Android开发相关：(01)完全利用代码去构建用户界面

java] package com.Androidbook.controls;

import Android.app.Activity;
import Android.os.Bundle;
import Android.view.ViewGroup.LayoutParams;
import Android.widget.LinearLayout;
import Android.widget.TextView;

public class MainActivity extends Activity {
    private LinearLayout nameContainer;
    private LinearLayout addressContainer;
    private LinearLayout parentContainer;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        createNameContainer();
        createAddressContainer();
        createParentContainer();

        setContentView(parentContainer);
    }

    private void createNameContainer() {
        nameContainer = new LinearLayout(this);
        nameContainer.setLayoutParams(new LayoutParams(
                LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
        nameContainer.setOrientation(LinearLayout.HORIZONTAL);

        TextView nameLbl = new TextView(this);
        nameLbl.setText("Name: ");

        TextView nameValue = new TextView(this);
        nameValue.setText("Hohn Doe");

        nameContainer.addView(nameLbl);
        nameContainer.addView(nameValue);
    }

    private void createAddressContainer() {
        addressContainer = new LinearLayout(this);
        addressContainer.setLayoutParams(new LayoutParams(
                LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
        addressContainer.setOrientation(LinearLayout.VERTICAL);

        TextView addrLbl = new TextView(this);
        addrLbl.setText("Address: ");

        TextView addrValue = new TextView(this);
        addrValue.setText("911 Hollywood Blvd");

        addressContainer.addView(addrLbl);
        addressContainer.addView(addrValue);
    }

    private void createParentContainer() {
        parentContainer = new LinearLayout(this);
        parentContainer.setLayoutParams(new LayoutParams(
                LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
        parentContainer.setOrientation(LinearLayout.HORIZONTAL);

        parentContainer.addView(nameContainer);
        parentContainer.addView(addressContainer);
    }
}