안드교양 11주차

버튼으로 viewflipper 넘기기, 버튼 클릭하면 리니어 레이아웃이 넘어간다

 

viewflipper 메서드로 자동으로 넘기기, 멈추기, 앞뒤 뷰로 넘어가기 동작 가능

<?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"
    tools:context=".MainActivity"
    android:orientation="vertical">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnpre"
            android:text="pre"
            android:layout_weight="1"/>
        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnnext"
            android:text="next"
            android:layout_weight="1"/>
        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnstart"
            android:text="start"
            android:layout_weight="1"/>
        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnstop"
            android:text="stop"
            android:layout_weight="1"/>

    </LinearLayout>

    <ViewFlipper
        android:id="@+id/vf"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <ImageView
            android:layout_gravity="center"
            android:layout_width="250dp"
            android:layout_height="250dp"
            android:src="@mipmap/dog"/>
        <ImageView
            android:layout_gravity="center"
            android:layout_width="250dp"
            android:layout_height="250dp"
            android:src="@mipmap/cat"/>
        <ImageView
            android:layout_gravity="center"
            android:layout_width="250dp"
            android:layout_height="250dp"
            android:src="@mipmap/elephant"/>
    </ViewFlipper>

</LinearLayout>

 

package com.example.aap;

import androidx.annotation.MainThread;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.graphics.Color;
import android.os.Bundle;
import android.os.SystemClock;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.CalendarView;
import android.widget.Chronometer;
import android.widget.RadioButton;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.ViewFlipper;

public class MainActivity extends AppCompatActivity {
    Button btnPre, btnNext, btnStart, btnStop;
    ViewFlipper vf;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);



        vf = findViewById(R.id.vf);
        btnPre = findViewById(R.id.btnpre);
        btnNext = findViewById(R.id.btnnext);
        btnStart = findViewById(R.id.btnstart);
        btnStop = findViewById(R.id.btnstop);

        btnStart.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                vf.startFlipping();
                vf.setFlipInterval(1000);
            }
        });

        btnPre.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                vf.showPrevious();
            }
        });

        btnNext.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                vf.showNext();
            }
        });

        btnStop.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                vf.stopFlipping();
            }
        });
    }
}

 

 

SlidingDrawer <- 드래그로 SlidingDrawer 안의 내용을 보여줌

 

activity_main.xml , 메인액티비티는 x

<?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"
    tools:context=".MainActivity"
    android:orientation="vertical">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="30dp"
        android:text="서랍밖의 내용임"/>
    <SlidingDrawer
        android:content="@+id/content"
        android:handle="@+id/handle"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <Button
            android:id="@+id/handle"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="handle"
            android:textSize="30dp"/>

        <LinearLayout
            android:id="@+id/content"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:background="#009688"
            />
    </SlidingDrawer>

</LinearLayout>

 

 

핸들을 드래그로 올리는 방식

 

 

• 메뉴 만들기

res에 android resource directory로 리소스 폴더, 안드로이드 리소스 파일로 리소스xml을 메뉴 타입으로 만들어서

팝업이 나오고 팝업을 클릭하면 이벤트가 일어나게 할 수 있다

 

 

menu1.xml

 

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">

    <item
        android:id="@+id/itemred"
        android:title="red"/>

    <item
        android:id="@+id/itemblue"
        android:title="blue"/>

    <item
        android:id="@+id/itemgreen"
        android:title="green"/>

    <item
        android:title="sub">
        <menu>
            <item
                android:id="@+id/subrotate"
                android:title="rotate"/>

            <item
                android:id="@+id/subsize"
                android:title="size"/>
        </menu>
    </item>
</menu>

 

activity_main.xml

<?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"
    tools:context=".MainActivity"
    android:orientation="vertical"
    android:gravity="center"
    android:id="@+id/linear">

    <Button
        android:id="@+id/btn1"
        android:text="context1"
        android:textSize="30dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>


</LinearLayout>

 

mainactivity.java

package com.example.aap;

import androidx.annotation.MainThread;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.graphics.Color;
import android.os.Bundle;
import android.os.SystemClock;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.CalendarView;
import android.widget.Chronometer;
import android.widget.LinearLayout;
import android.widget.RadioButton;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.ViewFlipper;

public class MainActivity extends AppCompatActivity {

    Button btn1;
    LinearLayout linear;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        linear = findViewById(R.id.linear);
        btn1 = findViewById(R.id.btn1);
        registerForContextMenu(btn1);
    }

    @Override
    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
        super.onCreateContextMenu(menu, v, menuInfo);
        MenuInflater inflater = getMenuInflater(); //전역함수로 선언
        inflater.inflate(R.menu.menu1, menu);
    }

    @Override
    public boolean onContextItemSelected(@NonNull MenuItem item) {
        super.onContextItemSelected(item);
        if (item.getItemId() == R.id.itemred){
            linear.setBackgroundColor(Color.RED);
        }
        else if (item.getItemId() == R.id.itemblue){
            linear.setBackgroundColor(Color.BLUE);
        }
        else if (item.getItemId() == R.id.itemgreen){
            linear.setBackgroundColor(Color.GREEN);
        }

        else if (item.getItemId() == R.id.subrotate){
            btn1.setRotation(30);
        }

        else if (item.getItemId() == R.id.subsize){
            btn1.setScaleX(2);
        }

        return true;
    }
}

 

 

안드교양 과제

 

MainActivity

 

public class MainActivity extends AppCompatActivity {

 

    Button btn1, btn2;

    LinearLayout linear;

 

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

 

        linear = findViewById(R.id.linear);

        btn1 = findViewById(R.id.btn1);

        btn2 = findViewById(R.id.btn2);

        registerForContextMenu(btn1);

        registerForContextMenu(btn2);

    }

 

    @Override

    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {

        super.onCreateContextMenu(menu, v, menuInfo);

        // Inflate the correct menu based on the view that triggered the context menu

        if (v == btn1) {

            MenuInflater inflater = getMenuInflater();

            inflater.inflate(R.menu.menu1, menu); // Use menu1 for btn1

        } else if (v == btn2) {

            MenuInflater inflater = getMenuInflater();

            inflater.inflate(R.menu.menu2, menu); // Use menu2 for btn2

        }

    }

 

 

 

    @Override

    public boolean onContextItemSelected(@NonNull MenuItem item) {

        super.onContextItemSelected(item);

        if (item.getItemId() == R.id.itemred){

            linear.setBackgroundColor(Color.RED);

        }

        else if (item.getItemId() == R.id.itemblue){

            linear.setBackgroundColor(Color.BLUE);

        }

        else if (item.getItemId() == R.id.itemgreen){

            linear.setBackgroundColor(Color.GREEN);

        }

 

        else if (item.getItemId() == R.id.subrotate){

            btn1.setRotation(30);

        }

 

        else if (item.getItemId() == R.id.subsize){

            btn1.setScaleX(2);

        }

 

        else if (item.getItemId() == R.id.itemcat){

            linear.setBackground(getDrawable(R.drawable.cat));

        }

 

        else if (item.getItemId() == R.id.itemdog){

            linear.setBackground(getDrawable(R.drawable.dog));

        }

 

        else if (item.getItemId() == R.id.itemelephant){

            linear.setBackground(getDrawable(R.drawable.elephant));

        }

        return true;

    }

}

 

Menu2.xml

 

<?xml version="1.0" encoding="utf-8"?>

 

    <item

        android:id="@+id/itemcat"

        android:title="cat" />

 

    <item

        android:id="@+id/itemdog"

        android:title="dog"/>

 

    <item

        android:id="@+id/itemelephant"

        android:title="elephant"/>

</menu>

 

 

결과