Question

如果他们想要使用Google Plus登录他们的应用程序，这似乎是大多数人需要的简单事情：s。

在活动1中：

我在用户签名。

登录后，我希望全局访问该用户对象，因此我将其添加到Application对象中：

public class GlobalUserAccess extends Application {

    private GoogleApiClient mGoogleApiClient;

    public GlobalUserAccess(){
        mGoogleApiClient = null;
    }

    public void setClient(GoogleApiClient client){
        mGoogleApiClient = client;
    }

    public GoogleApiClient getClient(){
        return mGoogleApiClient;
    }
}

通过这样绑定它：

GlobalUserAccess client = ((GlobalUserAccess) getApplicationContext());
client.setClient(mGoogleApiClient);

但是，当我尝试在活动2中访问它时：

GlobalUserAccess client = ((GlobalUserAccess) getApplicationContext());
String currentUser = Plus.AccountApi.getAccountName(client.getClient());

我收到错误：

E/GMPM: getGoogleAppId failed with status: 10

有人可以用正确的方式填写我吗？我希望所有课程都能使用该用户对象，而且我花了太多时间在这上面：|。

我在某个地方搞砸了吗？啊...

编辑：活动1中的客户端创建代码

mGoogleApiClient = new GoogleApiClient.Builder(this)
        .addConnectionCallbacks(this)
        .addOnConnectionFailedListener(this)
        .addApi(Plus.API)
        .addScope(new Scope(Scopes.PROFILE))
        .addScope(new Scope(Scopes.EMAIL))
        .build();

我直接从他们的Git存储库使用Googles代码。它成功登录并获取活动1中的帐户信息。

Answer 1

在清单文件中添加Google Play位置服务依赖关系和位置权限

<强>的AndroidManifest.xml

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

应用/的build.gradle

compile 'com.google.android.gms:play-services-location:11.0.0'

<强> GoogleApiHelper.java

public class GoogleApiHelper implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener { private static final String TAG = GoogleApiHelper.class.getSimpleName(); private Context context; private GoogleApiClient mGoogleApiClient; private ConnectionListener connectionListener; private Bundle connectionBundle; public GoogleApiHelper(Context context) { this.context = context; buildGoogleApiClient(); connect(); } public GoogleApiClient getGoogleApiClient() { return this.mGoogleApiClient; } public void setConnectionListener(ConnectionListener connectionListener) { this.connectionListener = connectionListener; if (this.connectionListener != null && isConnected()) { connectionListener.onConnected(connectionBundle); } } public void connect() { if (mGoogleApiClient != null) { mGoogleApiClient.connect(); } } public void disconnect() { if (mGoogleApiClient != null && mGoogleApiClient.isConnected()) { mGoogleApiClient.disconnect(); } } public boolean isConnected() { return mGoogleApiClient != null && mGoogleApiClient.isConnected(); } private void buildGoogleApiClient() { mGoogleApiClient = new GoogleApiClient.Builder(context) .addConnectionCallbacks(this) .addOnConnectionFailedListener(this) .addApi(LocationServices.API).build(); } @Override public void onConnected(Bundle bundle) { connectionBundle = bundle; if (connectionListener != null) { connectionListener.onConnected(bundle); } } @Override public void onConnectionSuspended(int i) { Log.d(TAG, "onConnectionSuspended: googleApiClient.connect()"); mGoogleApiClient.connect(); if (connectionListener != null) { connectionListener.onConnectionSuspended(i); } } @Override public void onConnectionFailed(ConnectionResult connectionResult) { Log.d(TAG, "onConnectionFailed: connectionResult = " + connectionResult); if (connectionListener != null) { connectionListener.onConnectionFailed(connectionResult); } } public interface ConnectionListener { void onConnectionFailed(@NonNull ConnectionResult connectionResult); void onConnectionSuspended(int i); void onConnected(Bundle bundle); } }

<强> App.java

public class App extends Application { private GoogleApiHelper googleApiHelper; private static App mInstance; @Override public void onCreate() { super.onCreate(); mInstance = this; googleApiHelper = new GoogleApiHelper(mInstance); } public static synchronized App getInstance() { return mInstance; } public GoogleApiHelper getGoogleApiHelperInstance() { return this.googleApiHelper; } public static GoogleApiHelper getGoogleApiHelper() { return getInstance().getGoogleApiHelperInstance(); } }

注意：不要忘记将此子类的完全限定名称指定为＆＃34; android：name＆＃34; AndroidManifest.xml标记中的属性。

您可以通过回调获取apiClient，并在连接时获取

App.getGoogleApiHelper().setConnectionListener(new GoogleApiHelper.ConnectionListener() { @Override public void onConnectionFailed(@NonNull ConnectionResult connectionResult) { } @Override public void onConnectionSuspended(int i) { } @Override public void onConnected(Bundle bundle, GoogleApiClient googleApiClient) { //this function will call whenever google api connected or already connected when setting listener //You are connected do what ever you want //Like i get last known location Location location = LocationServices.FusedLocationApi.getLastLocation(googleApiClient); } });

或者你也可以像这样得到它

if(App.getGoogleApiHelper().isConnected()) { //Get google api client from anywhere GoogleApiClient client = App.getGoogleApiHelper().getGoogleApiClient(); }

Answer 2

为了从每个地方访问对象，你可以像我在这里做的那样 App.java。不要忘记在清单中添加应用程序

<application
        android:name=".App"

现在访问对象只需从任何地方

进行访问

App.getGoogleApiHelper();

另请在此处查看我的GoogleApiHelper课程GoogleApiHelper.java

对于GooglePlus Api，请查看此GooglePlusAPI。请按照以下步骤操作。

根据您的代码的应用代码

public class App extends Application {
    private GoogleApiClient mGoogleApiClient;

    private static App mInstance;

    @Override
    public void onCreate() {
        super.onCreate();
        mInstance = this;
    }

    public void setClient(GoogleApiClient client){
        mGoogleApiClient = client;
    }

    public GoogleApiClient getClient(){
       return mGoogleApiClient;
    }
}

现在初始化并访问

App.getInstance().setClient(client);
GoogleApiClient client = App.getInstance().getClient();

Answer 3

在您的活动1中，当您尝试获取Application对象时，您应该执行以下操作：

GlobalUserAccess client = ((GlobalUserAccess) getApplication());

然后使用GoogleApiClient方法设置setClient对象。在您的activity2中使用相同的方式来获取Application对象。

在所有活动中访问GoogleApiClient对象

3 个答案: