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這段代碼的功能是將用戶註冊到gcm的服務器,並將其註冊到我的服務器以添加到mysql數據庫中。它也寫入用戶偏好。在完成在gcm服務器和我的服務器上創建用戶之後,該應用意外停止。請幫助我?這個活動爲什麼會意外關閉我的android?
package com.package.name;
import static com.package.name.CommonUtilities.SENDER_ID;
import static com.package.name.CommonUtilities.SERVER_URL;
import java.util.Random;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class RegisterActivity extends Activity {
// alert dialog manager
AlertDialogManager alert = new AlertDialogManager();
// Internet detector
ConnectionDetector cd;
// UI elements
EditText txtName;
EditText txtEmail;
// Register button
Button btnRegister;
// Session Manager Class
SessionManager session;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
// Session Manager
session = new SessionManager(getApplicationContext());
cd = new ConnectionDetector(getApplicationContext());
session.checkLogin();
// Check if Internet present
if (!cd.isConnectingToInternet()) {
// Internet Connection is not present
alert.showAlertDialog(RegisterActivity.this,
"Internet Connection Error",
"Please connect to working Internet connection", false);
// stop executing code by return
return;
}
// Check if GCM configuration is set
if (SERVER_URL == null || SENDER_ID == null || SERVER_URL.length() == 0
|| SENDER_ID.length() == 0) {
// GCM sernder id/server url is missing
alert.showAlertDialog(RegisterActivity.this, "Configuration Error!",
"Please set your Server URL and GCM Sender ID", false);
// stop executing code by return
return;
}
txtName = (EditText) findViewById(R.id.txtName);
txtEmail = (EditText) findViewById(R.id.txtEmail);
btnRegister = (Button) findViewById(R.id.btnRegister);
/*
* Click event on Register button
* */
btnRegister.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// Read EditText dat
String name = txtName.getText().toString();
String email = txtEmail.getText().toString();
// Check if user filled the form
if(name.trim().length() > 0 && email.trim().length() > 0){
// Launch Main Activity
Intent i = new Intent(getApplicationContext(), MainActivity.class);
// Registering user on our server
// Sending registraiton details to MainActivity
i.putExtra("name", name);
i.putExtra("email", email);
session.registerEntry();
SharedPreferences pref = getApplicationContext().getSharedPreferences("A4APrefs", 0); // 0 - for private mode
Editor editor = pref.edit();
Random r = new Random();
int pairId = r.nextInt(999999-100000) + 100000;
editor.putInt("conId", pairId); // Storing integer
editor.commit(); // commit changes
startActivity(i);
finish();
}else{
// user doen't filled that data
// ask him to fill the form
alert.showAlertDialog(RegisterActivity.this, "Registration Error!", "Please enter your details", false);
}
}
});
}
}
爲什麼此活動在運行一次後關閉?我對android非常陌生,對它不瞭解。
錯誤LogCat是如下。
06-19 23:26:03.007: E/GCMRegistrar(29350): internal error: retry receiver class not set yet
06-19 23:26:03.071: E/URL(29350): > http://some.com/gcm/register.php
06-19 23:26:04.049: E/AndroidRuntime(29350): FATAL EXCEPTION: IntentService[GCMIntentService-950252240713-2]
06-19 23:26:04.049: E/AndroidRuntime(29350): java.lang.NullPointerException
06-19 23:26:04.049: E/AndroidRuntime(29350): at com.package.name.GCMIntentService.generateNotification(GCMIntentService.java:90)
06-19 23:26:04.049: E/AndroidRuntime(29350): at com.package.name.GCMIntentService.onMessage(GCMIntentService.java:48)
06-19 23:26:04.049: E/AndroidRuntime(29350): at com.google.android.gcm.GCMBaseIntentService.onHandleIntent(GCMBaseIntentService.java:223)
06-19 23:26:04.049: E/AndroidRuntime(29350): at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:65)
06-19 23:26:04.049: E/AndroidRuntime(29350): at android.os.Handler.dispatchMessage(Handler.java:99)
06-19 23:26:04.049: E/AndroidRuntime(29350): at android.os.Looper.loop(Looper.java:154)
06-19 23:26:04.049: E/AndroidRuntime(29350): at android.os.HandlerThread.run(HandlerThread.java:65)
06-19 23:26:05.056: E/UnRegister Receiver Error(29350): > Receiver not registered: [email protected]
而且按照logcat的這條線GCMIntent正在創建錯誤:
String[] separated = mmessage.split("::");
String epurl = separated[2];
String message = separated[1];
String ntitle = separated[0];
我認爲解決方案將通過轉換這些字符串來解決,只有當他們包含「::」在其中,你能幫我嗎?
請從logcat堆棧跟蹤。 – Simon
把Logcat,幫助更好地解決它。 – iMBMT
我在 –