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我的應用程序工作完美，然後，添加以下代碼LoginManager.getInstance().logOut();從當前的Facebook帳戶（開發人員帳戶）斷開連接後，IDE顯示運行時發生錯誤該應用程序，但應用程序無論如何推出，但試圖登錄時，它墜毀，現在它沒有登錄，它不斷崩潰！即使我沒有改變任何東西，只是將下面的代碼行添加到下一個活動中，以便在用戶想要註銷的情況下使應用程序斷開連接！應用程序開始崩潰時嘗試登錄使用Facebook後，ide錯誤
這裏是我的Java代碼：
public class ConnexionActivity extends AppCompatActivity {
Button b_bb, b_back, ee, b_inscrp_formulaire, fb;
EditText tb_pseudo, tb_mdp;
int id;
String name, gender, email, birthday;
private LoginButton loginButton;
private CallbackManager callbackManager;
Profile profile;
//new try:
private AccessTokenTracker accessTokenTracker;
private Button customFacebookLogin;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FacebookSdk.sdkInitialize(getApplicationContext());
callbackManager = CallbackManager.Factory.create();
/*List<String> permissionNeeds = Arrays.asList("user_photos", "email",
"user_birthday", "public_profile", "AccessToken");*/
setContentView(R.layout.activity_connexion);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
toolbar.setTitle("");
setSupportActionBar(toolbar);
b_inscrp_formulaire = (Button) findViewById(R.id.b_inscrip_formulaire);
fb = (Button) findViewById(R.id.fb);
loginButton = (LoginButton) findViewById(R.id.login_button);
loginButton.setText("");
loginButton.setReadPermissions(Arrays.asList("public_profile", "email", "user_friends", "user_birthday"));
//"user_photos", "email","user_birthday", "public_profile"
loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
graphRequest(loginResult.getAccessToken());
}
@Override
public void onCancel() {
}
@Override
public void onError(FacebookException error) {
}
});
//getting the hash key
try {
PackageInfo info = getPackageManager().getPackageInfo(
"your.package",
PackageManager.GET_SIGNATURES);
for (Signature signature : info.signatures) {
MessageDigest md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
}
} catch (PackageManager.NameNotFoundException e) {
} catch (NoSuchAlgorithmException e) {
}
//2nd way to generate hash key (or get it)
try {
PackageInfo info = getPackageManager().getPackageInfo("your.package.name", PackageManager.GET_SIGNATURES);
for (Signature signature : info.signatures) {
MessageDigest md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
}
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
b_bb = (Button) findViewById(R.id.b_bb);
b_back = (Button) findViewById(R.id.b_back);
tb_pseudo = (EditText) findViewById(R.id.textbox_pseudo);
tb_mdp = (EditText) findViewById(R.id.textbox_mdp);
/////////////
ee = (Button) findViewById(R.id.button);
////////////
b_bb.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: {
b_bb.setBackgroundResource(R.drawable.button_bb_selec);
break;
}
case MotionEvent.ACTION_UP: {
b_bb.setBackgroundResource(R.drawable.button_bb);
break;
}
}
return false;
}
});
b_bb.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (isAuthorized()) {
Intent menu_p = new Intent(ConnexionActivity.this, MenuPActivity.class);
menu_p.putExtra("pseudo", tb_pseudo.getText().toString());
startActivity(menu_p);
} else {
openDialog();
}
}
});
b_back.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
ConnexionActivity.this.finish();
}
});
ee.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent menu_p = new Intent(ConnexionActivity.this, MenuPActivity.class);
menu_p.putExtra("pseudo", "Easter");
startActivity(menu_p);
}
});
b_inscrp_formulaire.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent menu_p = new Intent(ConnexionActivity.this, InscriptionActivity.class);
startActivity(menu_p);
}
});
LoginManager.getInstance().registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
graphRequest(loginResult.getAccessToken());
}
@Override
public void onCancel() {
}
@Override
public void onError(FacebookException error) {
}
});
fb.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
LoginManager.getInstance().logInWithReadPermissions(ConnexionActivity.this, Arrays.asList("user_photos", "email",
"user_birthday", "public_profile"));
profile = Profile.getCurrentProfile().getCurrentProfile();
if (profile != null) {
// user has logged in
Intent menu_p = new Intent(ConnexionActivity.this, MenuPActivity.class);
menu_p.putExtra("pseudo", profile.getFirstName());
startActivity(menu_p);
Toast.makeText(getApplicationContext(), "Connecté : " + profile.getFirstName() + " " + profile.getLastName(), Toast.LENGTH_SHORT).show();
} else {
// user has not logged in
Toast.makeText(getApplicationContext(), "Non-Connecté : Erreur de connexion!!", Toast.LENGTH_SHORT).show();
}
}
});
//To log out of FB:
/*LoginManager.getInstance().logOut();*/
//TODO: check if the user is logged in or not
/* profile = Profile.getCurrentProfile().getCurrentProfile();
if (profile != null) {
// user has logged in
} else {
// user has not logged in
}*/
}
private Boolean isAuthorized() {
if (tb_pseudo.getText().toString().equals("Admin")
&& tb_mdp.getText().toString().equals("0000")
) {
return true;
} else
return false;
}
public void openDialog() {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
alertDialogBuilder.setMessage("Mauvaise combinaison \"Pseudo\", \"Mot de passe\"");
alertDialogBuilder.setPositiveButton("ok", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
public void graphRequest(AccessToken token) {
GraphRequest request = GraphRequest.newMeRequest(token, new GraphRequest.GraphJSONObjectCallback() {
@Override
public void onCompleted(JSONObject object, GraphResponse response) {
Toast.makeText(getApplicationContext(), object.toString(), Toast.LENGTH_LONG).show();
}
});
Bundle b = new Bundle();
b.putString("fields", "id,email,first_name,last_name,picture.type(large)");
request.setParameters(b);
request.executeAsync();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
callbackManager.onActivityResult(requestCode, resultCode, data);
}
}
這裏感謝logcat錯誤。 –
@BrunoFerreira它不是在代碼或類似的錯誤，這是一個IDE錯誤！現在一切運行良好，但嘗試連接時該應用崩潰。 –
你沒有看到你的logcat崩潰日誌？ – santalu