安卓学习初级。。。

public class Main extends Activity implements OnClickListener{
    private Button btn;
    private Button btn1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.main);
        btn=(Button)findViewById(R.id.onebtn);
        btn1=(Button)findViewById(R.id.twobtn);
        btn.setOnClickListener(this);
        btn1.setOnClickListener(this);

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // TODO Auto-generated method stub
        getMenuInflater().inflate(R.menu.main, menu);
        return true;

    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()) {
        case R.id.add_item:
            //第一个参数表示显示菜单的位置，第2个显示的内容，显示的时间
            Toast.makeText(this, "add onclick", Toast.LENGTH_SHORT).show();
            break;
        case R.id.remove_item:
            Toast.makeText(this, "remove onclick", Toast.LENGTH_SHORT).show();
            break;

        }

        return true;
    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        switch (v.getId()) {
        case R.id.onebtn:
            Intent intent=new Intent(Intent.ACTION_VIEW);
            //放入网址URL解析成URI对象
            intent.setData(Uri.parse("http://www.baidu.com"));
            startActivity(intent);
            break;
        case R.id.twobtn:
            Intent intent1=new Intent(Intent.ACTION_DIAL);
            //放入网址URL解析成URI对象
            intent1.setData(Uri.parse("tel:10086"));
            startActivity(intent1);
            break;
        default:
            break;
        }
    }
}