我正在尝试在正在使用的应用中实施日/夜模式 为达到目的，我在 styles.xml 中创建了两个主题，白天和夜晚使用不同的颜色
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这是attrs.xml文件，我在其中实现了可样式化
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!-- Base application theme. -->
<!-- Light Mode -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">#2196F3</item>
<item name="colorPrimaryDark">#1976D2</item>
<item name="colorAccent">@color/colorAccent</item>
<item name="backgroundcolor">#fcfcfc</item>
<item name="cardbackground">#ffffff</item>
<item name="textcolor">#808080</item>
<item name="tintcolor">#000000</item>
<item name="buttoncolor">#2196F3</item>
</style>
<!-- Dark Mode -->
<style name="darktheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">#212121</item>
<item name="colorPrimaryDark">#000000</item>
<item name="colorAccent">@color/colorAccent</item>
<item name="backgroundcolor">#303030</item>
<item name="cardbackground">#424242</item>
<item name="textcolor">#FFFFFF</item>
<item name="tintcolor">#FFFFFF</item>
<item name="buttoncolor">#2196F3</item>
</style>
</resources>
我在布局文件中引用了 attrs ，因此我可以动态更改主题，这是适配器的布局文件
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="ds" >
<attr name="backgroundcolor" format="color"/>
<attr name="cardbackground" format="color"/>
<attr name="textcolor" format="color"/>
<attr name="tintcolor" format="color"/>
<attr name="buttoncolor" format="color"/>
</declare-styleable>
</resources>
但是当我在适配器中填充布局文件时，它给了我 InflationError 并导致应用崩溃
这是适配器文件的Java代码
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:card_view="http://schemas.android.com/apk/res-auto"
android:orientation="vertical"
android:layout_width="match_parent"
android:minHeight="500dp"
android:layout_margin="5dp"
android:layout_height="match_parent"
android:background="?attr/backgroundcolor">
<android.support.v7.widget.CardView
android:id="@+id/card_view"
android:layout_gravity="center"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="5dp"
card_view:cardCornerRadius="7dp"
card_view:contentPadding="10dp"
android:background="?attr/cardbackground">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="?attr/backgroundcolor">
<ImageView
android:id="@+id/imageView"
android:layout_width="match_parent"
android:layout_height="200dp"
android:src="@drawable/images"
android:scaleType="centerCrop"/>
<TextView
android:id="@+id/header"
android:layout_width="wrap_content"
android:padding="2dp"
android:text="Hello"
android:textColor="?attr/textcolor"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:textSize="18sp"
android:textStyle="bold" />
<TextView
android:id="@+id/mNews"
android:layout_width="wrap_content"
android:padding="2dp"
android:layout_height="wrap_content"
android:text="Asam"
android:layout_marginTop="10dp"
android:textSize="16sp"
android:textStyle="italic"
android:textColor="?attr/textcolor"/>
</LinearLayout>
</android.support.v7.widget.CardView>
</LinearLayout>
由于充气时 atts 而给出错误，这是堆栈跟踪
public class HorizontalPagerAdapter extends PagerAdapter {
String mResources[] = {"spider man description", "Iron man description", "batman description", "superman description"};
String mHeader[] = {"Spider-Man", "Iron Man", "BatMan", "Super Man"};
int mImages[] = {R.drawable.images, R.drawable.ironman, R.drawable.batman, R.drawable.super_man};
Context mContext;
LayoutInflater mLayoutInflater;
public HorizontalPagerAdapter(Context context) {
mContext = context;
mLayoutInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return mResources.length;
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view == ((LinearLayout) object);
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
View itemView = mLayoutInflater.inflate(R.layout.content_main, container, false);
TextView newsHeader = (TextView) itemView.findViewById(R.id.header);
TextView newsContent = (TextView) itemView.findViewById(R.id.mNews) ;
ImageView imageView = (ImageView) itemView.findViewById(R.id.imageView);
newsHeader.setText(mHeader[position]);
newsContent.setText(mResources[position]);
imageView.setImageResource(mImages[position]);
container.addView(itemView);
return itemView;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView((LinearLayout) object);
}
}
我该如何解决？