java.lang.IllegalArgumentException: Service Intent must be explicit: Intent

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在Activity中启动Service的时候报错： 服务意图必须是显性声明。 这是为了防止造成冲突（i.e. 有多个Service用同样的intent-filter的情况)

这是Android 5.0 (Lollipop) 之后的规定。 不能用包名的方式定义Service Intent, 而要用显性声明:

new Intent(context, xxxService.class);

如果一定要用隐性声明，可以用下面的方法(Stackoverflow上的回答)

public static Intent createExplicitFromImplicitIntent(Context context, Intent implicitIntent) {
        // Retrieve all services that can match the given intent
        PackageManager pm = context.getPackageManager();
        List<ResolveInfo> resolveInfo = pm.queryIntentServices(implicitIntent, 0);

        // Make sure only one match was found
        if (resolveInfo == null || resolveInfo.size() != 1) {
            return null;
        }

        // Get component info and create ComponentName
        ResolveInfo serviceInfo = resolveInfo.get(0);
        String packageName = serviceInfo.serviceInfo.packageName;
        String className = serviceInfo.serviceInfo.name;
        ComponentName component = new ComponentName(packageName, className);

        // Create a new intent. Use the old one for extras and such reuse
        Intent explicitIntent = new Intent(implicitIntent);

        // Set the component to be explicit
        explicitIntent.setComponent(component);

        return explicitIntent;
    }

java.lang.IllegalArgumentException: Service Intent must be explicit: Intent

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原文地址：http://www.cnblogs.com/yidan621/p/5667299.html