Tôi có một bố cục xml nhập Mã PIN:Làm thế nào để tránh trọng số lồng nhau?
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#FF000000"
android:orientation="vertical"
android:weightSum="1" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_margin="5dp"
android:layout_weight="0.2"
android:background="@android:drawable/edit_text"
android:gravity="center_vertical"
android:orientation="horizontal" >
<EditText
android:id="@+id/pinDisplay"
android:layout_width="0dip"
android:layout_height="fill_parent"
android:layout_weight="0.85"
android:background="@null" />
<ImageButton
android:id="@+id/backspace"
style="@android:style/Widget.Button"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_gravity="center_vertical"
android:layout_margin="3dp"
android:layout_weight="0.15"
android:gravity="center"
android:src="@android:drawable/ic_input_delete" />
</LinearLayout>
<!-- Keypad section -->
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="0.8"
android:baselineAligned="false"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_marginLeft="5dip"
android:layout_marginRight="4dip"
android:layout_weight="1"
android:orientation="horizontal" >
<Button
android:id="@+id/one"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="1"
android:textAppearance="@android:attr/text" />
<Button
android:id="@+id/two"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="2" />
<Button
android:id="@+id/three"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="3" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="0sp"
android:layout_marginLeft="5dip"
android:layout_marginRight="4dip"
android:layout_weight="1"
android:orientation="horizontal" >
<Button
android:id="@+id/four"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="4" />
<Button
android:id="@+id/five"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="5" />
<Button
android:id="@+id/six"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="6" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="0sp"
android:layout_marginLeft="5dip"
android:layout_marginRight="4dip"
android:layout_weight="1"
android:orientation="horizontal" >
<Button
android:id="@+id/seven"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="7" />
<Button
android:id="@+id/eight"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="8" />
<Button
android:id="@+id/nine"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="9" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="0sp"
android:layout_marginBottom="10dip"
android:layout_marginLeft="5dip"
android:layout_marginRight="4dip"
android:layout_weight="1"
android:orientation="horizontal" >
<Button
android:id="@+id/ok"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:enabled="false"
android:text="OK"
android:textColor="#B8B8B8" />
<Button
android:id="@+id/zero"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="0" />
<Button
android:id="@+id/clear"
android:layout_width="0sp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="Clear" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
Việc bố trí là tốt, nhưng tôi nhận được rất nhiều lời cảnh báo Lint về trọng lượng lồng nhau.
trọng lồng nhau là xấu cho hiệu suất
tôi không thực sự chú ý đến tải bố trí chậm hoặc bất cứ điều gì. Tôi có thể làm gì để tránh trọng lượng lồng nhau? Hay tôi nên để nó như thế?