GridView中的Android(Xamarin)填充 [英] Android (Xamarin) padding in gridview

问题描述

我有一些使用gridview和自定义适配器创建的按钮，但是这些按钮周围有一个填充，我认为这是gridview的一部分.我找到了此线程，并尝试了解决方案，但是无法解决问题.这是应用程序的图片:

I have some buttons I've created using gridview and a custom adapter, but the buttons are surrounded by a padding which I believe to be part of the gridview. I found this thread and tried the solutions but was unable to fix the problem. Here is a picture of the app:

XML代码:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:weightSum="1"
    android:orientation="vertical"
    android:focusable="true"
    android:focusableInTouchMode="true"
    android:background="@drawable/background">
    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="0dp"
        android:layout_weight="0.4" />
    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="0dp"
        android:layout_weight="0.6">
        <GridView
            android:id="@+id/mainMenuGridview"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:numColumns="2"
            android:listSelector="@null"
            android:verticalSpacing="0dp"
            android:horizontalSpacing="0dp" />
    </LinearLayout>
</LinearLayout>

适配器代码:

class CustomAdapter : BaseAdapter
{
    private readonly Context context;
    private int numRows = 2;

    public CustomAdapter(Context c)
    {
        context = c;
    }

    public override int Count
    {
        get { return buttonTexts.Length; }
    }

    public override Java.Lang.Object GetItem(int position)
    {
        return null;
    }

    public override long GetItemId(int position)
    {
        return 0;
    }

    public override View GetView(int position, View convertView, ViewGroup parent)
    {
        Button button;

        if (convertView == null)
        {
            // if it's not recycled, initialize some attributes
            button = new Button(context);
        }
        else
        {
            button = (Button)convertView;
        }

        button.LayoutParameters = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.MatchParent);

        button.SetHeight(Convert.ToInt32((Main_Menu.SCREEN_HEIGHT - Main_Menu.ACTIONBAR_HEIGHT) * 0.6) / numRows);
        button.Text = buttonTexts[position];
        return button;
    }

    private readonly string[] buttonTexts =
    {
        "Button 1",
        "Button 2",
        "Button 3",
        "Button 4"
    };
}

任何帮助将不胜感激！

推荐答案

我不认为这是填充.这似乎是所有Android按钮默认具有的空间"，这是背景的一部分.

I don't believe that's a padding. This seems to be the "space" all Android buttons have by default which is part of the background.

要确认这一点，请将按钮背景更改为任何颜色: button.SetBackgroundColor(Android.Graphics.Color.Gray);

To confirm this change the button background to any color: button.SetBackgroundColor(Android.Graphics.Color.Gray);

这篇关于GridView中的Android(Xamarin)填充的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！