010.lunar
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="${relativePackage}.${activityClass}" >
<LinearLayout
android:id="@+id/layout"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="請輸入年份：" />
<EditText
android:id="@+id/editText1"
android:layout_width="127dp"
android:layout_height="wrap_content"
android:ems="10"
android:hint="西元"
android:inputType="textPersonName" >
<requestFocus />
</EditText>
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onClick"
android:text="計算" />
</LinearLayout>
<ImageView
android:id="@+id/imageView1"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
package com.example.app10;
import android.app.Activity;
import android.content.res.Resources;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;
public class MainActivity extends Activity {
ImageView imageView;
EditText editYear;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
imageView = (ImageView) findViewById(R.id.imageView1);
editYear = (EditText) findViewById(R.id.editText1);
}
public void onClick(View view) {
int year = Integer.parseInt((editYear.getText().toString()));
Resources res = this.getResources();
int id = res.getIdentifier("p" + (year % 12), "drawable", this.getPackageName());
imageView.setImageResource(id);
}
}