android 线型布局管理器（入门级）

【实例截图】

【核心代码】

package com.example.radio;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;


public class MainActivity extends Activity {

	private RadioGroup radioContainer;
	private LinearLayout checkContainer;
	TextView tv1;
	TextView tv2;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        radioContainer=(RadioGroup)(findViewById(R.id.radioContainer));
		checkContainer=(LinearLayout)(findViewById(R.id.checkContainer));
		tv1=(TextView)findViewById(R.id.txtView);
		tv2=(TextView)findViewById(R.id.birthView);
    }
    public void buttonClick(View view)
	{
		Log.i("Button","Button Clicked");
	}
    public void btnDisplaySelected(View view)
	{
		String radioText="";
		for(int i=0;i<radioContainer.getChildCount();i  )
		{
			View c=radioContainer.getChildAt(i);
			if(c instanceof RadioButton)
			{
				RadioButton radio=(RadioButton)c;
				if(radio.isChecked())
				{
					radioText=radio.getText().toString();
				}
			}
		}
		tv1.setText(radioText);
		Log.i("Radio","Radio Selected is" radioText);
		String checkText="";
		for(int i=0;i<checkContainer.getChildCount();i  )
		{
			View c=checkContainer.getChildAt(i);
			if(c instanceof CheckBox)
			{
				CheckBox check=(CheckBox)c;
				if(check.isChecked())
				{
					checkText =check.getText().toString() ";";
				}
			}
		}
		tv2.setText(checkText);
		Log.i("Check","Check Selected is" checkText);
	}



    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}