extends:http://www.eoeandroid.com/thread-568853-1-1.html

本帖最后由 469874851 于 2015-3-11 18:15 编辑

有些时候我们使用Service的时需要采用隐私启动的方式,但是Android 5.0一出来后,其中有个特性就是Service Intentmust be explitict,也就是说从Lollipop开始,service服务必须采用显示方式启动。
而android源码是这样写的(源码位置:sdk/sources/android-21/android/app/ContextImpl.java):
private void validateServiceIntent(Intent service) {        if (service.getComponent() == null && service.getPackage() == null) {            if (getApplicationInfo().targetSdkVersion >= Build.VERSION_CODES.LOLLIPOP) {                IllegalArgumentException ex = new IllegalArgumentException(                        "Service Intent must be explicit: " + service);                throw ex;            } else {                Log.w(TAG, "Implicit intents with startService are not safe: " + service                        + " " + Debug.getCallers(2, 3));            }        }    }


既然,源码里是这样写的,那么这里有两种解决方法:

1、设置Action和packageName:

参考代码如下:
Intent mIntent = new Intent();mIntent.setAction("XXX.XXX.XXX");//你定义的service的actionmIntent.setPackage(getPackageName());//这里你需要设置你应用的包名context.startService(mIntent);



此方式是google官方推荐使用的解决方法。


在此附上地址供大家参考:http://developer.android.com/goo ... tml#billing-service,有兴趣的可以去看看。

2、将隐式启动转换为显示启动--参考地址:http://stackoverflow.com/a/26318757/1446466
public static Intent getExplicitIntent(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;    } 


调用方式如下:
Intent mIntent = new Intent();mIntent.setAction("XXX.XXX.XXX");Intent eintent = new Intent(getExplicitIntent(mContext,mIntent));context.startService(eintent);


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