在我的android应用程序中,我使用Google Maps API v2来显示带有标记的地图。它与本地调试和发行版完美配合。一旦我建立了一个签名的APK,当显示地图时,应用程序就会崩溃。仅当我在Google Cloud Console中授权签名的APK的SHA1进行API访问时,它才会崩溃。如果我删除SHA1指纹并取消对应用程序的授权,则会得到一个空白地图,但该应用程序不会崩溃。
崩溃目录:
2020-09-28 11:03:12.000 32246-32369/? E/AndroidRuntime: FATAL EXCEPTION: DefaultPool5
Process: zz.yyyyyyyyyy.xxxxxxxxxx, PID: 32246
java.lang.NullPointerException: throw with null exception
at com.google.android.libraries.maps.lv.zzj.<init>(Unknown Source:9)
at com.google.android.libraries.maps.lv.zzau.zza(Unknown Source:19)
at com.google.android.libraries.maps.lv.zze.zzb(:1)
at com.google.android.libraries.maps.lv.zze.zza(Unknown Source:2)
at com.google.android.libraries.maps.eq.zzo.zza(Unknown Source:28)
at com.google.android.libraries.maps.eq.zzc.zza(Unknown Source:11)
at com.google.android.libraries.maps.fj.zzi.zza(Unknown Source:30)
at com.google.android.libraries.maps.fj.zzi.zza(Unknown Source:85)
at com.google.android.libraries.maps.fj.zzd.run(Unknown Source:8)
at com.google.android.libraries.maps.fv.zzc.run(Unknown Source:4)
at com.google.android.libraries.maps.fv.zzae.run(Unknown Source:7)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at com.google.android.libraries.maps.fv.zzv.run(Unknown Source:50)
at java.lang.Thread.run(Thread.java:919)
答案 0 :(得分:0)
解决方案是抑制有关类别的proguard混淆:
-optimizations !code/simplification/variable
-keep public class * extends android.app.Activity
-keep public class * extends android.app.Fragment
-keep public class * extends android.support.v4.app.Fragment
# The Maps API uses custom Parcelables.
# Use this rule (which is slightly broader than the standard recommended one)
# to avoid obfuscating them.
-keepclassmembers class * implements android.os.Parcelable {
static *** CREATOR;
}
# The Maps API uses serialization.
-keepclassmembers class * implements java.io.Serializable {
static final long serialVersionUID;
static final java.io.ObjectStreamField[] serialPersistentFields;
private void writeObject(java.io.ObjectOutputStream);
private void readObject(java.io.ObjectInputStream);
java.lang.Object writeReplace();
java.lang.Object readResolve();
}
Quelle:https://github.com/googlemaps/android-samples/blob/master/ApiDemos/app/proguard-rules.pro