private void doRegister(){
        btnRegister.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String name = etName.getText().toString().trim();
                String email = etEmail.getText().toString().trim();
                String pass = etPass.getText().toString().trim();
                if(!name.isEmpty() && !email.isEmpty() && !pass.isEmpty() && pass.length() > 8 && name.length() > 8){
                    mProgressBar.setVisibility(View.VISIBLE);
                    btnRegister.setEnabled(false);
                    Call<WrappedResponse<User>> user_ = userService.register(name, email, pass);
                    user_.enqueue(new Callback<WrappedResponse<User>>() {
                        @Override
                        public void onResponse(Call<WrappedResponse<User>> call, Response<WrappedResponse<User>> response) {
                            if(response.isSuccessful()){
                                WrappedResponse<User> body = response.body();
                                if(body.getStatus() == 1)){
                                    mUser = body.getData();
                                    if(mUser != null){
                                        Log.d(TAG, mUser.getApi_token());
                                        setLoggedIn(mUser.getApi_token());
                                    }else{
                                        Toast.makeText(RegisterActivity.this, "Response success with error", Toast.LENGTH_SHORT).show();
                                    }
                                }
                            }else{
                                Toast.makeText(RegisterActivity.this, "Register failed", Toast.LENGTH_SHORT).show();
                            }
                            mProgressBar.setVisibility(View.INVISIBLE);
                            btnRegister.setEnabled(true);
                        }
                        @Override
                        public void onFailure(Call<WrappedResponse<User>> call, Throwable t) {
                            Log.d(TAG, "ydhnwb "+t.getMessage());
                            mProgressBar.setVisibility(View.INVISIBLE);
                            btnRegister.setEnabled(true);
                            Toast.makeText(RegisterActivity.this, "Something went wrong", Toast.LENGTH_SHORT).show();
                        }
                    });
                }else{
                    Toast.makeText(RegisterActivity.this, "Please fill all forms. Minimum character is 8 for all form", Toast.LENGTH_LONG).show();
                }
            }
        });
    }