如何创建在Android Studio中正确缩放的布局

时间:2018-04-23 13:43:12

标签: android xml android-layout android-constraintlayout android-screen-support

我几个月来一直试图在Android工作室中创建这样的布局:this,这将占用整个屏幕(但是在你看到的黑框中会有滚动的textViews背景)。我已经构建了我的项目文件夹结构,如Google Developers网站( hdpi,xhdpi,xxhdpi,xxxhdpi )所示,并使用 ConstraintLayout进行布局但我仍面临同样的问题。横向textViews,虽然用户的屏幕尺寸和密度发生变化,但它们偏离了他们想要的位置,从而破坏了用户的体验.I'我感到困惑,因为我已尽力解决这个问题。我已阅读过多篇文章,但如果有人有任何好的阅读建议,请随时告诉我。

这是我的.xml文件:

    <?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"
    android:background="@drawable/card_details_open">
<android.support.constraint.Guideline
    android:id="@+id/hor_top"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    app:layout_constraintGuide_begin="111dp" />

<TextView
    android:id="@+id/first"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_marginEnd="8dp"
    android:ellipsize="marquee"
    android:focusable="true"
    android:focusableInTouchMode="true"
    android:fontFamily="monospace"
    android:marqueeRepeatLimit="marquee_forever"
    android:scrollHorizontally="true"
    android:singleLine="true"
    android:text="LEADER SKILL OR SOMETHING that's long and will make the text scroll in order to show something"
    android:textColor="@color/white"
    app:layout_constraintEnd_toStartOf="@+id/vert_right"
    app:layout_constraintStart_toStartOf="@+id/vert_left"
    app:layout_constraintTop_toTopOf="@+id/hor_top" />

<TextView
    android:id="@+id/second"
    android:layout_width="0dp"
    android:layout_height="19dp"
    android:layout_marginEnd="8dp"
    android:layout_marginTop="18dp"
    android:ellipsize="marquee"
    android:focusable="true"
    android:focusableInTouchMode="true"
    android:fontFamily="monospace"
    android:marqueeRepeatLimit="marquee_forever"
    android:paddingBottom="-10dp"
    android:scrollHorizontally="true"
    android:singleLine="true"
    android:text="LEADER SKILL OR SOMETHING that's long and will make the text scroll in order to show something"
    android:textColor="@android:color/holo_blue_light"
    app:layout_constraintEnd_toStartOf="@+id/vert_right"
    app:layout_constraintStart_toStartOf="@+id/first"
    app:layout_constraintTop_toBottomOf="@+id/first" />

<TextView
    android:id="@+id/third"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_marginBottom="8dp"
    android:layout_marginEnd="8dp"
    android:ellipsize="marquee"
    android:focusable="true"
    android:focusableInTouchMode="true"
    android:fontFamily="monospace"
    android:marqueeRepeatLimit="marquee_forever"
    android:paddingBottom="@dimen/_2sdp"
    android:scrollHorizontally="true"
    android:singleLine="true"
    android:text="LEADER SKILL OR SOMETHING that's long and will make the text scroll in order to show something"
    android:textColor="@color/white"
    app:layout_constraintBottom_toTopOf="@+id/hor_bot"
    app:layout_constraintEnd_toStartOf="@+id/vert_right"
    app:layout_constraintStart_toStartOf="@+id/second" />

<android.support.constraint.Guideline
    android:id="@+id/hor_bot"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    app:layout_constraintGuide_begin="198dp" />

<LinearLayout
    android:id="@+id/linearLayout3"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal">

    <TextView
        android:id="@+id/textView12"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="35dp"
        android:layout_weight="1"
        android:text="TextView"
        android:textColor="@color/white" />

    <TextView
        android:id="@+id/textView13"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="10dp"
        android:layout_marginStart="25dp"
        android:layout_weight="0.30"
        android:text="TextView"
        android:textColor="@color/white" />

    <TextView
        android:id="@+id/textView11"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="50dp"
        android:layout_weight="1"
        android:text="TextView"
        android:textColor="@color/white" />
</LinearLayout>

<android.support.constraint.Guideline
    android:id="@+id/vert_left"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    app:layout_constraintGuide_begin="72dp" />

<android.support.constraint.Guideline
    android:id="@+id/vert_right"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    app:layout_constraintGuide_begin="335dp" />

</android.support.constraint.ConstraintLayout>

1 个答案:

答案 0 :(得分:1)

这是因为您的指南“vert_right”受限于与布局边框的固定距离,但它应该被约束到正确的布局边框。只需改变这个

<android.support.constraint.Guideline
    android:id="@+id/vert_right"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    app:layout_constraintGuide_begin="335dp" />

进入这个

<android.support.constraint.Guideline
    android:id="@+id/vert_right"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    app:layout_constraintGuide_end="72dp" />