[안드로이드 기초] 액션바 탭바 프레그먼트

액션바 탭바 프레그먼트

#개념

#화면

#설정

왼족 네비게이션 바에서 values-> style.xml 들어가서 parent 부분을 NoActionBar로 해준다.

<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">

외부라이브러리 추가

file->project structure -> app -> dependenc.. ->  + 클릭 -> 라이브러리 디펜텐시스 com.android.support.design 클릭-> ok

build gradle 적용(맨밑에)

compile 'com.android.support:design:25.+'

#메인 엑티비티 레이아웃

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto">
 
 
    //전체 레이아웃 잡아줌
     <android.support.design.widget.CoordinatorLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
         //액션바 레이아웃
         <android.support.design.widget.AppBarLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
 
 
             //툴바정의
             <android.support.v7.widget.Toolbar
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:background="@color/colorPrimaryDark"
                 android:elevation="1dp"
                 android:id="@+id/toolbar">
             </android.support.v7.widget.Toolbar>
 
 
             //탭레이아웃(탭버튼을 담는다.)
             <android.support.design.widget.TabLayout
                 android:id="@+id/tabs"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:elevation="1dp"
                 android:background="@android:color/background_light"
                 app:tabMode="fixed"
                 app:tabGravity="fill"
                 app:tabTextColor="@color/colorPrimary"
                 app:tabSelectedTextColor="@color/colorAccent">
             </android.support.design.widget.TabLayout>
 
 
         </android.support.design.widget.AppBarLayout>
 
 
         //프레그먼트 넣을 곳
         <FrameLayout
             android:id="@+id/container"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_behavior="@string/appbar_scrolling_view_behavior">
         </FrameLayout>
 
     </android.support.design.widget.CoordinatorLayout>
 
</RelativeLayout>
 

#프레그먼트 1,2,3 레이아웃

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">
 
    <TextView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:text="fragment1"
        android:textSize="40dp"
        android:background="@android:color/holo_purple"
        />
 
</LinearLayout>

#메인 엑티비티.java

package me.happygate.myactionbar;
 
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
 
public class MainActivity extends AppCompatActivity {
 
    Fragment1 fragment1;
    Fragment2 fragment2;
    Fragment3 fragment3;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
 
        //1툴바 설정
        Toolbar toolbar=(Toolbar)findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
 
 
        //2xml 프래그먼트를 보여주기
 
        fragment1=new Fragment1();
 
        fragment2=new Fragment2();
 
        fragment3=new Fragment3();
 
        //프레그먼트를 메니져로 보여줌
        getSupportFragmentManager().beginTransaction().add(R.id.container,fragment1).commit();
 
 
 
 
        //3탭기능 구성
        TabLayout tabs=(TabLayout)findViewById(R.id.tabs);
        tabs.addTab(tabs.newTab().setText("친구"));
        tabs.addTab(tabs.newTab().setText("일대일채팅"));
        tabs.addTab(tabs.newTab().setText("기타"));
 
 
 
        //탭버튼을 클릭했을 때 프레그먼트 동작
        tabs.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
            @Override
            public void onTabSelected(TabLayout.Tab tab) {
 
                //선택된 탭 번호 반환
                int position =tab.getPosition();
 
                Fragment selected = null;
 
                if(position == 0 ){
 
                    selected = fragment1;
 
                }else if(position == 1 ){
 
                    selected =fragment2;
 
                }else if(position == 2 ){
 
                    selected =fragment3;
                }
 
                //선택된 프레그먼트로 바꿔줌
                getSupportFragmentManager().beginTransaction().replace(R.id.container, selected).commit();
            }
 
            @Override
            public void onTabUnselected(TabLayout.Tab tab) {
 
 
            }
 
            @Override
            public void onTabReselected(TabLayout.Tab tab) {
 
            }
        });
 
    }
}
 

#프레그먼트1,2,3 .java

package me.happygate.myactionbar;
 
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
 
 
public class Fragment1 extends Fragment {
 
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
 
        // xml 로 만들어준 프레그먼트를 자바 단에서 만들어줌
        ViewGroup rootGroup =(ViewGroup)inflater.inflate(R.layout.fragment1,container,false);
        return  rootGroup;
 
    }
}