下面四个步骤就能创建一个简单的片段
1。扩展片段类
2。在XML或Java中提供显示
3。覆盖onCreateView方法
4。在活动中使用片段
如下就是简单的显例
创建一个FirstActivityFragment。java文件,扩展片段类
package com.example.liang.login;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.view.VelocityTrackerCompat;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;/* *
,* Created by liang 提醒2016/7/15。
,*/public class FirstActivityFragment extends Fragment {
,,,public FirstActivityFragment () {
,,,}
,,@Override
,,,public View onCreateView (LayoutInflater 增压泵,
,,,,,,,,,,,,,,,,,,,,,,,,,,,,ViewGroup 容器,
,,,,,,,,,,,,,,,,,,,,,,,,,,,,Bundle savedInstanceState) {
,,,,,,View v =, inflater.inflate (R.layout.fragment_first,
,,,,,,,,,,,,,,,,,假);
,,,,,,,TextView TextView =, (TextView) v.findViewById (R.id.showFirstFragmentInfo);
,,,,,,,final Context Context =, this.getActivity ();
,,,,,,,textView.setOnClickListener (new View.OnClickListener (), {
,,,,,,,,,,@Override
,,,,,,,,,,,public void onClick (View v), {
,,,,,,,,,,,,,,,Toast 你好;
,,,,,,,,,,,,,,,hello =, Toast.makeText(上下文、“hello”Toast.LENGTH_LONG);
,,,,,,,,,,,,,,,hello.show ();
,,,,,,,,,,,}
,,,,,,,});
,,,,,,,return v;
,,,}
,,@Override
,,,public void onCreate (savedInstanceState, Bundle ), {
,,,,,,,super.onCreate (savedInstanceState);
,,,}
}
为片段创建一个xml fragment_first。xml
并在一个活动视图中使用
& lt; ? xml version=" 1.0 ",编码=" utf - 8 " ?比;
& lt; LinearLayout xmlns: android=" http://schemas.android.com/apk/res/android "
,,,android: layout_width=癿atch_parent”
,,,android: layout_height=癿atch_parent”
,,,android:取向=按怪薄?
,,,android:背景=? 33 ff00”比;
,,,& lt; fragment xmlns: android=,,,,,,," http://schemas.android.com/apk/res/android "
,,,,,,,xmlns:工具=" http://schemas.android.com/tools "
,,,,,,,android: id=癅 + id/片段”
,,,,,,,android: name=" com.example.liang.login.FirstActivityFragment "
,,,,,,,工具:layout=癅layout/fragment_first”
,,,,,,,android: layout_width=癿atch_parent”
,,,,,,,android: layout_height=皐rap_content”,/比;
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