我正在尝试在ConstraintLayout中创建5个ImageButton
,并使它们之间间距相等,但我遇到了一些问题,无法锚定它们并使其易于操作,例如:
android:id="@+id/navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:background="@drawable/sheet_shadow"
android:padding="5dp">
<ImageButton
android:id="@+id/btn1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="18dp"
android:layout_marginBottom="8dp"
android:background="?attr/selectableItemBackgroundBorderless"
android:tint="@color/grey_40"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_more_vert" />
<ImageButton
android:id="@+id/btn2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="18dp"
android:layout_marginBottom="8dp"
android:background="?attr/selectableItemBackgroundBorderless"
android:tint="@color/grey_40"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toEndOf="@+id/btn1"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_more_vert" />
<ImageButton
android:id="@+id/btn3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="18dp"
android:layout_marginBottom="8dp"
android:background="?attr/selectableItemBackgroundBorderless"
android:tint="@color/grey_40"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toEndOf="@+id/btn2"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_more_vert" />
<ImageButton
android:id="@+id/btn4"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="18dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:background="?attr/selectableItemBackgroundBorderless"
android:tint="@color/grey_40"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/btn5"
app:layout_constraintStart_toEndOf="@+id/btn3"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_more_vert" />
<ImageButton
android:id="@+id/btn5"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="18dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:background="?attr/selectableItemBackgroundBorderless"
android:tint="@color/grey_40"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_more_vert" />
</android.support.constraint.ConstraintLayout>