我正在尝试在SheredPreference中保存facebook AccessToken，并使用该令牌登录，但是当我尝试.....时应用程序崩溃了 我正在尝试在SheredPreference中保存facebook AccessToken，并使用该令牌登录，但是当我尝试时应用程序崩溃 这是我的代码，但没有工作
package com.fit.android;
import java.sql.Date;
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.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import com.facebook.AccessToken;
import com.facebook.AccessTokenSource;
import com.facebook.Request;
import com.facebook.Response;
import com.facebook.Session;
import com.facebook.SessionState;
import com.facebook.model.GraphUser;
public class Login_activity extends Activity implements OnClickListener {
Button login;
Button logout;
Button loginToken;
int brojac=0;
SharedPreferences sp;
AccessToken token;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login_activity);
login=(Button)findViewById(R.id.login);
logout=(Button)findViewById(R.id.logout);
login.setOnClickListener(this);
logout.setOnClickListener(this);
loginToken=(Button)findViewById(R.id.token);
loginToken.setOnClickListener(this);
sp=getPreferences(MODE_PRIVATE);
String access_token=sp.getString("access_token", null);
String expires=sp.getString("access_expires",null);
if (access_token!=null && expires!=null){
token.createFromExistingAccessToken(access_token,Date.valueOf(expires), null, AccessTokenSource.TEST_USER, null);
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Session.getActiveSession().onActivityResult(this, requestCode, resultCode, data);
//TextView welcome = (TextView) findViewById(R.id.textView1);
// welcome.setText("Hello ASDFASDF");
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch(v.getId()){
case R.id.login:
if (token!=null){
Session.openActiveSessionWithAccessToken(this,token,new Session.StatusCallback() {
// callback when session changes state
@Override
public void call(final Session session, SessionState state, Exception exception) {
if (session.isOpened()) {
// make request to the /me API
Request.executeMeRequestAsync(session, new Request.GraphUserCallback() {
// callback after Graph API response with user object
@Override
public void onCompleted(GraphUser user, Response response) {
if (user != null) {
TextView welcome = (TextView) findViewById(R.id.textView1);
brojac++;
welcome.setText("Hello " + user.getName() + "!"+ "brojac:"+brojac);
}
}
});
}
}
});
}
else
{
Session.openActiveSession(this, true, new Session.StatusCallback() {
// callback when session changes state
@Override
public void call(final Session session, SessionState state, Exception exception) {
if (session.isOpened()) {
// make request to the /me API
Request.executeMeRequestAsync(session, new Request.GraphUserCallback() {
// callback after Graph API response with user object
@Override
public void onCompleted(GraphUser user, Response response) {
if (user != null) {
TextView welcome = (TextView) findViewById(R.id.textView1);
brojac++;
welcome.setText("Hello " + user.getName() + "!"+ "brojac:"+brojac);
//sprema u shared pref
Editor editor = sp.edit();
editor.putString("access_token",session.getAccessToken());
editor.putString("access_expires",session.getExpirationDate().toString());
editor.commit();
}
}
});
}
}
});
}
break;
case R.id.logout:
Session.getActiveSession().closeAndClearTokenInformation();
break;
}
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
this.onDestroy();
}
}
Logcat：
12-29 19:16:32.316: E/AndroidRuntime(1118): FATAL EXCEPTION: main
12-29 19:16:32.316: E/AndroidRuntime(1118): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.fit.android/com.fit.android.Login_activity}: java.lang.IllegalArgumentException
12-29 19:16:32.316: E/AndroidRuntime(1118): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)
12-29 19:16:32.316: E/AndroidRuntime(1118): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
12-29 19:16:32.316: E/AndroidRuntime(1118): at android.app.ActivityThread.access$600(ActivityThread.java:141)
12-29 19:16:32.316: E/AndroidRuntime(1118): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
12-29 19:16:32.316: E/AndroidRuntime(1118): at android.os.Handler.dispatchMessage(Handler.java:99)
12-29 19:16:32.316: E/AndroidRuntime(1118): at android.os.Looper.loop(Looper.java:137)
12-29 19:16:32.316: E/AndroidRuntime(1118): at android.app.ActivityThread.main(ActivityThread.java:5039)
12-29 19:16:32.316: E/AndroidRuntime(1118): at java.lang.reflect.Method.invokeNative(Native Method)
12-29 19:16:32.316: E/AndroidRuntime(1118): at java.lang.reflect.Method.invoke(Method.java:511)
12-29 19:16:32.316: E/AndroidRuntime(1118): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
12-29 19:16:32.316: E/AndroidRuntime(1118): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
12-29 19:16:32.316: E/AndroidRuntime(1118): at dalvik.system.NativeStart.main(Native Method)
12-29 19:16:32.316: E/AndroidRuntime(1118): Caused by: java.lang.IllegalArgumentException
12-29 19:16:32.316: E/AndroidRuntime(1118): at java.sql.Date.valueOf(Date.java:226)
12-29 19:16:32.316: E/AndroidRuntime(1118): at com.fit.android.Login_activity.onCreate(Login_activity.java:53)
12-29 19:16:32.316: E/AndroidRuntime(1118): at android.app.Activity.performCreate(Activity.java:5104)
12-29 19:16:32.316: E/AndroidRuntime(1118): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
12-29 19:16:32.316: E/AndroidRuntime(1118): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
12-29 19:16:32.316: E/AndroidRuntime(1118): ... 11 more
答案 0 :(得分：4)
以下是解决方案：
以这种方式1-Parse Date：
Date date=null;
try {
date = new SimpleDateFormat("MMMM d, yyyy", Locale.ENGLISH).parse(expires);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
2-Init AccessToken：
if (access_token!=null && expires!=null){
token= AccessToken.createFromExistingAccessToken(access_token,date, null, AccessTokenSource.TEST_USER, null);
}
在此之后一切都按预期工作。 我希望它会帮助别人。