홍드로이드의 야매코딩

#25 안드로이드 스튜디오 SNS 앱 만들기 1 (인스타그램 하단바) [ 홍드로이드 ] 본문

Android Java

#25 안드로이드 스튜디오 SNS 앱 만들기 1 (인스타그램 하단바) [ 홍드로이드 ]

홍드로이드 2019. 6. 8. 01:18







< activity_main.xml >
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<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 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"
    tools:context=".MainActivity">
 
    <android.support.design.widget.BottomNavigationView
        android:id="@+id/bottomNavi"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:itemIconTint="#000000"
        app:itemTextColor="#000000"
        app:layout_constraintBottom_toBottomOf="parent"
        app:menu="@menu/bottom_menu"
        tools:layout_editor_absoluteX="8dp" />
 
    <FrameLayout
        android:id="@+id/main_frame"
        android:layout_width="match_parent"
        android:layout_height="659dp"
        app:layout_constraintBottom_toTopOf="@+id/bottomNavi"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">
 
    </FrameLayout>
 
</android.support.constraint.ConstraintLayout>
cs






< frag1.xml >
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<?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:orientation="vertical">
 
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="1번화면 입니다."
        android:textSize="40sp"/>
 
</LinearLayout>
cs



< frag2.xml >
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<?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:orientation="vertical">
 
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="2번화면 입니다."
        android:textSize="40sp"/>
 
</LinearLayout>
cs




< frag3.xml >
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<?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:orientation="vertical">
 
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="3번화면 입니다."
        android:textSize="40sp"/>
 
</LinearLayout>
cs






< frag4.xml >
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<?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:orientation="vertical">
 
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="4번화면 입니다."
        android:textSize="40sp"/>
 
</LinearLayout>
cs









< frag5.xml >
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<?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:orientation="vertical">
 
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="5번화면 입니다."
        android:textSize="40sp"/>
 
</LinearLayout>
cs












< MainActivity.java >
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package com.example.bottomnavi;
 
import android.support.annotation.NonNull;
import android.support.design.widget.BottomNavigationView;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.MenuItem;
 
public class MainActivity extends AppCompatActivity {
 
    private BottomNavigationView bottomNavigationView; // 바텀 네비게이션 뷰
    private FragmentManager fm;
    private FragmentTransaction ft;
    private Frag1 frag1;
    private Frag2 frag2;
    private Frag3 frag3;
    private Frag4 frag4;
    private Frag5 frag5;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
 
        bottomNavigationView = findViewById(R.id.bottomNavi);
        bottomNavigationView.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
                switch (menuItem.getItemId()) {
                    case R.id.action_airplane:
                        setFrag(0);
                        break;
                    case R.id.action_airport:
                        setFrag(1);
                        break;
                    case R.id.action_bt:
                        setFrag(2);
                        break;
                    case R.id.action_call:
                        setFrag(3);
                        break;
                    case R.id.action_run:
                        setFrag(4);
                        break;
                }
                return true;
            }
        });
        frag1 = new Frag1();
        frag2 = new Frag2();
        frag3 = new Frag3();
        frag4 = new Frag4();
        frag5 = new Frag5();
        setFrag(0); // 첫 프래그먼트 화면을 무엇으로 지정해줄 것인지 선택.
 
    }
 
 
 
 
    // 프래그먼트 교체가 일어나는 실행문이다.
    private void setFrag(int n) {
        fm = getSupportFragmentManager();
        ft = fm.beginTransaction();
        switch (n) {
            case 0:
                ft.replace(R.id.main_frame, frag1);
                ft.commit();
                break;
            case 1:
                ft.replace(R.id.main_frame, frag2);
                ft.commit();
                break;
            case 2:
                ft.replace(R.id.main_frame, frag3);
                ft.commit();
                break;
            case 3:
                ft.replace(R.id.main_frame, frag4);
                ft.commit();
                break;
            case 4:
                ft.replace(R.id.main_frame, frag5);
                ft.commit();
                break;
        }
 
 
    }
 
}
 
cs







< Frag1.java >
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package com.example.bottomnavi;
 
import android.os.Bundle;
import android.support.annotation.NonNull;
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 Frag1 extends Fragment {
 
    private View view;
 
 
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.frag1, container, false);
 
 
        return view;
    }
}
 
cs





< Frag2.java >

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package com.example.bottomnavi;
 
import android.os.Bundle;
import android.support.annotation.NonNull;
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 Frag2 extends Fragment {
 
    private View view;
 
 
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.frag2, container, false);
 
 
        return view;
    }
}
 
cs




< Frag3.java >
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package com.example.bottomnavi;
 
import android.os.Bundle;
import android.support.annotation.NonNull;
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 Frag3 extends Fragment {
 
    private View view;
 
 
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.frag3, container, false);
 
 
        return view;
    }
}
 
cs




< Frag4.java >
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package com.example.bottomnavi;
 
import android.os.Bundle;
import android.support.annotation.NonNull;
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 Frag4 extends Fragment {
 
    private View view;
 
 
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.frag4, container, false);
 
 
        return view;
    }
}
 
cs




< Frag5.java >
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package com.example.bottomnavi;
 
import android.os.Bundle;
import android.support.annotation.NonNull;
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 Frag5 extends Fragment {
 
    private View view;
 
 
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.frag5, container, false);
 
 
        return view;
    }
}
 
cs


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