ViewPager和Fragment的结合

来源：互联网发布：网络研修教学反思编辑：程序博客网时间：2024/05/17 03:27

直接上代码，注意：本demo用第三方pullToReflesh和sharedSDK第三方登陆和分享，需要自己添加。

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.RadioButton;
import android.widget.Toast;
import java.util.HashMap;
import cn.sharesdk.framework.Platform;
import cn.sharesdk.framework.PlatformActionListener;
import cn.sharesdk.framework.PlatformDb;
import cn.sharesdk.framework.ShareSDK;
import cn.sharesdk.onekeyshare.OnekeyShare;

public class OwhatActivity extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener, View.OnClickListener {
private RadioButton first;
private RadioButton message;
private RadioButton task;
private RadioButton milestone;
private RadioButton mine;
private FragmentTransaction fragmentTransaction;
private Fragment FirstFragment;
private Fragment MessageFragment;
private Fragment MilestoneFragment;
private Fragment MineFragment;
private long time;
private FragmentTransaction fragmentTransaction1;
private Button share;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_owhat);
initView();
initFragment();
check();
/*
* 碎片管理器对象
* */
fragmentTransaction = getSupportFragmentManager().beginTransaction();
fragmentTransaction.add(R.id.container, FirstFragment).commit();
task.setOnClickListener(this);
mine.setOnClickListener(this);
share.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
showShare();
//第三方登录
// ShareSDK.initSDK(OwhatActivity.this);
// Platform platform = ShareSDK.getPlatform(OwhatActivity.this, "QQ.NAME");
// platform.setPlatformActionListener(new PlatformActionListener() {
// @Override
// public void onComplete(Platform platform, int i, HashMap<String, Object> hashMap) {
// PlatformDb db = platform.getDb();
// String token = db.getToken();
// Log.i("TAG",db.getUserIcon());
// Log.i("TAG",db.getPlatformNname());
// Log.i("TAG",hashMap.toString());
// }
//
// @Override
// public void onError(Platform platform, int i, Throwable throwable) {
// Toast.makeText(OwhatActivity.this,"授权失败",Toast.LENGTH_SHORT).show();
// }
//
// @Override
// public void onCancel(Platform platform, int i) {
// Toast.makeText(OwhatActivity.this,"授权取消",Toast.LENGTH_SHORT).show();
//
// }
// });
}
});
}
private void initFragment() {
FirstFragment = fragment.FirstFragment.newInstance();
MessageFragment = fragment.MessageFragment.newInstance();
MilestoneFragment = fragment.MilestoneFragment.newInstance();
}
/*
* radioButton的监听事件
* */
private void check() {
first.setOnCheckedChangeListener(this);
message.setOnCheckedChangeListener(this);
milestone.setOnCheckedChangeListener(this);
mine.setOnCheckedChangeListener(this);
}
/**
* 初始化控件
* */
private void initView() {
first = ((RadioButton) findViewById(R.id.bottom_first));
message = ((RadioButton) findViewById(R.id.bottom_message));
task = ((RadioButton) findViewById(R.id.bottom_task));
milestone = ((RadioButton) findViewById(R.id.bottom_milestone));
mine = ((RadioButton) findViewById(R.id.bottom_mine));
share = ((Button) findViewById(R.id.textShare));
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_owhat, 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();

//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
/*
* radiobutton被选择的点击事件
* */
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
fragmentTransaction1 = getSupportFragmentManager().beginTransaction();
switch (buttonView.getId()){
case R.id.bottom_first:
if (!FirstFragment.isAdded()){
fragmentTransaction1.replace(R.id.container, FirstFragment);
}else{
fragmentTransaction1.show(FirstFragment);
}
fragmentTransaction1.commit();
break;
case R.id.bottom_message:
if (!MessageFragment.isAdded()){
fragmentTransaction1.replace(R.id.container, MessageFragment);
}else{
fragmentTransaction1.show(MessageFragment);
}
fragmentTransaction1.commit();
break;
case R.id.bottom_milestone:
if (!MilestoneFragment.isAdded()){
fragmentTransaction1.replace(R.id.container, MilestoneFragment);
}else{
fragmentTransaction1.show(MilestoneFragment);
}
fragmentTransaction1.commit();
break;
}

}
/*
* 系统退出按钮的返回点击监听事件
* */
public boolean onKeyUp(int keyCode, KeyEvent event) {
// TODO Auto-generated method stub
//Data data=new Data();
if(keyCode== KeyEvent.KEYCODE_BACK&&event.getAction()==KeyEvent.ACTION_UP){
if(System.currentTimeMillis()-time>2000){
Toast.makeText(this, "再点击一次退出程序", Toast.LENGTH_SHORT).show();
time=System.currentTimeMillis();
}
else{
System.exit(0);
}
}
return true;
}
/*
* task和mine的点击监听事件
* */
@Override
public void onClick(View v) {
switch(v.getId()){
case R.id.bottom_task:
Toast.makeText(OwhatActivity.this,"发任务",Toast.LENGTH_SHORT).show();
break;
case R.id.bottom_mine:
Toast.makeText(OwhatActivity.this,"我的",Toast.LENGTH_SHORT).show();
break;
}

}
/*
* 第三方分享
* */
private void showShare() {
ShareSDK.initSDK(this);
OnekeyShare oks = new OnekeyShare();
//关闭sso授权
oks.disableSSOWhenAuthorize();

// 分享时Notification的图标和文字 2.5.9以后的版本不调用此方法
//oks.setNotification(R.drawable.ic_launcher, getString(R.string.app_name));
// title标题，印象笔记、邮箱、信息、微信、人人网和QQ空间使用
oks.setTitle(getString(R.string.share));
// titleUrl是标题的网络链接，仅在人人网和QQ空间使用
oks.setTitleUrl("http://sharesdk.cn");
// text是分享文本，所有平台都需要这个字段
oks.setText("我是分享文本");
// imagePath是图片的本地路径，Linked-In以外的平台都支持此参数
oks.setImagePath("/sdcard/test.jpg");//确保SDcard下面存在此张图片
// url仅在微信（包括好友和朋友圈）中使用
oks.setUrl("http://sharesdk.cn");
// comment是我对这条分享的评论，仅在人人网和QQ空间使用
oks.setComment("我是测试评论文本");
// site是分享此内容的网站名称，仅在QQ空间使用
oks.setSite(getString(R.string.app_name));
// siteUrl是分享此内容的网站地址，仅在QQ空间使用
oks.setSiteUrl("http://sharesdk.cn");

// 启动分享GUI
oks.show(this);
}
}

FirstFragment 代码：
import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import cn.owhat.com.owhat.R;

/**
* A simple {@link Fragment} subclass.
*/
public class FirstFragment extends Fragment implements RadioGroup.OnCheckedChangeListener {

private RadioButton discover;
private RadioButton help;
private RadioButton focus;
private RadioGroup group;

public static Fragment newInstance(){
return new FirstFragment();
}
public FirstFragment() {
// Required empty public constructor
}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = (View) inflater.inflate(R.layout.fragment_first, null);
initView(view);
group.setOnCheckedChangeListener(this);
return view;
}

private void initView(View view) {
group = ((RadioGroup) view.findViewById(R.id.group));
discover = (RadioButton) view.findViewById(R.id.discover);
help = ((RadioButton) view.findViewById(R.id.help));
focus = ((RadioButton) view.findViewById(R.id.focus));
}

@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
switch(group.getId()){
case R.id.focus:
focus.setTextColor(Color.WHITE);
break;
case R.id.discover:
discover.setTextColor(Color.WHITE);
break;
case R.id.help:
help.setTextColor(Color.WHITE);
break;
}
}
}

MessageFragment 代码：

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.text.format.DateUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.ListView;
import com.handmark.pulltorefresh.library.ILoadingLayout;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;
import java.util.List;
import cn.owhat.com.owhat.R;

/**
* A simple {@link Fragment} subclass.
*/
public class MessageFragment extends Fragment {
//上拉加载下拉刷新
private PullToRefreshListView pullToReflesh;
private String[] demo={"O!每电台","任务通知","订单信息"};
private ILoadingLayout startLabels;

public static Fragment newInstance(){
return new MessageFragment();
}
public MessageFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_message, null);
pullToReflesh = ((PullToRefreshListView) view.findViewById(R.id.pull_refresh_list));
ArrayAdapter adapter=new ArrayAdapter(getActivity(),android.R.layout.simple_expandable_list_item_1,demo);
pullToReflesh.setAdapter(adapter);
startLabels = pullToReflesh.getLoadingLayoutProxy();
startLabels.setPullLabel("屌丝，下拉加载......");
startLabels.setRefreshingLabel("正在刷新......");
// startLabels.setReleaseLabel("成功了哦！");
pullToReflesh.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
@Override
public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
/*
* 设置时间
* */
String label = DateUtils.formatDateTime(
getActivity(),
System.currentTimeMillis(),
DateUtils.FORMAT_SHOW_TIME
| DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_ABBREV_ALL);
startLabels.setLastUpdatedLabel(label);
/*
* 写下拉刷新的异步任务
* */
}
@Override
public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
/*
* 写上拉加载的异步任务
* */
}
});
return view;
}
class MessageAdapter extends BaseAdapter{

@Override
public int getCount() {
return 0;
}

@Override
public Object getItem(int position) {
return null;
}

@Override
public long getItemId(int position) {
return 0;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
return null;
}
}

}

MilestoneFragment 代码：
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import cn.owhat.com.owhat.R;

/**
* A simple {@link Fragment} subclass.
*/
public class MilestoneFragment extends Fragment {

public static Fragment newInstance(){
return new MilestoneFragment();
}
public MilestoneFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_milestone, container, false);
}
}

activity_owhat xml布局文件代码如下：

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