我在使用Google的实时多人游戏的应用程序时遇到问题。当您启动应用程序时，它只会崩溃。我在底部添加了崩溃日志...
当我拨打mGoogleApiClient.connect();
这是我的代码：
//(Your package here:)
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.view.WindowManager;
import android.widget.TextView;
import android.widget.Toast;
import com.birdprograms.multiplayer.BaseGameUtils.src.main.java.com.google.example.games.basegameutils.BaseGameUtils;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.games.Games;
import com.google.android.gms.games.GamesStatusCodes;
import com.google.android.gms.games.multiplayer.Invitation;
import com.google.android.gms.games.multiplayer.OnInvitationReceivedListener;
import com.google.android.gms.games.multiplayer.Participant;
import com.google.android.gms.games.multiplayer.realtime.RealTimeMessage;
import com.google.android.gms.games.multiplayer.realtime.RealTimeMessageReceivedListener;
import com.google.android.gms.games.multiplayer.realtime.Room;
import com.google.android.gms.games.multiplayer.realtime.RoomConfig;
import com.google.android.gms.games.multiplayer.realtime.RoomStatusUpdateListener;
import com.google.android.gms.games.multiplayer.realtime.RoomUpdateListener;
import com.google.android.gms.plus.Plus;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class MyActivity extends Activity implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener, View.OnClickListener, RealTimeMessageReceivedListener, RoomUpdateListener, RoomStatusUpdateListener, OnInvitationReceivedListener{
private static final int RC_SIGN_IN = 9001;
private GoogleApiClient mGoogleApiClient;
private boolean mResolvingConnectionFailure = false;
private boolean mSignInClicked = false;
private boolean mAutoStartSignInFlow = true;
String mRoomId = null;
ArrayList<Participant> mParrticipants = null;
String mMyId = null;
byte[] mMsgBuf = new byte[2];
private TextView textView;
private TextView myscoretxt;
private TextView urscoretxt;
final static int[] CLICKALBES = {
R.id.button,R.id.button2,R.id.button3
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_my);
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(Plus.API).addScope(Plus.SCOPE_PLUS_LOGIN)
.addApi(Games.API).addScope(Games.SCOPE_GAMES)
.build();
for (int id : CLICKALBES){
findViewById(id).setOnClickListener(this);
}
}
private void startQuickGame(){
final int MIN_OPPONENTS = 1, MAX_OPPONENTS = 1;
Bundle autoMatchCriteria = RoomConfig.createAutoMatchCriteria(MIN_OPPONENTS,
MAX_OPPONENTS,0);
RoomConfig.Builder rtmConfigBuilder = RoomConfig.builder(this);
rtmConfigBuilder.setMessageReceivedListener(this);
rtmConfigBuilder.setRoomStatusUpdateListener(this);
rtmConfigBuilder.setAutoMatchCriteria(autoMatchCriteria);
changedisplay(1);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
resetGameVars();
Games.RealTimeMultiplayer.create(mGoogleApiClient,rtmConfigBuilder.build());
}
@Override
public void onActivityResult(int requestCode, int responseCode,Intent intent){
super.onActivityResult(requestCode,responseCode,intent);
switch(requestCode){
case RC_SIGN_IN:
mSignInClicked = false;
mResolvingConnectionFailure = false;
if(responseCode == RESULT_OK){
mGoogleApiClient.connect();
} else {
BaseGameUtils.showActivityResultError(this, requestCode, requestCode, R.string.signin_other_error);
}
break;
};
super.onActivityResult(requestCode,responseCode,intent);
}
@Override
public void onStop(){
leaveRoom();
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
if (mGoogleApiClient == null || !mGoogleApiClient.isConnected()){
changedisplay(0);
}
super.onStop();
}
@Override
public void onStart(){
changedisplay(0);
if (mGoogleApiClient != null && mGoogleApiClient.isConnected()){
} else {
mGoogleApiClient.connect();
}
super.onStart();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent e){
if (keyCode == KeyEvent.KEYCODE_BACK && findViewById(R.id.button).getVisibility() == View.VISIBLE){
leaveRoom();
return true;
}
return super.onKeyDown(keyCode, e);
}
void leaveRoom(){
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
resetGameVars();
if(mRoomId != null){
Games.RealTimeMultiplayer.leave(mGoogleApiClient, this, mRoomId);
mRoomId = null;
findViewById(R.id.button).setVisibility(View.VISIBLE);
changedisplay(0);
textView = (TextView)findViewById(R.id.textView3);
myscoretxt = (TextView)findViewById(R.id.textView);
urscoretxt = (TextView)findViewById(R.id.textView2);
}
}
@Override
public void onClick(View view) {
switch (view.getId()){
case R.id.button:
mSignInClicked = true;
mGoogleApiClient.connect();
break;
case R.id.button2:
startQuickGame();
startGame(true);
break;
case R.id.button3:
scoreOnePoint();
}
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
if (mResolvingConnectionFailure){
return;
}
if (mSignInClicked || mAutoStartSignInFlow){
mAutoStartSignInFlow = false;
mSignInClicked = false;
mResolvingConnectionFailure = BaseGameUtils.resolveConnectionFailure(this,mGoogleApiClient,connectionResult,RC_SIGN_IN,getString(R.string.signin_other_error));
}
changedisplay(1);
}
void updateRoom(Room room){
if(room != null){
mParrticipants = room.getParticipants();
}
if (mParrticipants != null){
updatePeerScoresDisplay();
}
}
@Override
public void onConnectedToRoom(Room room) {
mRoomId = room.getRoomId();
mParrticipants = room.getParticipants();
mMyId = room.getParticipantId(Games.Players.getCurrentPlayerId(mGoogleApiClient));
}
@Override
public void onDisconnectedFromRoom(Room room) {
mRoomId = null;
showGameError();
}
void showGameError(){
BaseGameUtils.makeSimpleDialog(this,getString(R.string.game_problem));
changedisplay(0);
}
@Override
public void onJoinedRoom(int i, Room room) {
if(i != GamesStatusCodes.STATUS_OK){
showGameError();
return;
}
}
@Override
public void onRoomConnected(int i, Room room) {
if(i != GamesStatusCodes.STATUS_OK){
showGameError();
return;
}
updateRoom(room);
}
int mSecondsLeft = -1;
final static int GAME_DDURATION = 20;
int mScore = 0;
void resetGameVars(){
mSecondsLeft = GAME_DDURATION;
mScore = 0;
mParticipantScore.clear();
mFinishedParticipants.clear();
}
void startGame(boolean multiplayer){
updateScoreDisplay();
broadcastScore(false);
changedisplay(1);
final Handler h = new Handler();
h.postDelayed(new Runnable() {
@Override
public void run() {
if (mSecondsLeft <= 0)
return;
gameTick();
h.postDelayed(this, 1000);
}
}, 1000);
}
void gameTick(){
if(mSecondsLeft > 0)
--mSecondsLeft;
textView.setText("Time Left: "+mSecondsLeft+" seconds");
if (mSecondsLeft <= 0){
changedisplay(0);
broadcastScore(true);
}
}
void scoreOnePoint(){
if(mSecondsLeft <= 0)
return;
++mScore;
updateScoreDisplay();
updatePeerScoresDisplay();
broadcastScore(false);
}
Map<String, Integer> mParticipantScore = new HashMap<String, Integer>();
Set<String> mFinishedParticipants = new HashSet<String>();
@Override
public void onRealTimeMessageReceived(RealTimeMessage realTimeMessage) {
byte[] buf = realTimeMessage.getMessageData();
String sender = realTimeMessage.getSenderParticipantId();
if(buf[0] == 'F' || buf[0] == 'U'){
int existingScore = mParticipantScore.containsKey(sender) ?
mParticipantScore.get(sender) : 0;
int thisScore = (int) buf[1];
if(thisScore > existingScore){
mParticipantScore.put(sender, thisScore);
}
updatePeerScoresDisplay();
if((char) buf[0] == 'F'){
mFinishedParticipants.add(realTimeMessage.getSenderParticipantId());
}
}
}
void broadcastScore(boolean finalScore){
mMsgBuf[0] = (byte) (finalScore ? 'F' : 'U');
mMsgBuf[1] = (byte) mScore;
for(Participant p : mParrticipants){
if(p.getParticipantId().equals(mMyId))
continue;
if (p.getStatus() != Participant.STATUS_JOINED)
continue;
if (finalScore){
Games.RealTimeMultiplayer.sendReliableMessage(mGoogleApiClient, null, mMsgBuf, mRoomId, p.getParticipantId());
} else {
Games.RealTimeMultiplayer.sendUnreliableMessage(mGoogleApiClient, mMsgBuf, mRoomId, p.getParticipantId());
}
}
}
void updateScoreDisplay(){
myscoretxt.setText("Your Score: "+fomatScore(mScore));
}
String fomatScore(int i){
if(i<0)
i=0;
String s = String.valueOf(i);
return s.length() == 1 ? "00" + s : s.length() == 2 ? "0" + s : s;
}
void updatePeerScoresDisplay(){
if(mRoomId != null){
for (Participant p : mParrticipants){
String pid = p.getParticipantId();
if(pid.equals(mMyId))
continue;
if (p.getStatus() != Participant.STATUS_JOINED)
continue;
int score = mParticipantScore.containsKey(pid) ? mParticipantScore.get(pid) : 0;
urscoretxt.setText("Opponents Score: "+fomatScore(score));
}
}
}
void changedisplay(int i){
if(i == 0){
findViewById(R.id.button).setVisibility(View.VISIBLE);
findViewById(R.id.button2).setVisibility(View.VISIBLE);
findViewById(R.id.button3).setVisibility(View.GONE);
findViewById(R.id.textView).setVisibility(View.GONE);
findViewById(R.id.textView2).setVisibility(View.GONE);
findViewById(R.id.textView3).setVisibility(View.GONE);
}
else{
findViewById(R.id.button).setVisibility(View.GONE);
findViewById(R.id.button2).setVisibility(View.GONE);
findViewById(R.id.button3).setVisibility(View.VISIBLE);
findViewById(R.id.textView).setVisibility(View.VISIBLE);
findViewById(R.id.textView2).setVisibility(View.VISIBLE);
findViewById(R.id.textView3).setVisibility(View.VISIBLE);
}
}
}
为了读者，我已经删除了几个回调，但这并没有引起问题！ 如果您阅读了整篇文章，那么感谢您的耐心等待。 ：）
任何帮助或建议都会有所帮助。谢谢！
-Nathan
修改
以下是崩溃日志：
04-22 09:28:00.320 19247-19247/com.birdprograms.multiplayerdemo E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.birdprograms.multiplayerdemo, PID: 19247
java.lang.IllegalStateException: A fatal developer error has occurred. Check the logs for further information.
at com.google.android.gms.internal.jl$h.b(Unknown Source)
at com.google.android.gms.internal.jl$h.g(Unknown Source)
at com.google.android.gms.internal.jl$b.hy(Unknown Source)
at com.google.android.gms.internal.jl$a.handleMessage(Unknown Source)
at android.os.Handler.dispatchMessage(Handler.java:110)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:5323)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:825)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:641)
at dalvik.system.NativeStart.main(Native Method)
答案 0 :(得分：0)
您的清单缺失
<meta-data
android:name="com.google.android.gms.games.APP_ID"
android:value="@string/app_id" />
// this is required if your RequestedClients is using AppStateManager.SCOPE_APP_STATE
<meta-data
android:name="com.google.android.gms.games.appstate.APP_ID"
android:value="@string/app_id" />