Android 集成Facebook SDK后登录Facebook
如何在我的应用程序中将登录与Facebook集成？我已经集成了Android 集成Facebook SDK后登录Facebook,android,facebook,Android,Facebook,如何在我的应用程序中将登录与Facebook集成？我已经集成了Facebook SDK，但无法打开Facebook的登录活动 我试试这个 // Your Facebook APP ID private static String APP_ID = "MY_ID"; @Override protected void onCreate(Bundle savedInstanceState) { FacebookSdk.sdkInitialize(this.
Facebook SDKFacebook// Your Facebook APP ID
private static String APP_ID = "MY_ID";
@Override
protected void onCreate(Bundle savedInstanceState) {
FacebookSdk.sdkInitialize(this.getApplicationContext());
callbackManager = CallbackManager.Factory.create();
LoginManager.getInstance().registerCallback(callbackManager,
new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
// App code
}
@Override
public void onCancel() {
// App code
}
@Override
public void onError(FacebookException exception) {
// App code
}
});
// Callback registration
loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
// App code
}
@Override
public void onCancel() {
// App code
}
@Override
public void onError(FacebookException exception) {
// App code
}
});
return view;
}
loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
info.setText(
"User ID: "
+ loginResult.getAccessToken().getUserId()
+ "\n" +
"Auth Token: "
+ loginResult.getAccessToken().getToken()
);
}
@Override
public void onCancel() {
info.setText("Login attempt canceled.");
}
@Override
public void onError(FacebookException e) {
info.setText("Login attempt failed.");
}
});
}
//您的Facebook应用程序ID
私有静态字符串APP_ID=“MY_ID”；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
sdkinInitialize（this.getApplicationContext（））；
callbackManager=callbackManager.Factory.create（）；
LoginManager.getInstance（）.registerCallback（callbackManager，
新建FacebookCallback（）{
@凌驾
成功时公共无效（LoginResult LoginResult）{
//应用程序代码
}
@凌驾
公开作废{
//应用程序代码
}
@凌驾
public void onError（facebook异常）{
//应用程序代码
}
});
//回调注册
registerCallback（callbackManager，newfacebookcallback（））{
@凌驾
成功时公共无效（LoginResult LoginResult）{
//应用程序代码
}
@凌驾
公开作废{
//应用程序代码
}
@凌驾
public void onError（facebook异常）{
//应用程序代码
}
});
返回视图；
}
registerCallback（callbackManager，newfacebookcallback（））{
@凌驾
成功时公共无效（LoginResult LoginResult）{
info.setText(
“用户ID：”
+loginResult.getAccessToken（）.getUserId（）
+“\n”+
“身份验证令牌：”
+loginResult.getAccessToken（）.getToken（）
);
}
@凌驾
公开作废{
info.setText（“登录尝试已取消”）；
}
@凌驾
公共无效onError（FaceBook例外e）{
info.setText（“登录尝试失败”）；
}
});
}
public class MainActivity extends Activity {
LoginButton loginButton;
private CallbackManager callbackManager;
private ProgressDialog pDialog;
URL myurl;
String profilepic;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FacebookSdk.sdkInitialize(MainActivity.this);
setContentView(R.layout.activity_main);
loginButton = (LoginButton) findViewById(R.id.login_button);
loginButton.setReadPermissions(Arrays
.asList("public_profile, email, user_birthday, user_friends"));
callbackManager = CallbackManager.Factory.create();
loginButton.registerCallback(callbackManager,
new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
new fblogin().execute(loginResult.getAccessToken());
}
@Override
public void onCancel() {
}
@Override
public void onError(FacebookException e) {
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
public class fblogin extends AsyncTask<AccessToken, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(MainActivity.this);
pDialog.setMessage("Loading...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
protected String doInBackground(AccessToken... params) {
GraphRequest request = GraphRequest.newMeRequest(params[0],
new GraphRequest.GraphJSONObjectCallback() {
@Override
public void onCompleted(JSONObject object,
GraphResponse response) {
Log.v("MainActivity", response.toString());
try {
String profile_pic = object.getString("id");
try {
myurl = new URL(
"https://graph.facebook.com/"
+ profile_pic + "/picture");
} catch (Exception e) {
e.printStackTrace();
}
profilepic = myurl.toString();
Log.v("Name", object.getString("first_name"));
Log.v("Email", object.getString("email"));
Log.v("Profile Pic Url", profilepic);
Log.v("Gender", object.getString("gender"));
} catch (JSONException jse) {
// session.logoutUser();
Log.e("fb json exception", jse.toString());
}
}
});
Bundle parameters = new Bundle();
parameters.putString("fields", "id,first_name,email,gender");
request.setParameters(parameters);
GraphRequest.executeBatchAndWait(request);
return null;
}
protected void onPostExecute(String file_url) {
pDialog.dismiss();
}
}
@Override
protected void onActivityResult(int requestCode, int responseCode,
Intent intent) {
// TODO Auto-generated method stub
callbackManager.onActivityResult(requestCode, responseCode, intent);
}
}
公共类MainActivity扩展活动{
登录按钮登录按钮；
私人CallbackManager CallbackManager；
私人对话；
URL-myurl；
字符串轮廓图；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
FacebookSdk.sdkinInitialize（MainActivity.this）；
setContentView（R.layout.activity_main）；
loginButton=（loginButton）findviewbyd（R.id.login_按钮）；
setReadPermissions（数组
.asList（“公众档案、电子邮件、用户生日、用户朋友”）；
callbackManager=callbackManager.Factory.create（）；
loginButton.registerCallback（callbackManager，
新建FacebookCallback（）{
@凌驾
成功时公共无效（LoginResult LoginResult）{
新建fblogin（）.execute（loginResult.getAccessToken（））；
}
@凌驾
公开作废{
}
@凌驾
公共无效onError（FaceBook例外e）{
}
});
}
@凌驾
公共布尔onCreateOptions菜单（菜单）{
//为菜单充气；这会将项目添加到操作栏（如果存在）。
getMenuInflater（）.充气（R.menu.main，menu）；
返回true；
}
@凌驾
公共布尔值onOptionsItemSelected（菜单项项）{
//处理操作栏项目单击此处。操作栏将
//自动处理Home/Up按钮上的点击，只要
//在AndroidManifest.xml中指定父活动时。
int id=item.getItemId（）；
if（id==R.id.action\u设置）{
返回true；
}
返回super.onOptionsItemSelected（项目）；
}
公共类fblogin扩展异步任务{
@凌驾
受保护的void onPreExecute（）{
super.onPreExecute（）；
pDialog=新建进度对话框（MainActivity.this）；
设置消息（“加载…”）；
pDialog.setUndeterminate（假）；
pDialog.setCancelable（假）；
pDialog.show（）；
}
受保护的字符串doInBackground（AccessToken…参数）{
GraphRequest请求=GraphRequest.NewMereRequest（参数[0]，
新建GraphRequest.GraphJSONObjectCallback（）{
@凌驾
未完成的公共void（JSONObject对象，
GraphResponse（反应）{
Log.v（“MainActivity”，response.toString（））；
试一试{
字符串配置文件_pic=object.getString（“id”）；
试一试{
myurl=新URL(
"https://graph.facebook.com/"
+个人资料（图片+“/图片”）；
}捕获（例外e）{
e、 printStackTrace（）；
}
profilepic=myurl.toString（）；
Log.v（“Name”，object.getString（“first_Name”）；
Log.v（“Email”，object.getString（“Email”）；
Log.v（“Profile Pic Url”，profilepic）；
<activity
android:name="com.facebook.FacebookActivity"
android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation"
android:label="@string/app_name"
android:theme="@android:style/Theme.Translucent.NoTitleBar" />
<meta-data
android:name="com.facebook.sdk.ApplicationId"
android:value="@string/facebook_app_id" />
import java.util.Arrays;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.widget.TextView;
import com.example.facebookapp.R;
import com.facebook.Session;
import com.facebook.SessionState;
import com.facebook.UiLifecycleHelper;
import com.facebook.model.GraphUser;
import com.facebook.widget.LoginButton;
import com.facebook.widget.LoginButton.UserInfoChangedCallback;
public class MainActivity extends FragmentActivity {
private LoginButton loginBtn;
private TextView username;
private UiLifecycleHelper uiHelper;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
uiHelper = new UiLifecycleHelper(this, statusCallback);
uiHelper.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
username = (TextView) findViewById(R.id.username);
loginBtn = (LoginButton) findViewById(R.id.fb_login_button);
loginBtn.setReadPermissions(Arrays.asList("email"));
loginBtn.setUserInfoChangedCallback(new UserInfoChangedCallback() {
@Override
public void onUserInfoFetched(GraphUser user) {
if (user != null) {
username.setText("You are currently logged in as " + user.getName());
} else {
username.setText("You are not logged in.");
}
}
});
}
private Session.StatusCallback statusCallback = new Session.StatusCallback() {
@Override
public void call(Session session, SessionState state,
Exception exception) {
if (state.isOpened()) {
Log.d("MainActivity", "Facebook session opened.");
} else if (state.isClosed()) {
Log.d("MainActivity", "Facebook session closed.");
}
}
};
@Override
public void onResume() {
super.onResume();
uiHelper.onResume();
}
@Override
public void onPause() {
super.onPause();
uiHelper.onPause();
}
@Override
public void onDestroy() {
super.onDestroy();
uiHelper.onDestroy();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
uiHelper.onActivityResult(requestCode, resultCode, data);
}
@Override
public void onSaveInstanceState(Bundle savedState) {
super.onSaveInstanceState(savedState);
uiHelper.onSaveInstanceState(savedState);
}
}
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:facebook="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<com.facebook.widget.LoginButton
android:id="@+id/fb_login_button"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
facebook:confirm_logout="false"
facebook:fetch_user_info="true" />
<TextView
android:id="@+id/username"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_margin="10dp"
android:textSize="16sp" />
</LinearLayout>
<activity android:name="com.facebook.LoginActivity"
android:theme="@android:style/Theme.Translucent.NoTitleBar" />
<meta-data android:name="com.facebook.sdk.ApplicationId"
android:value="@string/APP_ID" />
private Session.StatusCallback statusCallback = new Session.StatusCallback() {
@Override
public void call(Session session, SessionState state,
Exception exception) {
if (state.isOpened()) {
buttonsEnabled(true);
//Log.d("FacebookSampleActivity", "Facebook session opened");
} else if (state.isClosed()) {
buttonsEnabled(false);
//Log.d("FacebookSampleActivity", "Facebook session closed");
}
}
};
{
if (!session.isClosed()) {
session.closeAndClearTokenInformation();
//clear your preferences if saved
}
}
else
{
session = new Session(context);
Session.setActiveSession(session);
session.closeAndClearTokenInformation();
//clear your preferences if saved
}
}