android SystemUI 自定义广播接受器

自定义广播需动态注册 系统广播可静态注册
BroadcastDispatcher 来源
import com.android.systemui.broadcast.BroadcastDispatcher;

    private  class DismissReceiver extends BroadcastReceiver {
        private final IntentFilter INTENT_FILTER = new IntentFilter();
        {
            INTENT_FILTER.addAction("com.android.sustemui.SHOW_STATUS");
        }

        private boolean mRegistered;
        private final BroadcastDispatcher mBroadcastDispatcher;

        DismissReceiver() {
            mBroadcastDispatcher = Dependency.get(BroadcastDispatcher.class);
        }

        void register() {
            mBroadcastDispatcher.registerReceiver(this, INTENT_FILTER, null, UserHandle.CURRENT);
            mRegistered = true;
        }

        void unregister() {
            if (mRegistered) {
                mBroadcastDispatcher.unregisterReceiver(this);
                mRegistered = false;
            }
        }

        @Override
        public void onReceive(Context context, Intent intent) {
            
        }
    }
Intent intent = new Intent();
intent.setAction("com.android.sustemui.SHOW_STATUS");
getContext().sendBroadcast(intent);