I have create simple json data pass user first name and last name but i have display only one record but i have put intent in for loop this time multiple activity create and above for loop put intent this time display only one create.
And List size is database table value size.
Like this
FirstName LastName
Android corejava
Android corejava
Android corejava
Android corejava
**My Json Activity **
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
fn = (EditText) findViewById(R.id.fn);
ln = (EditText) findViewById(R.id.ln);
insert = (Button) findViewById(R.id.insert1);
show = (Button) findViewById(R.id.button2);
requestQueue = Volley.newRequestQueue(getApplicationContext());
show.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
class GetDataJSON extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... params) {
DefaultHttpClient httpclient = new DefaultHttpClient(
new BasicHttpParams());
HttpPost httppost = new HttpPost(
"http://192.168.2.5/Demo/lgin.php");
httppost.setHeader("Content-type", "application/json");
InputStream inputStream = null;
String result = null;
try {
HttpResponse response = httpclient
.execute(httppost);
HttpEntity entity = response.getEntity();
inputStream = entity.getContent();
BufferedReader reader = new BufferedReader(
new InputStreamReader(inputStream, "UTF-8"),
8);
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
result = sb.toString();
} catch (Exception e) {
} finally {
try {
if (inputStream != null)
inputStream.close();
} catch (Exception squish) {
}
}
return result;
}
@Override
protected void onPostExecute(String result) {
JSONObject jsonObj = null;
JSONArray jArray = null;
ArrayList<Model> data = new ArrayList<>();
try {
jsonObj = new JSONObject(result);
jArray = jsonObj.getJSONArray("userdetail");
Model model = new Model();
for (int i = 0; i < jArray.length(); i++) {
JSONObject jObject = null;
jObject = jArray.getJSONObject(i);
model.setName(jObject.getString("user"));
model.setLastname(jObject.getString("pass"));
Log.d(getClass().getName(), "User = " + model.getName() + "Pas = " + model.getLastname());
data.add(model);
}
Intent intent = new Intent(getApplicationContext(), ViewData.class);
intent.putExtra("data",new Gson().toJson(data));
startActivity(intent);
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
GetDataJSON g = new GetDataJSON();
g.execute();
}
});
insert.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
StringRequest request = new StringRequest(Request.Method.POST, insertURl, new Response.Listener<String>() {
@Override
public void onResponse(String arg0) {
// TODO Auto-generated method stub
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
// TODO Auto-generated method stub
}
}) {
@Override
protected Map<String, String> getParams()
throws AuthFailureError {
// TODO Auto-generated method stub
Map<String, String> parameters = new HashMap<String, String>();
parameters.put("user", fn.getText().toString());
parameters.put("pass", ln.getText().toString());
Log.d(getClass().getName(), "View =" + fn.getText().toString() + "LastNAme = " + ln.getText().toString());
return parameters;
}
};
requestQueue.add(request);
}
});
}
My Recyclerview Class
public class ViewData extends Activity {
private AdapterFish mAdapter;
private List<Model> list;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.container_fish);
String dataString = getIntent().getStringExtra("data");
ArrayList<Model> list = new Gson().fromJson(dataString, new TypeToken<ArrayList<Model>>() {
}.getType());
mAdapter = new AdapterFish(ViewData.this, (ArrayList<Model>) list);
RecyclerView mRVFishPrice = (RecyclerView) findViewById(R.id.fishPriceList);
RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(getApplicationContext());
mRVFishPrice.setLayoutManager(mLayoutManager);
mRVFishPrice.setAdapter(mAdapter);
}
Adapter
public class AdapterFish extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private Context context;
private LayoutInflater inflater;
ArrayList<Model> data;
Model current;
int currentPos = 0;
// create constructor to innitilize context and data sent from MainActivity
public AdapterFish(Context context, ArrayList<Model> data) {
this.context = context;
inflater = LayoutInflater.from(context);
this.data = data;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = inflater.inflate(R.layout.customlayout, parent, false);
MyHolder holder = new MyHolder(view);
return holder;
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
MyHolder myHolder = (MyHolder) holder;
Model model = data.get(position);
myHolder.tvFirstName.setText(model.getName());
myHolder.tvLastName.setText(model.getLastname());
}
@Override
public int getItemCount() {
return data.size();
}
class MyHolder extends RecyclerView.ViewHolder {
TextView tvFirstName;
TextView tvLastName;
// create constructor to get widget reference
public MyHolder(View itemView) {
super(itemView);
tvFirstName = (TextView) itemView.findViewById(R.id.tvFirstName);
tvLastName = (TextView) itemView.findViewById(R.id.tvLastName);
}
}
}
