ユーザーが Google を使用してログインしようとするアプリを作成しようとしています。さらに、このトースト エラーが発生します。an internal error occurredこれは logCat から:
10-17 11:28:13.456: W/dalvikvm(18602): threadid=1: thread exiting with uncaught exception (group=0x2b542210)
10-17 11:28:13.486: E/AndroidRuntime(18602): FATAL EXCEPTION: main
10-17 11:28:13.486: E/AndroidRuntime(18602): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=9000, result=0, data=null} to activity {com.myapp.gamers/com.myapp.gamers.activities.SignUp}: java.lang.NullPointerException
10-17 11:28:13.486: E/AndroidRuntime(18602): at android.app.ActivityThread.deliverResults(ActivityThread.java:3000)
10-17 11:28:13.486: E/AndroidRuntime(18602): at android.app.ActivityThread.handleSendResult(ActivityThread.java:3043)
10-17 11:28:13.486: E/AndroidRuntime(18602): at android.app.ActivityThread.access$1100(ActivityThread.java:127)
10-17 11:28:13.486: E/AndroidRuntime(18602): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1188)
10-17 11:28:13.486: E/AndroidRuntime(18602): at android.os.Handler.dispatchMessage(Handler.java:99)
10-17 11:28:13.486: E/AndroidRuntime(18602): at android.os.Looper.loop(Looper.java:137)
10-17 11:28:13.486: E/AndroidRuntime(18602): at android.app.ActivityThread.main(ActivityThread.java:4441)
10-17 11:28:13.486: E/AndroidRuntime(18602): at java.lang.reflect.Method.invokeNative(Native Method)
10-17 11:28:13.486: E/AndroidRuntime(18602): at java.lang.reflect.Method.invoke(Method.java:511)
10-17 11:28:13.486: E/AndroidRuntime(18602): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
10-17 11:28:13.486: E/AndroidRuntime(18602): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
10-17 11:28:13.486: E/AndroidRuntime(18602): at dalvik.system.NativeStart.main(Native Method)
10-17 11:28:13.486: E/AndroidRuntime(18602): Caused by: java.lang.NullPointerException
10-17 11:28:13.486: E/AndroidRuntime(18602): at com.myapp.gamers.activities.SignUp.onActivityResult(SignUp.java:411)
10-17 11:28:13.486: E/AndroidRuntime(18602): at android.app.Activity.dispatchActivityResult(Activity.java:4649)
10-17 11:28:13.486: E/AndroidRuntime(18602): at android.app.ActivityThread.deliverResults(ActivityThread.java:2996)
10-17 11:28:13.486: E/AndroidRuntime(18602): ... 11 more
そして、これは私の完全なコードです（長いコードで申し訳ありませんが、説明するのに最適な方法だと思います）：
private Button facebookBtn, signUp;
private ImageView menu;
private FBLoginManager fbLoginManager;
// private EditText emailEt, passwordEt;
private SlidingMenu slidingMenu;
private User user;
// private CheckBox licence;
private int userID;
String test;
private static final int REQUEST_CODE_RESOLVE_ERR = 9000;
private ProgressDialog mConnectionProgressDialog;
private PlusClient mPlusClient;
private ConnectionResult mConnectionResult;
private SignInButton signupButtonPlus;
public final String KODEFUNFBAPP_ID = "736233383069948";
static final String[] SCOPES = new String[] { Scopes.PLUS_PROFILE };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.signup);
mPlusClient = new PlusClient.Builder(this, this, this)
.setVisibleActivities("http://schemas.google.com/AddActivity",
"http://schemas.google.com/BuyActivity")
.setScopes(SCOPES) // Space separated list of scopes
.build();
initWidgets();
}
private void initWidgets() {
// licence = (CheckBox) findViewById(R.id.signup_checkbox);
mConnectionProgressDialog = new ProgressDialog(this);
mConnectionProgressDialog.setMessage("Signing in...");
signupButtonPlus = (SignInButton) findViewById(R.id.sign_in_button_plus);
signupButtonPlus.setOnClickListener(this);
facebookBtn = (Button) findViewById(R.id.signup_fb);
facebookBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
connectToFacebook();
}
});
/* emailEt = (EditText) findViewById(R.id.signup_email_et);
passwordEt = (EditText) findViewById(R.id.signup_pass_et);*/
/*signUp = (Button) findViewById(R.id.signup_new_user);
signUp.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
final String email = emailEt.getText().toString();
final String pass = passwordEt.getText().toString();
if (validateInput(email, pass)) {
try {
saveUserData("", "", email, "", pass);
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
});*/
menu = (ImageView) findViewById(R.id.signup_menu);
displayMenu();
}
private void registerNewUser(final String email, final String pass,
final String username, final String imgURL, final String name,
final int userId) throws IOException {
final String registerURL = "http://myurl.com/gamer/admin2/mobile/user.php?action=register&email="
+ email
+ "&username="
+ username
+ "&password="
+ pass
+ "&img_url=" + imgURL;
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... params) {
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(registerURL);
// httppost.setHeader("Accept", "application/json");
httppost.setHeader("Accept",
"application/x-www-form-urlencoded");
// httppost.setHeader("Content-type", "application/json");
httppost.setHeader("Content-Type",
"application/x-www-form-urlencoded");
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(
4);
nameValuePairs.add(new BasicNameValuePair("email", email));
nameValuePairs
.add(new BasicNameValuePair("username", username));
nameValuePairs.add(new BasicNameValuePair("password", pass));
nameValuePairs.add(new BasicNameValuePair("img_url", imgURL));
try {
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs,
"UTF-8"));
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}
try {
HttpResponse response = httpclient.execute(httppost);
HttpEntity entity = response.getEntity();
test = EntityUtils.toString(entity);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void result) {
try {
JSONObject jObject = new JSONObject(test.substring(38,
test.length() - 1));
Log.v("--", jObject.toString());
userID = jObject.getInt("id");
SharedPreferences prefs = getSharedPreferences(
getString(R.string.app_package),
Context.MODE_PRIVATE);
prefs.edit().putInt("user_id", userID).commit();
} catch (JSONException e) {
e.printStackTrace();
}
}
}.execute();
}
private boolean validateInput(String email, String password) {
if (email.length() <= 6) {
Toast.makeText(this, "Password must be at least 6 characters long",
Toast.LENGTH_SHORT).show();
return false;
}
if (!isValidEmailAddress(email)) {
Toast.makeText(this, "Enter valid email address",
Toast.LENGTH_SHORT).show();
return false;
}
/*if (!licence.isChecked()) {
Toast.makeText(this, "Do you accept the license agreement",
Toast.LENGTH_SHORT).show();
return false;
}*/
else
return true;
}
public boolean isValidEmailAddress(String email) {
java.util.regex.Pattern p = java.util.regex.Pattern
.compile(".+@.+\\.[a-z]+");
java.util.regex.Matcher m = p.matcher(email);
return m.matches();
}
private void displayMenu() {
slidingMenu = new SlidingMenu(this);
slidingMenu.setMode(SlidingMenu.RIGHT);
slidingMenu.setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);
slidingMenu.setShadowWidthRes(R.dimen.slidingmenu_shadow_width);
slidingMenu.setShadowDrawable(R.drawable.slidingmenu_shadow);
slidingMenu.setBehindOffsetRes(R.dimen.slidingmenu_offset);
slidingMenu.setFadeDegree(0.35f);
slidingMenu.attachToActivity(this, SlidingMenu.SLIDING_CONTENT);
slidingMenu.setMenu(R.layout.slidingmenu);
menu.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
slidingMenu.toggle();
}
});
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_MENU) {
slidingMenu.toggle();
return true;
}
return super.onKeyDown(keyCode, event);
}
@Override
public void onBackPressed() {
if (slidingMenu.isMenuShowing()) {
slidingMenu.toggle();
} else {
super.onBackPressed();
}
}
public void connectToFacebook() {
// read about Facebook Permissions here:
// http://developers.facebook.com/docs/reference/api/permissions/
String permissions[] = { "user_about_me", "user_activities",
"user_birthday", "user_checkins", "user_education_history",
"user_events", "user_groups", "user_hometown",
"user_interests", "user_likes", "user_location", "user_notes",
"user_online_presence", "user_photo_video_tags", "user_photos",
"user_relationships", "user_relationship_details",
"user_religion_politics", "user_status", "user_videos",
"user_website", "user_work_history", "email",
"read_friendlists", "read_insights", "read_mailbox",
"read_requests", "read_stream", "xmpp_login", "ads_management",
"create_event", "manage_friendlists", "manage_notifications",
"offline_access", "publish_checkins", "publish_stream",
"rsvp_event", "sms", "publish_actions"
};
fbLoginManager = new FBLoginManager(this, R.layout.signup,
KODEFUNFBAPP_ID, permissions);
if (fbLoginManager.existsSavedFacebook()) {
fbLoginManager.loadFacebook();
} else {
fbLoginManager.login();
}
}
@Override
public void loginSuccess(final Facebook facebook) {
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... params) {
GraphApi graphApi = new GraphApi(facebook);
user = new User();
try {
user = graphApi.getMyAccountInfo();
// update your status if logged in / post on wall
// graphApi.setStatus("Hello, world!");
} catch (EasyFacebookError e) {
Log.d("TAG: ", e.toString());
}
return null;
}
protected void onPostExecute(Void result) {
try {
saveUserData(user.getFirst_name(), user.getName(),
user.getEmail(), "https://graph.facebook.com/"
+ user.getId() + "/picture?type=large",
hash(user.getId()).toString());
registerNewUser(user.getEmail(), hash(user.getId())
.toString(), user.getFirst_name(),
"https://graph.facebook.com/" + user.getId()
+ "/picture?type=large", user.getName(),
userID);
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
};
}.execute();
}
public byte[] hash(String password) throws NoSuchAlgorithmException {
MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
byte[] passBytes = password.getBytes();
byte[] passHash = sha256.digest(passBytes);
Log.v("--", "pass " + passHash.toString());
return passHash;
}
private void saveUserData(String username, String name, String email,
String imageURL, String pass) throws IOException {
registerNewUser(email, pass, username, imageURL, name, userID);
SharedPreferences prefs = getSharedPreferences(
getString(R.string.app_package), Context.MODE_PRIVATE);
prefs.edit().putString("user_fullname", name).commit();
prefs.edit().putString("user_username", username).commit();
prefs.edit().putString("user_email", email).commit();
prefs.edit().putInt("user_id", userID).commit();
prefs.edit().putString("user_picture", imageURL).commit();
prefs.edit().putBoolean("user_logedin", true).commit();
Intent i = new Intent(SignUp.this, Profile.class);
startActivity(i);
finish();
}
@Override
public void onConnectionFailed(ConnectionResult result) {
// TODO Auto-generated method stub
if (result.hasResolution()) {
// The user clicked the sign-in button already. Start to resolve
// connection errors. Wait until onConnected() to dismiss the
// connection dialog.
try {
result.startResolutionForResult(this, REQUEST_CODE_RESOLVE_ERR);
} catch (SendIntentException e) {
mPlusClient.disconnect();
mPlusClient.connect();
}
}
}
@Override
public void logoutSuccess() {
fbLoginManager.displayToast("Logout Success!");
}
@Override
public void loginFail() {
fbLoginManager.displayToast("Login Epic Failed!");
}
@Override
public void onClick(View v) {
if (v.getId() == R.id.sign_in_button_plus) {
Log.v("--", "gplus");
if (!mPlusClient.isConnected()) {
mPlusClient.connect();
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode,
android.content.Intent data) {
Log.v("--", resultCode + " fb");
Log.v("--", "req code "+requestCode);
if (requestCode == REQUEST_CODE_RESOLVE_ERR && resultCode == RESULT_OK) {
mConnectionResult = null;
Log.v("--", resultCode + " G+");
mPlusClient.connect();
} else
fbLoginManager.loginSuccess(data);
}
@Override
public void onDisconnected() {
Log.e("gPlus", "disconnected");
}
@Override
public void onConnected(Bundle b) {
String accountName = mPlusClient.getAccountName();
Toast.makeText(this, accountName + " is connected.", Toast.LENGTH_LONG)
.show();
}