我已经在 android 中创建了一个应用程序，现在我已经创建了活动 notes.xml、contactinfo.xml 和一个名为 listplaceholder5.xml 的 android xml 文件，我需要在“listplaceholder5”中将 textview 的 android:text 更改为“notes” .xml”文件，它在note.java中使用，但它不显示“notes”，它显示“contact”。我试过sode a sbelow：请帮助我更改代码以便我可以解决它，
注意.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
>
<LinearLayout
android:id="@+id/linearLayout1"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Name: "
android:textColor="#000000"
android:textStyle="bold"
android:textSize="16sp"
android:paddingLeft="5dp"
/>
<TextView
android:id="@+id/item_title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="item_title"
android:textColor="#000000"
android:textStyle="bold"
android:textSize="16sp"
android:paddingLeft="5dp"
android:ellipsize="end"
android:lines="1"
android:scrollHorizontally="true"
/>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<!--
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="left"
android:text="@string/hello"
android:visibility="gone"
/>-->
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Phone : "
android:textColor="#000000"
android:textSize="14sp"
android:paddingLeft="5dp"
/>
<TextView
android:id="@+id/item_subtitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="item_subtitle"
android:textColor="#000000"
android:textSize="14sp"
/>
<TextView
android:id="@+id/item_subtitle1"
android:layout_height="wrap_content"
android:textColor="#000000"
android:textSize="14sp"
android:layout_width="wrap_content"
android:ellipsize="end"
android:lines="1"
android:scrollHorizontally="true"
/>
<!-- New Layout -->
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="right"
android:paddingRight="10dp"
>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/forward" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
listplaceholder5.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/detailpage">
<LinearLayout android:layout_width="fill_parent"
android:weightSum="1"
android:background="@drawable/bottombackground"
android:id="@+id/linearLayout1"
android:layout_height="wrap_content">
<TextView
android:layout_width="wrap_content"
android:textColor="#FFFFFF"
android:layout_marginLeft="18dp"
android:layout_weight="0.88"
android:textSize="18sp"
android:textStyle="bold"
android:id="@+id/textView1"
android:text="Notes"
android:gravity="center"
android:layout_gravity="center"
android:layout_height="wrap_content">
</TextView>
</LinearLayout>
<ListView
android:id="@id/android:list"
android:layout_height="wrap_content"
android:drawSelectorOnTop="false"
android:layout_width="fill_parent"
android:cacheColorHint="#00000000"
android:dividerHeight="2dp"
android:listSelector="@drawable/list_selector"
/>
<TextView
android:id="@id/android:empty"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="No data"/>
</LinearLayout>
注意活动.java
package com.hussain.realtylog;
import java.util.ArrayList;
import java.util.HashMap;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import com.hussain.realtylog.Contact.DownloadWebPageTask;
import android.net.ConnectivityManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.GradientDrawable.Orientation;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.TextView;
public class NoteActivity extends ListActivity {
JSONArray jArray = null;
JSONObject json_data = null;
String getMLSID =null;
TextView titl;
// Button btnBuyer;
// Button btnRental;
String getJson =null;
public String user=null;
public static String urlContact=null;
public static String jsonContact=null;
ArrayList<HashMap<String, String>> mylist;
private class DownloadWebPageTask extends AsyncTask<String, Void, String> {
private ProgressDialog dialog;
@Override
protected String doInBackground(String... urls) {
user= TabBarExample.getJsonUser;
urlContact = StoreSession.strBaseURL+"&username="+user+"&act=ContactList";
if( StoreSession.FlagContact == 0){
boolean isNet = checkInternetConnection();
if(isNet==true){
jsonContact = JSONfunctions.getJSONfromURL(urlContact);
}else{
alertbox("Contact", "Please check your mobile network setting and try again.");
}
}
mylist = new ArrayList<HashMap<String, String>>();
try{
jArray = new JSONArray(jsonContact);
for(int i=0;i<jArray.length();i++){
HashMap<String, String> map = new HashMap<String, String>();
JSONObject e = jArray.getJSONObject(i);
map.put("id", String.valueOf(i));
map.put("ID", e.getString("ID"));
map.put("username", e.getString("username"));
map.put("email", e.getString("email"));
map.put("phone", e.getString("phone"));
map.put("phone2", e.getString("phone2"));
map.put("fullname", e.getString("fullname"));
map.put("address", e.getString("address"));
map.put("notes", e.getString("info"));
map.put("active", e.getString("active"));
map.put("created", e.getString("created"));
map.put("lastUpdate", e.getString("lastUpdate"));
map.put("guest", e.getString("guest"));
map.put("category", "Category: "+e.getString("category"));
mylist.add(map);
}
}catch(JSONException e){
// Log.e("log_tag", "Error parsing data "+e.toString());
}
return null;
}
@Override
protected void onPostExecute(String result) {
ListAdapter adapter = new SimpleAdapter(NoteActivity.this, mylist , R.layout.activity_note,
new String[] { "fullname", "phone" },
new int[] { R.id.item_title, R.id.item_subtitle });
setListAdapter(adapter);
final ListView lv = getListView();
lv.setTextFilterEnabled(true);
int[] colors = {0, 0xFFFF0000, 0}; // red for the example
lv.setDivider(new GradientDrawable(Orientation.RIGHT_LEFT, colors));
lv.setDividerHeight(1);
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view, final int position, long id) {
final ProgressDialog dialog = ProgressDialog.show(NoteActivity.this, "Loading",
"Please wait...", true);
final Handler handler = new Handler() {
public void handleMessage(Message msg) {
dialog.dismiss();
}
};
Thread checkUpdate = new Thread() {
@SuppressWarnings("unchecked")
public void run() {
HashMap<String, String> o = (HashMap<String, String>) lv.getItemAtPosition(position);
final String strName= o.get("fullname").toString();
final String strEmail= o.get("email").toString();
final String Phone= o.get("phone").toString();
final String Phone2= o.get("phone2").toString();
getMLSID = o.get("notes").toString();
Intent newActivityFirst = new Intent(NoteActivity.this, ContactInfo.class);
newActivityFirst.putExtra("name", strName);
newActivityFirst.putExtra("strEmail", strEmail);
newActivityFirst.putExtra("phone", Phone);
newActivityFirst.putExtra("phone2", Phone2);
newActivityFirst.putExtra("notes", getMLSID);
NoteActivity.this.startActivity(newActivityFirst);
handler.sendEmptyMessage(0);
}
};
checkUpdate.start();
}
});
StoreSession.FlagContact=1;
//dialog.hide();
dialog.dismiss();
}
private ListView getListView() {
// TODO Auto-generated method stub
return null;
}
private void setListAdapter(ListAdapter adapter) {
// TODO Auto-generated method stub
}
protected void onPreExecute() {
dialog = new ProgressDialog(NoteActivity.this);
dialog.setCancelable(true);
dialog.setMessage("Please wait...");
dialog.show();
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_note);
DownloadWebPageTask task = new DownloadWebPageTask();
task.execute();
setContentView(R.layout.listplaceholder5);
TextView title=(TextView)findViewById(R.id.textView1);
title.setText("Notes");
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
StoreSession.FlagListing =0;
StoreSession.FlagBuyer =0;
StoreSession.FlagRental =0;
StoreSession.FlagDocument =0;
StoreSession.FlagContact =0;
ActiveShowingInfo.flagActiveClickCheck =0;
Main.username.setText("");
Main.pwd.setText("");
return false;
}
return super.onKeyDown(keyCode, event);
}
protected void alertbox(String title, String mymessage)
{
new AlertDialog.Builder(this)
.setMessage(mymessage)
.setTitle(title)
.setCancelable(true)
.setNeutralButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton){}
})
.show();
}
private boolean checkInternetConnection() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
// test for connection
if (cm.getActiveNetworkInfo() != null
&& cm.getActiveNetworkInfo().isAvailable()
&& cm.getActiveNetworkInfo().isConnected()) {
return true;
} else {
//Log.v("tag", "Internet Connection Not Present");
return false;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_note, menu);
return true;
}
}
请帮我解决这个问题。提前谢谢你。