Android约束布局ConstraintLayout实现九宫格

Android约束布局ConstraintLayout实现九宫格

这个实现是不能动态添加项目的，只是固定项目的九宫格，如果要动态增加item的最好还是使用GridLayout。不多说了直接上代码：

<?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=".MenuItemActivity"
tools:layout_editor_absoluteY="81dp">
<ImageButton
android:id="@+id/imageButton2"
android:layout_height="wrap_content"
app:srcCompat="@mipmap/ic_launcher"
android:layout_width="0dp"
app:layout_constraintHorizontal_chainStyle="spread_inside"
app:layout_constraintHorizontal_weight="1"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toLeftOf="@id/imageButton"
app:layout_constraintTop_toTopOf="parent"
android:layout_marginTop="16dp"
android:layout_marginLeft="16dp"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@id/imageButton2"
app:layout_constraintLeft_toLeftOf="@id/imageButton2"
app:layout_constraintRight_toRightOf="@id/imageButton2"
android:text="@string/tv_item"
/>
<ImageButton
android:id="@+id/imageButton"
android:layout_height="wrap_content"
android:layout_width="0dp"
app:layout_constraintTop_toTopOf="parent"
android:layout_marginTop="16dp"
app:layout_constraintHorizontal_chainStyle="spread_inside"
app:layout_constraintHorizontal_weight="1"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintLeft_toRightOf="@id/imageButton2"
app:layout_constraintRight_toLeftOf="@id/imageButton3"
app:srcCompat="@mipmap/ic_launcher" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@id/imageButton"
app:layout_constraintLeft_toLeftOf="@id/imageButton"
app:layout_constraintRight_toRightOf="@id/imageButton"
android:text="@string/tv_item"
/>
<ImageButton
android:id="@+id/imageButton3"
android:layout_height="wrap_content"
android:layout_width="0dp"
android:layout_marginTop="16dp"
app:layout_constraintTop_toTopOf="parent"
android:layout_marginRight="16dp"
app:layout_constraintHorizontal_chainStyle="spread_inside"
app:layout_constraintHorizontal_weight="1"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintLeft_toRightOf="@id/imageButton"
app:layout_constraintRight_toRightOf="parent"
app:srcCompat="@mipmap/ic_launcher" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@id/imageButton3"
app:layout_constraintLeft_toLeftOf="@id/imageButton3"
app:layout_constraintRight_toRightOf="@id/imageButton3"
android:text="@string/tv_item"
/>
<ImageButton
android:id="@+id/imageButton8"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintStart_toStartOf="parent"
app:srcCompat="@mipmap/ic_launcher"
app:layout_constraintTop_toBottomOf="@id/imageButton2"
android:layout_marginTop="32dp"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@id/imageButton8"
app:layout_constraintLeft_toLeftOf="@id/imageButton8"
app:layout_constraintRight_toRightOf="@id/imageButton8"
android:text="@string/tv_item"
/>
<ImageButton
android:id="@+id/imageButton9"
android:layout_width="0dp"
android:layout_height="wrap_content"
app:srcCompat="@mipmap/ic_launcher"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintTop_toBottomOf="@id/imageButton"
app:layout_constraintLeft_toRightOf="@id/imageButton2"
app:layout_constraintLeft_toLeftOf="@id/imageButton"
android:layout_marginTop="32dp"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@id/imageButton9"
app:layout_constraintLeft_toLeftOf="@id/imageButton9"
app:layout_constraintRight_toRightOf="@id/imageButton9"
android:text="@string/tv_item"
/>
<ImageButton
android:id="@+id/imageButton10"
android:layout_width="0dp"
android:layout_height="wrap_content"
app:srcCompat="@mipmap/ic_launcher"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintTop_toBottomOf="@id/imageButton3"
app:layout_constraintLeft_toRightOf="@id/imageButton"
app:layout_constraintLeft_toLeftOf="@id/imageButton3"
android:layout_marginTop="32dp"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@id/imageButton10"
app:layout_constraintLeft_toLeftOf="@id/imageButton10"
app:layout_constraintRight_toRightOf="@id/imageButton10"
android:text="@string/tv_item"
/>
</android.support.constraint.ConstraintLayout>

实现的效果图如下：

最后

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