DrawableLayout实现仿QQ侧滑菜单+HttURLConnection_XListView_DrawerLayout_ImageLoader
来源：互联网 发布：avmoo2017最新域名 编辑：程序博客网 时间：2024/06/05 06:05
一. 在MainActivity.java中的代码：
import android.support.v4.app.FragmentActivity;import android.support.v4.view.GravityCompat;import android.support.v4.widget.DrawerLayout;import android.os.Bundle;import android.view.View;import android.view.Window;import android.widget.AdapterView;import android.widget.ArrayAdapter;import android.widget.FrameLayout;import android.widget.ImageView;import android.widget.ListView;import android.widget.RelativeLayout;import java.util.ArrayList;import java.util.List;public class MainActivity extends FragmentActivity { private DrawerLayout drawerlayout; private ImageView myHeadPhoto; private FrameLayout framelayout; private RelativeLayout relative; private ListView listView; private List<String> list; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_main); //抽屉,即侧滑菜单的布局 drawerlayout = (DrawerLayout) findViewById(R.id.drawer_layout); //主内容区域的布局 framelayout = (FrameLayout) findViewById(R.id.frame_layout); //菜单选项布局 listView = (ListView) findViewById(R.id.listView); //抽屉显示的布局 relative = (RelativeLayout) findViewById(R.id.relative); //点击QQ左侧头像 myHeadPhoto = (ImageView) findViewById(R.id.myHeadPhoto); //定义集合添加数据 list = new ArrayList<>(); list.add("了解会员特权"); list.add("QQ钱包"); list.add("个性装扮"); list.add("我的收藏"); list.add("我的相册"); list.add("我的文件"); //设置适配器 ArrayAdapter<String> adapter = new ArrayAdapter<>(MainActivity.this, android.R.layout.simple_list_item_1, android.R.id.text1, list); listView.setAdapter(adapter); //用户点击头像展示侧滑页的点击事件 myHeadPhoto.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { switch (view.getId()){ case R.id.myHeadPhoto: drawerlayout.openDrawer(GravityCompat.START); break; } } }); //条目的点击事件 listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) { //要有一个fragment替换后面主内容的frameLayout NewsFragment newsFragment = new NewsFragment(); //使用Framelayout布局占位 getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout,newsFragment).commit(); //关闭抽屉 drawerlayout.closeDrawer(relative); } }); }
二. 自定义的Fragment类代码：
package activity.WeekTwo;import android.os.AsyncTask;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import com.google.gson.Gson;import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.URL;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Date;import java.util.List;import Adapter.MyAdapter;import Bean.NewsBean;import view.XListView;public class NewsFragment extends Fragment implements XListView.IXListViewListener{ private List<NewsBean.ResultBean.RowsBean> list = new ArrayList<NewsBean.ResultBean.RowsBean>(); private MyAdapter adapter; private XListView xListView; @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.news_layout, container, false); //查找控件 xListView = view.findViewById(R.id.xListView); //设置XListView的上拉刷新功能 xListView.setPullLoadEnable(true); xListView.setPullRefreshEnable(true); //XListView的监听事件 xListView.setXListViewListener(this); return view; } @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); //获取刷新的数据 getDataFromNet(); } //网络获取刷新的数据 private void getDataFromNet() { AsyncTask<Void,Void,String> task = new AsyncTask<Void, Void, String>() { @Override protected String doInBackground(Void... voids) { try { String path = "http://api.fang.anjuke.com/m/android/1.3/shouye/recInfosV3/?city_id=14&lat=40.04652&lng=116.306033&api_key=androidkey&sig=9317e9634b5fbc16078ab07abb6661c5&macid=45cd2478331b184ff0e15f29aaa89e3e&app=a-ajk&_pid=11738&o=PE-TL10-user+4.4.2+HuaweiPE-TL10+CHNC00B260+ota-rel-keys%2Crelease-keys&from=mobile&m=Android-PE-TL10&cv=9.5.1&cid=14&i=864601026706713&v=4.4.2&pm=b61&uuid=1848c59c-185d-48d9-b0e9-782016041109&_chat_id=0&qtime=20160411091603"; URL url = new URL(path); //GET方式网络连接，注意HttpURLConnection请求数据，不是HttpsURLConnection类 HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod("GET"); connection.setConnectTimeout(5000); connection.setReadTimeout(5000); //响应数据 int responseCode = connection.getResponseCode(); if (responseCode == 200){ InputStream inputStream = connection.getInputStream(); //返回数据 String json = streamToString(inputStream,"utf-8"); return json; } } catch (Exception e) { e.printStackTrace(); } return null; } @Override protected void onPostExecute(String result) { //解析数据 NewsBean newsBean = new Gson().fromJson(result, NewsBean.class); //把获取的数据添加到集合中 list.addAll(newsBean.getResult().getRows()); //设置适配器 setAdapter(); //停止刷新数据 xListView.stopRefresh(); //设置刷新的时间 Date date = new Date(System.currentTimeMillis()); SimpleDateFormat format = new SimpleDateFormat("HH:mm"); xListView.setRefreshTime(format.format(date)); } }; task.execute(); } //设置适配器的方法 private void setAdapter() { if (adapter == null){ adapter = new MyAdapter(getActivity(), list); xListView.setAdapter(adapter); }else { adapter.notifyDataSetChanged(); } } //下拉刷新 @Override public void onRefresh() { getDataFromNet(); //刷新数据 } //上拉加载 @Override public void onLoadMore() { getDataFromNet(); //加载数据 } //Json数据解析的自定义方法 private String streamToString(InputStream inputStream, String encode) { try { //转换流 InputStreamReader streamReader = new InputStreamReader(inputStream, encode); //缓冲流 BufferedReader reader = new BufferedReader(streamReader); //缓冲区 StringBuilder builder = new StringBuilder(); //读取数据 String data = null; while ((data = reader.readLine())!=null){ builder.append(data); } //关流，返回数据 reader.close(); return builder.toString(); } catch (Exception e) { e.printStackTrace(); } return null; }}
三. 自定义适配器类代码（导入ImageLoader包）：
package Adapter;import android.content.Context;import android.graphics.Bitmap;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.TextView;import com.nostra13.universalimageloader.core.DisplayImageOptions;import com.nostra13.universalimageloader.core.ImageLoader;import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;import com.nostra13.universalimageloader.core.assist.ImageScaleType;import java.util.List;import Bean.NewsBean;import activity.WeekTwo.R;//自定义适配器继承BaseAdapterpublic class MyAdapter extends BaseAdapter{ private Context context; private List<NewsBean.ResultBean.RowsBean> list; public MyAdapter(Context context, List<NewsBean.ResultBean.RowsBean> list) { this.context = context; this.list = list; //自定义配置ImageLoader类 ImageLoader.getInstance().init(ImageLoaderConfiguration.createDefault(context)); } @Override public int getCount() { return list.size(); } @Override public Object getItem(int i) { return list.get(i); } @Override public long getItemId(int i) { return i; } //XlistView进行优化，防止出现内存溢出 @Override public View getView(int i, View view, ViewGroup viewGroup) { ViewHolder holder; if (view == null){ view = View.inflate(context, R.layout.item_layout,null); holder = new ViewHolder(); //查找控件 holder.loupan_name = view.findViewById(R.id.loupan_name); holder.default_image = view.findViewById(R.id.default_image); //绑定数据 view.setTag(holder); }else { //解绑 holder = (ViewHolder) view.getTag(); } //获取数据重新赋值 holder.loupan_name.setText(list.get(i).getInfo().getLoupan_name()); ImageLoader.getInstance().displayImage(list.get(i).getInfo().getDefault_image(),holder.default_image,getOption()); return view; } //ImageLoader加载图片,imageLoader配置使用自定义配置的方法 private DisplayImageOptions getOption(){ DisplayImageOptions build = new DisplayImageOptions.Builder() .showImageForEmptyUri(R.mipmap.ic_launcher) .showImageOnFail(R.mipmap.ic_launcher) .showImageOnLoading(R.mipmap.ic_launcher) .cacheInMemory(true) .cacheOnDisk(true) .imageScaleType(ImageScaleType.EXACTLY_STRETCHED) .resetViewBeforeLoading(true) //在加载之前复位一下显示 .bitmapConfig(Bitmap.Config.RGB_565) //图片的质量 .considerExifParams(true) //是否考虑JPEG图像EXIF参数（旋转，翻转） .build(); return build; } static class ViewHolder{ TextView loupan_name; ImageView default_image; }}
四. 自定义Bean类代码（导入Gson包）
五. 自定义view包盛放3个XListView类代码：
1. XListView.java
/** * @file XListView.java * @package me.maxwin.view * @create Mar 18, 2012 6:28:41 PM * @author Maxwin * @description An ListView support (a) Pull down to refresh, (b) Pull up to load more. * Implement IXListViewListener, and see stopRefresh() / stopLoadMore(). */package view;import android.content.Context;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View;import android.view.ViewTreeObserver.OnGlobalLayoutListener;import android.view.animation.DecelerateInterpolator;import android.widget.AbsListView;import android.widget.AbsListView.OnScrollListener;import android.widget.ListAdapter;import android.widget.ListView;import android.widget.RelativeLayout;import android.widget.Scroller;import android.widget.TextView;import activity.WeekTwo.R;public class XListView extends ListView implements OnScrollListener { private float mLastY = -1; // save event y private Scroller mScroller; // used for scroll back private OnScrollListener mScrollListener; // user's scroll listener // the interface to trigger refresh and load more. private IXListViewListener mListViewListener; // -- header view private XListViewHeader mHeaderView; // header view content, use it to calculate the Header's height. And hide it // when disable pull refresh. private RelativeLayout mHeaderViewContent; private TextView mHeaderTimeView; private int mHeaderViewHeight; // header view's height private boolean mEnablePullRefresh = true; private boolean mPullRefreshing = false; // is refreashing. // -- footer view private XListViewFooter mFooterView; private boolean mEnablePullLoad; private boolean mPullLoading; private boolean mIsFooterReady = false; // total list items, used to detect is at the bottom of listview. private int mTotalItemCount; // for mScroller, scroll back from header or footer. private int mScrollBack; private final static int SCROLLBACK_HEADER = 0; private final static int SCROLLBACK_FOOTER = 1; private final static int SCROLL_DURATION = 400; // scroll back duration private final static int PULL_LOAD_MORE_DELTA = 50; // when pull up >= 50px // at bottom, trigger // load more. private final static float OFFSET_RADIO = 1.8f; // support iOS like pull // feature. /** * @param context */ public XListView(Context context) { super(context); initWithContext(context); } public XListView(Context context, AttributeSet attrs) { super(context, attrs); initWithContext(context); } public XListView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); initWithContext(context); } private void initWithContext(Context context) { mScroller = new Scroller(context, new DecelerateInterpolator()); // XListView need the scroll event, and it will dispatch the event to // user's listener (as a proxy). super.setOnScrollListener(this); // init header view mHeaderView = new XListViewHeader(context); mHeaderViewContent = (RelativeLayout) mHeaderView .findViewById(R.id.xlistview_header_content); mHeaderTimeView = (TextView) mHeaderView .findViewById(R.id.xlistview_header_time); addHeaderView(mHeaderView); // init footer view mFooterView = new XListViewFooter(context); // init header height mHeaderView.getViewTreeObserver().addOnGlobalLayoutListener( new OnGlobalLayoutListener() { @Override public void onGlobalLayout() { mHeaderViewHeight = mHeaderViewContent.getHeight(); getViewTreeObserver() .removeGlobalOnLayoutListener(this); } }); } @Override public void setAdapter(ListAdapter adapter) { // make sure XListViewFooter is the last footer view, and only add once. if (mIsFooterReady == false) { mIsFooterReady = true; addFooterView(mFooterView); } super.setAdapter(adapter); } /** * enable or disable pull down refresh feature. * * @param enable */ public void setPullRefreshEnable(boolean enable) { mEnablePullRefresh = enable; if (!mEnablePullRefresh) { // disable, hide the content mHeaderViewContent.setVisibility(View.INVISIBLE); } else { mHeaderViewContent.setVisibility(View.VISIBLE); } } /** * enable or disable pull up load more feature. * * @param enable */ public void setPullLoadEnable(boolean enable) { mEnablePullLoad = enable; if (!mEnablePullLoad) { mFooterView.hide(); mFooterView.setOnClickListener(null); //make sure "pull up" don't show a line in bottom when listview with one page setFooterDividersEnabled(false); } else { mPullLoading = false; mFooterView.show(); mFooterView.setState(XListViewFooter.STATE_NORMAL); //make sure "pull up" don't show a line in bottom when listview with one page setFooterDividersEnabled(true); // both "pull up" and "click" will invoke load more. mFooterView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { startLoadMore(); } }); } } /** * stop refresh, reset header view. */ public void stopRefresh() { if (mPullRefreshing == true) { mPullRefreshing = false; resetHeaderHeight(); } } /** * stop load more, reset footer view. */ public void stopLoadMore() { if (mPullLoading == true) { mPullLoading = false; mFooterView.setState(XListViewFooter.STATE_NORMAL); } } /** * set last refresh time * * @param time */ public void setRefreshTime(String time) { mHeaderTimeView.setText(time); } private void invokeOnScrolling() { if (mScrollListener instanceof OnXScrollListener) { OnXScrollListener l = (OnXScrollListener) mScrollListener; l.onXScrolling(this); } } private void updateHeaderHeight(float delta) { mHeaderView.setVisiableHeight((int) delta + mHeaderView.getVisiableHeight()); if (mEnablePullRefresh && !mPullRefreshing) { // 未处于刷新状态，更新箭头 if (mHeaderView.getVisiableHeight() > mHeaderViewHeight) { mHeaderView.setState(XListViewHeader.STATE_READY); } else { mHeaderView.setState(XListViewHeader.STATE_NORMAL); } } setSelection(0); // scroll to top each time } /** * reset header view's height. */ private void resetHeaderHeight() { int height = mHeaderView.getVisiableHeight(); if (height == 0) // not visible. return; // refreshing and header isn't shown fully. do nothing. if (mPullRefreshing && height <= mHeaderViewHeight) { return; } int finalHeight = 0; // default: scroll back to dismiss header. // is refreshing, just scroll back to show all the header. if (mPullRefreshing && height > mHeaderViewHeight) { finalHeight = mHeaderViewHeight; } mScrollBack = SCROLLBACK_HEADER; mScroller.startScroll(0, height, 0, finalHeight - height, SCROLL_DURATION); // trigger computeScroll invalidate(); } private void updateFooterHeight(float delta) { int height = mFooterView.getBottomMargin() + (int) delta; if (mEnablePullLoad && !mPullLoading) { if (height > PULL_LOAD_MORE_DELTA) { // height enough to invoke load // more. mFooterView.setState(XListViewFooter.STATE_READY); } else { mFooterView.setState(XListViewFooter.STATE_NORMAL); } } mFooterView.setBottomMargin(height);// setSelection(mTotalItemCount - 1); // scroll to bottom } private void resetFooterHeight() { int bottomMargin = mFooterView.getBottomMargin(); if (bottomMargin > 0) { mScrollBack = SCROLLBACK_FOOTER; mScroller.startScroll(0, bottomMargin, 0, -bottomMargin, SCROLL_DURATION); invalidate(); } } private void startLoadMore() { mPullLoading = true; mFooterView.setState(XListViewFooter.STATE_LOADING); if (mListViewListener != null) { mListViewListener.onLoadMore(); } } @Override public boolean onTouchEvent(MotionEvent ev) { if (mLastY == -1) { mLastY = ev.getRawY(); } switch (ev.getAction()) { case MotionEvent.ACTION_DOWN: mLastY = ev.getRawY(); break; case MotionEvent.ACTION_MOVE: final float deltaY = ev.getRawY() - mLastY; mLastY = ev.getRawY(); if (getFirstVisiblePosition() == 0 && (mHeaderView.getVisiableHeight() > 0 || deltaY > 0)) { // the first item is showing, header has shown or pull down. updateHeaderHeight(deltaY / OFFSET_RADIO); invokeOnScrolling(); } else if (getLastVisiblePosition() == mTotalItemCount - 1 && (mFooterView.getBottomMargin() > 0 || deltaY < 0)) { // last item, already pulled up or want to pull up. updateFooterHeight(-deltaY / OFFSET_RADIO); } break; default: mLastY = -1; // reset if (getFirstVisiblePosition() == 0) { // invoke refresh if (mEnablePullRefresh && mHeaderView.getVisiableHeight() > mHeaderViewHeight) { mPullRefreshing = true; mHeaderView.setState(XListViewHeader.STATE_REFRESHING); if (mListViewListener != null) { mListViewListener.onRefresh(); } } resetHeaderHeight(); } else if (getLastVisiblePosition() == mTotalItemCount - 1) { // invoke load more. if (mEnablePullLoad && mFooterView.getBottomMargin() > PULL_LOAD_MORE_DELTA && !mPullLoading) { startLoadMore(); } resetFooterHeight(); } break; } return super.onTouchEvent(ev); } @Override public void computeScroll() { if (mScroller.computeScrollOffset()) { if (mScrollBack == SCROLLBACK_HEADER) { mHeaderView.setVisiableHeight(mScroller.getCurrY()); } else { mFooterView.setBottomMargin(mScroller.getCurrY()); } postInvalidate(); invokeOnScrolling(); } super.computeScroll(); } @Override public void setOnScrollListener(OnScrollListener l) { mScrollListener = l; } @Override public void onScrollStateChanged(AbsListView view, int scrollState) { if (mScrollListener != null) { mScrollListener.onScrollStateChanged(view, scrollState); } } @Override public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) { // send to user's listener mTotalItemCount = totalItemCount; if (mScrollListener != null) { mScrollListener.onScroll(view, firstVisibleItem, visibleItemCount, totalItemCount); } } public void setXListViewListener(IXListViewListener l) { mListViewListener = l; } /** * you can listen ListView.OnScrollListener or this one. it will invoke * onXScrolling when header/footer scroll back. */ public interface OnXScrollListener extends OnScrollListener { public void onXScrolling(View view); } /** * implements this interface to get refresh/load more event. */ public interface IXListViewListener { public void onRefresh(); public void onLoadMore(); }}
2. XListViewFooter.java
/** * @file XFooterView.java * @create Mar 31, 2012 9:33:43 PM * @author Maxwin * @description XListView's footer */package view;import android.content.Context;import android.util.AttributeSet;import android.view.LayoutInflater;import android.view.View;import android.widget.LinearLayout;import android.widget.TextView;import activity.WeekTwo.R;public class XListViewFooter extends LinearLayout { public final static int STATE_NORMAL = 0; public final static int STATE_READY = 1; public final static int STATE_LOADING = 2; private Context mContext; private View mContentView; private View mProgressBar; private TextView mHintView; public XListViewFooter(Context context) { super(context); initView(context); } public XListViewFooter(Context context, AttributeSet attrs) { super(context, attrs); initView(context); } public void setState(int state) { mHintView.setVisibility(View.INVISIBLE); mProgressBar.setVisibility(View.INVISIBLE); mHintView.setVisibility(View.INVISIBLE); if (state == STATE_READY) { mHintView.setVisibility(View.VISIBLE); mHintView.setText(R.string.xlistview_footer_hint_ready); } else if (state == STATE_LOADING) { mProgressBar.setVisibility(View.VISIBLE); } else { mHintView.setVisibility(View.VISIBLE); mHintView.setText(R.string.xlistview_footer_hint_normal); } } public void setBottomMargin(int height) { if (height < 0) return ; LayoutParams lp = (LayoutParams)mContentView.getLayoutParams(); lp.bottomMargin = height; mContentView.setLayoutParams(lp); } public int getBottomMargin() { LayoutParams lp = (LayoutParams)mContentView.getLayoutParams(); return lp.bottomMargin; } /** * normal status */ public void normal() { mHintView.setVisibility(View.VISIBLE); mProgressBar.setVisibility(View.GONE); } /** * loading status */ public void loading() { mHintView.setVisibility(View.GONE); mProgressBar.setVisibility(View.VISIBLE); } /** * hide footer when disable pull load more */ public void hide() { LayoutParams lp = (LayoutParams)mContentView.getLayoutParams(); lp.height = 0; mContentView.setLayoutParams(lp); } /** * show footer */ public void show() { LayoutParams lp = (LayoutParams)mContentView.getLayoutParams(); lp.height = LayoutParams.WRAP_CONTENT; mContentView.setLayoutParams(lp); } private void initView(Context context) { mContext = context; LinearLayout moreView = (LinearLayout)LayoutInflater.from(mContext).inflate(R.layout.xlistview_footer, null); addView(moreView); moreView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT)); mContentView = moreView.findViewById(R.id.xlistview_footer_content); mProgressBar = moreView.findViewById(R.id.xlistview_footer_progressbar); mHintView = (TextView)moreView.findViewById(R.id.xlistview_footer_hint_textview); } }
3. XListViewHeader.java
/** * @file XListViewHeader.java * @create Apr 18, 2012 5:22:27 PM * @author Maxwin * @description XListView's header */package view;import android.content.Context;import android.util.AttributeSet;import android.view.Gravity;import android.view.LayoutInflater;import android.view.View;import android.view.animation.Animation;import android.view.animation.RotateAnimation;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.ProgressBar;import android.widget.TextView;import activity.WeekTwo.R;public class XListViewHeader extends LinearLayout { private LinearLayout mContainer; private ImageView mArrowImageView; private ProgressBar mProgressBar; private TextView mHintTextView; private int mState = STATE_NORMAL; private Animation mRotateUpAnim; private Animation mRotateDownAnim; private final int ROTATE_ANIM_DURATION = 180; public final static int STATE_NORMAL = 0; public final static int STATE_READY = 1; public final static int STATE_REFRESHING = 2; public XListViewHeader(Context context) { super(context); initView(context); } /** * @param context * @param attrs */ public XListViewHeader(Context context, AttributeSet attrs) { super(context, attrs); initView(context); } private void initView(Context context) { // 初始情况，设置下拉刷新view高度为0 LayoutParams lp = new LayoutParams( LayoutParams.FILL_PARENT, 0); mContainer = (LinearLayout) LayoutInflater.from(context).inflate( R.layout.xlistview_header, null); addView(mContainer, lp); setGravity(Gravity.BOTTOM); mArrowImageView = (ImageView)findViewById(R.id.xlistview_header_arrow); mHintTextView = (TextView)findViewById(R.id.xlistview_header_hint_textview); mProgressBar = (ProgressBar)findViewById(R.id.xlistview_header_progressbar); mRotateUpAnim = new RotateAnimation(0.0f, -180.0f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f); mRotateUpAnim.setDuration(ROTATE_ANIM_DURATION); mRotateUpAnim.setFillAfter(true); mRotateDownAnim = new RotateAnimation(-180.0f, 0.0f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f); mRotateDownAnim.setDuration(ROTATE_ANIM_DURATION); mRotateDownAnim.setFillAfter(true); } public void setState(int state) { if (state == mState) return ; if (state == STATE_REFRESHING) { // 显示进度 mArrowImageView.clearAnimation(); mArrowImageView.setVisibility(View.INVISIBLE); mProgressBar.setVisibility(View.VISIBLE); } else { // 显示箭头图片 mArrowImageView.setVisibility(View.VISIBLE); mProgressBar.setVisibility(View.INVISIBLE); } switch(state){ case STATE_NORMAL: if (mState == STATE_READY) { mArrowImageView.startAnimation(mRotateDownAnim); } if (mState == STATE_REFRESHING) { mArrowImageView.clearAnimation(); } mHintTextView.setText(R.string.xlistview_header_hint_normal); break; case STATE_READY: if (mState != STATE_READY) { mArrowImageView.clearAnimation(); mArrowImageView.startAnimation(mRotateUpAnim); mHintTextView.setText(R.string.xlistview_header_hint_ready); } break; case STATE_REFRESHING: mHintTextView.setText(R.string.xlistview_header_hint_loading); break; default: } mState = state; } public void setVisiableHeight(int height) { if (height < 0) height = 0; LayoutParams lp = (LayoutParams) mContainer .getLayoutParams(); lp.height = height; mContainer.setLayoutParams(lp); } public int getVisiableHeight() { return mContainer.getLayoutParams().height; }}
六. 自定义布局：
1. activity_main.xml :
<?xml version="1.0" encoding="utf-8"?><android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/drawer_layout" android:layout_width="match_parent" android:layout_height="match_parent" > <!--主内容区域的视图--> <FrameLayout android:id="@+id/frame_layout" android:layout_width="match_parent" android:layout_height="match_parent" > <RelativeLayout android:background="#EEE8AA" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_gravity="left|center_vertical"> <RelativeLayout android:layout_height="88dp" android:background="#00FA9A" android:layout_width="match_parent" android:layout_alignParentTop="true"> <ImageView android:clickable="true" android:src="@drawable/a" android:layout_width="36dp" android:layout_height="36dp" android:layout_marginLeft="6dp" android:id="@+id/myHeadPhoto" android:layout_centerVertical="true"/> <TextView android:text="消息" android:textSize="21sp" android:textStyle="bold" android:layout_centerInParent="true" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <ImageView android:clickable="true" android:layout_width="36dp" android:layout_height="36dp" android:layout_marginRight="6dp" android:src="@drawable/popshow" android:layout_centerVertical="true" android:layout_alignParentRight="true"/> </RelativeLayout> <TextView android:textSize="36sp" android:textStyle="bold" android:textColor="#00BFFF" android:text="QQ侧滑菜单的实现" android:layout_marginTop="36dp" android:layout_centerInParent="true" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </RelativeLayout> </FrameLayout> <!--抽屉展示的布局--> <RelativeLayout android:id="@+id/relative" android:layout_gravity="left" android:layout_width="250dp" android:background="#00BFFF" android:layout_height="match_parent"> <ImageView android:id="@+id/a" android:src="@drawable/a" android:layout_width="36dp" android:layout_height="36dp" android:layout_marginLeft="65dp" android:layout_marginTop="20dp" /> <TextView android:text="问天" android:textSize="21sp" android:id="@+id/text" android:layout_marginLeft="10dp" android:layout_marginTop="21dp" android:layout_toRightOf="@id/a" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <ListView android:divider="#00BFFF" android:id="@+id/listView" android:layout_marginTop="50dp" android:layout_marginLeft="80dp" android:layout_below="@+id/text" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_centerHorizontal="true"></ListView> </RelativeLayout></android.support.v4.widget.DrawerLayout>
2. item_layout.xml :
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" android:background="#ffffff" > <ImageView android:layout_width="88dp" android:layout_height="88dp" android:layout_marginLeft="6dp" android:id="@+id/default_image" android:layout_gravity="center_vertical" /> <TextView android:textSize="18sp" android:id="@+id/loupan_name" android:layout_marginLeft="16dp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_vertical"/></LinearLayout>
3. news_layout.xml :
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <view.XListView android:background="#ffffff" android:id="@+id/xListView" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_gravity="center_horizontal"/></LinearLayout>
4. xlistview_header.xml :
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="bottom" > <RelativeLayout android:id="@+id/xlistview_header_content" android:layout_width="fill_parent" android:layout_height="60dp" > <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:gravity="center" android:orientation="vertical" android:id="@+id/xlistview_header_text"> <TextView android:id="@+id/xlistview_header_hint_textview" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/xlistview_header_hint_normal" /> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="3dp" > <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/xlistview_header_last_time" android:textSize="12sp" /> <TextView android:id="@+id/xlistview_header_time" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="12sp" /> </LinearLayout> </LinearLayout> <ImageView android:id="@+id/xlistview_header_arrow" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@id/xlistview_header_text" android:layout_centerVertical="true" android:layout_marginLeft="-35dp" android:src="@drawable/xlistview_arrow" /> <ProgressBar android:id="@+id/xlistview_header_progressbar" android:layout_width="30dp" android:layout_height="30dp" android:layout_alignLeft="@id/xlistview_header_text" android:layout_centerVertical="true" android:layout_marginLeft="-40dp" android:visibility="invisible" /> </RelativeLayout></LinearLayout>
5. xlistview_footer.xml :
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" > <RelativeLayout android:id="@+id/xlistview_footer_content" android:layout_width="fill_parent" android:layout_height="wrap_content" android:padding="10dp" > <ProgressBar android:id="@+id/xlistview_footer_progressbar" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:visibility="invisible" /> <TextView android:id="@+id/xlistview_footer_hint_textview" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:text="@string/xlistview_footer_hint_normal" /> </RelativeLayout></LinearLayout>
6. values目录下的strings.xml中的<resources>加入以下代码：
<string name="xlistview_header_hint_normal">下拉刷新</string><string name="xlistview_header_hint_ready">松开刷新数据</string><string name="xlistview_header_hint_loading">正在加载...</string><string name="xlistview_header_last_time">上次更新时间：</string><string name="xlistview_footer_hint_normal">查看更多</string><string name="xlistview_footer_hint_ready">松开载入更多</string>
7. 在drawable目录下，加入图片 xlistview_arrow.png ：
8. 在AndroidManfiest.xml中加入网络请求权限。
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