Android LibGDX 应用程序在本地工作，但在 alpha 测试时崩溃

【问题标题】：Android LibGDX application works locally but crashes on alpha testingAndroid LibGDX 应用程序在本地工作，但在 alpha 测试时崩溃
【发布时间】：2017-01-04 00:12:53
【问题描述】：

我有一个 libGDX 应用程序，几个月来我已经在 Google Play Store 上发布了许多版本。但是现在我遇到了一个我没有解决任何运气的问题。

当我在我的 Android 设备上启动该应用程序时，它在 Eclipse 中运行良好，但是当我导出 APK 并将其上传到 Play 商店并下载 Alpha 测试版本时，它会因以下错误而崩溃：

08-27 13:01:39.000: E/AndroidRuntime(16968): FATAL EXCEPTION: GLThread 6159
08-27 13:01:39.000: E/AndroidRuntime(16968): Process: com.xaoilin.soloshape, PID: 16968
08-27 13:01:39.000: E/AndroidRuntime(16968): com.badlogic.gdx.utils.bf: Error reading file: data/scroller/uiskin.json
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.badlogic.gdx.f.a.a.j.a(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.badlogic.gdx.f.a.a.j.<init>(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.xaoilin.a.a.j(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.xaoilin.a.a.<init>(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.xaoilin.c.a.b(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.xaoilin.c.a.<init>(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.xaoilin.f.a.<init>(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.xaoilin.f.c.a(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at a.a.a.b(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at a.a.a.l(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at a.a.a.a(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at a.a.k.a(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.xaoilin.f.b.a(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.badlogic.gdx.f.b(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.badlogic.gdx.backends.android.m.onDrawFrame(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1531)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1248)
08-27 13:01:39.000: E/AndroidRuntime(16968): Caused by: com.badlogic.gdx.utils.bf: Error reading file: data/scroller/uiskin.json
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.badlogic.gdx.utils.o.a(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    ... 17 more
08-27 13:01:39.000: E/AndroidRuntime(16968): Caused by: com.badlogic.gdx.utils.bf: 
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.badlogic.gdx.f.a.a.l.a(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.badlogic.gdx.f.a.a.l.b(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.badlogic.gdx.utils.o.a(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.badlogic.gdx.f.a.a.k.a(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    ... 18 more
08-27 13:01:39.000: E/AndroidRuntime(16968): Caused by: com.badlogic.gdx.utils.b.f: Class not found: com.badlogic.gdx.graphics.g2d.BitmapFont
08-27 13:01:39.000: E/AndroidRuntime(16968):    at com.badlogic.gdx.utils.b.b.a(Unknown Source)
08-27 13:01:39.000: E/AndroidRuntime(16968):    ... 22 more
08-27 13:01:39.000: E/AndroidRuntime(16968): Caused by: java.lang.ClassNotFoundException: com.badlogic.gdx.graphics.g2d.BitmapFont
08-27 13:01:39.000: E/AndroidRuntime(16968):    at java.lang.Class.classForName(Native Method)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at java.lang.Class.forName(Class.java:251)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at java.lang.Class.forName(Class.java:216)
08-27 13:01:39.000: E/AndroidRuntime(16968):    ... 23 more
08-27 13:01:39.000: E/AndroidRuntime(16968): Caused by: java.lang.NoClassDefFoundError: com/badlogic/gdx/graphics/g2d/BitmapFont
08-27 13:01:39.000: E/AndroidRuntime(16968):    ... 26 more
08-27 13:01:39.000: E/AndroidRuntime(16968): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.badlogic.gdx.graphics.g2d.BitmapFont" on path: DexPathList[[zip file "/data/app/com.xaoilin.soloshape-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.xaoilin.soloshape-1, /vendor/lib, /system/lib]]
08-27 13:01:39.000: E/AndroidRuntime(16968):    at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:67)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
08-27 13:01:39.000: E/AndroidRuntime(16968):    at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
08-27 13:01:39.000: E/AndroidRuntime(16968):    ... 26 more

如您所见，我遇到的第一个错误是读取文件：data/scroller/uiskin.json

这是尝试在我的代码中读取此文件的行：

// Loads the ui's skin to be used on this example:
    uiSkin = new Skin(Gdx.files.internal("data/scroller/uiskin.json"),
            assetManager.get("data/scroller/uiskin.atlas", TextureAtlas.class));

请务必注意此文件绝不会导致实时发布崩溃，事实上，它与我在应用程序中实现的新功能完全无关。我在Gdx-Wiki 中实现GdxPay，并离线测试了结果，一切都按预期工作。

但是如上所述，由于某种原因上传到 Play 商店时，在我的代码库完全独立的区域中加载随机 json 文件时会崩溃。

启动

这是在我的设备上通过 Eclipse 启动应用程序时发生的情况：应用程序使用 Tween 引擎加载初始屏幕，然后成功自动加载游戏屏幕。

通过作为 Alpha 测试发布的 Google Play 商店启动应用程序时会发生这种情况：应用程序成功加载初始屏幕，然后崩溃并出现上述关于无法读取的错误消息json 文件。

我对此原因的唯一猜测是导出的 APK 与我在使用 Eclipse 时安装的 APK 不同。我已经在三星平板电脑和智能手机上对此进行了测试，两者都产生了与上述相同的结果。

我了解 proguard 配置 会影响导出的 APK，我已经更改了几次配置设置，但在从 Play 商店下载和运行时仍然崩溃。

供参考

我的核心游戏课程

package com.xaoilin.soloshape;

import com.badlogic.gdx.Game;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.pay.Offer;
import com.badlogic.gdx.pay.OfferType;
import com.badlogic.gdx.pay.PurchaseManagerConfig;
import com.badlogic.gdx.pay.PurchaseObserver;
import com.badlogic.gdx.pay.Transaction;
import com.badlogic.gdx.utils.GdxRuntimeException;
import com.xaoilin.SSHelpers.AssetLoader;
import com.xaoilin.Screens.SplashScreen;

public class SSGame extends Game {

    // ----- app stores -------------------------
    public static final int APPSTORE_UNDEFINED  = 0;
    public static final int APPSTORE_GOOGLE     = 1;
    public static final int APPSTORE_OUYA       = 2;
    public static final int APPSTORE_AMAZON     = 3;
    public static final int APPSTORE_DESKTOP    = 4;

    private int isAppStore = APPSTORE_UNDEFINED;

    public final static String productID_fullVersion = "fullversion";
    public static PlatformResolver m_platformResolver;
    public PurchaseManagerConfig purchaseManagerConfig;

    public PurchaseObserver purchaseObserver = new PurchaseObserver() {
        @Override
        public void handleRestore (Transaction[] transactions) {
            for (int i = 0; i < transactions.length; i++) {
                if (checkTransaction(transactions[i].getIdentifier(), true) == true) break;
            }
        }
        @Override
        public void handleRestoreError (Throwable e) {
            throw new GdxRuntimeException(e);
        }
        @Override
        public void handleInstall () {  }

        @Override
        public void handleInstallError (Throwable e) {
            Gdx.app.log("ERROR", "PurchaseObserver: handleInstallError!: " + e.getMessage());
            throw new GdxRuntimeException(e);
        }
        @Override
        public void handlePurchase (Transaction transaction) {
            checkTransaction(transaction.getIdentifier(), false);
        }
        @Override
        public void handlePurchaseError (Throwable e) { //--- Amazon IAP: this will be called for cancelled
            throw new GdxRuntimeException(e);
        }
        @Override
        public void handlePurchaseCanceled () { //--- will not be called by amazonIAP
        }
    };

    protected boolean checkTransaction (String ID, boolean isRestore) {
        boolean returnbool = false;

        if (productID_fullVersion.equals(ID)) {
            Gdx.app.log("checkTransaction", "full version found!");

            //----- put your logic for full version here!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

            returnbool = true;
        }
        return returnbool;
    }

    public SSGame () {
        setAppStore(APPSTORE_GOOGLE);   // change this if you deploy to another platform        

        // ---- IAP: define products ---------------------
        purchaseManagerConfig = new PurchaseManagerConfig();
        purchaseManagerConfig.addOffer(new Offer().setType(OfferType.CONSUMABLE).setIdentifier(productID_fullVersion));
    }

    @Override
    public void create() {
        getPlatformResolver().requestPurchaseRestore(); // check for purchases in the past
        AssetLoader.load();

        setScreen(new SplashScreen(this));
        // setScreen(new GameScreen());
    }



    @Override
    public void dispose() {
        super.dispose();
        AssetLoader.dispose();
    }

    public PlatformResolver getPlatformResolver() {
        return m_platformResolver;
    }
    public static void setPlatformResolver (PlatformResolver platformResolver) {
        m_platformResolver = platformResolver;
    }

    public int getAppStore () {
        return isAppStore;
    }
    public void setAppStore (int isAppStore) {
        this.isAppStore = isAppStore;
    }
}

我的 Android 启动器活动

package com.xaoilin.soloshape;

import com.badlogic.gdx.backends.android.AndroidApplication;
import com.badlogic.gdx.backends.android.AndroidApplicationConfiguration;
import android.content.Intent;
import android.os.Bundle;

public class AndroidLauncher extends AndroidApplication {
    SSGame game;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        AndroidApplicationConfiguration config = new AndroidApplicationConfiguration();
        game = new SSGame();
        initialize(game, config);

        if (game.getAppStore() == SSGame.APPSTORE_GOOGLE) {
            SSGame.setPlatformResolver(new GooglePlayResolver(game));
        }

        game.getPlatformResolver().installIAP();
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();

        // InApp: dispose payment system(s)
        game.getPlatformResolver().dispose();
    }
}

如果有人知道是什么导致应用程序在现场崩溃但在本地运行良好，那将是一个巨大的帮助。提前致谢！

Tldr; Android LibGDX 应用程序在 android 设备上启动时在本地运行良好，但是当上传到 Play 商店并从 Play 商店启动时，由于无法在我的代码的随机区域中加载随机文件而崩溃，这从未给我以前的任何问题发布。

编辑

Proguard 文件

-verbose

-dontwarn javax.annotation.Nullable
-dontwarn android.support.**
-dontwarn com.badlogic.gdx.backends.android.AndroidFragmentApplication
-dontwarn com.badlogic.gdx.utils.GdxBuild
-dontwarn com.badlogic.gdx.physics.box2d.utils.Box2DBuild
-dontwarn com.badlogic.gdx.jnigen.BuildTarget*
-dontwarn com.badlogic.gdx.graphics.g2d.freetype.FreetypeBuild

-keep class com.badlogic.gdx.controllers.android.AndroidControllers

-keepclassmembers class com.badlogic.gdx.backends.android.AndroidInput* {
   <init>(com.badlogic.gdx.Application, android.content.Context, java.lang.Object, com.badlogic.gdx.backends.android.AndroidApplicationConfiguration);
}

-keepclassmembers class com.badlogic.gdx.physics.box2d.World {
   boolean contactFilter(long, long);
   void    beginContact(long);
   void    endContact(long);
   void    preSolve(long, long);
   void    postSolve(long, long);
   boolean reportFixture(long);
   float   reportRayFixture(long, float, float, float, float, float);
}

-keep class com.android.vending.billing.**
-keep class com.amazon.** {*;}
-keep class com.sec.android.iap.**
-keep class com.nokia.payment.iap.aidl.**
-keep class org.onepf.oms.appstore.**
-dontwarn org.onepf.oms.appstore.**

-keep public class com.badlogic.gdx.Gdx {
  public protected *;
}

-keep public class com.badlogic.gdx.Application {
  public protected *;
}

-keep public class com.badlogic.gdx.pay.android.IAP {
  public protected *;
}

-keep public class com.badlogic.gdx.backends.android.AndroidEventListener {
  public protected *;
}

-keep public class com.badlogic.gdx.backends.android.AndroidApplication {
  public protected *;
}

-keep public class com.badlogic.gdx.pay.android.openiab.PurchaseManagerAndroidOpenIAB {
  public protected *;
}

-keep public class com.badlogic.gdx.pay.android.googleplay.AndroidGooglePlayPurchaseManager {
  public protected *;
}

【问题讨论】：

  • 为什么会发生：你可能没有正确构建它，所以 libGDX 不包含在 APK 中。查看 ClassNotFoundException
  • @Polarbear0106 就是这样，我仔细查看了 proguard-project.txt 文件并添加了这一行“-keep class com.badlogic.** {*;}”，效果很好，谢谢！

标签： android libgdx crash google-play in-app-purchase


【解决方案1】：

正如@Polarbear0106 所说，libGDX 的组件未包含在 APK 中。对我有用的解决方法是在 proguard-project.txt 文件中添加这一行：

"-keep class com.badlogic.** {*;}"

然后正确导出并上传到 Play 商店，现场版不再崩溃！

【讨论】：

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