Issue
I have created a class called UserAuthentication
for setting up login and sign in. I am using volley to communicate with the database.
Everything works fine except that I cannot open the next activity when the operation is successful.
I have tried this but nothing happens :
Intent intent = new Intent(context,NextActivity.class);
context.startActivity(intent);
Also, when I type context.startActivity()
Android Studio prompts me to add @RequiresPermission
but when i do add it, it gives me an error.
UserAuthentication Class -> SignUp() code :
public void SignUp(String userName,String userSignUpEmail, String userSignUpPassword){
StringRequest stringRequest = new StringRequest(Request.Method.POST,
Constants.URL_SIGNUP,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
JSONObject jsonObject = new JSONObject(response);
result = jsonObject.getString("message");
if(Objects.equals(result, "Sign Up Successful")){
Toast.makeText(context, result, Toast.LENGTH_SHORT).show();
SharedPrefManager.getInstance(context).userSignIn(
jsonObject.getInt("userId"),
jsonObject.getString("userName"),
jsonObject.getString("userEmail"));
Intent intent = new Intent(context,NextActivity.class);
context.startActivity(intent);
}
} catch (JSONException e) {
e.printStackTrace();
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
// progressDialog.dismiss();
Log.d("SignUpError",error.getMessage());
}
}){
@Override
protected Map<String, String> getParams() {
Map<String,String> params = new HashMap<>();
params.put("userName",userName);
params.put("userSignUpEmail",userSignUpEmail);
params.put("userSignUpPassword",userSignUpPassword);
return params;
}
};
RequestHandler.getInstance(context).addToRequestQueue(stringRequest);
}
In my Activity where I call my class function :
signUpButton.setOnClickListener(v -> {
String userName = usersignUpName.getText().toString();
String userSignUpEmail = usersignUpEmail.getText().toString();
String userPassword = userpassword.getText().toString();
String userConfirmPassword = userconfirmPassword.getText().toString();
if(userPassword.equals(userConfirmPassword)) {
UserAuthentication userAuthentication = new UserAuthentication(SignUpActivity.this);
userAuthentication.SignUp(userName, userSignUpEmail, userPassword));
}
else{
Toast.makeText(SignUpActivity.this, "Passwords do not match !", Toast.LENGTH_SHORT).show();
}
});
Solution
There was no error in the Intent
and in startActivity()
.
I was trying to access a string from the JSONObject in SharedPrefManager
when I had not passed any in my PHP code.
These statements works just fine -
Intent intent = new Intent(conext,NextActivity.class);
startActivity(intent);
Answered By - kandy kane
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