我不是很熟悉 android Activity ，以及它是如何工作的；关于该主题的任何形式的指导都会很棒。我在将广告 SDK 与我的游戏集成时遇到问题。我将介绍几个类，以便充分理解我的代码。本质上，我正在尝试确定一种将 StartApp sdk(广告 sdk)与我的 libGDX 游戏集成的好方法。我收到似乎是由 startAppAd.show(); 引起的循环错误；和 startAppAd.load();被调用。
这是堆栈跟踪(提到一个 ui 线程，并在不同的线程上加载广告):
01-05 15:55:27.646: W/webview_proxy(14876): java.lang.Throwable: Warning: A WebView method was called on thread 'GLThread 8584'. All WebView methods must be called on the UI thread. Future versions of WebView may not support use on other threads.
01-05 15:55:27.646: W/webview_proxy(14876): at android.webkit.WebView.checkThread(WebView.java:1895)
01-05 15:55:27.646: W/webview_proxy(14876): at android.webkit.WebView.ensureProviderCreated(WebView.java:1878)
01-05 15:55:27.646: W/webview_proxy(14876): at android.webkit.WebView.setOverScrollMode(WebView.java:1935)
01-05 15:55:27.646: W/webview_proxy(14876): at android.view.View.<init>(View.java:3316)
01-05 15:55:27.646: W/webview_proxy(14876): at android.view.View.<init>(View.java:3383)
01-05 15:55:27.646: W/webview_proxy(14876): at android.view.ViewGroup.<init>(ViewGroup.java:432)
01-05 15:55:27.646: W/webview_proxy(14876): at android.widget.AbsoluteLayout.<init>(AbsoluteLayout.java:52)
01-05 15:55:27.646: W/webview_proxy(14876): at android.webkit.WebView.<init>(WebView.java:505)
01-05 15:55:27.646: W/webview_proxy(14876): at android.webkit.WebView.<init>(WebView.java:482)
01-05 15:55:27.646: W/webview_proxy(14876): at android.webkit.WebView.<init>(WebView.java:468)
01-05 15:55:27.646: W/webview_proxy(14876): at android.webkit.WebView.<init>(WebView.java:457)
01-05 15:55:27.646: W/webview_proxy(14876): at android.webkit.WebView.<init>(WebView.java:447)
01-05 15:55:27.646: W/webview_proxy(14876): at com.startapp.android.publish.Ad.load(Unknown Source)
01-05 15:55:27.646: W/webview_proxy(14876): at com.startapp.android.publish.HtmlAd.load(Unknown Source)
01-05 15:55:27.646: W/webview_proxy(14876): at com.startapp.android.publish.StartAppAd.loadAds(Unknown Source)
01-05 15:55:27.646: W/webview_proxy(14876): at com.startapp.android.publish.StartAppAd.load(Unknown Source)
01-05 15:55:27.646: W/webview_proxy(14876): at com.startapp.android.publish.StartAppAd.loadAd(Unknown Source)
01-05 15:55:27.646: W/webview_proxy(14876): at com.startapp.android.publish.StartAppAd.loadAd(Unknown Source)
01-05 15:55:27.646: W/webview_proxy(14876): at com.startapp.android.publish.StartAppAd.onResume(Unknown Source)
01-05 15:55:27.646: W/webview_proxy(14876): at com.audiack.freetappgame.MainActivity.resume(MainActivity.java:41)
01-05 15:55:27.646: W/webview_proxy(14876): at Screens.GameScreen.resume(GameScreen.java:699)
01-05 15:55:27.646: W/webview_proxy(14876): at com.badlogic.gdx.Game.resume(Game.java:41)
01-05 15:55:27.646: W/webview_proxy(14876): at com.badlogic.gdx.backends.android.AndroidGraphics.onDrawFrame(AndroidGraphics.java:480)
01-05 15:55:27.646: W/webview_proxy(14876): at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1516)
01-05 15:55:27.646: W/webview_proxy(14876): at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1240)
01-05 15:55:27.656: W/IInputConnectionWrapper(14876): getSelectedText on inactive InputConnection
01-05 15:55:27.656: D/SensorManager(14876): onAccuracyChanged :: accuracy = 3
01-05 15:55:27.656: W/IInputConnectionWrapper(14876): setComposingText on inactive InputConnection
01-05 15:55:27.676: W/webview_proxy(14876): java.lang.Throwable: Warning: A WebView method was called on thread 'GLThread 8584'. All WebView methods must be called on the UI thread. Future versions of WebView may not support use on other threads.
01-05 15:55:27.676: W/webview_proxy(14876): at android.webkit.WebView.checkThread(WebView.java:1895)
01-05 15:55:27.676: W/webview_proxy(14876): at android.webkit.WebView.getFactory(WebView.java:1889)
01-05 15:55:27.676: W/webview_proxy(14876): at android.webkit.WebView.ensureProviderCreated(WebView.java:1882)
01-05 15:55:27.676: W/webview_proxy(14876): at android.webkit.WebView.setOverScrollMode(WebView.java:1935)
01-05 15:55:27.676: W/webview_proxy(14876): at android.view.View.<init>(View.java:3316)
01-05 15:55:27.676: W/webview_proxy(14876): at android.view.View.<init>(View.java:3383)
01-05 15:55:27.676: W/webview_proxy(14876): at android.view.ViewGroup.<init>(ViewGroup.java:432)
01-05 15:55:27.676: W/webview_proxy(14876): at android.widget.AbsoluteLayout.<init>(AbsoluteLayout.java:52)
01-05 15:55:27.676: W/webview_proxy(14876): at android.webkit.WebView.<init>(WebView.java:505)
01-05 15:55:27.676: W/webview_proxy(14876): at android.webkit.WebView.<init>(WebView.java:482)
01-05 15:55:27.676: W/webview_proxy(14876): at android.webkit.WebView.<init>(WebView.java:468)
01-05 15:55:27.676: W/webview_proxy(14876): at android.webkit.WebView.<init>(WebView.java:457)
01-05 15:55:27.676: W/webview_proxy(14876): at android.webkit.WebView.<init>(WebView.java:447)
01-05 15:55:27.676: W/webview_proxy(14876): at com.startapp.android.publish.Ad.load(Unknown Source)
01-05 15:55:27.676: W/webview_proxy(14876): at com.startapp.android.publish.HtmlAd.load(Unknown Source)
01-05 15:55:27.676: W/webview_proxy(14876): at com.startapp.android.publish.StartAppAd.loadAds(Unknown Source)
01-05 15:55:27.676: W/webview_proxy(14876): at com.startapp.android.publish.StartAppAd.load(Unknown Source)
01-05 15:55:27.676: W/webview_proxy(14876): at com.startapp.android.publish.StartAppAd.loadAd(Unknown Source)
01-05 15:55:27.676: W/webview_proxy(14876): at com.startapp.android.publish.StartAppAd.loadAd(Unknown Source)
01-05 15:55:27.676: W/webview_proxy(14876): at com.startapp.android.publish.StartAppAd.onResume(Unknown Source)
01-05 15:55:27.676: W/webview_proxy(14876): at com.audiack.freetappgame.MainActivity.resume(MainActivity.java:41)
01-05 15:55:27.676: W/webview_proxy(14876): at Screens.GameScreen.resume(GameScreen.java:699)
01-05 15:55:27.676: W/webview_proxy(14876): at com.badlogic.gdx.Game.resume(Game.java:41)
01-05 15:55:27.676: W/webview_proxy(14876): at com.badlogic.gdx.backends.android.AndroidGraphics.onDrawFrame(AndroidGraphics.java:480)
01-05 15:55:27.676: W/webview_proxy(14876): at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1516)
01-05 15:55:27.676: W/webview_proxy(14876): at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1240)
01-05 15:55:27.706: W/dalvikvm(14876): threadid=11: thread exiting with uncaught exception (group=0x4159a438)
01-05 15:55:27.716: E/AndroidRuntime(14876): FATAL EXCEPTION: GLThread 8584
01-05 15:55:27.716: E/AndroidRuntime(14876): java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.os.Handler.<init>(Handler.java:121)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.webkit.WebViewClassic$PrivateHandler.<init>(WebViewClassic.java:10636)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.webkit.WebViewClassic.<init>(WebViewClassic.java:1258)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.webkit.WebViewClassic$Factory.createWebView(WebViewClassic.java:2031)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.webkit.WebView.ensureProviderCreated(WebView.java:1882)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.webkit.WebView.setOverScrollMode(WebView.java:1935)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.view.View.<init>(View.java:3316)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.view.View.<init>(View.java:3383)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.view.ViewGroup.<init>(ViewGroup.java:432)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.widget.AbsoluteLayout.<init>(AbsoluteLayout.java:52)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.webkit.WebView.<init>(WebView.java:505)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.webkit.WebView.<init>(WebView.java:482)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.webkit.WebView.<init>(WebView.java:468)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.webkit.WebView.<init>(WebView.java:457)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.webkit.WebView.<init>(WebView.java:447)
01-05 15:55:27.716: E/AndroidRuntime(14876): at com.startapp.android.publish.Ad.load(Unknown Source)
01-05 15:55:27.716: E/AndroidRuntime(14876): at com.startapp.android.publish.HtmlAd.load(Unknown Source)
01-05 15:55:27.716: E/AndroidRuntime(14876): at com.startapp.android.publish.StartAppAd.loadAds(Unknown Source)
01-05 15:55:27.716: E/AndroidRuntime(14876): at com.startapp.android.publish.StartAppAd.load(Unknown Source)
01-05 15:55:27.716: E/AndroidRuntime(14876): at com.startapp.android.publish.StartAppAd.loadAd(Unknown Source)
01-05 15:55:27.716: E/AndroidRuntime(14876): at com.startapp.android.publish.StartAppAd.loadAd(Unknown Source)
01-05 15:55:27.716: E/AndroidRuntime(14876): at com.startapp.android.publish.StartAppAd.onResume(Unknown Source)
01-05 15:55:27.716: E/AndroidRuntime(14876): at com.audiack.freetappgame.MainActivity.resume(MainActivity.java:41)
01-05 15:55:27.716: E/AndroidRuntime(14876): at Screens.GameScreen.resume(GameScreen.java:699)
01-05 15:55:27.716: E/AndroidRuntime(14876): at com.badlogic.gdx.Game.resume(Game.java:41)
01-05 15:55:27.716: E/AndroidRuntime(14876): at com.badlogic.gdx.backends.android.AndroidGraphics.onDrawFrame(AndroidGraphics.java:480)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1516)
01-05 15:55:27.716: E/AndroidRuntime(14876): at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1240)
01-05 15:57:29.236: E/System(14876): Uncaught exception thrown by finalizer
01-05 15:57:29.246: E/System(14876): java.lang.NullPointerException
01-05 15:57:29.246: E/System(14876): at android.webkit.WebViewClassic.destroy(WebViewClassic.java:2954)
01-05 15:57:29.246: E/System(14876): at android.webkit.WebViewClassic.finalize(WebViewClassic.java:5366)
01-05 15:57:29.246: E/System(14876): at java.lang.Daemons$FinalizerDaemon.doFinalize(Daemons.java:186)
01-05 15:57:29.246: E/System(14876): at java.lang.Daemons$FinalizerDaemon.run(Daemons.java:169)
01-05 15:57:29.246: E/System(14876): at java.lang.Thread.run(Thread.java:856)
这似乎与尝试在启动 Activity 中加载广告有关。这是我的启动 Activity (也是唯一的 Activity ，因为 libGDX 只在 android 上运行一个 Activity ):
package com.audiack.freetappgame;
import Screens.FreeTappGame;
import UtilityClasses.StartAppResolver;
import android.os.Bundle;
import android.os.Looper;
import com.badlogic.gdx.backends.android.AndroidApplication;
import com.badlogic.gdx.backends.android.AndroidApplicationConfiguration;
import com.badlogic.gdx.graphics.Texture;
import com.searchboxsdk.android.StartAppSearch;
import com.startapp.android.publish.StartAppAd;
public class MainActivity extends AndroidApplication implements StartAppResolver{
public StartAppAd startAppAd = new StartAppAd(this);
public StartAppSearch startAppSearch= new StartAppSearch();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
AndroidApplicationConfiguration cfg = new AndroidApplicationConfiguration();
StartAppAd.init(this, "101164873", "201640058");
StartAppSearch.init(this, "101164873", "201640058");
Texture.setEnforcePotImages(false);
cfg.useGL20 = true;
initialize(new FreeTappGame(this), cfg);
StartAppSearch.showSearchBox(this);
}
@Override
public boolean showAds() {
startAppAd.load();
startAppAd.show();
return true;
}
@Override
public boolean resume() {
startAppAd.onResume();
return true;
}
@Override
public boolean backButton() {
return true;
}
@Override
public boolean pause() {
startAppAd.onPause();
return true;
}
}
如您所见，我让此 Activity 实现了我创建的接口(interface)，然后我将 Activity 本身传递给 ApplicationListener，从而允许 libGDX 方法与 Activity 进行交互。 这是那个界面；根据我的研究时间，这是将广告集成到 libGDX 中的最佳方式(但这些方式适用于类似的广告 sdk 而不是直接使用 StartApp):
package UtilityClasses;
public interface StartAppResolver {
public boolean showAds();
public boolean resume();
public boolean backButton();
public boolean pause();
}
最后是 ApplicationListener(FreeTappGame 类):
package Screens;
import UtilityClasses.Assets;
import UtilityClasses.StartAppResolver;
import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Game;
import com.badlogic.gdx.Gdx;
public class FreeTappGame extends Game implements ApplicationListener {
static float Width;
static float Height;
public StartAppResolver startAppResolver;
public SplashScreen splash_screen;
public MenuScreen menu_screen;
public GameScreen game_screen;
public HighscoreScreen highscore_screen;
public AboutScreen about_screen;
public FreeTappGame(StartAppResolver startAppResolver) {
this.startAppResolver = startAppResolver;
}
@Override
public void create() {
Width = Gdx.graphics.getWidth();
Height = Gdx.graphics.getHeight();
Assets.load();
splash_screen = new SplashScreen(this);
menu_screen = new MenuScreen(this);
game_screen = new GameScreen(this);
highscore_screen = new HighscoreScreen(this);
about_screen = new AboutScreen(this);
setScreen(splash_screen);
}
}
非常感谢您的宝贵时间。
最佳答案
我会删除这个线程，因为这里有一个类似的问题:WebView Methods is not called in android 但是stackoverflow上关于startapp的解决方案并不多，我觉得这个问题对尝试集成startapp的人会有帮助。我换了
@Override
public boolean showAds() {
startAppAd.load();
startAppAd.show();
return true;
}
与
@Override
public boolean showAds() {
this.runOnUiThread(new Runnable() {
@Override
public void run() {
startAppAd.show();
}
});
return true;
}
然后我将 startAppAd.load() 放在初始化方法之后:
initialize(new FreeTappGame(this), cfg);
startAppAd.load();
这对我有用；我希望这对某人有所帮助。
关于android - libGDX 的 Looper 错误，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/20940338/