我正在运行一个问题，我需要将我的注册ID解析到我的服务器抛出API，我在启动屏幕活动中获取我的注册ID，并在我将该值传递给登录活动之后。在登录活动中，我将注册ID添加到共享首选项，并尝试通过从共享首选项获取保存的值来在doinbackground中发送值。解析第一次成功从共享首选项获取注册ID但当我注销并尝试再次登录时，我的注册ID正在解析默认值“id”。
Loginactivity.java
package com.driverapp.inis.zuber;
import android.content.Intent;
import android.location.Location;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.List;
import Connectivity_manager.Httpmanager;
import Connectivity_manager.Internet_CheckingActivity;
import Session_manager.SessionManager;
import UI_Alert.AlertDialogManager;
import UI_Alert.TransparentProgressDialog;
public class LoginActivity extends AppCompatActivity {
private Button btnlogin;
private EditText txtusername;
private EditText txtpassword;
private String userName;
private String message;
private String userid;
private JSONArray login_data = null;
private Internet_CheckingActivity chckInternt;
private TransparentProgressDialog pDialog;
private static final String URL_Login = "http://myapi;
private static final String TAG_MESSAGE = "message";
private static final String TAG_username = "username";
private static final String TAG_password = "password";
SessionManager msessionManager;
private AlertDialogManager alert;
private Location newLocation = null;
private static final String TAG = "SplashScreenActivity";
private GeoLocationFinder geoLocationFinder;
private static final String TAG_regid = "gcm_regid";
private String regid;
private String regId = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
alert = new AlertDialogManager();
chckInternt = new Internet_CheckingActivity(this);
txtusername = (EditText) findViewById(R.id.lusername);
txtpassword = (EditText) findViewById(R.id.lpassword);
btnlogin = (Button) findViewById(R.id.loginbtn);
msessionManager = new SessionManager(getApplicationContext());
btnlogin.setOnClickListener(mbtnLogin);
regid= getIntent().getStringExtra("regig");
msessionManager.setregid("registrationid",regid);
regId = msessionManager.getregistration("registrationid","id");
// if (SERVER_URL == null || SENDER_ID == null || SERVER_URL.length() == 0
// || SENDER_ID.length() == 0) {
// // GCM sernder id / server url is missing
// alert.showAlertDialog(LoginActivity.this, "Configuration Error!",
// "Please set your Server URL and GCM Sender ID", false);
// // stop executing code by return
// return;
// }
}
@Override
public void onBackPressed() {
startActivity(new Intent(this, Splashscreen.class));
}
private View.OnClickListener mbtnLogin = new View.OnClickListener() {
@Override
public void onClick(View v) {
if (chckInternt.isNetworkAvailable() == true) {
if (txtusername.getText().toString().isEmpty() || txtpassword.getText().toString().isEmpty()) {
alert.showAlertDialog(LoginActivity.this, "Login failed", "Both Username and Password required", false);
txtusername.setText("");
txtpassword.setText("");
} else {
setupLocation();
}
} else {
alert.showAlertDialog(LoginActivity.this, "Login failed", "Please check your internet Connection and Retry Again", false);
txtusername.setText("");
txtpassword.setText("");
}
}
};
private void setupLocation() {
GeoLocationFinder.LocationResult locationResult = new GeoLocationFinder.LocationResult() {
@Override
public void gotLocation(Location location) {
if (location != null) {
newLocation = new Location(location);
newLocation.set(location);
Log.d(TAG,
"Got coordinates, congratulations. Longitude = "
+ newLocation.getLongitude() + " Latitude = "
+ newLocation.getLatitude());
new Handler(Looper.getMainLooper()).post(new Runnable() {
@Override
public void run() {
new AttemptLogin().execute();
}
});
} else {
new Handler(Looper.getMainLooper()).post(new Runnable() {
@Override
public void run() {
alert.showAlertDialog(LoginActivity.this, "Check Your GPS", "Restart your Application", false);
}
});
}
}
};
geoLocationFinder = new GeoLocationFinder();
geoLocationFinder.getLocation(this, locationResult);
}
@Override
protected void onPause() {
super.onPause();
txtusername.setText("");
txtpassword.setText("");
}
class AttemptLogin extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new TransparentProgressDialog(LoginActivity.this,R.drawable.spinner);
pDialog.setCancelable(Boolean.FALSE);
pDialog.show();
}
@Override
protected Void doInBackground(Void... params) {
Httpmanager hm = new Httpmanager();
final String username = txtusername.getText().toString();
String password = txtpassword.getText().toString();
List params1 = new ArrayList();
params1.add(new BasicNameValuePair(TAG_username, username));
params1.add(new BasicNameValuePair(TAG_password, password));
params1.add(new BasicNameValuePair(TAG_regid, regId));
Log.d("regid", regId);
String jsonstr = hm.makeServiceCall(URL_Login, Httpmanager.post, params1);
Log.d("Response: ", "> " + jsonstr);
if (jsonstr != null) {
try {
JSONObject jsonObject = new JSONObject(jsonstr);
if (jsonObject.getString("hasError").equals("1")) {
message = jsonObject.getString(TAG_MESSAGE);
runOnUiThread(new Runnable() {
public void run() {
alert.showAlertDialog(LoginActivity.this, "Alert", message, false);
}
});
}
else {
message = jsonObject.getString(TAG_MESSAGE);
login_data = jsonObject.getJSONArray("data");
for (int i = 0; i < login_data.length(); i++) {
JSONObject l = login_data.getJSONObject(i);
userName = l.getString("username");
userid = l.getString("userid");
msessionManager.createLoginSession(userName, userid);
Intent intent = new Intent(LoginActivity.this, DefaultMAP.class);
runOnUiThread(new Runnable() {
public void run() {
Toast.makeText(getApplicationContext(), message + userName, Toast.LENGTH_LONG).show();
}
});
startActivity(intent);
finish();
}
}
} catch (JSONException e) {
e.printStackTrace();
}
}
else
{
Log.e("HttpManager", "Couldn't get any data from the url");
runOnUiThread(new Runnable() {
public void run() {
Toast.makeText(getApplicationContext(),"Please check your internet Connection and Retry Again", Toast.LENGTH_LONG).show();
}
});
}
return null;
}
@Override
protected void onPostExecute(Void file_url) {
pDialog.dismiss();
txtusername.setText("");
txtpassword.setText("");
}
}
}
Splashscreen.java
package com.driverapp.inis.zuber;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.location.Location;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import android.view.View;
import android.widget.RelativeLayout;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.gcm.GoogleCloudMessaging;
import java.io.IOException;
import Connectivity_manager.Internet_CheckingActivity;
import UI_Alert.AlertDialogManager;
public class Splashscreen extends Activity {
private static final String TAG = "SplashScreenActivity";
private static final String TAG1 = "lifecycle";
private Location newLocation = null;
private AlertDialogManager alert;
private Internet_CheckingActivity chckInternt;
private GeoLocationFinder geoLocationFinder;
private final static int PLAY_SERVICES_RESOLUTION_REQUEST = 9000;
public static final String EXTRA_MESSAGE = "message";
public static final String PROPERTY_REG_ID = "registration_id";
private static final String PROPERTY_APP_VERSION = "appVersion";
protected String SENDER_ID = "525761298572";
private GoogleCloudMessaging gcm = null;
private String regid = null;
private Context context = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_splashscreen);
alert = new AlertDialogManager();
chckInternt = new Internet_CheckingActivity(this);
Log.d(TAG1, "oncreate");
context = getApplication();
if (checkPlayServices()) {
gcm = GoogleCloudMessaging.getInstance(this);
regid = getRegistrationId(context);
if (regid.isEmpty()) {
registerInBackground();
} else {
Log.d(TAG, "No valid Google Play Services APK found.");
}
}
}
@Override
public void onBackPressed() {
restart();
}
@Override
protected void onResume() {
super.onResume();
Log.d(TAG1, "onresume");
// setupLocation();
if (chckInternt.isNetworkAvailable() == true) {
setupLocation();
} else {
alert.showAlertDialog(Splashscreen.this, "Error", "Please Check Your Internet Connection", false);
}
checkPlayServices();
}
/**
* Method for checking the current lat log values.
*/
private void setupLocation() {
GeoLocationFinder.LocationResult locationResult = new GeoLocationFinder.LocationResult() {
@Override
public void gotLocation(Location location) {
if (location != null) {
newLocation = new Location(location);
newLocation.set(location);
Log.d(TAG,
"Got coordinates, congratulations. Longitude = "
+ newLocation.getLongitude() + " Latitude = "
+ newLocation.getLatitude());
Intent i = new Intent(Splashscreen.this, DefaultMAP.class);
startActivity(i);
finish();
} else {
new Handler(Looper.getMainLooper()).post(new Runnable() {
@Override
public void run() {
alert.showAlertDialog(Splashscreen.this, "Check Your GPS", "Restart your Application", false);
}
});
}
}
};
geoLocationFinder = new GeoLocationFinder();
geoLocationFinder.getLocation(this, locationResult);
RelativeLayout root = (RelativeLayout) findViewById(R.id.splash);
root.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
restart();
}
});
}
public void restart() {
Intent rIntent = getBaseContext().getPackageManager()
.getLaunchIntentForPackage(getBaseContext().getPackageName());
rIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(rIntent);
}
@Override
protected void onPause() {
super.onPause();
Log.d(TAG1, "onpause");
}
@Override
protected void onStart() {
super.onStart();
Log.d(TAG1, "onstart");
}
private boolean checkPlayServices() {
int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
if (resultCode != ConnectionResult.SUCCESS) {
if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) {
GooglePlayServicesUtil.getErrorDialog(resultCode, this,
PLAY_SERVICES_RESOLUTION_REQUEST).show();
} else {
Log.d(TAG, "This device is not supported - Google Play Services.");
finish();
}
return false;
}
return true;
}
private String getRegistrationId(Context context) {
final SharedPreferences prefs = getGCMPreferences(context);
String registrationId = prefs.getString(PROPERTY_REG_ID, "");
if (registrationId.isEmpty()) {
Log.d(TAG, "Registration ID not found.");
return "";
}
int registeredVersion = prefs.getInt(PROPERTY_APP_VERSION, Integer.MIN_VALUE);
int currentVersion = getAppVersion(context);
if (registeredVersion != currentVersion) {
Log.d(TAG, "App version changed.");
return "";
}
return registrationId;
}
private SharedPreferences getGCMPreferences(Context context) {
return getSharedPreferences(Splashscreen.class.getSimpleName(),
Context.MODE_PRIVATE);
}
private static int getAppVersion(Context context) {
try {
PackageInfo packageInfo = context.getPackageManager()
.getPackageInfo(context.getPackageName(), 0);
return packageInfo.versionCode;
} catch (PackageManager.NameNotFoundException e) {
throw new RuntimeException("Could not get package name: " + e);
}
}
private void registerInBackground() {
new AsyncTask() {
@Override
protected Object doInBackground(Object... params) {
try {
if (gcm == null) {
gcm = GoogleCloudMessaging.getInstance(context);
}
regid = gcm.register(SENDER_ID);
Log.d(TAG, "Current Device's Registration ID is: " + regid);
} catch (IOException ex) {
regid = "Error :" + ex.getMessage();
}
return null;
}
protected void onPostExecute(Object result) {
Intent myIntent = new Intent(Splashscreen.this, LoginActivity.class);
myIntent.putExtra("regig", regid);
Splashscreen.this.startActivity(myIntent);
};
} .execute(null,null,null);
}
}
Sessionmanager.java
package Session_manager;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.preference.PreferenceManager;
import com.driverapp.inis.zuber.LoginActivity;
import com.driverapp.inis.zuber.Splashscreen;
import java.util.HashMap;
public class SessionManager {
// Shared Preferences
SharedPreferences pref;
// Editor for Shared preferences
Editor editor;
// Context
Context _context;
// Shared pref mode
int PRIVATE_MODE = 0;
// Sharedpref file name
private static final String PREF_NAME = "name";
// All Shared Preferences Keys
private static final String IS_LOGIN = "IsLoggedIn";
// User name (make variable public to access from outside)
public static final String KEY_NAME = "username";
// Reg Id for GCM (make variable public to access from outside)
public static final String KEY_Regid = "regid";
public static final String KEY_ID = "userid";
//trip id
public static final String Key_trip = "trip_id";
// Constructor
public SessionManager(Context context){
this._context = context;
pref = PreferenceManager.getDefaultSharedPreferences(_context);//_context.getSharedPreferences(PREF_NAME, PRIVATE_MODE);
editor = pref.edit();
}
/**
* Create login session
* */
public void createLoginSession(String name, String id){
// Storing login value as TRUE
editor.putBoolean(IS_LOGIN, true);
// Storing name in pref
editor.putString(KEY_NAME, name);
// Storing id in pref
editor.putString(KEY_ID, id);
// commit changes
editor.commit();
}
//create trip id
public void tripid(String tid){
editor.putString(Key_trip,tid);
editor.commit();
}
//get stored data for trip id
public HashMap<String,String> gettripid(){
HashMap<String,String>tid = new HashMap<String,String>();
tid.put(Key_trip,pref.getString(Key_trip,null));
return tid;
}
/**
* Create RegId session
* */
public void createRegIdSession(String regid){
// // Storing login value as TRUE
// editor.putBoolean(IS_LOGIN, true);
// Storing name in pref
editor.putString(KEY_Regid, regid);
// commit changes
editor.commit();
}
/**
* Check login method wil check user login status
* If false it will redirect user to login page
* Else won't do anything
* */
public void checkLogin(){
// Check login status
if(!this.isLoggedIn()){
// user is not logged in redirect him to Login Activity
Intent i = new Intent(_context, LoginActivity.class);
// Closing all the Activities
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
// Add new Flag to start new Activity
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// Staring Login Activity
_context.startActivity(i);
}
}
/**
* Get stored session data
* */
public HashMap<String, String> getUserDetails(){
HashMap<String, String> user = new HashMap<String, String>();
HashMap<String, String> id = new HashMap<String, String>();
// user name
user.put(KEY_NAME, pref.getString(KEY_NAME, null));
// user email id
user.put(KEY_ID, pref.getString(KEY_ID, null));
// return user
return user;
}
/**
* Get stored session data for regid
* */
public HashMap<String, String> getUserregidDetails(){
HashMap<String, String> user = new HashMap<String, String>();
// user name
user.put(KEY_Regid, pref.getString(KEY_Regid, null));
return user;
}
/**
* Clear session details
* */
public void logoutUser(){
// Clearing all data from Shared Preferences
editor.clear();
editor.commit();
// After logout redirect user to Loing Activity
Intent i = new Intent(_context, Splashscreen.class);
// Closing all the Activities
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
// Add new Flag to start new Activity
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// Staring Login Activity
_context.startActivity(i);
}
/**
* Quick check for login
* **/
// Get Login State
public boolean isLoggedIn(){
return pref.getBoolean(IS_LOGIN, false);
}
public String getString(String key, String defaultVal){
return pref.getString(key, defaultVal);
}
public String getregistration(String key, String dvalue){
return pref.getString(key,dvalue);
}
public void setregid(String key,String value){
Editor editor1 = pref.edit();
editor1.putString(key, value);
// editor.apply();
editor1.commit();
}
public void setString(String key, String value){
Editor e = pref.edit();
e.putString(key, value);
e.apply();
}
}