BUG infinite loop due to the presence of AndroidAsyncHttp 1.4.4 of JsonHttpResponseHandler, 1.4.5 release do not know when, we can only temporarily replace the class to fix the error.
package com.ai9475.extend;
import com.ai9475.meitian.AppManager;
import com.ai9475.meitian.R;
import com.loopj.android.http.JsonHttpResponseHandler;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.util.Log;
import org.apache.http.Header;
import org.apache.http.HttpStatus;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONTokener;
import java.io.UnsupportedEncodingException;
/**
* 复写 AndroidAsyncHttp 1.4.4 开源库的 JsonHttpResponseHandler 类
* 当 1.4.5 released 后失效
*
* Created by ZHOUZ on 2014/3/22.
*/
public class ZJsonHttpResponseHandler extends JsonHttpResponseHandler
{
private static final String LOG_TAG = "JsonHttpResponseHandler";
/**
* Returns when request succeeds
*
* @param statusCode http response status line
* @param headers response headers if any
* @param response parsed response if any
*/
public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
}
/**
* Returns when request succeeds
*
* @param statusCode http response status line
* @param headers response headers if any
* @param response parsed response if any
*/
public void onSuccess(int statusCode, Header[] headers, JSONArray response) {
}
/**
* Returns when request failed
*
* @param statusCode http response status line
* @param headers response headers if any
* @param throwable throwable describing the way request failed
* @param errorResponse parsed response if any
*/
public void onFailure(int statusCode, Header[] headers, Throwable throwable, JSONObject errorResponse) {
}
/**
* Returns when request failed
*
* @param statusCode http response status line
* @param headers response headers if any
* @param throwable throwable describing the way request failed
* @param errorResponse parsed response if any
*/
public void onFailure(int statusCode, Header[] headers, Throwable throwable, JSONArray errorResponse) {
}
@Override
public void onFailure(int statusCode, Header[] headers, String responseString, Throwable throwable) {
final AlertDialog.Builder dialog = new AlertDialog.Builder(AppManager.ActivityManager.current());
dialog.setIcon(android.R.drawable.ic_dialog_info);
dialog.setTitle(R.string.app_error);
dialog.setMessage(responseString);
dialog.setNegativeButton(R.string.sure,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
dialog.show();
}
@Override
public void onSuccess(int statusCode, Header[] headers, String responseString) {
}
@Override
public final void onSuccess(final int statusCode, final Header[] headers, final byte[] responseBytes) {
if (statusCode != HttpStatus.SC_NO_CONTENT) {
new Thread(new Runnable() {
@Override
public void run() {
try {
final Object jsonResponse = parseResponse(responseBytes);
postRunnable(new Runnable() {
@Override
public void run() {
if (jsonResponse instanceof JSONObject) {
onSuccess(statusCode, headers, (JSONObject) jsonResponse);
} else if (jsonResponse instanceof JSONArray) {
onSuccess(statusCode, headers, (JSONArray) jsonResponse);
} else if (jsonResponse instanceof String) {
onFailure(statusCode, headers, (String) jsonResponse, new JSONException("Response cannot be parsed as JSON data"));
} else {
onFailure(statusCode, headers, new JSONException("Unexpected response type " + jsonResponse.getClass().getName()), (JSONObject) null);
}
}
});
} catch (final JSONException ex) {
postRunnable(new Runnable() {
@Override
public void run() {
onFailure(statusCode, headers, ex, (JSONObject) null);
}
});
}
}
}).start();
} else {
onSuccess(statusCode, headers, new JSONObject());
}
}
@Override
public final void onFailure(final int statusCode, final Header[] headers, final byte[] responseBytes, final Throwable throwable) {
if (responseBytes != null) {
new Thread(new Runnable() {
@Override
public void run() {
try {
final Object jsonResponse = parseResponse(responseBytes);
postRunnable(new Runnable() {
@Override
public void run() {
if (jsonResponse instanceof JSONObject) {
onFailure(statusCode, headers, throwable, (JSONObject) jsonResponse);
} else if (jsonResponse instanceof JSONArray) {
onFailure(statusCode, headers, throwable, (JSONArray) jsonResponse);
} else if (jsonResponse instanceof String) {
onFailure(statusCode, headers, (String) jsonResponse, throwable);
} else {
onFailure(statusCode, headers, new JSONException("Unexpected response type " + jsonResponse.getClass().getName()), (JSONObject) null);
}
}
});
} catch (final JSONException ex) {
postRunnable(new Runnable() {
@Override
public void run() {
onFailure(statusCode, headers, ex, (JSONObject) null);
}
});
}
}
}).start();
} else {
Log.v(LOG_TAG, "response body is null, calling onFailure(Throwable, JSONObject)");
onFailure(statusCode, headers, throwable, (JSONObject) null);
}
}
/**
* Returns Object of type {@link JSONObject}, {@link JSONArray}, String, Boolean, Integer, Long,
* Double or {@link JSONObject#NULL}, see {@link org.json.JSONTokener#nextValue()}
*
* @param responseBody response bytes to be assembled in String and parsed as JSON
* @return Object parsedResponse
* @throws org.json.JSONException exception if thrown while parsing JSON
*/
protected Object parseResponse(byte[] responseBody) throws JSONException {
if (null == responseBody)
return null;
Object result = null;
//trim the string to prevent start with blank, and test if the string is valid JSON, because the parser don't do this :(. If Json is not valid this will return null
String jsonString = getResponseString(responseBody, getCharset());
if (jsonString != null) {
jsonString = jsonString.trim();
if (jsonString.startsWith("{") || jsonString.startsWith("[")) {
result = new JSONTokener(jsonString).nextValue();
}
}
if (result == null) {
result = jsonString;
}
return result;
}
/**
* Attempts to encode response bytes as string of set encoding
*
* @param charset charset to create string with
* @param stringBytes response bytes
* @return String of set encoding or null
*/
public static String getResponseString(byte[] stringBytes, String charset) {
try {
return stringBytes == null ? null : new String(stringBytes, charset);
} catch (UnsupportedEncodingException e) {
Log.e(LOG_TAG, "Encoding response into string failed", e);
return null;
}
}
}Now if another HTTP 500 server error or other (non-JSON output string) will appear directly to page content server pop-up dialog box, easy to debug, and now only be the case, other new releases then converted under the bar!
Reproduced in: https: //my.oschina.net/zhouz/blog/213156