我正在创建一个项目，在其中使用导航抽屉，然后在导航项上单击它会打开一个登录页面，并将其登录后显示电影到我的主要活动。现在，我想以片段的自定义共享首选项保存我的登录详细信息和所有数据。之后，它在应用程序上重新启动，然后转到导航登录项，它应检查用户是否已经登录，然后应移至某个活动，否则应运行我的登录片段
我的登录片段
public View onCreateView(@NonNull LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
CDSMainViewModel =
ViewModelProviders.of(this).get(CDP_MainViewModel.class);
View root = inflater.inflate(R.layout.fragment_cdplogin, container, false);
context = container.getContext();
context = getActivity().getApplicationContext();
session = new Session(context);
if (session.isLoggedIn()) {
Intent itra = new Intent(getActivity().getApplicationContext(), Verification_Activity.class);
startActivity(itra);
getActivity().finish();
}
else{
login_button = root.findViewById(R.id.button_click_login);
edit1 = root.findViewById(R.id.input_username);
edit2 = root.findViewById(R.id.input_password);
layout_1 = root.findViewById(R.id.usnamelayout);
layout_2 = root.findViewById(R.id.password_layout);
login_button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
}
return root;
}
private void Login_data() {
String URL = "http://117.240.196.238:8080/api/cdp/getAuth";
Log.i("response", URL);
StringRequest jsonObjRequest = new StringRequest(
Request.Method.POST, URL, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
Log.i("response_login", response);
parseData1(response);
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d("volley", "Error: " + error.getMessage());
showServerConnectionError();
}
}) {
@Override
public String getBodyContentType() {
return "application/x-www-form-urlencoded; charset=UTF-8";
}
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String, String> params = new HashMap<String, String>();
params.put("AuthID", name);
params.put("AuthPwd", password);
return params;
}
};
RequestQueue queue = SingletonRequestQueue.getInstance(getActivity().getApplicationContext()).getRequestQueue();
queue.add(jsonObjRequest);
}
private void parseData1(String response){
try {
JSONObject json = new JSONObject(response);
int success = json.getInt("success");
String msg = json.getString("message");
if(success == 1){
Toast.makeText(getActivity(), msg, Toast.LENGTH_SHORT).show();
JSONArray recData = json.getJSONArray("data");
for (int i = 0; i < recData.length(); i++) {
JSONObject c = recData.getJSONObject(i);
String uname = name;
String upass = password;
String emp_id = c.getString("emp_id");
String empname = c.getString("EmpName");
String office = c.getString("OfficeNameFull");
String desig = c.getString("DesignationName");
String mobile = c.getString("EmpMobile");
String office_code = c.getString("OfficeCode");
String OfficeType = c.getString("OfficeType");
String district = c.getString("DistrictCode");
String DistrictName = c.getString("DistrictName");
String designationCode = c.getString("designationCode");
String DesignationName1 = c.getString("DesignationName1");
String DesigShortName = c.getString("DesigShortName");
Log.i("session",district);
//Here my loginsession is not working its not saving my data in my session..
Session.getInstance(getContext()).loginsession(emp_id,uname,upass,empname,office,desig,mobile,office_code,OfficeType,district,DistrictName,designationCode,DesignationName1,DesigShortName);
// String email = SessionManager.getInstance(context).getUserEmail();
// session.loginsession(emp_id,uname,upass,empname,office,desig,mobile,office_code,OfficeType,district,DistrictName,designationCode,DesignationName1,DesigShortName);
Intent its12 = new Intent(getActivity().getApplicationContext(), Verification_Activity.class);
startActivity(its12);
getActivity().overridePendingTransition(R.anim.from_right, R.anim.slide_to_left);
getActivity().finish();
}
} else {
Toast.makeText(context,msg, Toast.LENGTH_LONG).show();
}
}catch(Exception ex){
}
}
}
//会话管理器类
package com.example.agridept.domain;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import com.example.agridept.ui.CDP_login.CDP_MainFragment;
public class Session {
private static Session jInstance;
SharedPreferences preferences;
SharedPreferences.Editor editor;
Context context;
int PRIVATE_MODE = 0;
private static final String IS_LOGIN = "IsLoggedIn";
private static final String PREF_NAME = "AndroidHivePref";
String emp_id1,username1,password1 ,empname1 , office1 , desig1, mobile1, office_code1, OfficeType1 , district1 ,DistrictName1 , designationCode1, DesignationName11 , DesigShortName1;
public Session(Context context){
this.context = context;
preferences = context.getSharedPreferences(PREF_NAME, PRIVATE_MODE);
editor = preferences.edit();
}
public void loginsession(String emp_id,String username,String password11 ,String empname ,String office ,String desig,String mobile,String office_code,String OfficeType ,String district ,String DistrictName ,String designationCode,String DesignationName1 ,String DesigShortName){
editor.putBoolean(IS_LOGIN, true);
editor.putString(emp_id1,emp_id);
editor.putString(username1,username);
editor.putString(password1,password11);
editor.putString(empname1,empname);
editor.putString(office1,office);
editor.putString(desig1,desig);
editor.putString(mobile1,mobile);
editor.putString(office_code1,office_code);
editor.putString(OfficeType1,OfficeType);
editor.putString(district1,district);
editor.putString(DistrictName1,DistrictName);
editor.putString(designationCode1,designationCode);
editor.putString(DesignationName11,DesignationName1);
editor.putString(DesigShortName1,DesigShortName);
}
public boolean isLoggedIn() {
return preferences.getBoolean(IS_LOGIN, false);
}
public void logoutUser() {
// Clearing all data from Shared Preferences
editor.clear();
editor.commit();
// After logout redirect user to Loing Activity
Intent i = new Intent(context, CDP_MainFragment.class);
// Closing all the Activities
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
// Add new Flag to start new Activity
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// Staring Login Activity
context.startActivity(i);
}
public void clearinfo() {
// Clearing all data from Shared Preferences
editor.clear();
editor.commit();
}
public SharedPreferences getPreferences() {
return preferences;
}
public void setPreferences(SharedPreferences preferences) {
this.preferences = preferences;
}
public SharedPreferences.Editor getEditor() {
return editor;
}
public void setEditor(SharedPreferences.Editor editor) {
this.editor = editor;
}
public Context getContext() {
return context;
}
public void setContext(Context context) {
this.context = context;
}
public int getPRIVATE_MODE() {
return PRIVATE_MODE;
}
public void setPRIVATE_MODE(int PRIVATE_MODE) {
this.PRIVATE_MODE = PRIVATE_MODE;
}
public static String getIsLogin() {
return IS_LOGIN;
}
public static String getPrefName() {
return PREF_NAME;
}
public String getEmp_id1() {
return emp_id1;
}
public void setEmp_id1(String emp_id1) {
this.emp_id1 = emp_id1;
}
public String getPassword1() {
return password1;
}
public void setPassword1(String password1) {
this.password1 = password1;
}
public String getEmpname1() {
return empname1;
}
public void setEmpname1(String empname1) {
this.empname1 = empname1;
}
public String getOffice1() {
return office1;
}
public void setOffice1(String office1) {
this.office1 = office1;
}
public String getDesig1() {
return desig1;
}
public void setDesig1(String desig1) {
this.desig1 = desig1;
}
public String getMobile1() {
return mobile1;
}
public void setMobile1(String mobile1) {
this.mobile1 = mobile1;
}
public String getOffice_code1() {
return office_code1;
}
public void setOffice_code1(String office_code1) {
this.office_code1 = office_code1;
}
public String getOfficeType1() {
return OfficeType1;
}
public void setOfficeType1(String officeType1) {
OfficeType1 = officeType1;
}
public String getDistrict1() {
return district1;
}
public void setDistrict1(String district1) {
this.district1 = district1;
}
public String getDistrictName1() {
return DistrictName1;
}
public void setDistrictName1(String districtName1) {
DistrictName1 = districtName1;
}
public String getDesignationCode1() {
return designationCode1;
}
public void setDesignationCode1(String designationCode1) {
this.designationCode1 = designationCode1;
}
public String getDesignationName11() {
return DesignationName11;
}
public void setDesignationName11(String designationName11) {
DesignationName11 = designationName11;
}
public String getDesigShortName1() {
return DesigShortName1;
}
public void setDesigShortName1(String desigShortName1) {
DesigShortName1 = desigShortName1;
}
public static synchronized Session getInstance(Context context) {
if (jInstance != null) {
return jInstance;
} else {
jInstance = new Session(context);
return jInstance;
}
}
}