标签:android com http blog style class div img code java log
一、文本编辑框字符数限制问题
方法一:
在 xml 文件中设置文本编辑框属性作字符数限制
如:android:maxLength="10" 即限制最大输入字符个数为10
方法二:
在代码中使用InputFilter 进行过滤
//editText.setFilters(new InputFilter[]{new InputFilter.LengthFilter(20)}); 即限定最大输入字符数为20
二、margin与padding
Android的Margin和Padding跟Html的是一样的。如下图所示:黄色部分为Padding,灰色部分为Margin。
通俗的理解 Padding 为内边框,Margin 为外边框
三、Android给listview设置分割线
android:dividerHeight=""
android:divider=""
四、listview包含不同布局item
ListView包含不同Item的布局
1)重写 getViewTypeCount() – 该方法返回多少个不同的布局
2)重写 getItemViewType(int) – 根据position返回相应的Item
3)根据view item的类型,在getView中创建正确的convertView
部分代码如下:
@Override public View getView(int position, View convertView, ViewGroup parent) { int type = (Integer) list.get(position).get("type"); viewHolder1 holder1 = null; viewHolder2 holder2 = null; switch (type) { case TYPE_1: convertView = inflater.inflate(R.layout.add_customer_item2, parent, false); holder1 = new viewHolder1(); holder1.textView1 = (TextView) convertView .findViewById(R.id.company_name); holder1.textView2 = (TextView) convertView .findViewById(R.id.customer_coder); holder1.editText1 = (EditText) convertView .findViewById(R.id.company_name_value); String editText1Str = (String) list.get(position).get( "company_name_value"); holder1.editText1.setText(editText1Str); holder1.editText2 = (EditText) convertView .findViewById(R.id.customer_coder_value); String editText2Str = (String) list.get(position).get( "customer_coder_value"); holder1.editText2.setText(editText2Str); convertView.setTag(holder1); break; case TYPE_2: convertView = inflater.inflate(R.layout.add_customer_item3, parent, false); holder2 = new viewHolder2(); holder2.textView1 = (TextView) convertView .findViewById(R.id.contact_name); holder2.textView2 = (TextView) convertView .findViewById(R.id.contact_tel); holder2.textView3 = (TextView) convertView .findViewById(R.id.contact_adress); holder2.editText1 = (EditText) convertView .findViewById(R.id.contact_name_value); String editHolder2Text1Str = (String) list.get(position).get( "contact_name_value"); holder2.editText1.setText(editHolder2Text1Str); holder2.editText2 = (EditText) convertView .findViewById(R.id.contact_tel_value); String editHolder2Text2Str = (String) list.get(position).get( "contact_tel_value"); holder2.editText2.setText(editHolder2Text2Str); holder2.editText3 = (EditText) convertView .findViewById(R.id.contact_address_value); String editHolderText3Str = (String) list.get(position).get( "contact_address_value"); holder2.editText3.setText(editHolderText3Str); convertView.setTag(holder2); break; } return convertView; }
Android布局琐碎(原),码迷,mamicode.com
标签:android com http blog style class div img code java log
原文地址:http://www.cnblogs.com/HelloGuang/p/3699371.html