我有一个MoodTracker应用程序,它每24小时将每日情绪存储到prefs中,并显示过去7天情绪的历史。
我的问题是:
我的历史布局有7个相对布局(每天一次)在一个LinearLayout内。
预览是完美的,一个是好的,一个是好的。但是当我运行应用程序时,我只能看到4/7的布局,每个布局都比预期的要大得多.这是我的密码:
XML:history.xml
java:V2/controllers/controllers yActivity.java
提前感谢
发布于 2019-03-09 11:01:12
问题在于您的RelativeLayouts:
android:layout_height="match_parent"
android:layout_weight="1"
如果使用的是layout_height=,并且希望7 RelativeLayouts占用相同的空间,则应该设置layout_weight“0”:
android:layout_height="0"
android:layout_weight="1"
发布于 2019-03-09 13:13:29
在每个RelativeLayout中,有以下几个字符:
发布于 2019-03-09 13:57:48
不要在视图上使用android:layout_weight
或固定大小--它可能适用于这样的小布局,但在大布局中,它可能会影响屏幕性能,当在视图上使用固定大小时,它并不能响应所有屏幕大小。
您最好使用约束布局来获得一个漂亮的屏幕,它可以响应所有的设备:
<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:id="@+id/frameLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".Fragments.MenusDesign.BookMenu.BookMenu">
<TextView
android:id="@+id/activity_historic_text_seven"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/activity_historic_btn_five"
app:layout_constraintEnd_toEndOf="@+id/activity_historic_text_six"
app:layout_constraintStart_toStartOf="@+id/activity_historic_text_six"
app:layout_constraintTop_toTopOf="@+id/activity_historic_btn_five"
tools:text="string/day_7" />
<Button
android:id="@+id/activity_historic_btn_seven"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:text="6"
app:layout_constraintBottom_toTopOf="@+id/guideline11"
app:layout_constraintEnd_toEndOf="@+id/activity_historic_btn_four"
app:layout_constraintStart_toStartOf="@+id/activity_historic_btn_four"
app:layout_constraintTop_toTopOf="@+id/guideline10" />
<TextView
android:id="@+id/activity_historic_text_six"
android:layout_width="wrap_content"
android:layout_height="20dp"
android:layout_alignParentStart="true"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/activity_historic_btn_seven"
app:layout_constraintEnd_toEndOf="@+id/activity_historic_text_five"
app:layout_constraintStart_toStartOf="@+id/activity_historic_text_five"
app:layout_constraintTop_toTopOf="@+id/activity_historic_btn_seven"
tools:text="string/day_6" />
<Button
android:id="@+id/activity_historic_btn_six"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:text="4"
app:layout_constraintBottom_toTopOf="@+id/guideline9"
app:layout_constraintEnd_toEndOf="@+id/activity_historic_btn_three"
app:layout_constraintStart_toStartOf="@+id/activity_historic_btn_three"
app:layout_constraintTop_toTopOf="@+id/guideline8" />
<TextView
android:id="@+id/activity_historic_text_five"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/activity_historic_btn_four"
app:layout_constraintEnd_toEndOf="@+id/activity_historic_text_four"
app:layout_constraintStart_toStartOf="@+id/activity_historic_text_four"
app:layout_constraintTop_toTopOf="@+id/activity_historic_btn_four"
tools:text="string/day_5" />
<Button
android:id="@+id/activity_historic_btn_five"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:text="7"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="@+id/activity_historic_btn_seven"
app:layout_constraintStart_toStartOf="@+id/activity_historic_btn_seven"
app:layout_constraintTop_toTopOf="@+id/guideline11" />
<TextView
android:id="@+id/activity_historic_text_four"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/activity_historic_btn_six"
app:layout_constraintEnd_toEndOf="@+id/activity_historic_text_three"
app:layout_constraintStart_toStartOf="@+id/activity_historic_text_three"
app:layout_constraintTop_toTopOf="@+id/activity_historic_btn_six"
tools:text="string/day_4" />
<Button
android:id="@+id/activity_historic_btn_four"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:text="5"
app:layout_constraintBottom_toTopOf="@+id/guideline10"
app:layout_constraintEnd_toEndOf="@+id/activity_historic_btn_six"
app:layout_constraintStart_toStartOf="@+id/activity_historic_btn_six"
app:layout_constraintTop_toTopOf="@+id/guideline9" />" />
<TextView
android:id="@+id/activity_historic_text_three"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/activity_historic_btn_three"
app:layout_constraintEnd_toEndOf="@+id/activity_historic_text_two"
app:layout_constraintStart_toStartOf="@+id/activity_historic_text_two"
app:layout_constraintTop_toTopOf="@+id/activity_historic_btn_three"
tools:text="string/day_3" />
<Button
android:id="@+id/activity_historic_btn_three"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:text="3"
app:layout_constraintBottom_toTopOf="@+id/guideline8"
app:layout_constraintEnd_toEndOf="@+id/button6"
app:layout_constraintStart_toStartOf="@+id/button6"
app:layout_constraintTop_toTopOf="@+id/guideline7" />
<TextView
android:id="@+id/activity_historic_text_two"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/button6"
app:layout_constraintEnd_toEndOf="@+id/activity_historic_text_one"
app:layout_constraintStart_toStartOf="@+id/activity_historic_text_one"
app:layout_constraintTop_toTopOf="@+id/button6"
tools:text="string/day_2"/>
<Button
android:id="@+id/button6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:text="2"
app:layout_constraintBottom_toTopOf="@+id/guideline7"
app:layout_constraintEnd_toEndOf="@+id/button"
app:layout_constraintStart_toStartOf="@+id/button"
app:layout_constraintTop_toTopOf="@+id/guideline6" />
<TextView
android:id="@+id/activity_historic_text_one"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/button"
app:layout_constraintEnd_toStartOf="@+id/guideline12"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/button"
tools:text="string/day_1" />
<Button
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:text="1"
app:layout_constraintBottom_toTopOf="@+id/guideline6"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="@+id/guideline12"
app:layout_constraintTop_toTopOf="parent" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.142" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline7"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.28" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline8"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.42" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline9"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.57" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline10"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.714" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline11"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.857" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline12"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.5" />
https://stackoverflow.com/questions/55076225
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