android - menu, imageView 응용

파일명 : activity_main.xml

<?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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:src="@drawable/jeju1" />
    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:text="각도입력" />
    <EditText
        android:id="@+id/edtAngle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textView1"
        android:text="0" />

</RelativeLayout>

파일명 : menu1.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:id="@+id/itemRotate"
        android:title="그림회전" />
    <group
        android:checkableBehavior="single">
        <item
            android:id="@+id/item1"
            android:title="한라산">
        </item>
        <item
            android:id="@+id/item2"
            android:title="추자도">
        </item>
        <item
            android:id="@+id/item3"
            android:title="범섬">
        </item>

    </group>

</menu>

파일명 : MainActivity.java

package com.example.it.myapplication7_4;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.EditText;
import android.widget.ImageView;

public class MainActivity extends AppCompatActivity {

    EditText edtText;
    ImageView imageView1;

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

        edtText = (EditText) findViewById(R.id.edtAngle);
        imageView1 = (ImageView) findViewById(R.id.imageView1);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater in = getMenuInflater();
        in.inflate(R.menu.menu1, menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()) {
            case R.id.itemRotate:
                imageView1.setRotation(Float.parseFloat(edtText.getText().toString()));
                return true;
            case R.id.item1:
                imageView1.setImageResource(R.drawable.jeju2);
                return true;
            case R.id.item2:
                imageView1.setImageResource(R.drawable.jeju3);
                return true;
            case R.id.item3:
                imageView1.setImageResource(R.drawable.jeju4);
                return true;
        }

        return super.onOptionsItemSelected(item);

    }
}