冲刺记录四

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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"
android:background="@drawable/background_image"
tools:context=".MainActivity">

<TextView
android:id="@+id/textView2"
android:layout_width="411dp"
android:layout_height="95dp"
android:gravity="center"
android:text="科技政策一点通"
android:textColor="@android:color/white"
android:textSize="30dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.001" />

<EditText
android:id="@+id/search"
android:layout_width="369dp"
android:layout_height="54dp"
android:ems="10"
android:hint="🔍请输入关键词"
android:inputType="text"
android:textColor="@android:color/white"
android:textColorHint="@android:color/white"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.171" />

<ListView
android:id="@+id/listView"
android:layout_width="402dp"
android:layout_height="470dp"
android:textColor="@android:color/white"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="1.0" />

<Button
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="搜索"
app:layout_constraintBottom_toBottomOf="@+id/listView"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/textView2"
app:layout_constraintVertical_bias="0.284"
app:strokeColor="#D3B4B4" />

</androidx.constraintlayout.widget.ConstraintLayout>