검색창 디자인 및 앱 종료 최적화

@@ -34,7 +34,7 @@ dependencies {
     implementation 'com.google.android.gms:play-services-auth:17.0.0'
     implementation 'androidx.recyclerview:recyclerview:1.1.0-beta05'
     implementation 'com.android.support:appcompat-v7:27.1.1'
-    implementation 'com.android.support:design:27.1.1'
+    implementation 'com.android.support:design:28.0.0'
 
     implementation 'com.google.firebase:firebase-analytics:17.2.0'
     implementation 'com.google.firebase:firebase-messaging:20.0.0'

@@ -23,7 +23,7 @@
         <activity android:name=".SignInActivity" />
         <activity android:name=".SignUpActivity" />
         <activity android:name=".MainActivity" />
-        <activity android:name=".SearchActivity" />
+        <activity android:name=".SearchActivity" android:windowSoftInputMode="adjustNothing"/>
         <activity
             android:name=".SplashActivity"
             android:theme="@style/SplashTheme">

@@ -28,7 +28,6 @@ class MainActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
        //onboarding start
 
-
        //onboarding end
        setContentView(R.layout.activity_main)
 

 package com.example.vip
 
+import android.content.Context
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
 //import androidx.appcompat.widget.SearchView
-import android.widget.SearchView
-import android.widget.Toast
 import androidx.core.app.ComponentActivity.ExtraData
 import androidx.core.content.ContextCompat.getSystemService
 import android.icu.lang.UCharacter.GraphemeClusterBreak.T
 import android.view.View
-import android.widget.Button
 import android.content.Intent
 import android.util.Log
+import android.view.inputmethod.InputMethodManager
+import android.widget.*
 import androidx.core.content.ContextCompat
 import com.google.firebase.database.*
 import com.google.firebase.database.DatabaseReference
@@ -35,21 +35,43 @@ class SearchActivity : AppCompatActivity() {
         setContentView(R.layout.search)
 
         val searchList = ArrayList<SearchItem>()
-
-
+        val no_search : ImageView = findViewById(R.id.no_matching) // 노서치이미지
 
         val searchView: SearchView
         searchView = findViewById(R.id.searchForm)
+        //searchView.onActionViewExpanded(); //new Added line
+        searchView.setIconifiedByDefault(false)
+
+        fun CloseKeyboard()
+        {
+            var view = this.currentFocus
+
+            if(view != null)
+            {
+                val inputMethodManager = getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+                inputMethodManager.hideSoftInputFromWindow(view.windowToken, 0)
+            }
+        }
 
         searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
             override fun onQueryTextSubmit(query: String): Boolean {
                 // 검색 버튼이 눌러졌을 때 이벤트 처리
+                val layout : LinearLayout = findViewById(R.id.hashtag_linear)
+                layout.setVisibility(View.GONE)
 
+                CloseKeyboard()
                 database.orderByChild("Policy").startAt("$query").endAt("$query"+"\uf8ff").addListenerForSingleValueEvent(object : ValueEventListener {
                     override fun onCancelled(p0: DatabaseError) {
                         Toast.makeText(this@SearchActivity, "실패부분 : $query", Toast.LENGTH_SHORT).show()
                     }
                     override fun onDataChange(dataSnapshot: DataSnapshot) {
+                        if (dataSnapshot.exists() == false){ // 값 없을 때
+                            no_search.setVisibility(View.VISIBLE)
+                        }
+                        else {
+                            no_search.setVisibility(View.GONE)
+                        }
+
                         for (memoSnapshot in dataSnapshot.children){
                             val memo = memoSnapshot.getValue(MemoItem::class.java)
 

@@ -4,6 +4,7 @@ import android.content.Intent
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
+import android.widget.Toast
 import androidx.appcompat.app.ActionBar
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
@@ -90,6 +91,20 @@ class SignInActivity : AppCompatActivity() {
         return true
     }
 
+    var back_pressed: Long = 0 // 뒤로가기 종료
+
+    override fun onBackPressed() {
+        if (back_pressed + 2000 > System.currentTimeMillis()) {
+            finishAffinity()
+            System.runFinalization()
+            System.exit(0)
+        }
+            //super.onBackPressed()
+        else
+            Toast.makeText(getBaseContext(), "\'뒤로\' 버튼을 한번 더 누르시면 종료됩니다.", Toast.LENGTH_SHORT).show()
+        back_pressed = System.currentTimeMillis()
+    }
+
     // 4.툴바 메뉴 버튼이 클릭 됐을 때 콜백
     override fun onOptionsItemSelected(item: MenuItem?): Boolean {
     // 클릭된 메뉴 아이템의 아이디 마다 when 구절로 클릭시 동작을 설정한다.

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle" >
+    <solid android:color="@android:color/transparent" />
+    <stroke
+        android:width="3dp"
+        android:color="#C029ABE2" />
+    <corners android:radius="30dp"/>
+    <!--<padding
+        android:top="8dp"/>-->
+
+</shape>
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