57.动态添加子View（Java/XML两种方式）
/**
* 动态添加子View(Java)
*/
private View createViewWithJava() {
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
LinearLayout view = new LinearLayout(this);
view.setLayoutParams(lp);//设置布局参数
view.setOrientation(LinearLayout.HORIZONTAL);// 设置子View的Linearlayout// 为垂直方向布局
//定义子View中两个元素的布局
ViewGroup.LayoutParams vlp = new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
ViewGroup.LayoutParams vlp2 = new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
TextView tv1 = new TextView(this);
TextView tv2 = new TextView(this);
tv1.setLayoutParams(vlp);//设置TextView的布局
tv2.setLayoutParams(vlp2);
tv1.setText("姓名:");
tv2.setText("小明");
tv2.setPadding(calculateDpToPx(50), 0, 0, 0);//设置边距
view.addView(tv1);//将TextView 添加到子View 中
view.addView(tv2);//将TextView 添加到子View 中
return view;
}
/**
* 动态添加子View(Xml)
*/
private View createViewWithXml() {
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
View view = LayoutInflater.from(this).inflate(R.layout.a1_post_params, null);//也可以从XML中加载布局
view.setLayoutParams(lp);//设置布局参数
EditText key = (EditText) view.findViewById(R.id.key);
EditText value = (EditText) view.findViewById(R.id.value);
//添加进键值集合
keys.add(key);
values.add(value);
return view;
}
