我需要使用共享首选项将我的json响应的品牌ID值作为参数传递给http请求。我还需要将品牌ID值存储在我的主Activity中并在我的AddVehicle活动中检索它请帮帮我。可以我用arraylist？如果是，那么请告诉我怎么样？ id应该检查相应的名称，它应该显示在我的第二个活动（AddVehicle） 目前我在我的主Activity中只传递了一个品牌细节，但我需要在一个公共变量下动态传递所有id？
我的API响应
{
"status": 1,
"data": [
{
"id": 1,----> brand id
"name": "AUDI",
"code": "AUDI",
"image": "",
"status": "1",
"created_at": "2016-09-27 00:07:38",
"updated_at": "2016-09-27 00:07:38"
},
{
"id": 2-----> brand id
"name": "Bravian Motor Works",
"code": "BMW",
"image": "",
"status": "1",
"created_at": "2016-09-27 00:07:58",
"updated_at": "2016-09-27 00:07:58"
},
{
"id": 3,---->brand id
"name": "AB Volvo",
"code": "VOLVO",
"image": "",
"status": "1",
"created_at": "2016-09-27 00:08:36",
"updated_at": "2016-09-27 00:08:36"
},
{
"id": 4,-----> brand id
"name": "Ford Motor Company",
"code": "FORD",
"image": "",
"status": "1",
"created_at": "2016-09-27 00:11:51",
"updated_at": "2016-09-27 00:11:51"
},
{
"id": 5,-----> brand id
"name": "Maruti Suzuki",
"code": "Maruti",
"image": "",
"status": "1",
"created_at": "2016-09-27 00:12:14",
"updated_at": "2016-09-27 00:12:14"
}
],
"msg": "success",
"info": "data list"
}
MainActivity
package com.example.addvehicle;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.Spinner;
import android.widget.TextView;
import com.google.android.gms.appindexing.Action;
import com.google.android.gms.appindexing.AppIndex;
import com.google.android.gms.appindexing.Thing;
import com.google.android.gms.common.api.GoogleApiClient;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONArray;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import static com.example.addvehicle.R.string.brand;
public class MainActivity extends AppCompatActivity {
private String TAG = MainActivity.class.getSimpleName();
ArrayList<String> brandListArray = new ArrayList<String>();
ArrayList<String> modelListArray = new ArrayList<String>();
Button addVehicleBtn;
EditText AddVehicle_Regno, kmscovered;
RadioButton petrol, Diesel, fullyloaded, Basicmodel;
TextView textView8, textViewkms;
Spinner AddspinnerMake, AddspinnerModel, AddspinnerYear;
private static String url = "http://garage.kaptastech.mobi/api/5k/master/vehicle";
private String[] values;
ArrayList<String> brandListId;
ArrayList<String> modelListId;
String brandid;
String modelId;
ArrayList<HashMap<String, String>> addVehiclelist;
String jsonStr;
String Regno, fuelType, Brand, Year, Model, variant;
/**
* ATTENTION: This was auto-generated to implement the App Indexing API.
* See https://g.co/AppIndexing/AndroidStudio for more information.
*/
private GoogleApiClient client;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
brandListArray = new ArrayList<String>();
brandListId = new ArrayList<String>();
modelListArray = new ArrayList<String>();
modelListId = new ArrayList<String>();
addVehiclelist = new ArrayList<HashMap<String, String>>();
petrol = (RadioButton) findViewById(R.id.petrol);
Diesel = (RadioButton) findViewById(R.id.diesel);
fullyloaded = (RadioButton) findViewById(R.id.fullyLoaded);
Basicmodel = (RadioButton) findViewById(R.id.basicmodel);
addVehicleBtn = (Button) findViewById(R.id.addVehicleBtn);
AddVehicle_Regno = (EditText) findViewById(R.id.AddVehicle_Regno);
kmscovered = (EditText) findViewById(R.id.kmsCovered);
textView8 = (TextView) findViewById(R.id.textView8);
textViewkms = (TextView) findViewById(R.id.textViewkms);
AddspinnerMake = (Spinner) findViewById(R.id.AddspinnerMake);
AddspinnerModel = (Spinner) findViewById(R.id.AddspinnerModel);
AddspinnerYear = (Spinner) findViewById(R.id.AddspinnerYear);
new Getbrands().execute();
petrol.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
if (petrol.isChecked()) {
fuelType = petrol.getText().toString();
}
}
});
Diesel.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
if (Diesel.isChecked()) {
fuelType = Diesel.getText().toString();
}
}
});
AddspinnerMake.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> adapterView, View view, int position, long l) {
Brand = AddspinnerMake.getSelectedItem().toString();
if (position > 0) {
brandid = brandListId.get(position).toString();
//**Get Model execute api//
new Getmodels().execute();
}
}
@Override
public void onNothingSelected(AdapterView<?> adapterView) {
}
});
AddspinnerYear.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
Year = AddspinnerYear.getSelectedItem().toString();
}
@Override
public void onNothingSelected(AdapterView<?> adapterView) {
}
});
AddspinnerModel.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> adapterView, View view, int position, long l) {
Model = AddspinnerModel.getSelectedItem().toString();
if (position > 0) {
modelId = modelListId.get(position).toString();
}
}
@Override
public void onNothingSelected(AdapterView<?> adapterView) {
}
});
Basicmodel.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
if (Basicmodel.isChecked()) {
variant = Basicmodel.getText().toString();
}
}
});
fullyloaded.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
if (fullyloaded.isChecked()) {
variant = fullyloaded.getText().toString();
}
}
});
addVehicleBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Regno = AddVehicle_Regno.getText().toString();
new GetVehicle().execute();
Intent intent = new Intent(MainActivity.this, AddVehicle.class);
startActivity(intent);
}
});
// ATTENTION: This was auto-generated to implement the App Indexing API.
// See https://g.co/AppIndexing/AndroidStudio for more information.
client = new GoogleApiClient.Builder(this).addApi(AppIndex.API).build();
}
/**
* ATTENTION: This was auto-generated to implement the App Indexing API.
* See https://g.co/AppIndexing/AndroidStudio for more information.
*/
public Action getIndexApiAction() {
Thing object = new Thing.Builder()
.setName("Main Page") // TODO: Define a title for the content shown.
// TODO: Make sure this auto-generated URL is correct.
.setUrl(Uri.parse("http://[ENTER-YOUR-URL-HERE]"))
.build();
return new Action.Builder(Action.TYPE_VIEW)
.setObject(object)
.setActionStatus(Action.STATUS_TYPE_COMPLETED)
.build();
}
@Override
public void onStart() {
super.onStart();
// ATTENTION: This was auto-generated to implement the App Indexing API.
// See https://g.co/AppIndexing/AndroidStudio for more information.
client.connect();
AppIndex.AppIndexApi.start(client, getIndexApiAction());
}
@Override
public void onStop() {
super.onStop();
// ATTENTION: This was auto-generated to implement the App Indexing API.
// See https://g.co/AppIndexing/AndroidStudio for more information.
AppIndex.AppIndexApi.end(client, getIndexApiAction());
client.disconnect();
}
private class GetVehicle extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(Void... arg0) {
HttpClient client = new DefaultHttpClient();
HttpPost httpPost = new HttpPost("http://garage.kaptastech.mobi/api/5k/master/vehicle");
List<NameValuePair> nameValuePair = new ArrayList<NameValuePair>(7);
nameValuePair.add(new BasicNameValuePair("user_id","5"));
nameValuePair.add(new BasicNameValuePair("registration_no", Regno));
nameValuePair.add(new BasicNameValuePair("brand","5"));
nameValuePair.add(new BasicNameValuePair("model", "4"));
nameValuePair.add(new BasicNameValuePair("type", "2"));
nameValuePair.add(new BasicNameValuePair("variant", "2"));
nameValuePair.add(new BasicNameValuePair("year", Year));
try {
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePair));
} catch (UnsupportedEncodingException e) {
// writing error to Log
e.printStackTrace();
}
// Making HTTP Request
try {
HttpResponse response = client.execute(httpPost);
// writing response to log
Log.d("Response from url:", response.toString());
jsonStr = EntityUtils.toString(response.getEntity());
} catch (IOException e) {
e.printStackTrace();
}
try {
/*HttpConnection ht = new HttpConnection();
ht.getVehicle();*/
JSONObject object = new JSONObject(jsonStr);
JSONArray Vehicle = object.getJSONArray("data");
for (int i = 0; i < Vehicle.length(); i++) {
JSONObject c = Vehicle.getJSONObject(i);
String Regno = c.getString("registration_no");
String brand = c.getString("brand");
String model = c.getString("model");
String fueltype = c.getString("type");
String variant = c.getString("variant");
HashMap<String, String> Vl = new HashMap<String, String>();
Vl.put("registration_no", Regno);
Vl.put("brand", brand);
Vl.put("model", model);
Vl.put("type", fueltype);
Vl.put("variant:", variant);
addVehiclelist.add(Vl);
values = new String[]{
"Registration No:" + Regno,
"Brand:" + brand,
"Model:" + model,
"Type:" + fueltype,
"Variant:" + variant,
};
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
}
}
private class Getbrands extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(Void... arg0) {
HttpClient client = new DefaultHttpClient();
HttpGet httpGet = new HttpGet("http://garage.kaptastech.mobi/api/5k/master/brand");
try {
HttpResponse response = client.execute(httpGet);
// writing response to log
Log.d("Response from url:", response.toString());
jsonStr = EntityUtils.toString(response.getEntity());
} catch (IOException e) {
e.printStackTrace();
}
try {
HttpConnection ht = new HttpConnection();
ht.getbrand();
JSONObject object = new JSONObject(jsonStr);
JSONArray brandArray = object.getJSONArray("data");
brandListArray.clear();
brandListId.clear();
brandListArray.add("Select Brand");
brandListId.add("0");
for (int i = 0; i < brandArray.length(); i++) {
JSONObject gb = brandArray.getJSONObject(i);
brandListArray.add(gb.getString("name"));
brandListId.add(gb.getString("id"));
String[] brandStringArray = new String[brandListArray.size()];
brandStringArray = brandListArray.toArray(brandStringArray);
for (int i1 = 0; i1 < brandStringArray.length; i1++) {
Log.d("String is", (String) brandStringArray[i1]);
}
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
protected void onPostExecute(Void result) {
super.onPostExecute(result);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_spinner_item, brandListArray);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
AddspinnerMake.setAdapter(adapter);
}
}
private class Getmodels extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(Void... arg0) {
HttpClient client = new DefaultHttpClient();
HttpGet httpGet = new HttpGet("http://garage.kaptastech.mobi/api/5k/master/models/" + brandid);
try {
HttpResponse response = client.execute(httpGet);
// writing response to log
Log.d("Response from url:", response.toString());
jsonStr = EntityUtils.toString(response.getEntity());
} catch (IOException e) {
e.printStackTrace();
}
try {
HttpConnection ht = new HttpConnection();
ht.getmodel();
JSONObject object = new JSONObject(jsonStr);
JSONArray modelArray = object.getJSONArray("data");
modelListArray.clear();
modelListId.clear();
modelListArray.add("Select Model");
modelListId.add("0");
for (int i = 0; i < modelArray.length(); i++) {
JSONObject gm = modelArray.getJSONObject(i);
modelListArray.add(gm.getString("name"));
modelListId.add(gm.getString("id"));
String[] modelStringArray = new String[modelListArray.size()];
modelStringArray = modelListArray.toArray(modelStringArray);
for (int i2 = 0; i2 < modelStringArray.length; i2++) {
Log.d("String is", (String) modelStringArray[i2]);
}
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
protected void onPostExecute(Void result) {
super.onPostExecute(result);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_spinner_dropdown_item, modelListArray);
AddspinnerModel.setAdapter(adapter);
}
}
}
我需要在我的AddVehicle活动
上进行检索AddVehicleActivity
package com.example.addvehicle;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.os.AsyncTask;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public class AddVehicle extends AppCompatActivity {
ListView addVehicleListView;
ArrayList<HashMap<String, String>> VehicleList;
ArrayList<String> brandListId;
private String[] values;
private static String urlString = "http://garage.kaptastech.mobi/api/5k/users/vehicle";
private String TAG = AddVehicle.class.getSimpleName();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_list);
brandListId = new ArrayList<String>();
VehicleList = new ArrayList<HashMap<String, String>>();
addVehicleListView = (ListView) findViewById(R.id.addVehicleListView);
new GetVehicle().execute();
}
private class GetVehicle extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... voids) {
HttpConnection ht = new HttpConnection();
String response = ht.getVehicle();
{
try {
HttpClient client = new DefaultHttpClient();
HttpGet get = new HttpGet("http://garage.kaptastech.mobi/api/5k/users/vehicle");
JSONObject Object = new JSONObject(response);
JSONArray Vehicle = Object.getJSONArray("data");
for (int i = 0; i < Vehicle.length(); i++) {
JSONObject c = Vehicle.getJSONObject(i);
String Regno = c.getString("registration_no");
String brand = c.getString("brand_id");
String model = c.getString("model_id");
String fueltype = c.getString("type");
String variant = c.getString("variant");
HashMap<String, String> Vl = new HashMap<String, String>();
Vl.put("registration_no", Regno);
Vl.put("brand_id", brand);
Vl.put("model_id", model);
Vl.put("type", fueltype);
Vl.put("variant:" , variant);
VehicleList.add(Vl);
values = new String[]{
"Registration No:" + Regno,
"Brand Id:" + brand,
"Model Id:" + model,
"Type:" + fueltype,
"Variant:" + variant,
};
}
} catch (final Exception e) {
e.printStackTrace();
}
}
return null;
}
@Override
protected void onPreExecute() {
super.onPreExecute();
}
protected void onPostExecute(Void result) {
super.onPostExecute(result);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(AddVehicle.this,
android.R.layout.simple_list_item_1, android.R.id.text1, values);
//ListAdapter adapter = new SimpleAdapter(AddVehicle.this, VehicleList, R.layout.activity_list, new String[]{"brand_id", "model_id", "registration_no", "type", "variant"}, new int[]{R.id.AddspinnerMake, R.id.AddspinnerModel, R.id.AddVehicle_Regno, R.id.fullyLoaded, R.id.basicmodel});
addVehicleListView.setAdapter(adapter);
adapter.notifyDataSetChanged();
}
}
}