每日总结 4.15

今天进行了每日总销售额的计算显示。

package com.example.jjt;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.os.Handler;
import android.widget.TextView;

public class ZDActivity extends AppCompatActivity {
    private Handler handler=new Handler();
    TextView name,zd;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_zdactivity);

        name=findViewById(R.id.tv_name);
        zd=findViewById(R.id.tv_zd);
        xianshi();
    }
    private void xianshi() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                String s1=name.getText().toString();
                int ss=Dbhelper.zd(s1);
                String sss=String.valueOf(ss);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        zd.setText(sss);
                    }
                });
            }
        }).start();
    }
}