package com.cheng.bestpractice.observer.activity; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Button; import com.cheng.designpatternstudy.R; import com.cheng.bestpractice.observer.util.EventType; import com.cheng.bestpractice.observer.util.Notify; public class BPObserverOtherActivity extends AppCompatActivity { private Button mUpdateBtn; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_bpobserver_other); mUpdateBtn = (Button) findViewById(R.id.btn_update); mUpdateBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Notify.getInstance().NotifyActivity(EventType.UPDATE_Text); Notify.getInstance().NotifyActivity(EventType.UPDATE_MAIN); } }); } }