[BUG]/User/xxxx/.pub-cache/hosted/pub.flutter-io.cn/fijkplayer-0.11.0/android/src/main/java/com/befovy/fijkplayer/FijkPlugin.java:57: 警告: [deprecation] PluginRegistry中的Registrar已过时 import io.flutter.plugin.common.PluginRegistry.Registrar;

[jeckni]

/Users/nizhangfu/.pub-cache/hosted/pub.flutter-io.cn/fijkplayer-0.11.0/android/src/main/java/com/befovy/fijkplayer/FijkPlugin.java:57: 警告: [deprecation] PluginRegistry中的Registrar已过时
import io.flutter.plugin.common.PluginRegistry.Registrar;
^
/Users/xxxx/.pub-cache/hosted/pub.flutter-io.cn/fijkplayer-0.11.0/android/src/main/java/com/befovy/fijkplayer/FijkPlugin.java:84: 警告: [deprecation] PluginRegistry中的Registrar已过时
private Registrar mRegistrar;
^
/Users/xxxx/.pub-cache/hosted/pub.flutter-io.cn/fijkplayer-0.11.0/android/src/main/java/com/befovy/fijkplayer/FijkPlugin.java:104: 警告: [deprecation] PluginRegistry中的Registrar已过时
public static void registerWith(Registrar registrar) {
^
/Users/xxxx/.pub-cache/hosted/pub.flutter-io.cn/fijkplayer-0.11.0/android/src/main/java/com/befovy/fijkplayer/FijkPlugin.java:229: 警告: [deprecation] PluginRegistry中的Registrar已过时
private void initWithRegistrar(@nonnull Registrar registrar) {
^
/Users/xxxx/.pub-cache/hosted/pub.flutter-io.cn/fijkplayer-0.11.0/android/src/main/java/com/befovy/fijkplayer/FijkPlugin.java:570: 警告: [deprecation] AudioManager中的abandonAudioFocus(OnAudioFocusChangeListener)已过时
audioManager.abandonAudioFocus(this);
^
5 个警告

提示有5个警告，我该如何才能避免运行爆出这五个警告呀。