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Java 安卓可以'；t使用属性值膨胀布局文件

java android xml android-layout

Java 安卓可以'；t使用属性值膨胀布局文件,java,android,xml,android-layout,android-night-mode,Java,Android,Xml,Android Layout,Android Night Mode,我正在开发一款可以在夜间模式和日间模式之间切换的应用程序 我用这些值创建了一个attrs文件 <?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="ds" > <attr name="backgroundcolor" format="color"/> <attr name="cardbackground

我正在开发一款可以在夜间模式和日间模式之间切换的应用程序 我用这些值创建了一个attrs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>
因此，运行应用程序时会出现此错误

E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.slimshady.newsreaderfinal, PID: 5440
    android.view.InflateException: Binary XML file line #2: Binary XML file line #2: Error inflating class <unknown>
    Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class <unknown>
    Caused by: java.lang.reflect.InvocationTargetException
        at java.lang.reflect.Constructor.newInstance0(Native Method)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:334)
        at android.view.LayoutInflater.createView(LayoutInflater.java:647)
        at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
        at android.view.LayoutInflater.onCreateView(LayoutInflater.java:720)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:788)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
        at com.example.slimshady.newsreaderfinal.HorizontalPagerAdapter.instantiateItem(HorizontalPagerAdapter.java:40)
        at android.support.v4.view.ViewPager.addNewItem(ViewPager.java:1010)
        at android.support.v4.view.ViewPager.populate(ViewPager.java:1158)
        at android.support.v4.view.ViewPager.populate(ViewPager.java:1092)
        at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1622)
        at android.view.View.measure(View.java:22071)
        at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:715)
        at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:461)
        at android.view.View.measure(View.java:22071)
        at android.support.v4.widget.DrawerLayout.onMeasure(DrawerLayout.java:1119)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6602)
        at android.widget.FrameLayout.onMeasure(FrameLayout.java:185)
        at android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:143)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6602)
        at android.support.v7.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:401)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6602)
        at android.widget.FrameLayout.onMeasure(FrameLayout.java:185)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6602)
        at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1514)
        at android.widget.LinearLayout.measureVertical(LinearLayout.java:806)
        at android.widget.LinearLayout.onMeasure(LinearLayout.java:685)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6602)
        at android.widget.FrameLayout.onMeasure(FrameLayout.java:185)
        at com.android.internal.policy.DecorView.onMeasure(DecorView.java:724)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2422)
        at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1504)
        at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1761)
        at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1392)
        at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6752)
        at android.view.Choreographer$CallbackRecord.run(Choreographer.java:911)
        at android.view.Choreographer.doCallbacks(Choreographer.java:723)
        at android.view.Choreographer.doFrame(Choreographer.java:658)
        at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:897)
        at android.os.Handler.handleCallback(Handler.java:790)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:164)
        at android.app.ActivityThread.main(ActivityThread.java:6494)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
     Caused by: java.lang.UnsupportedOperationException: Failed to resolve attribute at index 13: TypedValue{t=0x2/d=0x7f030036 a=-1}
        at android.content.res.TypedArray.getDrawableForDensity(TypedArray.java:944)
        at android.content.res.TypedArray.getDrawable(TypedArray.java:928)
        at android.view.View.<init>(View.java:4768)
        at android.view.ViewGroup.<init>(ViewGroup.java:597)
        at android.widget.LinearLayout.<init>(LinearLayout.java:234)
        at android.widget.LinearLayout.<init>(LinearLayout.java:230)
        at android.widget.LinearLayout.<init>(LinearLayout.java:226)
            ... 55 more
Application terminated.

E/AndroidRuntime:致命异常：主
进程：com.example.slimshady.newsreaderfinal，PID:5440
android.view.InflateException:二进制XML文件行#2:二进制XML文件行#2:膨胀类时出错
原因：android.view.InflateException:二进制XML文件行#2:膨胀类时出错
原因：java.lang.reflect.InvocationTargetException
位于java.lang.reflect.Constructor.newInstance0（本机方法）
位于java.lang.reflect.Constructor.newInstance（Constructor.java:334）
位于android.view.LayoutInflater.createView（LayoutInflater.java:647）
位于com.android.internal.policy.PhoneLayoutFlater.onCreateView（phoneLayoutFlater.java:58）
位于android.view.LayoutInflater.onCreateView（LayoutInflater.java:720）
位于android.view.LayoutInflater.createViewFromTag（LayoutInflater.java:788）
位于android.view.LayoutInflater.createViewFromTag（LayoutInflater.java:730）
在android.view.LayoutInflater.inflate（LayoutInflater.java:492）
在android.view.LayoutInflater.充气（LayoutInflater.java:423）
在com.example.slimshady.newreaderfinal.HorizontalPagerAdapter.InstanceItem（HorizontalPagerAdapter.java:40）上
位于android.support.v4.view.ViewPager.addNewItem（ViewPager.java:1010）
位于android.support.v4.view.ViewPager.populate（ViewPager.java:1158）
在android.support.v4.view.ViewPager.populate上（ViewPager.java:1092）
在android.support.v4.view.ViewPager.onMeasure上（ViewPager.java:1622）
在android.view.view.measure（view.java:22071）
位于android.widget.RelativeLayout.measureChildHorizontal（RelativeLayout.java:715）
在android.widget.RelativeLayout.onMeasure（RelativeLayout.java:461）上
在android.view.view.measure（view.java:22071）
位于android.support.v4.widget.DrawerLayout.onMeasure（DrawerLayout.java:1119）
在android.view.view.measure（view.java:22071）
位于android.view.ViewGroup.measureChildWithMargins（ViewGroup.java:6602）
位于android.widget.FrameLayout.onMeasure（FrameLayout.java:185）
位于android.support.v7.widget.ContentFrameLayout.onMeasure（ContentFrameLayout.java:143）
在android.view.view.measure（view.java:22071）
位于android.view.ViewGroup.measureChildWithMargins（ViewGroup.java:6602）
位于android.support.v7.widget.ActionBarOverlayLayout.onMeasure（ActionBarOverlayLayout.java:401）
在android.view.view.measure（view.java:22071）
位于android.view.ViewGroup.measureChildWithMargins（ViewGroup.java:6602）
位于android.widget.FrameLayout.onMeasure（FrameLayout.java:185）
在android.view.view.measure（view.java:22071）
位于android.view.ViewGroup.measureChildWithMargins（ViewGroup.java:6602）
位于android.widget.LinearLayout.measureChildBeforeLayout（LinearLayout.java:1514）
位于android.widget.LinearLayout.measureVertical（LinearLayout.java:806）
位于android.widget.LinearLayout.onMeasure（LinearLayout.java:685）
在android.view.view.measure（view.java:22071）
位于android.view.ViewGroup.measureChildWithMargins（ViewGroup.java:6602）
位于android.widget.FrameLayout.onMeasure（FrameLayout.java:185）
位于com.android.internal.policy.DecorView.onMeasure（DecorView.java:724）
在android.view.view.measure（view.java:22071）
在android.view.ViewRootImpl.performMeasure上（ViewRootImpl.java:2422）
在android.view.ViewRootImpl.measureHierarchy（ViewRootImpl.java:1504）
在android.view.ViewRootImpl.performTraversals上（ViewRootImpl.java:1761）
位于android.view.ViewRootImpl.doTraversal（ViewRootImpl.java:1392）
在android.view.ViewRootImpl$TraversalRunnable.run（ViewRootImpl.java:6752）
在android.view.Choreographer$CallbackRecord.run（Choreographer.java:911）
位于android.view.Choreographer.doCallbacks（Choreographer.java:723）
位于android.view.Choreographer.doFrame（Choreographer.java:658）
在android.view.Choreographer$FrameDisplayEventReceiver.run（Choreographer.java:897）中
位于android.os.Handler.handleCallback（Handler.java:790）
位于android.os.Handler.dispatchMessage（Handler.java:99）
位于android.os.Looper.loop（Looper.java:164）
位于android.app.ActivityThread.main（ActivityThread.java:6494）
位于java.lang.reflect.Method.invoke（本机方法）
位于com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run（RuntimeInit.java:438）
位于com.android.internal.os.ZygoteInit.main（ZygoteInit.java:807）
原因：java.lang.UnsupportedOperationException:未能解析索引13处的属性：TypedValue{t=0x2/d=0x7f030036 a=-1}
位于android.content.res.TypedArray.getDrawableForDensity（TypedArray.java:944）
位于android.content.res.TypedArray.getDrawable（TypedArray.java:928）
在android.view.view.（view.java:4768）
位于android.view.ViewGroup（ViewGroup.java:597）
位于android.widget.LinearLayout.（LinearLayout.java:234）
位于android.widget.LinearLayout.（LinearLayout.java:230）
位于android.widget.LinearLayout.（LinearLayout.java:226）
... 55多
申请终止。
我做错了什么？找不到此联机解决方案，因此我正在创建此线程。

不要使用styleables，在new values night目录中创建另一个styles.xml，并使用更改的值创建另一个AppTheme副本

当展开
视图时，相关属性和值将从
布局展开器所使用的
上下文上的
主题
中提取。在这种情况下，很明显传递给
HorizontalPagerAdapter
的
上下文
上没有正确的
主题
，如中所示

<?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>



    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);
    }
}



E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.slimshady.newsreaderfinal, PID: 5440
    android.view.InflateException: Binary XML file line #2: Binary XML file line #2: Error inflating class <unknown>
    Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class <unknown>
    Caused by: java.lang.reflect.InvocationTargetException
        at java.lang.reflect.Constructor.newInstance0(Native Method)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:334)
        at android.view.LayoutInflater.createView(LayoutInflater.java:647)
        at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
        at android.view.LayoutInflater.onCreateView(LayoutInflater.java:720)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:788)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
        at com.example.slimshady.newsreaderfinal.HorizontalPagerAdapter.instantiateItem(HorizontalPagerAdapter.java:40)
        at android.support.v4.view.ViewPager.addNewItem(ViewPager.java:1010)
        at android.support.v4.view.ViewPager.populate(ViewPager.java:1158)
        at android.support.v4.view.ViewPager.populate(ViewPager.java:1092)
        at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1622)
        at android.view.View.measure(View.java:22071)
        at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:715)
        at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:461)
        at android.view.View.measure(View.java:22071)
        at android.support.v4.widget.DrawerLayout.onMeasure(DrawerLayout.java:1119)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6602)
        at android.widget.FrameLayout.onMeasure(FrameLayout.java:185)
        at android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:143)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6602)
        at android.support.v7.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:401)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6602)
        at android.widget.FrameLayout.onMeasure(FrameLayout.java:185)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6602)
        at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1514)
        at android.widget.LinearLayout.measureVertical(LinearLayout.java:806)
        at android.widget.LinearLayout.onMeasure(LinearLayout.java:685)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6602)
        at android.widget.FrameLayout.onMeasure(FrameLayout.java:185)
        at com.android.internal.policy.DecorView.onMeasure(DecorView.java:724)
        at android.view.View.measure(View.java:22071)
        at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2422)
        at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1504)
        at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1761)
        at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1392)
        at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6752)
        at android.view.Choreographer$CallbackRecord.run(Choreographer.java:911)
        at android.view.Choreographer.doCallbacks(Choreographer.java:723)
        at android.view.Choreographer.doFrame(Choreographer.java:658)
        at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:897)
        at android.os.Handler.handleCallback(Handler.java:790)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:164)
        at android.app.ActivityThread.main(ActivityThread.java:6494)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
     Caused by: java.lang.UnsupportedOperationException: Failed to resolve attribute at index 13: TypedValue{t=0x2/d=0x7f030036 a=-1}
        at android.content.res.TypedArray.getDrawableForDensity(TypedArray.java:944)
        at android.content.res.TypedArray.getDrawable(TypedArray.java:928)
        at android.view.View.<init>(View.java:4768)
        at android.view.ViewGroup.<init>(ViewGroup.java:597)
        at android.widget.LinearLayout.<init>(LinearLayout.java:234)
        at android.widget.LinearLayout.<init>(LinearLayout.java:230)
        at android.widget.LinearLayout.<init>(LinearLayout.java:226)
            ... 55 more
Application terminated.