make indicator

@@ -14,6 +14,7 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
 import android.widget.Toast
+import androidx.core.content.ContextCompat.startActivity
 import com.google.android.gms.tasks.OnCompleteListener
 import com.google.firebase.auth.FirebaseAuth
 import com.google.firebase.iid.FirebaseInstanceId
@@ -32,8 +33,13 @@ class MainActivity : AppCompatActivity() {
        setContentView(R.layout.activity_main)
 
        emailSigninBtn.setOnClickListener{
+           if (edit_email.text.toString() == "" ||  edit_password.text.toString() == "") {
+               Toast.makeText(this@MainActivity, "로그인 정보를 입력 해 주세요", Toast.LENGTH_SHORT).show()
+               }
+           else {
                loginEmail()
            }
+        }
 
        textview2.setOnClickListener{
        }

@@ -7,6 +7,7 @@ import androidx.viewpager.widget.ViewPager
 import kotlinx.android.synthetic.main.activity_signin.*
 import kotlinx.android.synthetic.main.activity_welcome.*
 
+
 class WelcomeActivity : AppCompatActivity() {
 
     internal lateinit var welcomeViewPager: ViewPager
@@ -14,14 +15,34 @@ class WelcomeActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_welcome)
 
-        welcomeViewPager = findViewById(R.id.welcomeViewPager) as ViewPager
-        val viewpageradapter = WelcomeViewPagerAdapter(this)
-        welcomeViewPager.adapter = viewpageradapter
 
         buttonGotIt.setOnClickListener{
             var intent = Intent(this, MainActivity::class.java)
             startActivity(intent)
             finish()
         }
+
+
+        welcomeViewPager = findViewById(R.id.welcomeViewPager1) as ViewPager
+        val viewpageradapter = WelcomeViewPagerAdapter(this)
+        welcomeViewPager.adapter = viewpageradapter
+
+
+        welcomeViewPager.addOnPageChangeListener(object : ViewPager.OnPageChangeListener{
+            override fun onPageScrollStateChanged(p0: Int) {
+
+            }
+
+            override fun onPageScrolled(p0: Int, p1: Float, p2: Int) {
+
+            }
+
+            override fun onPageSelected(p0: Int) {
+                ci2MainActivity.selectDot(p0)
+            }
+
+        })
+
+        ci2MainActivity.createDotPanel(5, R.drawable.indicator_dot_off_onbording, R.drawable.indicator_dot_on, 0)
     }
 }

@@ -7,15 +7,31 @@
     android:orientation="vertical"
     tools:context=".WelcomeActivity">
 
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="1">
+
         <androidx.viewpager.widget.ViewPager
-        android:id="@+id/welcomeViewPager"
+            android:id="@+id/welcomeViewPager1"
             android:layout_width="match_parent"
-        android:layout_height="100dp"
+            android:layout_height="wrap_content"
             android:layout_gravity="fill_vertical"
             android:layout_weight="1">
 
         </androidx.viewpager.widget.ViewPager>
 
+        <com.example.vip.CircleIndicator
+            android:id="@+id/ci2MainActivity"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="top|center_horizontal"
+            android:layout_marginTop="39dp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent" />
+    </FrameLayout>
+
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -26,7 +42,6 @@
             android:id="@+id/buttonGotIt"
             android:layout_width="match_parent"
             android:layout_height="70dp"
-            android:layout_weight="1"
             android:background="#FF29ABE2"
             android:text="회원가입/로그인하기"
             android:textColor="@android:color/white"