Android &引用;IllegalStateException:内容已被消费”;
我被击中是因为以下代码中的非法状态异常。谁能帮帮我吗?代码: 它是一种应用程序,通过json从远程服务器获取数据并将其插入本地存储并在listview中显示Android &引用;IllegalStateException:内容已被消费”;,android,json,Android,Json,我被击中是因为以下代码中的非法状态异常。谁能帮帮我吗?代码: 它是一种应用程序,通过json从远程服务器获取数据并将其插入本地存储并在listview中显示 package com.shadatv.shada; import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Local
package com.shadatv.shada;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Locale;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.net.ParseException;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
public class MediaActivity extends OptionsMenu {
Locale locale;
// boolean mybooks;
Configuration config = new Configuration();
static SharedPreferences sharedPreferenceid;
static SharedPreferences.Editor editorid;
public static final String Myid = "Myid";
String myid = "";
InputStream is = null;
StringBuilder sb = null;
String resultt = "";
JSONArray jArray;
String result = null;
public DAOCanticles cantDatabase = null;
int numberofrowssss;
int responseCode;
//String targetcover, targetbname, targetauthname;
public String caNameField = "", caLinkField = "", caImgField = "";
// ///////////////////ONLINE BESTSALED//////////////////////
String caNameJson, caLinkJson, caImgJson;
public ArrayList<String> caNameHolder = new ArrayList<String>();
public ArrayList<String> caLinkHolder = new ArrayList<String>();
public ArrayList<String> caImgHolder = new ArrayList<String>();
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.media);
cantDatabase = new DAOCanticles(this);
new LoadData().execute();
}
// =============================================================================
public void onClickPrograms(View view) {
startActivity(new Intent("com.shadatv.ProgramsActivity"));
}
// =============================================================================
public void onClickCanticles(View view) {
startActivity(new Intent("com.shadatv.CanticlesActivity"));
}
// =============================================================================
public void onClickDocumentaries(View view) {
startActivity(new Intent("com.shadatv.DocumentariesActivity"));
}
// =============================================================================
private class LoadData extends AsyncTask<Void, Void, Void> {
public ProgressDialog progressDialog1;
@Override
protected Void doInBackground(Void... params) {
cantDatabase.deletetable();
getCanticlesByJSON();
addCanticles();
return null;
}
@Override
// can use UI thread here
protected void onPreExecute() {
CharSequence contentTitle = getString(R.string.loading);
this.progressDialog1 = ProgressDialog.show(MediaActivity.this, "",
contentTitle);
}
// -------------------------------------------//
@Override
protected void onPostExecute(final Void unused) {
this.progressDialog1.dismiss();
}
}
// =============================================================================
public void getCanticlesByJSON() {
try {
HttpClient httpclient = new DefaultHttpClient();
try {
} catch (Exception e) {
Log.e("my_log_tag", e.toString());
}
// buffered reader
try {
HttpPost httppost = new HttpPost(
"http://dt-works.com/ags/shadatv/canticles/android_data");
HttpResponse response = httpclient.execute(httppost);
HttpEntity entity = response.getEntity();
is = entity.getContent();
BufferedReader reader = new BufferedReader(
new InputStreamReader(is, "UTF-8"), 80);
sb = new StringBuilder();
sb.append(reader.readLine() + "\n");
String line = "0";
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
is.close();
result = EntityUtils.toString(entity);
//result = sb.toString();
} catch (Exception e) {
Log.e("my_log_tag", e.toString());
}
try {
result = result.substring(1);
jArray = new JSONArray(result);
JSONObject json_data = null;
for (int i = 0; i < jArray.length(); i++) {
json_data = jArray.getJSONObject(i);
caNameJson = json_data.getString("ca_name");
Toast.makeText(MediaActivity.this, caNameJson, Toast.LENGTH_LONG).show();
caLinkJson = json_data.getString("ca_link");
caImgJson = json_data.getString("ca_link");
caNameHolder.add(caNameJson);
caLinkHolder.add(caLinkJson);
caImgHolder.add(caImgJson);
}
} catch (JSONException e) {
Log.e("my_log_tag", e.toString());
}
} catch (ParseException e) {
Log.e("my_log_tag", e.toString());
} catch (Exception e) {
Log.e("my_log_tag", e.toString());
}
}
// =============================================================================
public void addCanticles() {
try {
for (int i = 0; i < caNameHolder.size(); i++) {
caNameField = caNameHolder.get(i);
caLinkField = caLinkHolder.get(i);
caImgField = caImgHolder.get(i);
cantDatabase.createCanticle(caNameField, caLinkField,
caImgField);
}
} catch (Exception e) {
Log.e("my_log_tag", "notfilled yet");
}
}
}
package com.shadatv.shada;
导入java.io.BufferedReader;
导入java.io.InputStream;
导入java.io.InputStreamReader;
导入java.util.ArrayList;
导入java.util.Locale;
导入org.apache.http.HttpEntity;
导入org.apache.http.HttpResponse;
导入org.apache.http.client.HttpClient;
导入org.apache.http.client.methods.HttpPost;
导入org.apache.http.impl.client.DefaultHttpClient;
导入org.apache.http.util.EntityUtils;
导入org.json.JSONArray;
导入org.json.JSONException;
导入org.json.JSONObject;
导入android.app.ProgressDialog;
导入android.content.Intent;
导入android.content.SharedReferences;
导入android.content.res.Configuration;
导入android.net.ParseException;
导入android.os.AsyncTask;
导入android.os.Bundle;
导入android.util.Log;
导入android.view.view;
导入android.widget.Toast;
公共类MediaActivity扩展选项菜单{
地点;
//布尔mybooks;
配置配置=新配置();
静态SharedReferences SharedReferenceID;
静态SharedReferences.Editor-editorid;
公共静态最终字符串Myid=“Myid”;
字符串myid=“”;
InputStream=null;
StringBuilder sb=null;
字符串result=“”;
杰索纳雷·贾雷;
字符串结果=null;
public DAOCanticles cantDatabase=null;
整数列;
国际响应码;
//字符串targetcover、targetbname、targetauthname;
公共字符串caNameField=“”,caLinkField=“”,caImgField=“”;
////网上畅销//////////////////////
字符串caNameJson、caLinkJson、caImgJson;
public ArrayList caNameHolder=new ArrayList();
public ArrayList caLinkHolder=new ArrayList();
public ArrayList caImgHolder=new ArrayList();
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.media);
cantDatabase=新的DAOCanticles(本);
新建LoadData().execute();
}
// =============================================================================
公共void onclick程序(视图){
startActivity(新意图(“com.shadatv.ProgramsActivity”);
}
// =============================================================================
公共空心砖(视图){
startActivity(新意图(“com.shadatv.CanticlesActivity”);
}
// =============================================================================
公共纪录片(视图){
startActivity(新意图(“com.shadatv.DocumentariesActivity”);
}
// =============================================================================
私有类LoadData扩展异步任务{
公共进程对话1;
@凌驾
受保护的Void doInBackground(Void…参数){
cantDatabase.deletetable();
getCanticlesByJSON();
addCanticles();
返回null;
}
@凌驾
//可以在这里使用UI线程
受保护的void onPreExecute(){
CharSequence contentTitle=getString(R.string.loading);
this.progressDialog1=ProgressDialog.show(MediaActivity.this,“,
内容名称);
}
// -------------------------------------------//
@凌驾
后期执行时受保护的无效(最终无效未使用){
this.progressDialog1.discover();
}
}
// =============================================================================
public void getCanticlesByJSON(){
试一试{
HttpClient HttpClient=新的DefaultHttpClient();
试一试{
}捕获(例外e){
e(“my_Log_标记”,e.toString());
}
//缓冲读取器
试一试{
HttpPost HttpPost=新的HttpPost(
"http://dt-works.com/ags/shadatv/canticles/android_data");
HttpResponse response=httpclient.execute(httppost);
HttpEntity=response.getEntity();
is=entity.getContent();
BufferedReader reader=新的BufferedReader(
新的InputStreamReader(is,“UTF-8”),80;
sb=新的StringBuilder();
sb.append(reader.readLine()+“\n”);
字符串行=“0”;
而((line=reader.readLine())!=null){
sb.追加(第+行“\n”);
}
is.close();
结果=EntityUtils.toString(实体);
//结果=sb.toString();
}捕获(例外e){
e(“my_Log_标记”,e.toString());
}
试一试{
结果=结果。子字符串(1);
jArray=新的JSONArray(结果);
JSONObject json_data=null;
for(int i=0;i03-03 07:03:06.565: D/libEGL(6716): loaded /system/lib/egl/libEGL_mali.so
03-03 07:03:06.570: D/libEGL(6716): loaded /system/lib/egl/libGLESv1_CM_mali.so
03-03 07:03:06.575: D/libEGL(6716): loaded /system/lib/egl/libGLESv2_mali.so
03-03 07:03:06.580: D/(6716): Device driver API match
03-03 07:03:06.580: D/(6716): Device driver API version: 10
03-03 07:03:06.580: D/(6716): User space API version: 10
03-03 07:03:06.580: D/(6716): mali: REVISION=Linux-r2p4-02rel0 BUILD_DATE=Mon Mar 5 09:47:55 KST 2012
03-03 07:03:06.595: D/OpenGLRenderer(6716): Enabling debug mode 0
03-03 07:03:06.655: D/CLIPBOARD(6716): Hide Clipboard dialog at Starting input: finished by someone else... !
03-03 07:03:06.655: W/IInputConnectionWrapper(6716): showStatusIcon on inactive InputConnection
03-03 07:03:15.215: D/dalvikvm(6716): GC_FOR_ALLOC freed 9K, 2% free 12615K/12807K, paused 12ms
03-03 07:03:15.215: I/dalvikvm-heap(6716): Grow heap (frag case) to 15.015MB for 2764816-byte allocation
03-03 07:03:15.255: D/dalvikvm(6716): GC_CONCURRENT freed <1K, 2% free 15315K/15559K, paused 1ms+1ms
03-03 07:03:15.460: D/OpenGLRenderer(6716): Flushing caches (mode 0)
03-03 07:03:18.945: E/my_log_tag(6716): java.lang.IllegalStateException: Content has been consumed
03-03 07:03:18.945: E/my_log_tag(6716): java.lang.NullPointerException
result = EntityUtils.toString(entity); // this throws the exception