我真的不明白在约束布局上会发生什么。Android Constrain布局使用太多的内存(RAM)(内存泄漏)
我以前的UI使用只有15 MB RAM,同时新的UI使用400MB〜
任何人有一个想法?
旧UI
<?xml version="1.0" encoding="utf-8"?>
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceMedium"
android:text=" 11 January 2016"
android:id="@+id/dateTv"
android:gravity="center_horizontal"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
android:layout_marginStart="16dp"
tools:layout_constraintLeft_creator="1"
app:layout_constraintTop_toTopOf="@+id/constraintLayout4"
android:layout_marginTop="16dp" />
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceMedium"
android:text="12 : 59 PM"
android:id="@+id/timeTv"
android:gravity="center_horizontal"
app:layout_constraintLeft_toRightOf="@+id/dateTv"
app:layout_constraintTop_toTopOf="@+id/dateTv"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
android:layout_marginEnd="16dp"
app:layout_constraintHorizontal_bias="1.0" />
<SeekBar
android:layout_width="0dp"
android:layout_height="20dp"
android:id="@+id/seekBarFoodQuantity"
android:max="10"
app:layout_constraintLeft_toRightOf="@+id/decrease"
android:layout_marginStart="8dp"
tools:layout_constraintLeft_creator="1"
app:layout_constraintTop_toBottomOf="@+id/timeTv"
android:layout_marginTop="48dp"
app:layout_constraintRight_toLeftOf="@+id/increase"
android:layout_marginEnd="8dp"
tools:layout_constraintRight_creator="1" />
<TextView
android:text="-"
android:gravity="center"
android:layout_width="49dp"
android:layout_height="49dp"
android:id="@+id/decrease"
android:textSize="40sp"
android:background="@color/red_300"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
android:layout_marginStart="8dp"
app:layout_constraintTop_toTopOf="@+id/seekBarFoodQuantity"
app:layout_constraintBottom_toBottomOf="@+id/seekBarFoodQuantity" />
<TextView
android:text="+"
android:layout_width="49dp"
android:layout_height="49dp"
android:id="@+id/increase"
android:textSize="40sp"
android:background="@color/green_400"
android:gravity="center"
app:layout_constraintTop_toTopOf="@+id/seekBarFoodQuantity"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
android:layout_marginEnd="8dp"
app:layout_constraintBottom_toBottomOf="@+id/seekBarFoodQuantity" />
<TextView
android:text="@string/quantity"
android:layout_width="137dp"
android:layout_height="49dp"
android:id="@+id/tvQuantity"
android:textSize="20sp"
android:gravity="center"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
tools:layout_constraintLeft_creator="1"
app:layout_constraintTop_toBottomOf="@+id/seekBarFoodQuantity"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
tools:layout_constraintRight_creator="1"
app:layout_constraintBottom_toBottomOf="@+id/constraintLayout4"
android:layout_marginBottom="16dp"
app:layout_constraintVertical_bias="0.0" />
<TextView
android:text="Save"
android:layout_width="137dp"
android:layout_height="49dp"
android:id="@+id/tvSave"
android:textSize="20sp"
android:gravity="center"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
tools:layout_constraintLeft_creator="1"
app:layout_constraintTop_toBottomOf="@+id/seekBarFoodQuantity"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
tools:layout_constraintRight_creator="1"
app:layout_constraintBottom_toBottomOf="@+id/constraintLayout4"
android:layout_marginBottom="16dp" />
<include layout="@layout/bottom_bar" android:id="@+id/bottombarAddFood"
android:layout_width="0dp"
android:layout_height="72dp"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
app:layout_constraintBottom_toBottomOf="@+id/constraintLayout4" />
012上
新的UI实际Android设备上
<?xml version="1.0" encoding="utf-8"?>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceMedium"
android:text=" 11 January 2016"
android:id="@+id/dateTv"
android:gravity="center_horizontal"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
android:layout_marginStart="16dp"
app:layout_constraintTop_toBottomOf="@+id/editText2"
android:layout_marginTop="8dp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceMedium"
android:text="12 : 59 PM"
android:id="@+id/timeTv"
android:gravity="center_horizontal"
app:layout_constraintTop_toTopOf="@+id/dateTv"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
android:layout_marginEnd="16dp"
app:layout_constraintBottom_toBottomOf="@+id/dateTv" />
<SeekBar
android:layout_width="0dp"
android:layout_height="wrap_content"
android:id="@+id/seekBarFoodQuantity"
android:max="10"
app:layout_constraintLeft_toRightOf="@+id/decrease"
android:layout_marginStart="8dp"
app:layout_constraintTop_toTopOf="@+id/decrease"
app:layout_constraintRight_toLeftOf="@+id/increase"
android:layout_marginEnd="8dp"
app:layout_constraintBottom_toBottomOf="@+id/decrease" />
<TextView
android:text="-"
android:gravity="center"
android:layout_width="49dp"
android:layout_height="49dp"
android:id="@+id/decrease"
android:textSize="40sp"
android:background="@color/red_300"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
android:layout_marginStart="16dp"
app:layout_constraintTop_toBottomOf="@+id/textView2"
android:layout_marginTop="24dp" />
<TextView
android:text="+"
android:layout_width="49dp"
android:layout_height="49dp"
android:id="@+id/increase"
android:textSize="40sp"
android:background="@color/green_400"
android:gravity="center"
app:layout_constraintTop_toTopOf="@+id/seekBarFoodQuantity"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
android:layout_marginEnd="16dp"
app:layout_constraintBottom_toBottomOf="@+id/seekBarFoodQuantity" />
<TextView
android:text="@string/quantity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tvQuantity"
android:textSize="20sp"
android:gravity="center"
app:layout_constraintLeft_toLeftOf="@+id/seekBarFoodQuantity"
app:layout_constraintTop_toBottomOf="@+id/seekBarFoodQuantity"
android:layout_marginTop="8dp"
app:layout_constraintRight_toRightOf="@+id/seekBarFoodQuantity" />
<TextView
android:text="Save"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tvSave"
android:textSize="20sp"
android:gravity="center"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
android:layout_marginStart="16dp"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
android:layout_marginEnd="16dp"
app:layout_constraintBottom_toTopOf="@+id/bottombarAddFood"
android:layout_marginBottom="8dp" />
<include layout="@layout/bottom_bar" android:id="@+id/bottombarAddFood"
android:layout_width="wrap_content"
android:layout_height="72dp"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
app:layout_constraintBottom_toBottomOf="@+id/constraintLayout4" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:text="Name"
android:ems="10"
android:id="@+id/editText2"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
android:layout_marginStart="16dp"
app:layout_constraintTop_toTopOf="@+id/constraintLayout4"
android:layout_marginTop="16dp"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
android:layout_marginEnd="16dp" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radioLittle"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
android:layout_marginStart="16dp"
app:layout_constraintTop_toBottomOf="@+id/dateTv"
android:layout_marginTop="32dp"
app:layout_constraintRight_toLeftOf="@+id/radioMedium"
android:layout_marginEnd="8dp"
app:layout_constraintHorizontal_bias="0.33" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radioMedium"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout4"
android:layout_marginStart="16dp"
app:layout_constraintTop_toTopOf="@+id/radioMost"
app:layout_constraintRight_toRightOf="@+id/constraintLayout4"
android:layout_marginEnd="16dp"
app:layout_constraintBottom_toBottomOf="@+id/radioMost"
app:layout_constraintHorizontal_bias="0.75"
app:layout_constraintVertical_bias="1.0" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radioMost"
app:layout_constraintLeft_toRightOf="@+id/radioLittle"
android:layout_marginStart="8dp"
app:layout_constraintTop_toTopOf="@+id/radioLittle"
app:layout_constraintRight_toLeftOf="@+id/radioMedium"
android:layout_marginEnd="8dp"
app:layout_constraintBottom_toBottomOf="@+id/radioLittle" />
<TextView
android:text="Little"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/textView2"
app:layout_constraintLeft_toLeftOf="@+id/radioLittle"
app:layout_constraintTop_toBottomOf="@+id/radioLittle"
android:layout_marginTop="8dp"
app:layout_constraintRight_toRightOf="@+id/radioLittle" />
<TextView
android:text="Medium"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/textView3"
app:layout_constraintLeft_toLeftOf="@+id/radioMost"
app:layout_constraintTop_toBottomOf="@+id/radioMost"
android:layout_marginTop="8dp"
app:layout_constraintRight_toRightOf="@+id/radioMost" />
<TextView
android:text="Most"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/textView4"
app:layout_constraintLeft_toLeftOf="@+id/radioMedium"
app:layout_constraintTop_toBottomOf="@+id/radioMedium"
android:layout_marginTop="8dp"
app:layout_constraintRight_toRightOf="@+id/radioMedium" />
另一个答案已经表明,它是通过降级到alpha3 –
修复的。当然,不推荐alpha3使用:-) - 我们发布alpha4,alpha5和alpha6 ...的原因是...(许多错误修复,性能改进和API更改)。具体来说,alpha 4具有很大的内部整体帮助性能,所以知道alpha 3没有问题是很好的,但是知道alpha 6是否解决了这个问题会更有用 - 它可能会,但是如果这不是我们需要照顾的) –
我已经尝试了alpha7的固定。 – UmAnusorn