Android 使用共享首选项登录Facebook
我正在尝试在登录(使用Facebook)后保存用户详细信息。我可以获取数据,但无法保存。我正在使用SharedReferences,但无法保存它。当我进行其他活动时,数据不会丢失,但当我单击“上一步”按钮并重新打开此活动时,所有数据都会丢失。这是我的密码: Profilee.javaAndroid 使用共享首选项登录Facebook,android,facebook,android-studio,sharedpreferences,Android,Facebook,Android Studio,Sharedpreferences,我正在尝试在登录(使用Facebook)后保存用户详细信息。我可以获取数据,但无法保存。我正在使用SharedReferences,但无法保存它。当我进行其他活动时,数据不会丢失,但当我单击“上一步”按钮并重新打开此活动时,所有数据都会丢失。这是我的密码: Profilee.java 公共类概要文件扩展了片段{ 字符串email1,生日1,性别1; 图像视图图像视图; 静态int=1; TextView texty; 登录按钮; 线性布局用户输入; 私人CallbackManager Callb
公共类概要文件扩展了片段{
字符串email1,生日1,性别1;
图像视图图像视图;
静态int=1;
TextView texty;
登录按钮;
线性布局用户输入;
私人CallbackManager CallbackManager;
私有文本视图文本视图;
共享参考优先;
私人短信查看电子邮件、生日、性别;
私有AccessTokenTracker AccessTokenTracker;
个人档案跟踪器;
private FacebookCallback callback=新建FacebookCallback(){
@凌驾
成功时公共无效(LoginResult LoginResult){
AccessToken AccessToken=loginResult.getAccessToken();
Profile Profile=Profile.getCurrentProfile();
GraphRequest GraphRequest=GraphRequest.NewMereRequest(loginResult.getAccessToken(),
新建GraphRequest.GraphJSONObjectCallback(){
@凌驾
未完成公共无效(JSONObject对象,GraphResponse响应){
JSONObject JSONObject=response.getJSONObject();
if(jsonObject!=null){
试一试{
email1=jsonObject.getString(“电子邮件”);
gender1=jsonObject.getString(“性别”);
birthday1=jsonObject.getString(“生日”);
}捕获(JSONException e){
e、 printStackTrace();
}
}
}
});
Bundle参数=新Bundle();
参数.putString(“字段”、“电子邮件、性别、生日”);
graphrequest.setParameters(参数);
graphrequest.executeAsync();
activateApp(getContext());
}
@凌驾
公开作废{
}
@凌驾
公共无效onError(FaceBook例外e){
}
};
公众简介({
//必需的空公共构造函数
}
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
sdkinInitialize(getActivity().getApplicationContext());
callbackManager=callbackManager.Factory.create();
Toast.makeText(getContext(),“Create”,Toast.LENGTH_SHORT.show();
pref=getContext().getSharedReferences(“,getContext().MODE_PRIVATE”);
pref.getString(“名称”、“asdfgh”);
pref.getString(“电子邮件”、“qwerty”);
pref.getString(“性别”、“zxcvb”);
accessTokenTracker=新的accessTokenTracker(){
@凌驾
更改当前AccessToken时受保护的无效(AccessToken oldToken、AccessToken newToken){
}
};
profileTracker=新的profileTracker(){
@凌驾
更改当前配置文件时受保护的无效(配置文件旧配置文件、配置文件新配置文件){
}
};
accessTokenTracker.startTracking();
profileTracker.startTracking();
}
@凌驾
创建视图上的公共视图(布局、充气机、视图组容器、,
Bundle savedInstanceState){
视图v=充气机。充气(R.layout.fragment_Profile,容器,假);
按钮=(登录按钮)v.findviewbyd(R.id.login_按钮);
TextView按钮12=(TextView)v.findViewById(R.id.edit);
button12.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
Intent i=新的Intent(getContext(),PrifileEdit.class);
i、 putExtra(“st”,电子邮件1);
星触觉(i);
}
});
texty=(TextView)v.findViewById(R.id.emo);
imageView=(imageView)v.findViewById(R.id.asd);
userinput=(LinearLayout)v.findviewbyd(R.id.userdetail);
int unicode=0x1F60E;
字符串emoji=getEmijoByUnicode(unicode);
String text=“未经允许,我们绝不在您的墙上张贴”;
texty.setText(text+emoji);
Toast.makeText(getContext(),“CreateView”,Toast.LENGTH_SHORT.show();
返回v;
}
公共字符串getEmijoByUnicode(整数unicode){
返回新字符串(Character.toChars(unicode));
}
@凌驾
已创建视图上的公共void(视图,捆绑保存状态){
super.onViewCreated(视图,savedInstanceState);
LoginButton LoginButton=(LoginButton)view.findViewById(R.id.login_按钮);
textView=(textView)view.findViewById(R.id.textView);
email=(TextView)view.findViewById(R.id.emailid);
gende=(TextView)view.findViewById(R.id.gender);
生日=(TextView)view.findViewById(R.id.birth);
loginButton.setReadPermissions(“电子邮件”);
setFragment(this);
registerCallback(callbackManager,callback);
Toast.makeText(getContext(),“ViewCreate”,Toast.LENGTH_SHORT.show();
}
@凌驾
ActivityResult上的公共void(int请求代码、int结果代码、意图数据){
super.onActivityResult(请求代码、结果代码、数据);
callbackManager.onActivityResult(请求代码、结果代码、数据);
new Handler().postDelayed(new Runnable()){
@凌驾
公开募捐{
onResume();
}
}, 2000);
}
公共无效显示消息(最终配置文件){
如果(itis==1){
if(profile!=nu
public class Profilee extends Fragment {
String email1, birthday1, gender1;
ImageView imageView;
static int itis = 1;
TextView texty;
LoginButton button;
LinearLayout userinput;
private CallbackManager callbackManager;
private TextView textView;
SharedPreferences pref;
private TextView email, birthday, gende;
private AccessTokenTracker accessTokenTracker;
private ProfileTracker profileTracker;
private FacebookCallback<LoginResult> callback = new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
AccessToken accessToken = loginResult.getAccessToken();
Profile profile = Profile.getCurrentProfile();
GraphRequest graphrequest = GraphRequest.newMeRequest(loginResult.getAccessToken(),
new GraphRequest.GraphJSONObjectCallback() {
@Override
public void onCompleted(JSONObject object, GraphResponse response) {
JSONObject jsonObject = response.getJSONObject();
if (jsonObject != null) {
try {
email1 = jsonObject.getString("email");
gender1 = jsonObject.getString("gender");
birthday1 = jsonObject.getString("birthday");
} catch (JSONException e) {
e.printStackTrace();
}
}
}
});
Bundle parameters = new Bundle();
parameters.putString("fields", "email, gender, birthday");
graphrequest.setParameters(parameters);
graphrequest.executeAsync();
AppEventsLogger.activateApp(getContext());
}
@Override
public void onCancel() {
}
@Override
public void onError(FacebookException e) {
}
};
public Profilee() {
// Required empty public constructor
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FacebookSdk.sdkInitialize(getActivity().getApplicationContext());
callbackManager = CallbackManager.Factory.create();
Toast.makeText(getContext(), "Create", Toast.LENGTH_SHORT).show();
pref = getContext().getSharedPreferences("", getContext().MODE_PRIVATE);
pref.getString("name", "asdfgh");
pref.getString("email", "qwerty");
pref.getString("gender", "zxcvb");
accessTokenTracker = new AccessTokenTracker() {
@Override
protected void onCurrentAccessTokenChanged(AccessToken oldToken, AccessToken newToken) {
}
};
profileTracker = new ProfileTracker() {
@Override
protected void onCurrentProfileChanged(Profile oldProfile, Profile newProfile) {
}
};
accessTokenTracker.startTracking();
profileTracker.startTracking();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_profilee, container, false);
button = (LoginButton) v.findViewById(R.id.login_button);
TextView button12 = (TextView) v.findViewById(R.id.edit);
button12.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent i = new Intent(getContext(), PrifileEdit.class);
i.putExtra("st", email1);
startActivity(i);
}
});
texty = (TextView) v.findViewById(R.id.emo);
imageView = (ImageView) v.findViewById(R.id.asd);
userinput = (LinearLayout) v.findViewById(R.id.userdetail);
int unicode = 0x1F60E;
String emoji = getEmijoByUnicode(unicode);
String text = "We will never post on your wall without permission ";
texty.setText(text + emoji);
Toast.makeText(getContext(), "CreateView", Toast.LENGTH_SHORT).show();
return v;
}
public String getEmijoByUnicode(int unicode) {
return new String(Character.toChars(unicode));
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
LoginButton loginButton = (LoginButton) view.findViewById(R.id.login_button);
textView = (TextView) view.findViewById(R.id.textView);
email = (TextView) view.findViewById(R.id.emailid);
gende = (TextView) view.findViewById(R.id.gender);
birthday = (TextView) view.findViewById(R.id.birth);
loginButton.setReadPermissions("email");
loginButton.setFragment(this);
loginButton.registerCallback(callbackManager, callback);
Toast.makeText(getContext(), "ViewCreate", Toast.LENGTH_SHORT).show();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
callbackManager.onActivityResult(requestCode, resultCode, data);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
onResume();
}
}, 2000);
}
public void displayMessage(final Profile profile) {
if (itis == 1) {
if (profile != null) {
textView.setText(profile.getName());
email.setText(email1);
gende.setText(gender1);
birthday.setText(birthday1);
button.setVisibility(View.GONE);
texty.setVisibility(View.GONE);
userinput.setVisibility(View.VISIBLE);
pref = getContext().getSharedPreferences("", getContext().MODE_PRIVATE);
SharedPreferences.Editor editor = pref.edit();
editor.putString("name", String.valueOf(textView));
editor.putString("email", String.valueOf(email));
editor.putString("gender", String.valueOf(gende));
editor.commit();
}
}
}
@Override
public void onStart() {
super.onStart();
Toast.makeText(getContext(), "Start", Toast.LENGTH_SHORT).show();
}
@Override
public void onStop() {
super.onStop();
accessTokenTracker.stopTracking();
profileTracker.stopTracking();
}
@Override
public void onResume() {
super.onResume();
Profile profile = Profile.getCurrentProfile();
displayMessage(profile);
AppEventsLogger.activateApp(getContext());
}
}
editor.putString("name", String.valueOf(textView)); // wrong
editor.putString("name", textView.getText().toString()); // right
String myEmail = pref.getString("email", "qwerty");
textView.setText(myEmail);