java Android R8在发送到Firebase时复制自定义模型类的字段
我在安卓项目中同时使用Firebase SDK和Firestore SDK。 我在构建启用R8的发布应用程序时遇到了一个问题（禁用R8没有问题）
我有一个名为“Cart”的模型类，下面是代码：
public class Cart implements Serializable {
private int productCount;
private double totalPrice;
private Map<String, CartProductItem> items;
private String storeId;
private String userNote;
//
private List<CartProductItem> itemsList;
public Cart() {
totalPrice = 0;
productCount = 0;
}
public Cart(Cart cart) {
this.productCount = cart.productCount;
this.totalPrice = cart.totalPrice;
this.storeId = cart.storeId;
this.userNote = cart.userNote;
this.items = new HashMap<>();
this.items.putAll(cart.items);
this.itemsList = new ArrayList<>();
this.itemsList.addAll(cart.itemsList);
}
public void updateCart(Cart cart) {
productCount = cart.productCount;
totalPrice = cart.totalPrice;
if (items != null) {
items.clear();
items.putAll(cart.items);
} else {
items = cart.items;
}
itemsList = null;
fillList();
}
public void resetValues() {
productCount = 0;
totalPrice = 0;
try {
items.clear();
} catch (Exception ee) {
items = null;
}
try {
itemsList.clear();
} catch (Exception e) {
itemsList = null;
}
storeId = null;
}
public void fillList() {
if (itemsList == null) {
itemsList = new ArrayList<>();
} else {
itemsList.clear();
}
if (items != null) {
for (String key : items.keySet()) {
CartProductItem item = items.get(key);
item.setId(key);
itemsList.add(item);
}
}
if (itemsList == null || itemsList.size() == 0) {
productCount = 0;
}
}
@PropertyName("products_count")
public int getProductCount() {
return productCount;
}
@PropertyName("products_count")
public void setProductCount(int productCount) {
this.productCount = productCount;
}
@PropertyName("total_price")
public double getTotalPrice() {
return totalPrice;
}
@PropertyName("total_price")
public void setTotalPrice(double totalPrice) {
this.totalPrice = totalPrice;
}
@PropertyName("items")
public Map<String, CartProductItem> getItems() {
return items;
}
@SuppressWarnings("unused")
@PropertyName("items")
public void setItems(Map<String, CartProductItem> items) {
this.items = items;
}
@Exclude
public List<CartProductItem> getItemsList() {
return itemsList;
}
@Exclude
public String getStoreId() {
return storeId;
}
@Exclude
public void setStoreId(String storeId) {
this.storeId = storeId;
}
@Exclude
public String getUserNote() {
return userNote;
}
@Exclude
public void setUserNote(String userNote) {
this.userNote = userNote;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Cart cart = (Cart) o;
return productCount == cart.productCount && Double.compare(cart.totalPrice, totalPrice) == 0 && Objects.equals(itemsList, cart.itemsList);
}
@NonNull
@Override
public String toString() {
return "Cart{" +
"\n products_count: " + productCount +
"\n total_price: " + totalPrice +
"\n itemsList: " + items.toString() +
'}';
}
public void putCartProductItem(CartProductItem item) {
if (items ==null) {
items = new HashMap<>();
}
items.put(item.getId(), item);
productsCountAndTotalPrice();
}
public void removeCartProductItem(CartProductItem item) {
if (items != null && items.containsKey(item.getId())) {
if (item.getQuantity() < 1) {
item.setQuantity(1);
}
productCount-= item.getQuantity();
totalPrice-= item.getTotalItemPrice();
items.remove(item.getId());
}
}
private void productsCountAndTotalPrice() {
double totalPrice = 0;
int count = 0;
for (CartProductItem item : items.values()) {
totalPrice += item.getTotalItemPrice();
count += item.getQuantity();
}
this.totalPrice = totalPrice;
this.productCount = count;
}
public boolean containsRequiredData() {
return productCount > Constants.ZERO
&& totalPrice >= Constants.ZERO
&& !TextUtils.isEmpty(storeId)
&& !Utils.isMapEmpty(items);
}
@Exclude
public int getCartItemsCount() {
return Utils.isMapEmpty(items) ? Constants.ZERO : items.size();
}
}
我创建了我的“Cart”类的一个新实例，用所需的数据（比如totalPrice…）填充它 当我将此对象发送到Firebase实时数据库时，结果如下所示：
而不是：
我的全定制程序规则。pro文件如下所示：
# This is a configuration file for ProGuard.
# http://proguard.sourceforge.net/index.html#manual/usage.html
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-verbose
# Optimization is turned off by default. Dex does not like code run
# through the ProGuard optimize and preverify steps (and performs some
# of these optimizations on its own).
#-dontoptimize
#-dontpreverify
# If you want to enable optimization, you should include the
# following:
-optimizations !code/simplification/arithmetic,!code/simplification/cast,!field/*,!class/merging/*
-optimizationpasses 2
-allowaccessmodification
#
# Note that you cannot just include these flags in your own
# configuration file; if you are including this file, optimization
# will be turned off. You'll need to either edit this file, or
# duplicate the contents of this file and remove the include of this
# file from your project's proguard.config path property.
-keep public class * extends 安卓.app.Activity
-keep public class * extends 安卓.app.Application
-keep public class * extends 安卓.app.Service
-keep public class * extends 安卓.content.BroadcastReceiver
-keep public class * extends 安卓.content.ContentProvider
-keep public class * extends 安卓.app.backup.BackupAgent
-keep public class * extends 安卓.preference.Preference
-keep public class * extends 安卓.app.Fragment
# For native methods, see http://proguard.sourceforge.net/manual/examples.html#native
-keepclasseswithmembernames class * {
native <methods>;
}
-keep public class * extends 安卓.view.View {
public <init>(安卓.content.Context);
public <init>(安卓.content.Context, 安卓.util.AttributeSet);
public <init>(安卓.content.Context, 安卓.util.AttributeSet, int);
public void set*(...);
}
-keepclasseswithmembers class * {
public <init>(安卓.content.Context, 安卓.util.AttributeSet);
}
-keepclasseswithmembers class * {
public <init>(安卓.content.Context, 安卓.util.AttributeSet, int);
}
-keepclassmembers class * extends 安卓.app.Activity {
public void *(安卓.view.View);
}
# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keepnames class * implements 安卓.os.Parcelable {
public static final 安卓.os.Parcelable$Creator *;
public static final ** CREATOR;
}
-keepclassmembers class **.R$* {
public static <fields>;
}
-keepnames class * implements java.io.Serializable
-keepclassmembers class * implements java.io.Serializable {
static final long serialVersionUID;
private static final java.io.ObjectStreamField[] serialPersistentFields;
!static !transient <fields>;
private void writeObject(java.io.ObjectOutputStream);
private void readObject(java.io.ObjectInputStream);
java.lang.Object writeReplace();
java.lang.Object readResolve();
}
-keep class 安卓.support.v4.app.** { *; }
-keep interface 安卓.support.v4.app.** { *; }
-keep class com.actionbarsherlock.** { *; }
-keep interface com.actionbarsherlock.** { *; }
# The support library contains references to newer platform versions.
# Don't warn about those in case this app is linking against an older
# platform version. We know about them, and they are safe.
-dontwarn 安卓.support.**
-dontwarn com.google.ads.**
-dontwarn 安卓x.appcompat.widget.**
-dontwarn com.squareup.okhttp.**
-keep class project.iobird.menutium安卓.models.** { *; }
-keep class project.iobird.menutium安卓.RichLinkPreview.** { *; }
-keep interface project.iobird.menutium安卓.RichLinkPreview.** { *; }
-keep public class * implements com.bumptech.glide.module.GlideModule
-keep public class * extends com.bumptech.glide.GeneratedAppGlideModule
-keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
**[] $VALUES;
public *;
}
-keep public class * extends com.bumptech.glide.module.AppGlideModule
-keep class com.bumptech.glide.GeneratedAppGlideModuleImpl
-keep class butterknife.** { *; }
-dontwarn butterknife.internal.**
-keep class **$$ViewBinder { *; }
-keepclasseswithmembernames class * {
@butterknife.* <fields>;
}
-keepclasseswithmembernames class * {
@butterknife.* <methods>;
}
-keepattributes SourceFile,LineNumberTable
-keep public class * extends java.lang.Exception
-keep public class * extends java.lang.annotation.Annotation
#related to Firebase
# Keep custom model classes
#-keep class com.google.firebase.example.fireeats.java.model.** { *; }
-keep class com.google.安卓.gms.** { *; }
-keep class com.google.firebase.** { *; }
-keep class com.google.firebase.iid.FirebaseInstanceId { zza(...); }
# https://github.com/firebase/FirebaseUI-Android/issues/1175
-dontwarn okio.**
-dontwarn retrofit2.Call
-dontnote retrofit2.Platform$IOS$MainThreadExecutor
#-keep class 安卓x.recyclerview.widget.RecyclerView { *; }
#Crashlytics measurements
-keep class com.google.安卓.gms.measurement.** { *; }
-dontwarn com.google.安卓.gms.measurement.**
#Apache commons math3
-keep class org.apache.commons.math3.** { *; }
-dontwarn org.apache.commons.math3.**
-keep class * extends com.stfalcon.chatkit.messages.MessageHolders.BaseOutcomingMessageViewHolder {
public <init>(安卓.view.View, java.lang.Object);
public <init>(安卓.view.View);
}
-keep class * extends com.stfalcon.chatkit.messages.MessageHolders.OutcomingTextMessageViewHolder {
public <init>(安卓.view.View, java.lang.Object);
public <init>(安卓.view.View);
}
-keep class * extends com.stfalcon.chatkit.messages.MessageHolders.OutcomingImageMessageViewHolder {
public <init>(安卓.view.View, java.lang.Object);
public <init>(安卓.view.View);
}
-keep class * extends com.stfalcon.chatkit.messages.MessageHolders.BaseIncomingMessageViewHolder {
public <init>(安卓.view.View, java.lang.Object);
public <init>(安卓.view.View);
}
-keep class * extends com.stfalcon.chatkit.messages.MessageHolders.IncomingTextMessageViewHolder {
public <init>(安卓.view.View, java.lang.Object);
public <init>(安卓.view.View);
}
-keep class * extends com.stfalcon.chatkit.messages.MessageHolders.IncomingImageMessageViewHolder {
public <init>(安卓.view.View, java.lang.Object);
public <init>(安卓.view.View);
}
-assumenosideeffects class com.安卓.volley.VolleyLog {
public static void v(...);
public static void d(...);
public static void e(...);
public static void wtf(...);
}
##---------------Begin: proguard configuration for Gson ----------
# Gson uses generic type information stored in a class file when working with fields. Proguard
# removes such information by default, so configure it to keep all of it.
-keepattributes Signature
# For using GSON @Expose annotation
-keepattributes *Annotation*
# Gson specific classes
-dontwarn sun.misc.**
#-keep class com.google.gson.stream.** { *; }
# Application classes that will be serialized/deserialized over Gson
-keep class com.google.gson.examples.安卓.model.** { <fields>; }
# Prevent proguard from stripping interface information from TypeAdapter, TypeAdapterFactory,
# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
-keep class * extends com.google.gson.TypeAdapter
-keep class * implements com.google.gson.TypeAdapter
-keep class * implements com.google.gson.TypeAdapterFactory
-keep class * implements com.google.gson.JsonSerializer
-keep class * implements com.google.gson.JsonDeserializer
# Prevent R8 from leaving Data object members always null
-keepclassmembers,allowobfuscation class * {
@com.google.gson.annotations.SerializedName <fields>;
}
##---------------End: proguard configuration for Gson ----------
#Add below line into your proguard-rules.pro to output a full report of all the rules that R8 applies when building your project.
-printconfiguration ./R8-generated/full-r8-config.txt
-printusage ./R8-generated/r8-usage.txt
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