4.4设备上的CollapsingToolbarLayout崩溃(java.lang.IllegalArgumentException:半径必须> 0) [英] CollapsingToolbarLayout crash on 4.4 devices (java.lang.IllegalArgumentException: radius must be > 0)

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问题描述

我已经实现了新样式的可折叠工具栏.我正在使用与示例(Cheesesquare)演示应用程序相同的代码-当然,在所有设备上都可以正常运行.我需要帮助弄清楚我与样本之间的不同之处(因此我的应用程序不会崩溃).

I have implemented the new style Collapsible Toolbar. I am using the same code as the example (Cheesesquare) demo app - which of course works fine on all devices. I need help figuring out what I am doing different then the sample (so my app won't crash).

我的应用程序在5.0或更高版本的设备上运行良好,但在较旧的设备(操作系统4.4.4)上崩溃,并出现了我无法隔离到我的代码的错误(堆栈中未引用我的项目类). 我觉得很奇怪,以至于这是特定于设备的(如果这是一个代码错误,它将在所有地方崩溃)

My app runs great on 5.0+ devices, but crashes on older devices (OS 4.4.4) with an error that I can't isolate to my code (no references to my project's classes in the stack). Seems so strange to me that this is device specific (if this was a code error, it would crash everywhere)

我有(尝试过,但没有帮助):

I have (tried, but didn't help):

  • 仔细检查我所有的XML和Java,以确保在任何视图上我都未将0设置为任何维度
  • 确保我没有在任何地方设置填充
  • 删除了所有页边距(只是检查-对您没有帮助,请重新添加)
  • 删除了我所有的setBackground()方法(无帮助)
  • 删除了所有高程和半径属性
  • 将所有CardViews设置为Visibility.GONE(即使没有绘制所有CardViews仍然崩溃)

崩溃来自AOSP中的一个类:

The crash is coming from a class in AOSP: https://android.googlesource.com/platform/frameworks/support/+/master/v7/cardview/eclair-mr1/android/support/v7/widget/RoundRectDrawableWithShadow.java

我看到一个相关的错误已打开(但未分配): https://code.google .com/p/android/issues/detail?id = 157919 有趣的是,此错误指出此不会崩溃于4.3,但我没有该设备

I see a related Bug opened (but not assigned): https://code.google.com/p/android/issues/detail?id=157919 Interestingly, this bug states this doesn't crash on 4.3, but I don't have that device handy.

有关如何调试此崩溃原因的建议?

Suggestions about how I can debug the cause of this crash?:

E/AndroidRuntime(  708): java.lang.IllegalArgumentException: radius must be > 0
E/AndroidRuntime(  708):    at android.graphics.RadialGradient.<init>(RadialGradient.java:53)
E/AndroidRuntime(  708):    at android.support.v7.widget.RoundRectDrawableWithShadow.buildShadowCorners(RoundRectDrawableWithShadow.java:285)
E/AndroidRuntime(  708):    at android.support.v7.widget.RoundRectDrawableWithShadow.buildComponents(RoundRectDrawableWithShadow.java:307)
E/AndroidRuntime(  708):    at android.support.v7.widget.RoundRectDrawableWithShadow.draw(RoundRectDrawableWithShadow.java:209)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15493)
E/AndroidRuntime(  708):    at android.widget.FrameLayout.draw(FrameLayout.java:472)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14402)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14444)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15222)
E/AndroidRuntime(  708):    at android.view.ViewGroup.drawChild(ViewGroup.java:3340)
E/AndroidRuntime(  708):    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3176)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14397)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14444)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15222)
E/AndroidRuntime(  708):    at android.view.ViewGroup.drawChild(ViewGroup.java:3340)
E/AndroidRuntime(  708):    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3176)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15511)
E/AndroidRuntime(  708):    at android.widget.FrameLayout.draw(FrameLayout.java:472)
E/AndroidRuntime(  708):    at android.support.v4.widget.NestedScrollView.draw(NestedScrollView.java:1679)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14402)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14444)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15222)
E/AndroidRuntime(  708):    at android.view.ViewGroup.drawChild(ViewGroup.java:3340)
E/AndroidRuntime(  708):    at android.support.design.widget.CoordinatorLayout.drawChild(CoordinatorLayout.java:1040)
E/AndroidRuntime(  708):    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3176)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14397)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14444)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15222)
E/AndroidRuntime(  708):    at android.view.ViewGroup.drawChild(ViewGroup.java:3340)
E/AndroidRuntime(  708):    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3176)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15511)
E/AndroidRuntime(  708):    at android.widget.FrameLayout.draw(FrameLayout.java:472)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14402)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14444)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15222)
E/AndroidRuntime(  708):    at android.view.ViewGroup.drawChild(ViewGroup.java:3340)
E/AndroidRuntime(  708):    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3176)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14397)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14444)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15222)
E/AndroidRuntime(  708):    at android.view.ViewGroup.drawChild(ViewGroup.java:3340)
E/AndroidRuntime(  708):    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3176)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14397)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14444)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15222)
E/AndroidRuntime(  708):    at android.view.ViewGroup.drawChild(ViewGroup.java:3340)
E/AndroidRuntime(  708):    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3176)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14397)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14444)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15222)
E/AndroidRuntime(  708):    at android.view.ViewGroup.drawChild(ViewGroup.java:3340)
E/AndroidRuntime(  708):    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3176)
E/AndroidRuntime(  708):    at android.view.View.draw(View.java:15511)
E/AndroidRuntime(  708):    at android.widget.FrameLayout.draw(FrameLayout.java:472)
E/AndroidRuntime(  708):    at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:2623)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14402)
E/AndroidRuntime(  708):    at android.view.View.getDisplayList(View.java:14444)
E/AndroidRuntime(  708):    at android.view.HardwareRenderer$GlRenderer.buildDisplayList(HardwareRenderer.java:1597)
E/AndroidRuntime(  708):    at android.view.HardwareRenderer$GlRenderer.draw(HardwareRenderer.java:1469)
E/AndroidRuntime(  708):    at android.view.ViewRootImpl.draw(ViewRootImpl.java:2800)
E/AndroidRuntime(  708):    at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2666)
E/AndroidRuntime(  708):    at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2234)
E/AndroidRuntime(  708):    at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1267)
E/AndroidRuntime(  708):    at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6638)
E/AndroidRuntime(  708):    at android.view.Choreographer$CallbackRecord.run(Choreographer.java:813)
E/AndroidRuntime(  708):    at android.view.Choreogra

我的活动:

public class PaymentActivity extends AppCompatActivity {
    public static final String XTRA_DEVICENAME = "";
    private static String deviceName;
    private ItemDto deviceDto;
    private Activity mActivity;

    private OkHttpClient okclient;

    //Views
    private RelativeLayout infoLayout;
    private TextView deviceOwner;
    private TextView devicePrice;
    private TextView deviceInfo;
    private TextView payDurationTitle;
    private TextView payPriceTitle;
    private TextView payDurationText;
    private TextView payPriceText;
    private Button upBtn;
    private Button downBtn;
    private TextView incText;
    private View incrDivider;
    private FloatingActionButton fab;
    private ProgressBar devInfoProgress;
    private LinearLayout incrBtnView;

    private int mIterVal = 1;

    private Constants.ColorInfo colorTheme = Constants.ColorInfo.GREY;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mActivity = this;

        Intent intent = getIntent();
        deviceName = intent.getStringExtra(XTRA_DEVICENAME);

        setTheme(ColorUtil.getThemeForDevice(deviceName));
        colorTheme = ColorUtil.getColorTheme(deviceName);
        setContentView(R.layout.act_payment);

        final Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onBackPressed();
            }
        });

        okclient = new OkHttpClient();

        CollapsingToolbarLayout collapsingToolbar =
                (CollapsingToolbarLayout) findViewById(R.id.collapsing_toolbar);
        collapsingToolbar.setTitle(deviceName.toUpperCase());

        okclient = new OkHttpClient();

        final ImageView imageView = (ImageView) findViewById(R.id.backdrop);
        // todo get better default image
        final String paymentIconUrl = "http://xxx/" + deviceName + "_lg.png";

        Glide.with(mActivity)
                .load(paymentIconUrl)
                .diskCacheStrategy(DiskCacheStrategy.ALL)
                .placeholder(R.drawable.ic_logo_allwhite)
                .error(R.drawable.ic_logo_allwhite)
                .into(imageView);

        setupViews();
        new GetItemInfoTask().execute(deviceName);
    }

    private void setupViews() {
        infoLayout = (RelativeLayout) findViewById(R.id.device_info_layout);
        infoLayout.setBackgroundColor(getResources().getColor(ColorUtil.getDeviceColor(deviceName, ColorUtil.COLOR_SECONDARY)));

        incrBtnView = (LinearLayout) findViewById(R.id.incr_btn_view);
        deviceOwner = (TextView) findViewById(R.id.info_owner);
        devicePrice = (TextView) findViewById(R.id.info_price);
        deviceInfo = (TextView) findViewById(R.id.info_max_amount);
        payDurationTitle = (TextView) findViewById(R.id.paidDurationTitle);
        payPriceTitle = (TextView) findViewById(R.id.paidAmountTitle);
        payDurationText = (TextView) findViewById(R.id.paidDurationText);
        payPriceText = (TextView) findViewById(R.id.paidAmountText);

        devInfoProgress = (ProgressBar) findViewById(R.id.devinfo_progress);
        devInfoProgress.getIndeterminateDrawable().setColorFilter(getResources().getColor(R.color.card_white), android.graphics.PorterDuff.Mode.MULTIPLY);

        Drawable tmpDrawable = ColorUtil.getTintedDrawable(mActivity, R.drawable.ic_attach_money, colorTheme.getSecondary());
        payPriceTitle.setCompoundDrawablesWithIntrinsicBounds(tmpDrawable, null, null, null);

        Drawable tmpDrawable2 = ColorUtil.getTintedDrawable(mActivity, R.drawable.ic_clock, colorTheme.getSecondary());
        payDurationTitle.setCompoundDrawablesWithIntrinsicBounds(tmpDrawable2, null, null, null);

        upBtn = (Button) findViewById(R.id.pay_inc_up_btn);
        downBtn = (Button) findViewById(R.id.pay_inc_down_btn);
        incText = (TextView) findViewById(R.id.pay_inc_text);
        incrDivider = (View) findViewById(R.id.iter_divider);

        upBtn.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                ...
            }
        });
        downBtn.setOnClickListener(new View.OnClickListener() {

            public void onClick(View v) {
                ...
            }
        });

        upBtn.setBackground(mActivity.getResources().getDrawable(colorTheme.getSelectorId()));
        downBtn.setBackground(mActivity.getResources().getDrawable(colorTheme.getSelectorId()));

        fab = (FloatingActionButton) findViewById((R.id.pay_fab_btn));
        //TODO - manually coloring FAB, should do with color state list
        fab.setEnabled(false);
        fab.setBackgroundTintList(ColorStateList.valueOf(getResources().getColor(R.color.grey_300)));

        fab.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                fab.setBackgroundTintList(ColorStateList.valueOf(getResources().getColor(R.color.card_white)));
                ...

            }
        });

    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_payment, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }


    private class GetItemInfoTask extends AsyncTask<String, Void, String> {
        @Override
        protected String doInBackground(String... params) {
            ...

            return null;
        }

        @Override
        protected void onPostExecute(String result) {
        ...

        }

        @Override
        protected void onPreExecute() {
            devInfoProgress.setVisibility(View.VISIBLE);
        }

        @Override
        protected void onProgressUpdate(Void... values) {

        }
    }

}

我的Layout.xml:

My Layout.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:card_view="http://schemas.android.com/tools"
    android:id="@+id/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="@dimen/payments_backdrop_height"
        android:fitsSystemWindows="true"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/collapsing_toolbar"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fitsSystemWindows="true"
            app:contentScrim="?attr/colorPrimary"
            app:expandedTitleMarginEnd="64dp"
            app:expandedTitleMarginStart="48dp"
            app:layout_scrollFlags="scroll|exitUntilCollapsed">

            <ImageView
                android:id="@+id/backdrop"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:fitsSystemWindows="true"
                android:scaleType="centerCrop"
                android:transitionName="device_img"
                app:layout_collapseMode="parallax" />

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                app:layout_collapseMode="pin"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />
        </android.support.design.widget.CollapsingToolbarLayout>

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

    <android.support.v4.widget.NestedScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/grey_200"
            android:orientation="vertical">

            <RelativeLayout
                android:id="@+id/device_info_layout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical">

                <TextView
                    android:id="@+id/info_owner"
                    style="@style/DeviceInfo" />

                <TextView
                    android:id="@+id/info_price"
                    style="@style/DeviceInfo"
                    android:layout_below="@+id/info_owner"/>

                <TextView
                    android:id="@+id/info_max_amount"
                    style="@style/DeviceInfo"
                    android:layout_below="@+id/info_price"
                    android:layout_marginBottom="@dimen/grid1" />

                <ProgressBar
                    android:id="@+id/devinfo_progress"
                    style="?android:attr/progressBarStyleLarge"
                    android:layout_width="@dimen/rythm48"
                    android:layout_height="@dimen/rythm48"
                    android:layout_toRightOf="@+id/info_price"
                    android:layout_marginRight="@dimen/grid5"
                    android:layout_marginTop="@dimen/grid1"
                    android:visibility="gone" />

           </RelativeLayout>

            <android.support.v7.widget.CardView
                android:id="@+id/device_info_card"
                style="@style/CardView"
                card_view:cardCornerRadius="4dp"
                card_view:cardElevation="6dp">

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="vertical">

                    <TextView
                        android:id="@+id/launch_title"
                        style="@style/CardTitle"
                        android:text="Current Amounts" />

                    <LinearLayout
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_below="@+id/confirm_text"
                        android:layout_marginBottom="@dimen/grid5"
                        android:orientation="horizontal"
                        android:weightSum="2">

                        <LinearLayout
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_weight="1"
                            android:gravity="center"
                            android:orientation="vertical">

                            <TextView
                                android:id="@+id/paidAmountTitle"
                                style="@style/TextAppearance.AppCompat.Medium"
                                android:layout_width="wrap_content"
                                android:layout_height="wrap_content"
                                android:drawableLeft="@drawable/ic_dollar"
                                android:gravity="center"
                                android:text="@string/paid_amount_title" />

                            <TextView
                                android:id="@+id/paidAmountText"
                                style="@style/TextAppearance.AppCompat.Headline"
                                android:layout_width="wrap_content"
                                android:layout_height="wrap_content" />

                        </LinearLayout>

                        <LinearLayout
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_weight="1"
                            android:gravity="center"
                            android:orientation="vertical">

                            <TextView
                                android:id="@+id/paidDurationTitle"
                                style="@style/TextAppearance.AppCompat.Medium"
                                android:layout_width="wrap_content"
                                android:layout_height="wrap_content"
                                android:drawableLeft="@drawable/ic_clock"
                                android:gravity="center"
                                android:text="@string/paid_duration_title" />

                            <TextView
                                android:id="@+id/paidDurationText"
                                style="@style/TextAppearance.AppCompat.Headline"
                                android:layout_width="wrap_content"
                                android:layout_height="wrap_content" />

                        </LinearLayout>
                    </LinearLayout>

                    <View
                        android:id="@+id/iter_divider"
                        android:layout_width="wrap_content"
                        android:layout_height="1dp"
                        android:layout_marginBottom="@dimen/grid2"
                        android:layout_marginTop="@dimen/grid_5"
                        android:background="@color/grey_400"
                        android:visibility="gone"/>

                    <LinearLayout
                        android:id="@+id/incr_btn_view"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_marginBottom="@dimen/grid5"
                        android:layout_marginLeft="@dimen/grid4"
                        android:layout_marginRight="@dimen/grid4"
                        android:orientation="horizontal"
                        android:gravity="center"
                        android:weightSum="3"
                        android:visibility="gone">

                        <Button
                            android:id="@+id/pay_inc_down_btn"
                            style="@style/InfoButton"
                            android:layout_width="@dimen/rythm48"
                            android:layout_height="@dimen/rythm48"
                            android:text="-"
                            android:textSize="32sp"
                            android:layout_weight="1"/>

                        <TextView
                            android:id="@+id/pay_inc_text"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="1"
                            android:gravity="center"
                            android:layout_marginRight="@dimen/grid2"
                            android:layout_marginLeft="@dimen/grid2"
                            android:textSize="24sp"
                            android:layout_weight="1"/>

                        <Button
                            android:id="@+id/pay_inc_up_btn"
                            style="@style/InfoButton"
                            android:layout_width="@dimen/rythm48"
                            android:layout_height="@dimen/rythm48"
                            android:text="+"
                            android:textSize="32sp"
                            android:layout_weight="1"/>

                    </LinearLayout>
                </LinearLayout>

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

            <android.support.v7.widget.CardView
                android:id="@+id/provider_card_view"
                style="@style/CardView"
                card_view:cardCornerRadius="4dp"
                card_view:cardElevation="6dp">

                <fragment
                    android:id="@+id/provider_fragment"
                    android:name="com.cleartoken.pay.ui.frag.ProviderFragment"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />

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

            <android.support.v7.widget.CardView
                style="@style/CardView"
                card_view:cardCornerRadius="4dp"
                card_view:cardElevation="6dp">

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="vertical">

                    <TextView
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:text="Info"
                        android:textAppearance="@style/TextAppearance.AppCompat.Title" />

                    <TextView
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:text="@string/long_text" />
                </LinearLayout>
            </android.support.v7.widget.CardView>
        </LinearLayout>
    </android.support.v4.widget.NestedScrollView>

    <android.support.design.widget.FloatingActionButton
        android:id="@+id/pay_fab_btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="@dimen/grid2"
        android:clickable="true"
        android:src="@drawable/ic_fab_enabled"
        app:borderWidth="0dp"
        app:layout_anchor="@id/device_info_card"
        app:layout_anchorGravity="bottom|right|end" />

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

CardView style.xml代码段

The CardView style.xml snippet:

<style name="CardView">
    <item name="android:layout_width">match_parent</item>
    <item name="android:layout_height">wrap_content</item>
    <item name="android:layout_gravity">center</item>
    <item name="android:layout_margin">@dimen/grid1</item>
</style>

注意:

我普遍使用相同的卡片样式.在Act#1上,这是有效的*(Act#1没有协调器布局的最大区别).

I use this same Card style universally. On Act#1 this works* (big difference in that Act#1 does NOT have the Coordinator Layout).

我的卡片XML普遍看起来像这样:

My card XML looks like this universally:

 <android.support.v7.widget.CardView
            android:id="@+id/device_info_card"
            style="@style/CardView"
            card_view:cardCornerRadius="4dp"
            card_view:cardElevation="6dp">

推荐答案

对于以后的人们,我发现了我的问题-我使用的Style与框架使用的另一种Style( CardView ).

For future people, I found my issue - the Style I was using had the same name as another Style used by the framework (CardView).

我在styles.xml文件中将此名称更改为其他名称( MyCardView ),然后崩溃消失了.

I changed the name of this in my styles.xml file to something else (MyCardView) and the crash went away.

事后看来,我是使用该通用名称引起了回归.

In hindsight, I was causing a regression by using that common name.

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