android - 添加 Facebook 登录时应用程序崩溃

Question

在我添加 Facebook 登录之前，我的应用程序运行良好。我所做的一切都与我在其他应用程序上所做的相同，但仍然出现错误。我添加了 facebook sdk 并对其进行了初始化。我在 facebook 网站上注册了我的应用程序。还是不明白问题所在。

01-02 23:05:02.192: E/AndroidRuntime(30078): Process: com.sam.sports, PID: 30078
01-02 23:05:02.192: E/AndroidRuntime(30078): java.lang.NoClassDefFoundError: com.facebook.FacebookActivity
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at com.facebook.internal.Validate.hasFacebookActivity(Validate.java:176)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at com.facebook.FacebookSdk.sdkInitialize(FacebookSdk.java:198)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at com.facebook.FacebookSdk.sdkInitialize(FacebookSdk.java:174)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at com.sam.sports.LoginActivity.onCreate(LoginActivity.java:59)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at android.app.Activity.performCreate(Activity.java:5280)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1088)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2322)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2410)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at android.app.ActivityThread.access$800(ActivityThread.java:155)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1331)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at android.os.Handler.dispatchMessage(Handler.java:110)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at android.os.Looper.loop(Looper.java:193)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at android.app.ActivityThread.main(ActivityThread.java:5388)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at java.lang.reflect.Method.invokeNative(Native Method)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at java.lang.reflect.Method.invoke(Method.java:515)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:655)
01-02 23:05:02.192: E/AndroidRuntime(30078): 	at dalvik.system.NativeStart.main(Native Method)

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.sam.sports"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="18"
        android:targetSdkVersion="23" />
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-feature android:name="android.hardware.camera" />
    <uses-feature android:name="android.hardware.camera.autofocus" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <application
        android:name="com.sam.sports.app.AppController"
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/MyTheme" >
         <meta-data android:name="com.facebook.sdk.ApplicationId" android:value="@string/facebook_app_id"/>

        <activity android:name="com.facebook.FacebookActivity"
            android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation"
            android:theme="@android:style/Theme.Translucent.NoTitleBar"
            android:label="@string/app_name" />
        <provider android:authorities="com.facebook.app.FacebookContentProvider975617842510005"
            android:name="com.facebook.FacebookContentProvider"
            android:exported="true"/>
        <activity
            android:name=".LoginActivity"
            android:label="@string/app_name"
            android:launchMode="singleTop"
            android:windowSoftInputMode="adjustPan" >
            <intent-filter >
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
         <activity
            android:name=".RegisterActivity"
            android:label="@string/app_name"
            android:launchMode="singleTop"
            android:windowSoftInputMode="adjustPan" />
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:launchMode="singleTop" />
         <activity
            android:name=".CreateLog"
            android:label="@string/app_name"
            android:launchMode="singleTop" />
    </application>

</manifest>

public class LoginActivity extends Activity {
    private static final String TAG = RegisterActivity.class.getSimpleName();
    private Button btnLogin;
    private Button btnLinkToRegister;
    private EditText inputEmail;
    private EditText inputPassword;
    private ProgressDialog pDialog;
    private SessionManager session;
    private SQLiteHandler db;
    public static final String PREFS_NAME = "MyApp_Settings";
    
    CallbackManager callbackManager;
    LoginButton login;
    String name;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        FacebookSdk.sdkInitialize(getApplicationContext());
        setContentView(R.layout.activity_login);

        inputEmail = (EditText) findViewById(R.id.email_login);
        inputPassword = (EditText) findViewById(R.id.pass_login);
        btnLogin = (Button) findViewById(R.id.login);
        btnLinkToRegister = (Button) findViewById(R.id.btnLinkToRegisterScreen);
        
///////////////////////////////////////////////// Facebook Login Starts ///////////////////////////////////////////////////////////////////////       
        callbackManager = CallbackManager.Factory.create();
        login = (LoginButton)findViewById(R.id.login_button);
        login.setReadPermissions("public_profile email");



        if(AccessToken.getCurrentAccessToken() != null){
        	RequestData();
        } 
        login.setOnClickListener(new View.OnClickListener() {
        	@Override
        	public void onClick(View view) {
        		if(AccessToken.getCurrentAccessToken() != null) {
        		}
        	}
        });
        login.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
        	@Override
        	public void onSuccess(LoginResult loginResult) {

        		if(AccessToken.getCurrentAccessToken() != null){

        			RequestData();

        		} 

        	}

        	@Override
        	public void onCancel() {

        	}

        	@Override
        	public void onError(FacebookException exception) {
        	}
        });

/////////////////////////////////////////////////////////Facebook Login Ends/////////////////////////////////////////////////////////////////

        // Progress dialog
        pDialog = new ProgressDialog(this);
        pDialog.setCancelable(false);

        // SQLite database handler
        db = new SQLiteHandler(getApplicationContext());

        // Session manager
        session = new SessionManager(getApplicationContext());

        // Check if user is already logged in or not
        if (session.isLoggedIn()) {
            // User is already logged in. Take him to main activity
            Intent intent = new Intent(LoginActivity.this, MainActivity.class);
            startActivity(intent);
            finish();
        }

        // Login button Click Event
        btnLogin.setOnClickListener(new View.OnClickListener() {

            public void onClick(View view) {
                String email = inputEmail.getText().toString().trim();
                String password = inputPassword.getText().toString().trim();

                // Check for empty data in the form
                if (!email.isEmpty() && !password.isEmpty()) {
                    // login user
                    checkLogin(email, password);
                } else {
                    // Prompt user to enter credentials
                    Toast.makeText(getApplicationContext(), "Please enter the credentials!", Toast.LENGTH_LONG).show();
                }
            }

        });

        // Link to Register Screen
        btnLinkToRegister.setOnClickListener(new View.OnClickListener() {

            public void onClick(View view) {
                Intent i = new Intent(getApplicationContext(), RegisterActivity.class);
                startActivity(i);
                finish();
            }
        });

    }

    /**
     * function to verify login details in mysql db
     * */
    private void checkLogin(final String email, final String password) {
        // Tag used to cancel the request
        String tag_string_req = "req_login";

        pDialog.setMessage("Logging in ...");
        showDialog();

        StringRequest strReq = new StringRequest(Method.POST,
                AppConfig.URL_LOGIN, new Response.Listener<String>() {

            @Override
            public void onResponse(String response) {
                Log.d(TAG, "Login Response: " + response.toString());
                hideDialog();

                try {
                    JSONObject jObj = new JSONObject(response);
                    boolean error = jObj.getBoolean("error");

                    // Check for error node in json
                    if (!error) {
                        // user successfully logged in
                        // Create login session
                        session.setLogin(true);

                        // Now store the user in SQLite
                        String uid = jObj.getString("uid");

                        JSONObject user = jObj.getJSONObject("user");
                        String name = user.getString("name");
                        String email = user.getString("email");
                        String created_at = user
                                .getString("created_at");

                        // Inserting row in users table
                        db.addUser(name, email, uid, created_at);
                        
                        //add "option" to SharedPreference
                        SharedPreferences settings = getSharedPreferences(PREFS_NAME, MODE_PRIVATE);
                		Editor editor = settings.edit();
                		editor.putString("option", "0");
                	    editor.commit();

                        // Launch main activity
                        Intent intent = new Intent(LoginActivity.this, MainActivity.class);
                        startActivity(intent);
                        finish();
                    } else {
                        // Error in login. Get the error message
                        String errorMsg = jObj.getString("error_msg");
                        Toast.makeText(getApplicationContext(), errorMsg, Toast.LENGTH_LONG).show();
                    }
                } catch (JSONException e) {
                    // JSON error
                    e.printStackTrace();
                    Toast.makeText(getApplicationContext(), "Json error: " + e.getMessage(), Toast.LENGTH_LONG).show();
                }

            }
        }, new Response.ErrorListener() {

            @Override
            public void onErrorResponse(VolleyError error) {
                Log.e(TAG, "Login Error: " + error.getMessage());
                Toast.makeText(getApplicationContext(), error.getMessage(), Toast.LENGTH_LONG).show();
                hideDialog();
            }
        }) {

            @Override
            protected Map<String, String> getParams() {
                // Posting parameters to login url
                Map<String, String> params = new HashMap<String, String>();
                params.put("email", email);
                params.put("password", password);

                return params;
            }

        };

        // Adding request to request queue
        AppController.getInstance().addToRequestQueue(strReq, tag_string_req);
    }

    private void showDialog() {
        if (!pDialog.isShowing())
            pDialog.show();
    }

    private void hideDialog() {
        if (pDialog.isShowing())
            pDialog.dismiss();
    }
    
//////////////////////////////////////////////////////////Facebook Login Starts///////////////////////////////////////////////////////////////////    
    public void RequestData(){
    	GraphRequest request = GraphRequest.newMeRequest(AccessToken.getCurrentAccessToken(), new GraphRequest.GraphJSONObjectCallback() {

    		@Override
    		public void onCompleted(JSONObject object, GraphResponse response) {
    		// TODO Auto-generated method stub
    			JSONObject json = response.getJSONObject();
    			try {
    				if(json != null){
    					//String text = "<b>Name :</b> "+json.getString("name")+"<br><br><b>Email :</b> "+json.getString("email")+"<br><br><b>Profile link :</b> "+json.getString("link");

	    				name = json.getString("name");
						SharedPreferences settings = getSharedPreferences(PREFS_NAME, MODE_PRIVATE);
						Editor editor = settings.edit();
						editor.putString("option", "1");
						editor.putString("name", name);
						editor.commit();
						Intent main = new Intent(LoginActivity.this, MainActivity.class);
						
						startActivity(main);
						finish();

    				}

    			} catch (JSONException e) {
    				e.printStackTrace();
    			}
    		}
    	});
		Bundle parameters = new Bundle();
		parameters.putString("fields", "id,name,link,email,picture");
		request.setParameters(parameters);
		request.executeAsync();
    } 


@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
callbackManager.onActivityResult(requestCode, resultCode, data);
}

//////////////////////////////////////////////////////////////Facebook Login Ends///////////////////////////////////////////////////////////////    

}

Answer 1

Facebook 权限应该分开:

login.setReadPermissions("public_profile","email");

和不需要:
login.setOnClickListener(new View.OnClickListener()
因为点击login它将调用的按钮:
login.registerCallback(callbackManager, new FacebookCallback<LoginResult>()调用方法 com.facebook.FacebookActivity