android - 如何检查 firebase 服务是否可用？

Question

如果应用程序在防火墙后面运行或者出现网络中断或某种审查制度，我们如何使用代码检查应用程序是否可以访问 firebase 系统？

Answer 1

您应该像这样检查 Google Play 服务是否可用:

/**
* Check the device to make sure it has the Google Play Services APK. If it
* doesn't, display a dialog that allows users to download the APK from the
* Google Play Store or enable it in the device's system settings.
*/
public static boolean checkPlayServices(Context context) {
    int resultCode = GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable
            (context);
    if (resultCode != ConnectionResult.SUCCESS) {
        Log.i(TAG, "This device does not support Google Play Services. " +
                "Push notifications are not supported");
        return false;
    }
    return true;
}

您还需要将以下行添加到您的 build.gradle。

编译 'com.google.android.gms:play-services-gcm:11.8.0'