Set some acitvities as open

src/main/java/com/kdanmobile/kdanloginregisterui/screen/BindAccountActivity.kt

@@ -9,7 +9,7 @@ import com.kdanmobile.kdanloginregisterui.R
 import kotlinx.android.synthetic.main.activity_bind_account.*
 import org.apache.commons.validator.routines.EmailValidator
 
-class BindAccountActivity : AppCompatActivity() {
+open class BindAccountActivity : AppCompatActivity() {
 
     protected var email: String
         get() = et_bindAccount_email.text.toString()

src/main/java/com/kdanmobile/kdanloginregisterui/screen/LoginAActivity.kt

@@ -7,7 +7,7 @@ import android.widget.Toast
 import com.kdanmobile.kdanloginregisterui.R
 import kotlinx.android.synthetic.main.activity_login_a.*
 
-class LoginAActivity : BaseLoginActivity() {
+open class LoginAActivity : BaseLoginActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)

src/main/java/com/kdanmobile/kdanloginregisterui/screen/RegisterAActivity.kt

@@ -7,7 +7,7 @@ import android.widget.Toast
 import com.kdanmobile.kdanloginregisterui.R
 import kotlinx.android.synthetic.main.activity_register_a.*
 
-class RegisterAActivity : BaseRegisterActivity() {
+open class RegisterAActivity : BaseRegisterActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)

src/main/java/com/kdanmobile/kdanloginregisterui/screen/RegisterBActivity.kt

@@ -10,7 +10,7 @@ import com.kdanmobile.kdanloginregisterui.R
 import com.kdanmobile.kdanloginregisterui.widget.EmailRegisterFormView
 import kotlinx.android.synthetic.main.activity_register_b.*
 
-class RegisterBActivity : BaseRegisterActivity() {
+open class RegisterBActivity : BaseRegisterActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)