import com.google.android.agera.BaseObservable;/*** Created by longsiyang on 2016/4/20.*/
public class BaseBean extends BaseObservable  {private String content = "";public String getContent() {return content;}public void setContent(String content) {this.content = content;update();}public void update(){new Thread(new Runnable() {@Overridepublic void run() {content += " after other thread";dispatchUpdate();}}).start();}
}

    void dispatchUpdate() {handler.obtainMessage(MSG_UPDATE, this).sendToTarget();}

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.Editable;
import android.text.TextWatcher;
import android.widget.EditText;
import android.widget.TextView;import com.google.android.agera.Updatable;public class MainActivity extends AppCompatActivity implements Updatable {BaseBean baseBean;EditText editText;TextView textView1 , textView2 , textView3;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);textView1 = (TextView) findViewById(R.id.test_tv_id1);textView2 = (TextView) findViewById(R.id.test_tv_id2);textView3 = (TextView) findViewById(R.id.test_tv_id3);baseBean = new BaseBean();editText = (EditText) findViewById(R.id.test_eidt_id);editText.addTextChangedListener(new TextWatcher() {@Overridepublic void beforeTextChanged(CharSequence s, int start, int count, int after) {}@Overridepublic void onTextChanged(CharSequence s, int start, int before, int count) {if (baseBean != null){baseBean.setContent(s.toString());}}@Overridepublic void afterTextChanged(Editable s) {}});}@Overrideprotected void onResume() {super.onResume();baseBean.addUpdatable(this);}@Overrideprotected void onPause() {super.onPause();baseBean.removeUpdatable(this);}@Overridepublic void update() {textView1.setText(baseBean.getContent());textView2.setText(baseBean.getContent());textView3.setText(baseBean.getContent());}
}