[연습문제]
4
XML
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<?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"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#ffc92b">
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#000000">
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#000b8d">
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#009d0d">
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#ff2f2d">
</LinearLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical"
android:background="#0067a3">
</LinearLayout>
</LinearLayout>
5
XML
더보기
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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">
<Button
android:id="@+id/standard"
android:layout_width="150dp"
android:layout_height="150dp"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:text="기준 위젯" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/standard"
android:layout_alignParentLeft="true"
android:layout_toL="@+id/standard"
android:text="1번" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/standard"
android:layout_alignParentLeft="true"
android:text="2번" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toLeftOf="@+id/standard"
android:layout_alignParentBottom="true"
android:text="3번" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/standard"
android:layout_alignParentTop="true"
android:text="4번" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignRight="@+id/standard"
android:layout_alignParentBottom="true"
android:text="5번" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_above="@+id/standard"
android:text="6번" />
</RelativeLayout>
6
XML
더보기
<?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:layout_gravity="center"
android:gravity="center"
android:background="#cb00a4"
android:id="@+id/layout1"
android:orientation="vertical"
tools:context=".MainActivity">
<LinearLayout
android:id="@+id/layout2"
android:layout_width="250dp"
android:layout_height="250dp"
android:layout_gravity="center"
android:gravity="center"
android:orientation="vertical"
android:background="#730089">
<LinearLayout
android:id="@+id/layout3"
android:layout_width="150dp"
android:layout_height="150dp"
android:layout_gravity="center"
android:gravity="center"
android:orientation="vertical"
android:background="#ffd11f">
<LinearLayout
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center"
android:gravity="center"
android:id="@+id/layout4"
android:orientation="vertical"
android:background="#040302">
</LinearLayout>
</LinearLayout>
</LinearLayout>
</LinearLayout>
Java
더보기
package com.cookandroid.a56;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
LinearLayout layout1, layout2, layout3, layout4;
String result;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setTitle("연습문제 5-6");
layout1 = findViewById(R.id.layout1);
layout2 = findViewById(R.id.layout2);
layout3 = findViewById(R.id.layout3);
layout4 = findViewById(R.id.layout4);
layout1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
result = "Width : "+layout1.getWidth()+", Height : "+layout1.getHeight();
Toast.makeText(getApplicationContext(), result, Toast.LENGTH_SHORT).show();
}
});
layout2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
result = "Width : "+layout2.getWidth()+", Height : "+layout2.getHeight();
Toast.makeText(getApplicationContext(), result, Toast.LENGTH_SHORT).show();
}
});
layout3.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
result = "Width : "+layout3.getWidth()+", Height : "+layout3.getHeight();
Toast.makeText(getApplicationContext(), result, Toast.LENGTH_SHORT).show();
}
});
layout4.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
result = "Width : "+layout4.getWidth()+", Height : "+layout4.getHeight();
Toast.makeText(getApplicationContext(), result, Toast.LENGTH_SHORT).show();
}
});
}
}
7
"안드로이드 스튜디오 연습문제 5장 7번"
"안드로이드 프로그래밍 연습문제 5장 7번"
요건 최근에 추가된 문제인지 관련 답이 업로드된 블로그를 못 봐서 검색해서 들어오시라고 강조해봤다!
Java
더보기
package com.cookandroid.a57;
import androidx.appcompat.app.AppCompatActivity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//setContentView(R.layout.activity_main);
setTitle("연습문제 5-7");
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT, 1);
LinearLayout baseLayout = new LinearLayout(this);
baseLayout.setOrientation(LinearLayout.VERTICAL);
baseLayout.setBackgroundColor(Color.BLUE);
setContentView(baseLayout, params);
//1번
LinearLayout one = new LinearLayout(this);
one.setOrientation(LinearLayout.HORIZONTAL);
//빨강
LinearLayout red = new LinearLayout(this);
red.setOrientation(LinearLayout.HORIZONTAL);
red.setBackgroundColor(Color.RED);
//2번
LinearLayout two = new LinearLayout(this);
two.setOrientation(LinearLayout.VERTICAL);
//노랑
LinearLayout yellow = new LinearLayout(this);
yellow.setOrientation(LinearLayout.HORIZONTAL);
yellow.setBackgroundColor(Color.YELLOW);
//검정
LinearLayout black = new LinearLayout(this);
black.setOrientation(LinearLayout.HORIZONTAL);
black.setBackgroundColor(Color.BLACK);
//파랑
LinearLayout blue = new LinearLayout(this);
blue.setOrientation(LinearLayout.HORIZONTAL);
blue.setBackgroundColor(Color.BLUE);
baseLayout.addView(one, params);
baseLayout.addView(blue, params);
one.addView(red, params);
one.addView(two, params);
two.addView(yellow, params);
two.addView(black, params);
}
}
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