从onPostExecute显示到另一个活动json数组结果

如何从onPostExecute获取json结果到另一个活动？我能够根据登录的用户名从数据库获取用户详细信息。因此，在HomePageActivity中有一个按钮可用于配置文件，当我单击btnprofile时，它会显示当前活动中的文本视图的用户详细信息（HomePageActivity）但我想要做的是获取用户详细信息，然后将其显示到配置文件活动中的新活动。我尝试使用意图，但当我去配置文件活动它什么也没有显示。你能帮我么？ :(从onPostExecute显示到另一个活动json数组结果

这里是我的HomePageActivity：

package com.example.androidmp; 

import android.os.Bundle; 
import android.app.Activity; 
import android.view.Menu; 
import java.io.BufferedReader; 
import java.io.IOException; 
import java.io.InputStream; 
import java.io.InputStreamReader; 
import java.io.UnsupportedEncodingException; 
import java.util.ArrayList; 
import java.util.List; 
import java.util.StringTokenizer; 
import android.content.*; 
import org.apache.http.HttpEntity; 
import org.apache.http.HttpResponse; 
import org.apache.http.NameValuePair; 
import org.apache.http.client.ClientProtocolException; 
import org.apache.http.client.HttpClient; 
import org.apache.http.client.entity.UrlEncodedFormEntity; 
import org.apache.http.client.methods.HttpPost; 
import org.apache.http.impl.client.DefaultHttpClient; 
import org.apache.http.message.BasicNameValuePair; 
import org.apache.http.util.EntityUtils; 
import org.json.JSONArray; 
import org.json.JSONObject; 
import android.os.AsyncTask; 
import android.os.Bundle; 
import android.app.Activity; 
import android.graphics.Bitmap; 
import android.graphics.drawable.BitmapDrawable; 
import android.graphics.drawable.Drawable; 
import android.view.Menu; 
import android.view.View; 
import android.widget.*; 

import com.example.androidmp.User; 
import java.util.ArrayList; 
import java.util.List; 
import com.example.androidmp.User; 
import com.example.androidmp.Poem; 
import java.util.ArrayList; 
import java.util.HashMap; 
import org.json.JSONArray; 
import org.json.JSONException; 
import org.json.JSONObject; 
import android.app.Activity; 
import android.app.Dialog; 
import android.app.ProgressDialog; 
import android.os.AsyncTask; 
import android.os.Bundle; 
import android.util.Log; 
import android.widget.ListView; 

public class HomePageActivity extends Activity { 


    Button btnfeed, btnprofile; 
    User u = new User(); 
    String Username,Password,Fullname,Email,Location,Bio,uname; 
    String getusername,getpw,getfn,getem,getloc,getb; 
    JSONObject jsonobject; 
    JSONArray jsonarray; 
    ListView listview; 
    ListViewAdapter adapter; 
    ProgressDialog mProgressDialog; 
    ArrayList<HashMap<String, String>> arraylist; 
    HashMap<String, String> hashMap = new HashMap<String, String>(); 
    Intent i; 
    Bundle bundle; 
    private static final String USERNAME = "Username"; 
    private static final String PASSWORD = "Password"; 
    private static final String FULLNAME = "Fullname"; 
    private static final String EMAIL = "Email"; 
    private static final String BIO = "Bio"; 
    private static final String LOCATION = "Location"; 
    String s=""; 
    TextView fn,em,loc,b; 
    private static final String TAG_PROFILE = "user"; 
    private static final String PROFILE_URL = "http://192.168.1.5/webservices/mycontroller/getUser.php"; 
    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_homepage); 


     Intent intent = getIntent(); 
     u.SetUsername(intent.getStringExtra(u.username())); 
     fn = (TextView) findViewById(R.id.textView1); 
     em = (TextView) findViewById(R.id.textView2); 
     loc = (TextView) findViewById(R.id.textView3); 
     b = (TextView) findViewById(R.id.textView4); 
     TextView textView = (TextView) findViewById(R.id.getusername); 
     textView.setText(u.getUsername()); 
     uname = u.getUsername().toString(); 
     //uname = textView.toString(); 

     //u.SetUsername(uname.toString()); 

     btnprofile = (Button) findViewById(R.id.btnprofile); 
     btnfeed = (Button) findViewById(R.id.btnfeed); 

     //getem = em.getText().toString(); 
     //getloc = loc.getText().toString(); 
     //getb = b.getText().toString(); 

     btnprofile.setOnClickListener(new View.OnClickListener() { 
      public void onClick(View v) { 


       new ProfileAsync().execute(); 


       Intent i = new Intent(HomePageActivity.this,ProfileActivity.class); 

       i.putExtra("fullname",Fullname); 
       i.putExtra("email", Email); 
       i.putExtra("bio", Bio); 
       i.putExtra("location", Location); 
       startActivity(i); 
       finish(); 



      } 
     }); 

     btnfeed.setOnClickListener(new View.OnClickListener() { 
      public void onClick(View v) { 
       Intent a = new Intent(HomePageActivity.this,FeedActivity.class); 
       startActivity(a); 
      } 
     }); 
    } 


     class ProfileAsync extends AsyncTask<String, String, String>{ 

       private Dialog loadingDialog; 

       @Override 
       protected void onPreExecute() { 
        super.onPreExecute(); 
        loadingDialog = ProgressDialog.show(HomePageActivity.this, "Please wait", "Loading..."); 
       } 

       @Override 
       protected String doInBackground(String... params) { 
        String json=null; 
        byte[] data; 
        StringBuffer buffer = null; 
        InputStream is = null; 



        try{ 
         List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(); 
         nameValuePairs.add(new BasicNameValuePair("Username", uname)); 

         HttpClient httpClient = new DefaultHttpClient(); 
         HttpPost httpPost = new HttpPost(PROFILE_URL); 
         httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); 

         HttpResponse response = httpClient.execute(httpPost); 

         HttpEntity entity = response.getEntity(); 
         json = EntityUtils.toString(entity); 
         Log.e("Profile JSON: ", json.toString()); 





        } catch (ClientProtocolException e) { 
         e.printStackTrace(); 
        } catch (UnsupportedEncodingException e) { 
         e.printStackTrace(); 
        } catch (IOException e) { 
         e.printStackTrace(); 
        } 
        return json; 
       } 

       @Override 
       protected void onPostExecute(String json){ 
        super.onPostExecute(json); 

        loadingDialog.dismiss(); 

        try 
        { 
        jsonobject = new JSONObject(json); 
        jsonarray = jsonobject.getJSONArray("user"); 
        JSONObject jb= jsonarray.getJSONObject(0); 
        //Username = jb.getString("Username"); 
        //Password = jb.getString("Password"); 
        Fullname = jb.getString("Fullname"); 
        Email = jb.getString("Email"); 
        Bio = jb.getString("Bio"); 
        Location = jb.getString("Location"); 


        fn.setText(Fullname); 
        em.setText(Email); 
        loc.setText(Location); 
        b.setText(Bio); 



        }catch(Exception e) 
        { 
         e.printStackTrace(); 
        } 



       } 
      }//end of asynctask 






}

这里是我的ProfileActivity：

package com.example.androidmp; 

import android.os.Bundle; 
import android.app.Activity; 
import android.view.Menu; 
import java.io.BufferedReader; 
import java.io.InputStream; 
import java.io.InputStreamReader; 
import java.util.ArrayList; 
import java.util.List; 
import java.util.StringTokenizer; 
import android.content.*; 
import com.example.androidmp.User; 
import org.apache.http.HttpEntity; 
import org.apache.http.HttpResponse; 
import org.apache.http.NameValuePair; 
import org.apache.http.client.HttpClient; 
import org.apache.http.client.entity.UrlEncodedFormEntity; 
import org.apache.http.client.methods.HttpPost; 
import org.apache.http.impl.client.DefaultHttpClient; 
import org.apache.http.message.BasicNameValuePair; 
import org.json.JSONArray; 
import org.json.JSONException; 
import org.json.JSONObject; 
import android.os.AsyncTask; 
import android.os.Bundle; 
import android.app.Activity; 
import android.graphics.Bitmap; 
import android.graphics.drawable.BitmapDrawable; 
import android.graphics.drawable.Drawable; 
import android.view.Menu; 
import android.view.View; 
import android.widget.*; 


public class ProfileActivity extends Activity { 


    Button btncreate; 
    private TextView _username,_password,_fullname,_Email,_bio,_location; 
    User u = new User(); 


    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.profileview); 

     //_username = (TextView) findViewById(R.id._username); 
     //_password = (TextView) findViewById(R.id._password); 
     _fullname = (TextView) findViewById(R.id._fullname); 
     _Email = (TextView) findViewById(R.id._Email); 
     _bio = (TextView) findViewById(R.id._bio); 
     _location = (TextView) findViewById(R.id._location); 


     Intent i = getIntent(); 
     u.SetUsername(i.getStringExtra(u.username())); 
     _username.setText(u.getUsername()); 




     String displayfullname = i.getExtras().getString("fullname"); 
     String displayemail = i.getExtras().getString("email"); 
     String displaybio = i.getExtras().getString("bio"); 
     String displaylocation = i.getExtras().getString("location"); 


     _fullname.setText(displayfullname); 
     _Email.setText(displayemail); 
     _bio.setText(displaybio); 
     _location.setText(displaylocation); 



    } 




}

来源

2017-08-27 Aira Veronica Dizon