package com.doumee.lib_coremodel.base.livedata;
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import androidx.annotation.IntDef;
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import androidx.annotation.Nullable;
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import androidx.lifecycle.LifecycleOwner;
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import androidx.lifecycle.Observer;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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/**
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* 提供观察状态事件
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* @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
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*/
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public class StatusEvent extends SingleLiveEvent<Integer> {
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public void observe(LifecycleOwner owner, final StatusObserver observer) {
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super.observe(owner, new Observer<Integer>() {
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@Override
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public void onChanged(@Nullable Integer t) {
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if (t != null) {
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observer.onStatusChanged(t);
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}
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}
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});
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}
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public interface StatusObserver{
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void onStatusChanged(@Status int status);
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}
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/**
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* 状态
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*/
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@IntDef({Status.LOADING, Status.SUCCESS, Status.FAILURE, Status.ERROR})
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@Retention(RetentionPolicy.SOURCE)
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public @interface Status {
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int LOADING = 0;
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int SUCCESS = 1;
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int FAILURE = 2;
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int ERROR = 3;
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}
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}
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