import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.TextView;

public class MainActivity  extends Activity implements MainImplement,

        View.OnClickListener {

    private Button btn;

    private TextView tv_view;

    private MainModel mModel;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        mModel = new MainModel();

        btn = (Button) this.findViewById(R.id.btn);

        tv_view = (TextView) this.findViewById(R.id.tv_view);

        btn.setOnClickListener(this);

    }

    @Override

    public void loadData() {

        mModel.loadData(tv_view);

    }

    @Override

    public void onClick(View v) {

        switch (v.getId()) {

            case R.id.btn:

                loadData();

                break;

            default:

                break;

        }

    }

}

public interface  MainImplement {

    public void loadData();

}

import android.widget.TextView;

public class MainModel {

    public void loadData(TextView tv_view) {

        tv_view.setText("MVC模式在Android中的应用，获取到的Model中处理的数据");

    }

}