Question

出于某种原因，在旧设备（api 23，api 19）上调试我的应用程序时，当我尝试为RecycleView的孩子们充气ViewHolder时出现错误。

我尝试过以下方法：

清洁项目
重建
使缓存无效并重新启动

我无法找到问题的根源：

错误日志：

 android.view.InflateException: Binary XML file line #0: Error inflating class android.support.v7.widget.GridLayout

依赖关系：

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation 'com.android.support:multidex:1.0.3'
    implementation 'com.android.support:appcompat-v7:27.1.0'
    implementation 'com.android.support:gridlayout-v7:27.1.0'
    implementation 'com.android.support:design:27.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    implementation 'com.github.bumptech.glide:glide:3.7.0'
    implementation 'com.android.volley:volley:1.0.0'
    implementation 'com.airbnb.android:lottie:2.5.0-rc1'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
    // ViewModel and LiveData
    implementation 'android.arch.lifecycle:extensions:1.1.0'
    implementation 'android.arch.lifecycle:common-java8:1.1.0'
    // Room (use 1.1.0-alpha3 for latest alpha)
    implementation 'android.arch.persistence.room:runtime:1.0.0'
    annotationProcessor "android.arch.persistence.room:compiler:1.0.0"
    // Paging
    implementation 'android.arch.paging:runtime:1.0.0-alpha6'
    // Test helpers for LiveData
    testImplementation 'android.arch.core:core-testing:1.1.0'
    // Test helpers for Room
    testImplementation 'android.arch.persistence.room:testing:1.0.0'
}

ViewHolder：

public class ViewHolder extends RecyclerView.ViewHolder{

    private TextView rowTitle = null;
    private TextView rowContent = null;
    private ImageView rowImage = null;

    private TextView deleteText = null;
    private TextView completeText = null;

    private DataCommunication mData = null;
    private GlobalLists associatedItem = null;
    private GridLayout background = null;
    private GridLayout foreground = null;

    public ViewHolder(View itemView) {
        super(itemView);

        this.mData = (DataCommunication)itemView.getContext();

        this.background = itemView.findViewById(R.id.backRow);
        this.foreground = itemView.findViewById(R.id.foreRow);

        this.rowTitle = itemView.findViewById(R.id.rowTitle);
        this.rowContent = itemView.findViewById(R.id.rowContent);

        this.deleteText = itemView.findViewById(R.id.deleteText);
        this.completeText = itemView.findViewById(R.id.completeText);

        this.rowImage = itemView.findViewById(R.id.rowImage);

        this.foreground.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.d("ViewHolder", "Clicked!");
                if (associatedItem != null)
                {
                    mData.setItemTitle(associatedItem.getTitle());
                    if(rowContent.getText().toString().length() > 0) {
                        mData.setFullContents(associatedItem.getContents());
                    }
                }
            }
        });

    }

    public void setRowTitle(String title) {
        if (title != null) {
            this.rowTitle.setText(title);
        }
    }

    public void setRowContent(String content) {
        if (content != null && content.length() > 0) {
            this.rowContent.setText(content);
        } else {
            this.rowContent.setText("");
        }
    }

    public void setAssociatedItem(GlobalLists item){
        this.associatedItem = item;
    }

    public TextView getDeleteText() {
        return this.deleteText;
    }

    public TextView getCompleteText() {
        return this.completeText;
    }

    public GridLayout getForeground() {
        return this.foreground;
    }

    public GridLayout getBackground() {
        return this.background;
    }

}




import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.GridLayout;
//other imports

public class ViewHolder extends RecyclerView.ViewHolder{

    private TextView rowTitle = null;
    private TextView rowContent = null;
    private ImageView rowImage = null;

    private TextView deleteText = null;
    private TextView completeText = null;

    private DataCommunication mData = null;
    private GlobalLists associatedItem = null;
    private GridLayout background = null;
    private GridLayout foreground = null;

    public ViewHolder(View itemView) {
        super(itemView);

        this.mData = (DataCommunication)itemView.getContext();

        this.background = itemView.findViewById(R.id.backRow);
        this.foreground = itemView.findViewById(R.id.foreRow);

        this.rowTitle = itemView.findViewById(R.id.rowTitle);
        this.rowContent = itemView.findViewById(R.id.rowContent);

        this.deleteText = itemView.findViewById(R.id.deleteText);
        this.completeText = itemView.findViewById(R.id.completeText);

        this.rowImage = itemView.findViewById(R.id.rowImage);

        this.foreground.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.d("ViewHolder", "Clicked!");
                if (associatedItem != null)
                {
                    mData.setItemTitle(associatedItem.getTitle());
                    if(rowContent.getText().toString().length() > 0) {
                        mData.setFullContents(associatedItem.getContents());
                    }
                }
            }
        });

    }

    public void setRowTitle(String title) {
        if (title != null) {
            this.rowTitle.setText(title);
        }
    }

    public void setRowContent(String content) {
        if (content != null && content.length() > 0) {
            this.rowContent.setText(content);
        } else {
            this.rowContent.setText("");
        }
    }

    public void setAssociatedItem(GlobalLists item){
        this.associatedItem = item;
    }

    public TextView getDeleteText() {
        return this.deleteText;
    }

    public TextView getCompleteText() {
        return this.completeText;
    }

    public GridLayout getForeground() {
        return this.foreground;
    }

    public GridLayout getBackground() {
        return this.background;
    }

}

CustomRow（ViewHolder布局文件）XML：

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_height="110dp"
    android:layout_width="match_parent"
    android:layout_marginBottom="20dp"
    android:clickable="true"
    android:focusable="true">

    <android.support.v7.widget.GridLayout
        android:layout_width="380dp"
        android:layout_height="match_parent"
        android:layout_gravity="center_horizontal"
        app:alignmentMode="alignMargins"
        app:useDefaultMargins="true"
        app:columnOrderPreserved="false"
        app:rowCount="1"
        app:columnCount="3"
        android:id="@+id/backRow"
        android:background="@drawable/ic_rounded_rectangle_accent"
        app:orientation="horizontal">

        <TextView
            android:id="@+id/deleteText"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/deleteTask"
            android:textColor="@android:color/white"
            android:textStyle="bold"
            android:textSize="26sp"
            app:layout_column="2"
            app:layout_gravity="end|center_vertical"/>

        <TextView
            android:id="@+id/completeText"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/completeTask"
            android:textStyle="bold"
            android:textColor="@android:color/white"
            android:textSize="26sp"
            app:layout_column="0"
            app:layout_gravity="start|center_vertical"/>


    </android.support.v7.widget.GridLayout>



    <android.support.v7.widget.GridLayout
        android:id="@+id/foreRow"
        android:layout_width="380dp"
        android:layout_height="match_parent"
        android:layout_gravity="center_horizontal"
        app:alignmentMode="alignMargins"
        app:columnOrderPreserved="false"
        app:rowCount="2"
        app:columnCount="3"
        app:orientation="horizontal"
        android:background="@drawable/ic_rounded_rectangle"
        >

        <ImageView
            android:id="@+id/rowImage"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_column="0"
            app:layout_row="0"
            android:layout_marginTop="6dp"
            app:srcCompat="@drawable/ic_info_outline"
            app:layout_gravity="start|center_vertical"
            />

        <TextView
            android:id="@+id/rowTitle"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="@android:color/white"
            app:layout_row="0"
            app:layout_column="1"
            android:textSize="20sp"
            app:layout_gravity="start"
            />

        <TextView
            android:id="@+id/rowContent"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="@android:color/white"
            app:layout_row="1"
            app:layout_column="1"
            android:textSize="20sp"
            app:layout_gravity="start"/>


    </android.support.v7.widget.GridLayout>




</FrameLayout>

编辑这似乎主要发生在使用API 19等LG G4和仿真器等硬件设备上进行调试时，有时通过错误或我的viewpager发生网格布局会引发错误。？

我已经在下面包含了我的main_activity.xml：

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:context="com.lab1.ac01220.bloomv2.MainActivity">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="@dimen/appbar_padding_top"
        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:layout_weight="1"
            android:background="?attr/colorPrimary"
            app:layout_scrollFlags="scroll|enterAlways"
            android:theme="@style/ThemeOverlay.AppCompat.ActionBar"
            app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
            app:title="@string/app_name">

        </android.support.v7.widget.Toolbar>

        <android.support.design.widget.TabLayout
            android:id="@+id/tabs"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

            <android.support.design.widget.TabItem
                android:id="@+id/tabItem"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/tab_text_1" />

            <android.support.design.widget.TabItem
                android:id="@+id/tabItem2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/tab_text_2" />

            <android.support.design.widget.TabItem
                android:id="@+id/tabItem3"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/tab_text_3" />

        </android.support.design.widget.TabLayout>
    </android.support.design.widget.AppBarLayout>

    <android.support.v4.view.ViewPager
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"
        android:background="@drawable/ic_backing"/>



</android.support.design.widget.CoordinatorLayout>

支持小部件GridLayout错误膨胀

0 个答案: