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我想顯示該用戶名和密碼不匹配，如果我填寫了錯誤的用戶名和密碼。在按鈕上點擊正確的名稱和密碼即可正常工作，並顯示消息登錄成功，但其他條件不起作用。我錯在哪裏？告訴我如何解決此問題並顯示消息用戶名或密碼不匹配。在Android中登錄錯誤
LogIn.java
private class SigIn extends AsyncTask<String, String, String[]> {
private final Context _context;
public SigIn(Context context){
_context = context;
}
ProgressDialog pDialog = new ProgressDialog(LoginActivity.this);
@SuppressWarnings("deprecation")
@SuppressLint("WorldReadableFiles")
@Override
protected String[] doInBackground(final String... params)
{
ConnectivityManager conMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
if (conMgr.getActiveNetworkInfo() != null
&& conMgr.getActiveNetworkInfo().isAvailable()
&& conMgr.getActiveNetworkInfo().isConnected())
{
HttpClient httpclient = new DefaultHttpClient();
try
{
pDialog.setMessage("Please wait signing in...");
runOnUiThread(new Runnable()
{
public void run()
{
pDialog.show();
}
});
JSONObject job= new JSONObject();
euid = uedit.getText().toString();
epass = pedit.getText().toString();
euid.replace("" ,"%20");
epass.replace("" ,"%20");
job.put("status_key","2");
job.put("method", "login");
job.put("email", euid);
job.put("password",epass);
/*
System.out.print("latitude is "+latitude);
job.put("latitude",latitude);
job.put("longitude",longitude);*/
StringEntity se = new StringEntity(job.toString());
HttpPost httppost = new HttpPost("http://suntechwebsolutions.com/clients/mobileapp_now/webservice.php");
httppost.setEntity(se);
HttpResponse response = httpclient.execute(httppost);
String data = EntityUtils.toString(response.getEntity());
System.out.println("response "+data);
JSONObject jo = new JSONObject(data);
Log.d("response", jo.toString(4));
JSONArray jArray = jo.getJSONArray("driver_details");
Log.d("Array", jArray.toString(4));
JSONObject adv= jo.getJSONObject("advertisement_count");
advertisement_count=adv.getString("count(*)");
System.out.print("advertisemnet"+advertisement_count);
for (int i=0; i < jArray.length(); i++)
{
try {
JSONObject jsob = jArray.getJSONObject(i);
mfname = jsob.getString("first_name");
msname = jsob.getString("Surname");
mun = jsob.getString("unit_no");
mstreet = jsob.getString("street_name");
msuburb = jsob.getString("Suburb");
mstate = jsob.getString("State");
mpassword = jsob.getString("password");
mpostcode = jsob.getString("post_code");
mlicense = jsob.getString("driving_lic");
mid = jsob.getString("authority_id");
mmobile = jsob.getString("mobile_no");
memail = jsob.getString("Email");
login_token=jsob.getString("login_token");
mimagelicense=jsob.getString("license_pic");
mauthcard=jsob.getString("audit_card_pic");
mpic=jsob.getString("face_pic");
} catch (JSONException e) {
e.printStackTrace();
}
}
pref=getSharedPreferences("Driver", MODE_WORLD_READABLE);
SharedPreferences.Editor edit=pref.edit();
edit.putString("mfname", mfname);
edit.putString("msname", msname);
edit.putString("mun", mun);
edit.putString("mstreet", mstreet);
edit.putString("msuburb", msuburb);
edit.putString("mpassword", mpassword);
edit.putString("mpostcode", mpostcode);
edit.putString("mlicense", mlicense);
edit.putString("mid", mid);
edit.putString("mmobile", mmobile);
edit.putString("memail", memail);
edit.putString("login_token", login_token);
edit.putString("mimagelicense", mimagelicense);
edit.putString("mauthcard", mauthcard);
edit.putString("mpic", mpic);
edit.putString("advertisement_count", advertisement_count);
edit.commit();
if(jo.getString("err-code").equals("0"))
{
final AlertDialog.Builder alert = new AlertDialog.Builder(LoginActivity.this);
alert.setTitle("Login !!!");
//alert.setTitle("Login unsuccessfull !");
alert.setMessage(jo.getString("message"));
//alert.setMessage("Username and password does not match.");
alert.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton)
{
pDialog.dismiss();
dialog.dismiss();
/*Intent tabint = new Intent(getApplicationContext(),agreement.class);
startActivity(tabint);*/
Intent tabint = new Intent(getApplicationContext(),agreement.class);
startActivity(tabint);
}
});
runOnUiThread(new Runnable() {
public void run() {
alert.show();
}
});
}
else if(jo.getString("err-code").equals("300"))
{
final AlertDialog.Builder alert = new AlertDialog.Builder(LoginActivity.this);
alert.setTitle("Login!!!");
alert.setMessage(jo.getString("message"));
alert.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton)
{
pDialog.dismiss();
dialog.dismiss();
//Intent tabint = new Intent(getApplicationContext(),agreement.class);
// startActivity(tabint);
}
});
runOnUiThread(new Runnable() {
public void run() {
alert.show();
}
});
}
else
{
final AlertDialog.Builder alert = new AlertDialog.Builder(LoginActivity.this);
alert.setTitle("Alert !");
alert.setMessage(jo.getString("message"));
alert.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
dialog.dismiss();
}
});
runOnUiThread(new Runnable()
{
public void run()
{
pDialog.dismiss();
alert.show();
}
});
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
return params;
}
不同的用戶名和密碼登錄後，它會給我的錯誤日誌貓一樣：
-10 03:41:20.550: W/System.err(32253): org.json.JSONException: No value for driver_details
06-10 03:41:20.560: W/System.err(32253): at org.json.JSONObject.get(JSONObject.java:355)
06-10 03:41:20.560: W/System.err(32253): at org.json.JSONObject.getJSONArray(JSONObject.java:549)
06-10 03:41:20.560: W/System.err(32253): at com.sunmobileappnow.mobileappnow.LoginActivity$SigIn.doInBackground(LoginActivity.java:263)
06-10 03:41:20.560: W/System.err(32253): at com.sunmobileappnow.mobileappnow.LoginActivity$SigIn.doInBackground(LoginActivity.java:1)
06-10 03:41:20.560: W/System.err(32253): at android.os.AsyncTask$2.call(AsyncTask.java:288)
06-10 03:41:20.560: W/System.err(32253): at java.util.concurrent.FutureTask.run(FutureTask.java:237)
06-10 03:41:20.560: W/System.err(32253): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
06-10 03:41:20.570: W/System.err(32253): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
06-10 03:41:20.570: W/System.err(32253): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
o rg.json.JSONException：沒有driver_details的值， –
http://www.json.org/javadoc/org/json/JSONObject.html#getJSONArray(java.lang.String） – ben75
我該如何解決這個問題。 – user3725779