EventBus_粘性事件简单使用

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MainActivitypackage com.example.aaaa;import android.content.Intent;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.Button;import org.greenrobot.eventbus.EventBus;public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        Button bt = findViewById(R.id.bt);        //点击事件        bt.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                //跳转                startActivity(new Intent(MainActivity.this, Tiao.class));                //发送消息                EventBus.getDefault().postSticky(new Bean("张一帆", 200));            }        });    }}
Bean
package com.example.aaaa;/** * Created by Administrator on 2017/11/29. */public class Bean {    public String name;    public int pass;    public Bean(String name, int pass) {        this.name = name;        this.pass = pass;    }    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public int getPass() {        return pass;    }    public void setPass(int pass) {        this.pass = pass;    }    @Override    public String toString() {        return "Bean{" +                "name='" + name + '\'' +                ", pass=" + pass +                '}';    }}
Tiao跳转页面
package com.example.aaaa;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v7.app.AppCompatActivity;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;import org.greenrobot.eventbus.EventBus;import org.greenrobot.eventbus.Subscribe;import org.greenrobot.eventbus.ThreadMode;/** * Created by Administrator on 2017/11/29. */public class Tiao extends AppCompatActivity {    private TextView tv;    @Override    protected void onCreate(@Nullable Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.tiao);        Button bt = findViewById(R.id.tb);        tv = findViewById(R.id.tv);        //注册        EventBus.getDefault().register(this);    }    //接受传值    @Subscribe(sticky =  true,threadMode = ThreadMode.MAIN)    public void getbean(Bean bean) {        Toast.makeText(this, "" + bean.name + "" + bean.pass, Toast.LENGTH_SHORT).show();        tv.setText(bean.getName());    }    //反注册    @Override    protected void onDestroy() {        super.onDestroy();        EventBus.getDefault().unregister(this);    }}
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