我正在尝试将 changeTextView 和 daysLowTextView 等元素从最外层的 RelativeLayout 移动到标记为 col1、col2、col3 和 col4 的嵌套 LinearLayout 元素,但我的应用程序在打开时会失败。我也删除了所有 LinearLayout 定位。有什么建议么?
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/mainRelativeLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:stretchColumns="yes"
android:background="@color/black"
tools:context=".MainActivity" >
<LinearLayout android:id="@+id/center"
android:layout_width="1dp"
android:layout_height="1dp"
android:layout_centerHorizontal="true"
android:visibility="invisible"
android:orientation="vertical"/>
<LinearLayout
android:id="@+id/topRowLinearLayout"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/enterSymbolTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/stock_symbol"
android:textColor="@color/white" />
<EditText
android:id="@+id/stockSymbolEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="text"
android:textColor="@color/white"
android:textCursorDrawable="@null" />
<Button
android:id="@+id/enterStockSymbolButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/enter_stock_symbol"
android:textColor="@color/white" />
</LinearLayout>
<TextView
android:id="@+id/companyNameTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/topRowLinearLayout"
android:padding="@dimen/activity_horizontal_margin"
android:layout_toLeftOf="@id/center"
android:text="Company Name"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="@color/white" />
<WebView
android:id="@+id/yahooWebView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true" />
<TextView
android:id="@+id/daysLowTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/stock_days_low"
android:textColor="@color/white" />
<TextView
android:id="@+id/yearLowTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/stock_year_low"
android:textColor="@color/white" />
<TextView
android:id="@+id/daysRangeTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/days_range"
android:textColor="@color/white" />
<TextView
android:id="@+id/yearHighTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/stock_year_high"
android:textColor="@color/white" />
<TextView
android:id="@+id/changeTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/change"
android:textColor="@color/white" />
<TextView
android:id="@+id/daysHighTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/stock_days_high"
android:textColor="@color/white" />
<TextView
android:id="@+id/lastTradePriceOnlyTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@id/companyNameTextView"
android:layout_toRightOf="@id/companyNameTextView"
android:text="@string/last_trade_price_only"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="@color/white" />
<!-- Begin 2 columns of data -->
<LinearLayout
android:id="@+id/linearLayout1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_above="@id/yahooWebView">
<LinearLayout
android:id="@+id/linearLayout2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<LinearLayout
android:id="@+id/col1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_weight="1">
</LinearLayout>
<LinearLayout
android:id="@+id/col2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_weight="1">
</LinearLayout>
<LinearLayout
android:id="@+id/col3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_weight="1">
</LinearLayout>
<LinearLayout
android:id="@+id/col4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_weight="1">
</LinearLayout>
</LinearLayout>
</LinearLayout>
<!-- end columns of data -->
</RelativeLayout>