter.getItemCount();
int i =0;
if (count>0)
{
displayNotification();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(alert.this,error.getMessage(),Toast.LENGTH_SHORT).show();
}
});
Volley.newRequestQueue(this).add(stringRequest1);
refresh(6000);
}
我期望输出到根据与1行的每个数据的URL显示显示,但它显示的是2行当我按上微调位置1
您需要在新的网络请求之前清除allterminalList
allterminalList.clear();
if(i==0)
{
loadt1trolley();
}
else if(i==1)
{
loadalltrolley();
}
添加在onItemSelected(代码中的微调)的方法,这样就可以解决问题。