我正在尝试设计我的应用,因此在所有大小的设备上看起来都应该相同,这是否可能。
这是我正在尝试的示例:
<?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"
tools:context=".MainActivity">
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button1"
app:layout_constraintBottom_toBottomOf="@+id/textView3"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toEndOf="@+id/textView3"
app:layout_constraintTop_toTopOf="@+id/textView3"
app:layout_constraintVertical_bias="0.517" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Group1"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/top_guideline"
app:layout_constraintVertical_bias="0.03" />
<Button
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button1"
app:layout_constraintBottom_toBottomOf="@+id/textView3"
app:layout_constraintEnd_toStartOf="@+id/textView3"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="@+id/textView3"
app:layout_constraintVertical_bias="0.517" />
<TextView
android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Group1"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView2"
app:layout_constraintVertical_bias="0.034" />
<TextView
android:id="@+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Group2"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.292" />
<Button
android:id="@+id/button3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button2"
app:layout_constraintBottom_toBottomOf="@+id/textView5"
app:layout_constraintEnd_toStartOf="@+id/textView5"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="@+id/textView5"
app:layout_constraintVertical_bias="0.551" />
<TextView
android:id="@+id/textView5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Group2"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toBottomOf="@+id/textView4"
app:layout_constraintVertical_bias="0.051" />
<Button
android:id="@+id/button4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button2"
app:layout_constraintBottom_toBottomOf="@+id/textView5"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toEndOf="@+id/textView5"
app:layout_constraintTop_toTopOf="@+id/textView5"
app:layout_constraintVertical_bias="0.551" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/top_guideline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.0" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/bottom_guideline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="1.0" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/left_guideline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.0" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/right_guideline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="1.0" />
<TextView
android:id="@+id/textView6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="group3"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintHorizontal_bias="0.507"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.538" />
<TextView
android:id="@+id/textView7"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="group3"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintHorizontal_bias="0.507"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toBottomOf="@+id/textView6"
app:layout_constraintVertical_bias="0.074" />
<Button
android:id="@+id/button5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button3"
app:layout_constraintBottom_toBottomOf="@+id/textView7"
app:layout_constraintEnd_toStartOf="@+id/textView7"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="@+id/textView7"
app:layout_constraintVertical_bias="0.482" />
<Button
android:id="@+id/button6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button3"
app:layout_constraintBottom_toBottomOf="@+id/textView7"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toEndOf="@+id/textView7"
app:layout_constraintTop_toTopOf="@+id/textView7"
app:layout_constraintVertical_bias="0.482" />
<Button
android:id="@+id/button7"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button4"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.954" />
<TextView
android:id="@+id/textView8"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Group4"
android:textSize="36sp"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.849" />
</androidx.constraintlayout.widget.ConstraintLayout>
我想靠近,但是我希望文本视图的文本和按钮在大屏幕时变大,在小屏幕时变小,但无法弄清楚。
基本上,我希望该应用程序在任何设备上都可以缩放以看起来相同(就像是一幅图像,而我刚刚更改了缩放比例,这可以吗?
谢谢
您可以使用这些属性:
app:layout_constraintHeight_percent="0.x"
app:layout_constraintWidth_percent="0.y"
要根据屏幕尺寸调整布局比例(我为此在支持库中使用了一个项目,但它也适用于android):
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<Button
android:id="@+id/button2"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.2"
android:text="Button1"
app:layout_constraintBottom_toBottomOf="@+id/textView3"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toEndOf="@+id/textView3"
app:layout_constraintTop_toTopOf="@+id/textView3"
app:layout_constraintVertical_bias="0.517" />
<TextView
android:id="@+id/textView2"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.15"
android:text="Group1"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/top_guideline"
app:layout_constraintVertical_bias="0.03" />
<Button
android:id="@+id/button"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.2"
android:text="Button1"
app:layout_constraintBottom_toBottomOf="@+id/textView3"
app:layout_constraintEnd_toStartOf="@+id/textView3"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="@+id/textView3"
app:layout_constraintVertical_bias="0.517" />
<TextView
android:id="@+id/textView3"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.15"
android:text="Group1"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView2"
app:layout_constraintVertical_bias="0.034" />
<TextView
android:id="@+id/textView4"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.15"
android:text="Group2"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.292" />
<Button
android:id="@+id/button3"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.2"
android:text="Button2"
app:layout_constraintBottom_toBottomOf="@+id/textView5"
app:layout_constraintEnd_toStartOf="@+id/textView5"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="@+id/textView5"
app:layout_constraintVertical_bias="0.551" />
<TextView
android:id="@+id/textView5"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.15"
android:text="Group2"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toBottomOf="@+id/textView4"
app:layout_constraintVertical_bias="0.051" />
<Button
android:id="@+id/button4"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.2"
android:text="Button2"
app:layout_constraintBottom_toBottomOf="@+id/textView5"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toEndOf="@+id/textView5"
app:layout_constraintTop_toTopOf="@+id/textView5"
app:layout_constraintVertical_bias="0.551" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/top_guideline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.0" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/bottom_guideline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="1.0" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/left_guideline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_begin="0dp" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/right_guideline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="1.0" />
<TextView
android:id="@+id/textView6"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.15"
android:text="group3"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintHorizontal_bias="0.507"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.538" />
<TextView
android:id="@+id/textView7"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.15"
android:text="group3"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintHorizontal_bias="0.507"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toBottomOf="@+id/textView6"
app:layout_constraintVertical_bias="0.074" />
<Button
android:id="@+id/button5"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.2"
android:text="Button3"
app:layout_constraintBottom_toBottomOf="@+id/textView7"
app:layout_constraintEnd_toStartOf="@+id/textView7"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="@+id/textView7"
app:layout_constraintVertical_bias="0.482" />
<Button
android:id="@+id/button6"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.2"
android:text="Button3"
app:layout_constraintBottom_toBottomOf="@+id/textView7"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toEndOf="@+id/textView7"
app:layout_constraintTop_toTopOf="@+id/textView7"
app:layout_constraintVertical_bias="0.482" />
<Button
android:id="@+id/button7"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.05"
app:layout_constraintWidth_percent="0.2"
android:text="Button4"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.954" />
<TextView
android:id="@+id/textView8"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintHeight_percent="0.1"
app:layout_constraintWidth_percent="0.4"
android:text="Group4"
android:textSize="36sp"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintEnd_toStartOf="@+id/right_guideline"
app:layout_constraintStart_toStartOf="@+id/left_guideline"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.849" />
</android.support.constraint.ConstraintLayout>
并且在所有屏幕尺寸上看起来都是这样: