■ Layout 실습
1. 기능은 없지만 레이아웃 실습을 위한 예제입니다. 버튼마다 이벤트 처리해줘야하는데 이건 나중에..ㅎ.. 근데 layout_weight 비율이 왜 이렇게 들어가는지는 잘 모르겠지만.. (아마 화면 비율을 더 많이 차지하는 레이아웃이 숫자가 더 작은 것 같다)
-> layout_height = "0dp"로 주고 layout_weight를 화면에 보이는 만큼 숫자를 지정하면 (아래 예제코드에서 처럼 역비율로 주지않고) 된다!!
[ activity_main.xml ]
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.mijinpark.a0527ex1.MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<EditText
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/textArea"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="3"
android:orientation="horizontal">
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:id="@+id/buttonSave"
android:text="@string/save"/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:id="@+id/buttonCancel"
android:text="@string/cancel"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="3">
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/buttonExit"
android:text="@string/exit"/>
</LinearLayout>
</LinearLayout> |
cs |
[ string.xml ]
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<resources>
<string name="app_name">0527Ex1</string>
<string name="save">Save</string>
<string name="cancel">Cancel</string>
<string name="exit">Exit</string>
</resources>
|
cs |
[ MainActivity.java ]
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package com.example.mijinpark.a0527ex1;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
} |
cs |
결과
2. 아직 소리기능은 넣지 않은 piano 뷰 소스입니다.
[ activity_main.xml ]
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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/element"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
tools:context="com.example.mijinpark.a0527piano.MainActivity">
<!-- 흰건반 -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<!-- 도 -->
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="20">
<Button
android:id="@+id/doo"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
android:soundEffectsEnabled="false" />
</LinearLayout>
<!-- 줄 -->
<LinearLayout
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#000000"></LinearLayout>
<!-- 레 -->
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="20">
<Button
android:id="@+id/re"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
android:soundEffectsEnabled="false" />
</LinearLayout>
<!-- 줄 -->
<LinearLayout
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#000000"></LinearLayout>
<!-- 미 -->
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="20">
<Button
android:id="@+id/mi"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
android:soundEffectsEnabled="false" />
</LinearLayout>
<!-- 줄 -->
<LinearLayout
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#000000"></LinearLayout>
<!-- 파 -->
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="20">
<Button
android:id="@+id/pa"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
android:soundEffectsEnabled="false" />
</LinearLayout>
<!-- 줄 -->
<LinearLayout
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#000000"></LinearLayout>
<!-- 솔 -->
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="20">
<Button
android:id="@+id/sol"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
android:soundEffectsEnabled="false" />
</LinearLayout>
<!-- 줄 -->
<LinearLayout
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#000000"></LinearLayout>
<!-- 라 -->
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="20">
<Button
android:id="@+id/la"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
android:soundEffectsEnabled="false" />
</LinearLayout>
<!-- 줄 -->
<LinearLayout
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#000000"></LinearLayout>
<!-- 시 -->
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="20">
<Button
android:id="@+id/si"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
android:soundEffectsEnabled="false" />
</LinearLayout>
<!-- 줄 -->
</LinearLayout>
<!-- 검은건반 -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="3"
android:visibility="invisible"></LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2">
<Button
android:id="@+id/doS"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000"
android:soundEffectsEnabled="false" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2"
android:visibility="invisible"></LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2">
<Button
android:id="@+id/reS"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000"
android:soundEffectsEnabled="false" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="6"
android:visibility="invisible"></LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2">
<Button
android:id="@+id/paS"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000"
android:soundEffectsEnabled="false" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2"
android:visibility="invisible"></LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2">
<Button
android:id="@+id/solS"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000"
android:soundEffectsEnabled="false" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2"
android:visibility="invisible"></LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2">
<Button
android:id="@+id/laS"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000"
android:soundEffectsEnabled="false" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="3"
android:visibility="invisible"></LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:visibility="invisible"></LinearLayout>
</LinearLayout>
</RelativeLayout>
|
cs |
실행 결과
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