1. java 소스코드에 프래그먼트 추가하기
소스 코드에서 프래그먼트를 추가하기 위해선 프래그먼트 매니저를 사용해야 한다.
프래그먼트 매니저는 getSupportFragmentManager 메소드를 이용하여 참조한다.
2. 실행 결과 화면
3. activity_main.xml
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:padding="10dp" android:gravity="center"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_marginTop="50dp" android:layout_marginBottom="30dp" android:gravity="center"> <Button android:id="@+id/button1" android:layout_width="150dp" android:layout_height="wrap_content" android:text="프래그먼트1"/> <Button android:id="@+id/button2" android:layout_width="150dp" android:layout_height="wrap_content" android:text="프래그먼트2" /> </LinearLayout> <FrameLayout android:id="@+id/frame_layout" android:layout_width="match_parent" android:layout_height="match_parent"> <!--<fragment android:id="@fragment1main" android:nacom.tistory.qlyh8.pracitice.FragmentActivity11vity" android:layout_width="match_parent" android:layout_height="match_parent"/>--> </FrameLayout> </LinearLayout> | cs |
4. MainActivity.java
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | package com.tistory.qlyh8.pracitice; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Button; public class MainActivity extends AppCompatActivity { Button button1, button2; FragmentActivity1 frameLayout1; FragmentActivity2 frameLayout2; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button1 = findViewById(R.id.button1); button2 = findViewById(R.id.button2); frameLayout1 = new FragmentActivity1(); frameLayout2 = new FragmentActivity2(); button1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // 프래그먼트 매니저가 프래그먼트를 담당하며, 프래그먼트 매니저은 트랜잭션에 기반한다. // replace(): 기존에 있는게 있으면 대체한다. getSupportFragmentManager().beginTransaction() .replace(R.id.frame_layout, frameLayout1).commit(); } }); button2.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { getSupportFragmentManager().beginTransaction() .replace(R.id.frame_layout, frameLayout2).commit(); } }); } } | cs |
5. fragment1.xml
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#aaaaad" android:padding="10dp"> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Fragment 1" android:textSize="30sp" android:textAlignment="center"/> </LinearLayout> | cs |
6.fragment2.xml
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#aaddad" android:padding="10dp"> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Fragment 2" android:textSize="30sp" android:textAlignment="center"/> </LinearLayout> | cs |
7. FragmentActivity1.java
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | package com.tistory.qlyh8.pracitice; 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 FragmentActivity1 extends Fragment { @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.fragment1, container, false); return rootView; } } | cs |
8. FragmentActivity2.java
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | package com.tistory.qlyh8.pracitice; 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 FragmentActivity2 extends Fragment { @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.fragment2, container, false); return rootView; } } | cs |
참고
FragmentManager, FragmentTransaction 에 대해서:
출처: https://www.edwith.org/boostcourse-android/lecture/17074/
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