Facebook AccessTokenをSheredPreferenceに保存し、後でそのトークンを使用してログインしようとしていますが、そうするとアプリケーションがクラッシュします。
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 LoginActivity extends Activity implements OnClickListener {
Button login;
Button logout;
Button loginToken;
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);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.login:
if (token != null) {
Session.openActiveSessionWithAccessToken(this, token, new Session.StatusCallback() {
@Override
public void call(final Session session, SessionState state, Exception exception) {
if (session.isOpened()) {
Request.executeMeRequestAsync(session, new Request.GraphUserCallback() {
@Override
public void onCompleted(GraphUser user, Response response) {
if (user != null) {
TextView welcome = (TextView) findViewById(R.id.textView1);
welcome.setText("Hello " + user.getName());
}
}
});
}
}
});
} else {
Session.openActiveSession(this, true, new Session.StatusCallback() {
@Override
public void call(final Session session, SessionState state, Exception exception) {
if (session.isOpened()) {
Request.executeMeRequestAsync(session, new Request.GraphUserCallback() {
@Override
public void onCompleted(GraphUser user, Response response) {
if (user != null) {
TextView welcome = (TextView) findViewById(R.id.textView1);
welcome.setText("Hello " + user.getName());
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;
}
}
}
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