如何更改微调器的背景颜色? [英] how can i change spinner background color?

问题描述

如何更改微调器的背景颜色?

How can i change spinner background color ?

这是样式中的黑色.

如何更改微调框弹出的样式颜色?

How can i change style color for spinner pop up?

我想将背景颜色更改为黑色，而不是黑色.

I want to change background color white in place of black How can i change ?

旋转者

<Spinner
    android:id="@+id/spinner"
    android:layout_width="100dp"
    android:layout_marginTop="1dp"
    android:layout_height="wrap_content"
    android:background="@drawable/spinner_bg"
    android:layout_marginLeft="1dp"/>

spinnerbg.xml

spinnerbg.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <color android:color="@color/InputBg1" />
    </item>
    <item android:gravity="center_vertical|right" android:right="8dp">
        <layer-list>
            <item android:width="12dp" android:height="12dp" android:background="#fff" android:gravity="center" android:bottom="10dp">
                <rotate
                    android:fromDegrees="45"
                    android:toDegrees="45">
                    <shape android:shape="rectangle">
                        <solid android:color="#ffffff" />
                        <stroke android:color="#ffffff" android:width="1dp"/>
                    </shape>
                </rotate>
            </item>
            <item android:width="20dp" android:height="10dp" android:bottom="21dp" android:background="#fff" android:gravity="center">
                <shape android:shape="rectangle">
                    <solid android:color="@color/InputBg1"/>
                </shape>
            </item>
        </layer-list>
    </item>
</layer-list>

推荐答案

事物耦合与自定义微调器有关，如下所示:-

Couple of things need to do with customization spinner as per below :-

spinner_bg.xml

spinner_bg.xml

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

<color android:color="@color/InputBg1" />
</item>
<item android:gravity="center_vertical|right" android:right="8dp">
<layer-list>
<item android:width="12dp" android:height="12dp"  android:gravity="center" android:bottom="10dp">
    <rotate
        android:fromDegrees="45"
        android:toDegrees="45">
        <shape android:shape="rectangle">
            <solid android:color="#ffffff" />
            <stroke android:color="#ffffff" android:width="1dp"/>
        </shape>
    </rotate>
</item>
<item android:width="20dp" android:height="10dp" android:bottom="21dp" android:gravity="center">
    <shape android:shape="rectangle">
        <solid android:color="@color/InputBg1"/>
    </shape>
</item>
</layer-list>
</item>
</layer-list>

spinner_item.xml

spinner_item.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@android:id/text1"
    style="@style/spinnerItemStyle"
    android:maxLines="1"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:textColor="#ffffff"
    android:ellipsize="marquee"
    android:textAlignment="inherit"/>

spinner_dropdown_item.xml

spinner_dropdown_item.xml

<?xml version="1.0" encoding="utf-8"?>
<CheckedTextView 
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@android:id/text1"
    style="@style/spinnerItemStyle"
    android:maxLines="1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:textColor="#000000"
    android:ellipsize="marquee"/>

旋转器

<Spinner
android:id="@+id/spinner"
android:layout_width="100dp"
android:popupBackground="#ffffff"
android:layout_marginBottom="1dp"
android:layout_height="wrap_content"
android:textColor="#ffff"
style="@style/spinnerItemStyle"
android:background="@drawable/spinner_bg"
android:layout_marginLeft="1dp" />

style.xml

style.xml

<style name="spinnerItemStyle" parent="@android:style/Widget.Holo.DropDownItem.Spinner">
    <item name="android:textColor">#000000</item>
</style>

为微调框创建适配器

ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this, R.layout.spinner_item, categories);
// Drop down layout style - list view with radio button
dataAdapter.setDropDownViewResource(R.layout.spinner_dropdown_item);

这篇关于如何更改微调器的背景颜色?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！