iOS風の設定項目

background_setting_list.xml

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

    <stroke
        android:width="1dp"
        android:color="@color/list_border" />

    <corners android:radius="10dp" />

    <padding
        android:bottom="0dp"
        android:left="0dp"
        android:right="0dp"
        android:top="0dp" />

    <solid android:color="#ffffff" />

</shape>

setting_list_item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:padding="10dp" >

    <TextView
        android:id="@+id/text"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:layout_weight="1"
        android:text="@string/dummy"
        android:textSize="16dp" />

    <ImageButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:background="@null"
        android:contentDescription="@null"
        android:src="@drawable/next" />

</LinearLayout>

SettingListItem.java

import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

public class SettingListItem extends LinearLayout {

    private String mText;

    public SettingListItem(Context context) {
        this(context, null);
    }

    public SettingListItem(Context context, AttributeSet attrs) {
        super(context, attrs);

        View.inflate(context, R.layout.setting_list_item, this);

        TypedArray a = context.obtainStyledAttributes(attrs,
                R.styleable.SettingListItem);

        this.mText = a.getString(R.styleable.SettingListItem_text);

        a.recycle();

        if (!isInEditMode()) {
            TextView text = (TextView) findViewById(R.id.text);
            text.setText(mText);
        }
    }

    @SuppressWarnings("deprecation")
    @Override
    protected void onLayout(boolean changed, int l, int t, int r, int b) {
        super.onLayout(changed, l, t, r, b);

        LinearLayout parent = (LinearLayout) this.getParent();
        int count = parent.getChildCount();
        int position = 0;
        int index = 0;
        for (int i = 0; i < count; i++) {
            View child = parent.getChildAt(i);
            if (!(child instanceof SettingListItem))
                continue;

            if (child.equals(this)) {
                position = index;
            }
            index++;
        }

        Drawable d = null;
        Resources res = this.getResources();
        if (index == 1) {
            d = res.getDrawable(R.drawable.background_setting_list);
        } else if (position == 0) {
            d = res.getDrawable(R.drawable.background_setting_list_first);
        } else if (position == index - 1 && position % 2 == 0) {
            d = res.getDrawable(R.drawable.background_setting_list_end_even);
        } else if (position == index - 1 && position % 2 == 1) {
            d = res.getDrawable(R.drawable.background_setting_list_end_odd);
        } else if (position % 2 == 0) {
            d = res.getDrawable(R.drawable.background_setting_list_even);
        } else {
            d = res.getDrawable(R.drawable.background_setting_list_odd);
        }
        this.setBackgroundDrawable(d);
    }

}