Android:需要更改微调器背景颜色
我在XML文件中使用了三个微调器。要更改微调器颜色,直到按下下一个微调器 这是我使用的xml:Android:需要更改微调器背景颜色,android,android-layout,android-spinner,Android,Android Layout,Android Spinner,我在XML文件中使用了三个微调器。要更改微调器颜色,直到按下下一个微调器 这是我使用的xml: <Spinner android:id="@+id/spinner13" android:drawSelectorOnTop="true" android:background="@drawable/mybg" android:layout_width="80dp" android:layout_height="wrap_content" andr
<Spinner
android:id="@+id/spinner13"
android:drawSelectorOnTop="true"
android:background="@drawable/mybg"
android:layout_width="80dp"
android:layout_height="wrap_content"
android:textColor="#0000FF" />
<Spinner
android:id="@+id/spinner23"
android:drawSelectorOnTop="true"
android:background="@drawable/mybg"
android:layout_width="80dp"
android:layout_height="wrap_content"
android:textColor="#0000FF" />
<Spinner
android:id="@+id/spinner33"
android:drawSelectorOnTop="true"
android:background="@drawable/mybg"
android:layout_width="80dp"
android:layout_height="wrap_content"
android:textColor="#0000FF"/>
这是mybg.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true" android:drawable="@style/AppBaseTheme.Yellow"/>
<item android:state_selected="true" android:drawable="@style/AppBaseTheme.Yellow" />
</selector>
风格:
<resources>
<style name="AppBaseTheme" parent="android:Theme.Light">
</style>
<!-- Application theme. -->
<style name="AppTheme" parent="AppBaseTheme">
</style>
<style name="AppBaseTheme.Yellow">
<item name="android:background">#FFAA00</item>
</style>
</resources>
#FFAA00
您可以如下更改mybg.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:state_pressed="true">
<shape android:shape="rectangle">
<solid android:color="#FFAA00"/>
</shape>
</item>
<item
android:state_selected="true">
<shape android:shape="rectangle">
<solid android:color="#FFAA00"/>
</shape>
</item>
</selector>
灵感来自Gustavo的回答,这是我版本的带有下拉箭头的Spinner背景。只有完整的背景,而不仅仅是箭头 这就是它的样子 适用于纺纱机式
<Spinner
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/spinner_bg" />
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/InputBg" />
</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="#666666" />
<stroke android:color="#aaaaaa" android:width="1dp"/>
</shape>
</rotate>
</item>
<item android:width="30dp" android:height="10dp" android:bottom="21dp" android:gravity="center">
<shape android:shape="rectangle">
<solid android:color="@color/InputBg"/>
</shape>
</item>
</layer-list>
</item>
</layer-list>
@color/InputBg
应替换为您想要作为背景的颜色
首先,它用所需的颜色填充背景。然后,子层列表生成一个正方形并将其旋转45度,然后第二个带背景色的矩形覆盖旋转正方形的顶部,使其看起来像一个向下箭头。(在旋转的矩形中有一个额外的笔划,实际上并不需要)我只想保留颜色,直到选择了其他微调器。实际上我使用了3个微调器。如果我应用此背景微调器,形状会完全改变(不显示“>”symbol@gbfsoft您需要覆盖android风格的微调器背景,并在应用程序中使用此新主题。请检查此项,谢谢它的工作!有没有办法使微调器的角变圆?
import android.app.Activity;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.Spinner;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final Spinner sp1, sp2, sp3;
sp1 = (Spinner)findViewById(R.id.spinner1);
sp2 = (Spinner)findViewById(R.id.spinner2);
sp3 = (Spinner)findViewById(R.id.spinner3);
Drawable d = sp1.getBackground();
sp1.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
sp1.setBackgroundResource(R.drawable.mybg);
sp2.setBackgroundResource(R.drawable.spinner_default_holo_light);
sp3.setBackgroundResource(R.drawable.spinner_default_holo_light);
return false;
}
});
sp2.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
sp1.setBackgroundResource(R.drawable.spinner_default_holo_light);
sp2.setBackgroundResource(R.drawable.mybg);
sp3.setBackgroundResource(R.drawable.spinner_default_holo_light);
return false;
}
});
sp3.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
sp1.setBackgroundResource(R.drawable.spinner_default_holo_light);
sp2.setBackgroundResource(R.drawable.spinner_default_holo_light);
sp3.setBackgroundResource(R.drawable.mybg);
return false;
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
<Spinner
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/spinner_bg" />
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<color android:color="@color/InputBg" />
</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="#666666" />
<stroke android:color="#aaaaaa" android:width="1dp"/>
</shape>
</rotate>
</item>
<item android:width="30dp" android:height="10dp" android:bottom="21dp" android:gravity="center">
<shape android:shape="rectangle">
<solid android:color="@color/InputBg"/>
</shape>
</item>
</layer-list>
</item>
</layer-list>