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在视图中心显示进度条

[英]Show progressbar at the center of the view

I have the following xml and want to display progressbar at the center of the view. 我有以下xml,并希望在视图的中心显示progressbar It is showing at the center, but I cannot able to see other contents which is in the other relative layouts. 它显示在中间,但是我看不到其他相对布局中的其他内容。

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:local="http://schemas.android.com/apk/res-auto"
    android:orientation="horizontal"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

     <RelativeLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">
      <ProgressBar
        android:id="@+id/progressBar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true" >
     </ProgressBar>
    </RelativeLayout>

    <RelativeLayout
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:gravity="center_horizontal">
          <TextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="HI" />
    </RelativeLayout>


    <View
      android:layout_width="2dp"
      android:layout_height="match_parent"
      android:background="@color/separator" />

    <RelativeLayout
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:gravity="center_horizontal">
           <TextView
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:text="HI" />
    </RelativeLayout>

 </LinearLayout> 

You should do something like this: 您应该执行以下操作:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:local="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal">


    <RelativeLayout
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:gravity="center_horizontal">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="HI" />
    </RelativeLayout>


    <View
        android:layout_width="2dp"
        android:layout_height="match_parent"
        android:background="@color/separator" />

    <RelativeLayout
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:gravity="center_horizontal">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="HI" />
    </RelativeLayout>

</LinearLayout>

<ProgressBar
    android:id="@+id/progressBar"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerInParent="true" />
</RelativeLayout>

if you want to put progressbar in center for current layout you can do following 如果要将进度条放在当前布局的中心,可以执行以下操作

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:local="http://schemas.android.com/apk/res-auto"
    android:orientation="horizontal"
    android:layout_width="match_parent"
    android:gravity="center"
    android:layout_height="match_parent">




    <RelativeLayout
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:gravity="center_horizontal">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="HI" />
    </RelativeLayout>
    <ProgressBar
        android:id="@+id/progressBar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >
    </ProgressBar>
    <RelativeLayout
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:gravity="center_horizontal">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="HI" />
    </RelativeLayout>

</LinearLayout>

in this progressbar take separate space in center between two views if u want progressbar horizontal center change LinearLayout gravity as below 如果您要进度条水平居中更改LinearLayout 重心 ,则在此进度栏中在两个视图之间的中心留出单独的空间,如下所示

android:gravity="center_horizontal"

or u want progress bar on top of all view try @ Jonathan Aste suggested answer 或者您想在所有视图之上显示进度条,请尝试@ Jonathan Aste建议的答案

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