带有布局的Android活动设计

Question

I have to create Android activity which looks like this:

Now I've created only such part of the activity.

Which coded this way.

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
    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"
    tools:context="ru.alexeyzhulin.elecomp.MainActivity">

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical"
        tools:layout_editor_absoluteX="0dp"
        tools:layout_editor_absoluteY="0dp">

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

                <ImageButton
                    android:id="@+id/logoButton"
                    android:layout_width="55dp"
                    android:layout_height="55dp"
                    android:layout_weight="0"
                    android:background="@color/colorPrimary"
                    app:srcCompat="@drawable/main_icon" />

                <SearchView
                    android:id="@+id/searchText"
                    android:layout_width="wrap_content"
                    android:layout_height="55dp"
                    android:layout_weight="1"
                    android:background="@color/colorPrimary"
                    android:queryHint="@string/search_message"
                    android:textAlignment="center" />

                <ImageButton
                    android:id="@+id/cartButton"
                    android:layout_width="55dp"
                    android:layout_height="55dp"
                    android:layout_weight="0"
                    android:background="@color/colorPrimary"
                    app:srcCompat="@drawable/cart_icon1" />
            </LinearLayout>

    </LinearLayout>
</android.support.constraint.ConstraintLayout>

Please help me how to put last four buttons to the activity.

The particular question is:

How to put four buttons in the center of the screen.

Answer 1

I am trying to put a sample code for you. This code can give you idea how to place four button at center of activity.

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">

<LinearLayout
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    >

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"   //I changed it to wrap_content
        android:orientation="horizontal">

        <ImageButton
            android:id="@+id/logoButton"
            android:layout_width="55dp"
            android:layout_height="55dp"
            android:layout_weight="0"
            android:background="@color/colorPrimary"
            />

        <SearchView
            android:id="@+id/searchText"
            android:layout_width="wrap_content"
            android:layout_height="55dp"
            android:layout_weight="1"
            android:background="@color/colorPrimary"
            android:queryHint="assss"
            android:textAlignment="center" />

        <ImageButton
            android:id="@+id/cartButton"
            android:layout_width="55dp"
            android:layout_height="55dp"
            android:layout_weight="0"
            android:background="@color/colorPrimary"
           />
    </LinearLayout>
    <RelativeLayout 
       xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true">

            <Button
                android:id="@+id/b1"
                android:layout_width="100dp"
                android:layout_height="100dp"
                android:text="button" />

            <Button
                android:id="@+id/b2"
                android:layout_width="100dp"
                android:layout_height="100dp"
                android:layout_alignParentRight="true"
                android:text="button" />

            <Button
                android:id="@+id/b3"
                android:layout_width="100dp"
                android:layout_height="100dp"
                android:layout_below="@+id/b1"
                android:layout_marginTop="40dp"
                android:text="button" />

            <Button
                android:id="@+id/b4"
                android:layout_width="100dp"
                android:layout_height="100dp"
                android:layout_alignParentRight="true"
                android:layout_below="@+id/b2"
                android:layout_marginTop="40dp"
                android:text="button" />


        </RelativeLayout>

    </RelativeLayout>

</LinearLayout>

Answer 2

Just use this on the top Linear Layout

gravity="center"

OR....

 <ImageButton
                android:layout_weight = "1"
                android:id="@+id/logoButton"
                android:layout_width="55dp"
                android:layout_height="55dp"
                android:layout_weight="0"
                android:background="@color/colorPrimary"
                app:srcCompat="@drawable/main_icon" />

If this doesnt work try to do this : Nest 2 ImageViews inside 1 LinearLayout and create 2 Linear Layouts with weight = 1

Code :

<LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="horizontal">
<ImageButton
                    android:id="@+id/logoButton"
                    android:layout_width="55dp"
                    android:layout_weight = "1"
                    android:layout_height="55dp"
                    android:layout_weight="0"
                    android:background="@color/colorPrimary"
                    app:srcCompat="@drawable/main_icon" />

                <SearchView
                    android:layout_weight = "1"
                    android:id="@+id/searchText"
                    android:layout_width="wrap_content"
                    android:layout_height="55dp"
                    android:layout_weight="1"
                    android:background="@color/colorPrimary"
                    android:queryHint="@string/search_message"
                    android:textAlignment="center" />
     </LinearLayout>

Answer 3

你能达到这种使用Table布局的布局，我建议你看看这些链接1 ， 2 （Android文档）， 3表格布局教程。

Answer 4

Inside your vertical linear layout you can give 2 more linear layouts with horizontal orientation and also with weightsum =2. Inside both these two linear layouts add 2 more linear layouts with weight =1.Give apropriate paddings for peoper button looks and then you can give the click action to the layouts.