[英]TextView is not showing in layout
我在XML中使用TextView有問題。 這是我的XML代碼:
<?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:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context=".frontScreen">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/colorAccent"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/activity_horizontal_margin">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/plan"
android:shadowColor="@color/colorPrimary"
android:textColor="@color/colorPrimary"
android:textSize="30sp"
android:shadowRadius="2"
android:gravity="center_horizontal"
android:shadowDx="1"
android:shadowDy="1"
/>
</RelativeLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/colorAccent"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/activity_horizontal_margin">
<Button
android:id="@+id/plan1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:ignore="ButtonStyle" />
<Button
android:id="@+id/plan2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:ignore="ButtonStyle" />
</LinearLayout>
</android.support.design.widget.CoordinatorLayout>
如果我寫TextView是線性布局。 然后與按鈕重疊。 所以我使用2個相對和線性布局。 當我在設計中單擊TextView時,看起來TextView具有我想要的確切空間,但是Text消失了
<?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:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context=".frontScreen">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/colorAccent"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/activity_horizontal_margin">
<Button
android:id="@+id/plan1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:ignore="ButtonStyle" />
<Button
android:id="@+id/plan2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:ignore="ButtonStyle" />
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/colorAccent"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/activity_horizontal_margin">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="plan"
android:shadowColor="@color/colorPrimary"
android:textColor="@color/colorPrimary"
android:textSize="30sp"
android:shadowRadius="2"
android:gravity="center_horizontal"
android:shadowDx="1"
android:shadowDy="1"
/>
</RelativeLayout>
</android.support.design.widget.CoordinatorLayout>
希望這可以幫助。 但是為了更好地工作,您需要在單一布局中采用相對布局和線性布局。 隨時問這是否行不通
編輯:
如果您需要一個視圖,可以嘗試
<?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:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/colorAccent"
android:orientation="horizontal"
android:padding="@dimen/activity_horizontal_margin">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="plan"
android:shadowColor="@color/colorPrimary"
android:textColor="@color/colorPrimary"
android:textSize="30sp"
android:shadowRadius="2"
android:layout_alignParentTop="true"
android:gravity="center_horizontal"
android:shadowDx="1"
android:shadowDy="1" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@color/colorAccent"
android:gravity="center"
android:orientation="horizontal"
android:layout_centerInParent="true"
android:padding="@dimen/activity_horizontal_margin">
<Button
android:id="@+id/plan1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:ignore="ButtonStyle" />
<Button
android:id="@+id/plan2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:ignore="ButtonStyle" />
</LinearLayout>
</RelativeLayout>
</android.support.design.widget.CoordinatorLayout>
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.