我目前正在制作我的第一个游戏(我不会无耻地推广),但我正在尝试设置排行榜,但是当我尝试初始化我的GameHelper时,我得到了一个例外。我无法找到任何答案,我将不胜感激。
代码:
package com.aidanstrong.runner;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.backends.android.AndroidApplication;
import com.badlogic.gdx.backends.android.AndroidApplicationConfiguration;
import com.google.android.gms.games.Games;
import com.google.example.games.basegameutils.GameHelper;
import com.google.example.games.basegameutils.GameHelper.GameHelperListener;
public class AndroidLauncher extends AndroidApplication implements GameHelperListener, PlayServices{
private final static int requestCode = 1;
private GameHelper gameHelper;
@Override
protected void onCreate (Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
AndroidApplicationConfiguration config = new AndroidApplicationConfiguration();
initialize(new MyGame(this), config);
gameHelper = new GameHelper(this,GameHelper.CLIENT_ALL);
gameHelper.enableDebugLog(true);
gameHelper.setup(this);
}
@Override
public void onStart(){
super.onStart();
gameHelper.onStart(this);
}
@Override
public void onStop(){
super.onStop();
gameHelper.onStop();
}
@Override
public void onActivityResult(int request, int response, Intent data) {
super.onActivityResult(request, response, data);
gameHelper.onActivityResult(request, response, data);
}
@Override
public boolean signIn() {
return gameHelper.isSignedIn();
}
@Override
public void logIn() {
try {
runOnUiThread(new Runnable(){
public void run() {
gameHelper.beginUserInitiatedSignIn();
}
});
} catch (final Exception ex) {
}
}
@Override
public void submitScore(int score) {
Games.Leaderboards.submitScore(gameHelper.getApiClient(),"CgkIlKy-68IeEAIQAQ",score);
}
@Override
public void getLeaderboard() {
Games.Leaderboards.getLeaderboardIntent(gameHelper.getApiClient(),"CgkIlKy-68IeEAIQAQ");
}
@Override
public void onSignInFailed() {
}
@Override
public void onSignInSucceeded() {
}
}
我收到的错误是
" java.lang.RuntimeException:无法实例化活动 ComponentInfo {com.aidanstrong.runner / com.aidanstrong.runner.AndroidLauncher}: java.lang.NullPointerException:尝试调用虚方法 ' android.content.Context android.content.Context.getApplicationContext()'在null对象上 参考"在第21行。
编辑: 我试了一下并得到了一个新错误,将构造函数中的所有语句移到gameHelper.setup之前(这个)我得到了错误
致命的例外:主要 过程:com.aidanstrong.runner,PID:11950 java.lang.NoSuchMethodError:没有直接的方法 (Ljava /郎/字符串; LCOM /谷歌/机器人/克/普通/ API /阿比$ ZZA; LCOM /谷歌/机器人/克/普通/ API /阿比$ ZZC;)V 在课堂Lcom / google / android / gms / common / api / Api;或者它的超级课程 (声明&com; go.google.android.gms.common.api.Api'出现在 /data/app/com.aidanstrong.runner-1/split_lib_dependencies_apk.apk) 在com.google.android.gms.plus.Plus。(未知来源) 在 com.google.example.games.basegameutils.GameHelper.createApiClientBuilder(GameHelper.java:276) 在 com.google.example.games.basegameutils.GameHelper.setup(GameHelper.java:309) 在 com.aidanstrong.runner.AndroidLauncher.onCreate(AndroidLauncher.java:32) 在android.app.Activity.performCreate(Activity.java:6270) 在 android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1130) 在 android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2395) 在 android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2506) 在android.app.ActivityThread.-wrap11(ActivityThread.java) 在 android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1363) 在android.os.Handler.dispatchMessage(Handler.java:102) 在android.os.Looper.loop(Looper.java:148) 在android.app.ActivityThread.main(ActivityThread.java:5491) at java.lang.reflect.Method.invoke(Native Method) 在 com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:728) 在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)'
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.aidanstrong.runner"
android:versionCode="6"
android:versionName="1.22" >
<uses-sdk android:minSdkVersion="15" android:targetSdkVersion="25" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.VIBRATE"/>
<application
android:allowBackup="true"
android:icon="@drawable/secondicon"
android:label="Jump Man"
android:theme="@style/GdxTheme" >
<activity
android:name="com.aidanstrong.runner.AndroidLauncher"
android:label="Jump Man"
android:screenOrientation="portrait"
android:configChanges="keyboard|keyboardHidden|orientation|screenSize">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<meta-data android:name="com.google.android.gms.games.APP_ID" android:value="@string/app_id" />
<meta-data android:name="com.google.android.gms.appstate.APP_ID" android:value="@string/app_id" />
</application>
答案 0 :(得分:0)
将元数据保留在<application
代码
<meta-data android:name="com.google.android.gms.games.APP_ID" android:value="@string/app_id" />
<meta-data android:name="com.google.android.gms.appstate.APP_ID" android:value="@string/app_id" />
删除AndroidLauncher
public class AndroidLauncher extends AndroidApplication implements IGoogleServices {
private GameHelper gameHelper;
private final static int REQUEST_CODE_UNUSED = 9002;
private static final String TAG = "[" + AndroidLauncher.class.getSimpleName() + "]";
@Override
protected void onCreate (Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
gameHelper = new GameHelper(this, GameHelper.CLIENT_GAMES);
gameHelper.enableDebugLog(true);
GameHelper.GameHelperListener gameHelperListener = new GameHelper.GameHelperListener() {
@Override
public void onSignInSucceeded(){}
@Override
public void onSignInFailed() {}
};
//gameHelper.setMaxAutoSignInAttempts(0);
gameHelper.setup(gameHelperListener);
AndroidApplicationConfiguration config = new AndroidApplicationConfiguration();
initialize(new MyGame(this), config);
}
@Override
protected void onStart() {
super.onStart();
gameHelper.onStart(this);
}
@Override
protected void onStop() {
super.onStop();
gameHelper.onStop();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
gameHelper.onActivityResult(requestCode, resultCode, data);
}
@Override
public void signIn() {
try {
runOnUiThread(new Runnable() {
@Override
public void run() {
gameHelper.beginUserInitiatedSignIn();
}
});
}
catch (Exception e) {
Gdx.app.log("MainActivity", "Log in failed: " + e.getMessage() + ".");
}
}
@Override
public void signOut() {
try {
runOnUiThread(new Runnable() {
@Override
public void run() {
//gameHelper.signOut();
}
});
}
catch (Exception e) {
Gdx.app.log("MainActivity", "Log out failed: " + e.getMessage() + ".");
}
}
@Override
public void submitScore(long score) {
if (isSignedIn()) Games.Leaderboards.submitScore(gameHelper.getApiClient(), getString(R.string.leaderboard_id), score);
}
@Override
public void showScores() {
if(isSignedIn())
startActivityForResult(Games.Leaderboards.getLeaderboardIntent(gameHelper.getApiClient(), getString(R.string.leaderboard_id)), REQUEST_CODE_UNUSED);
else
signIn();
}
@Override
public boolean isSignedIn() {
return gameHelper.isSignedIn();
}
@Override
public void start() {
gameHelper.onStart(this);
}
IGoogleServices是core
模块中的一个接口,用于与android
模块接口。