我创建了一个Grid Layout UI并成功创建了一个问题，但是问题是，在OPPO之类的手机中，UI不支持它，什么也没显示，我不知道为什么会这样。 除OPPO之外，所有手机均支持此UI，我不知道为什么会这样。请帮帮我解决这个问题。 XML代码
<LinearLayout
android:orientation="vertical"
android:background="@drawable/bg"
android:weightSum="10"
android:layout_width="match_parent"
android:layout_height="match_parent">
<GridLayout
android:id="@+id/mainGrid"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="8"
android:alignmentMode="alignMargins"
android:columnCount="2"
android:columnOrderPreserved="false"
android:padding="14dp"
android:rowCount="3">
<!-- Row 1 -->
<!-- Column 1 -->
<android.support.v7.widget.CardView
android:id="@+id/firstyear"
android:layout_width="0dp"
android:layout_height="15dp"
android:layout_columnWeight="1"
android:layout_marginBottom="16dp"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:layout_rowWeight="1"
app:cardCornerRadius="8dp"
app:cardElevation="8dp">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal|center_vertical"
android:layout_margin="16dp"
android:orientation="vertical">
<ImageView
android:layout_width="153dp"
android:layout_height="49dp"
android:layout_gravity="center_horizontal"
android:src="@drawable/ic_book_306468_960_720" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="First Year"
android:textAlignment="center"
android:textColor="@android:color/black"
android:textSize="18sp"
android:textStyle="bold" />
</LinearLayout>
</android.support.v7.widget.CardView>
<!-- Column 2 -->
<android.support.v7.widget.CardView
android:id="@+id/secondyear"
android:layout_width="0dp"
android:layout_height="15dp"
android:layout_columnWeight="1"
android:layout_marginBottom="16dp"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:layout_rowWeight="1"
app:cardCornerRadius="8dp"
app:cardElevation="8dp">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal|center_vertical"
android:layout_margin="16dp"
android:orientation="vertical">
<ImageView
android:layout_width="153dp"
android:layout_height="54dp"
android:layout_gravity="center_horizontal"
android:src="@drawable/ic_second_year" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Second Year"
android:textAlignment="center"
android:textColor="@android:color/black"
android:textSize="18sp"
android:textStyle="bold" />
</LinearLayout>
</android.support.v7.widget.CardView>
<!-- Row 2 -->
<!-- Column 1 -->
<android.support.v7.widget.CardView
android:id="@+id/thirdyear"
android:layout_width="0dp"
android:layout_height="15dp"
android:layout_columnWeight="1"
android:layout_marginBottom="16dp"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:layout_rowWeight="1"
app:cardCornerRadius="8dp"
app:cardElevation="8dp">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal|center_vertical"
android:layout_margin="16dp"
android:orientation="vertical">
<ImageView
android:layout_width="153dp"
android:layout_height="54dp"
android:layout_gravity="center_horizontal"
android:src="@drawable/ic_third_year" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Third Year"
android:textAlignment="center"
android:textColor="@android:color/black"
android:textSize="18sp"
android:textStyle="bold" />
</LinearLayout>
</android.support.v7.widget.CardView>
<!-- Column 2 -->
<android.support.v7.widget.CardView
android:id="@+id/download"
android:layout_width="0dp"
android:layout_height="15dp"
android:layout_columnWeight="1"
android:layout_marginBottom="16dp"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:layout_rowWeight="1"
app:cardCornerRadius="8dp"
app:cardElevation="8dp">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal|center_vertical"
android:layout_margin="16dp"
android:orientation="vertical">
<ImageView
android:layout_width="153dp"
android:layout_height="54dp"
android:layout_gravity="center_horizontal"
android:src="@drawable/ic_file_download_black_24dp" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Download"
android:textAlignment="center"
android:textColor="@android:color/black"
android:textSize="18sp"
android:textStyle="bold" />
</LinearLayout>
</android.support.v7.widget.CardView>
</GridLayout>
</LinearLayout>
定位
08-06 10:19:25.222 10389-10632/com.software.aj.bcomstudyguide E/ACodec:
cannot find aac bit rate
08-06 10:19:41.683 10389-10389/com.software.aj.bcomstudyguide E/Parcel:
Reading a NULL string not supported here.
08-06 10:19:43.567 10389-10465/com.software.aj.bcomstudyguide E/Parcel:
Reading a NULL string not supported here.
08-06 10:19:43.575 10389-10465/com.software.aj.bcomstudyguide E/Parcel:
Reading a NULL string not supported here.
08-06 10:19:43.611 10389-10465/com.software.aj.bcomstudyguide E/Parcel:
Reading a NULL string not supported here.
08-06 10:19:43.650 10389-10465/com.software.aj.bcomstudyguide E/Parcel:
Reading a NULL string not supported here.
08-06 10:19:47.215 10389-10443/com.software.aj.bcomstudyguide E/SQLiteLog:
(14) cannot open file at line 30202 of [00bb9c9ce4]
08-06 10:19:47.528 10389-10766/com.software.aj.bcomstudyguide E/ACodec:
cannot find aac bit rate
