实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
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android.widget.AdapterView.OnItemLongClickListener;import android.widget.EditText;import android.widget.ExpandableListView;import android.widget.ExpandableListView.OnChildClickListener;import android.widget.ImageButton;import android.widget.ImageView;import android.widget.ProgressBar;import android.widget.ScrollView;import android.widget.TextView;import com.way.adapter.RosterAdapter;import com.way.app.XXBroadcastReceiver;import com.way.app.XXBroadcastReceiver.EventHandler;import com.way.db.ChatProvider;import com.way.db.RosterProvider;import com.way.db.RosterProvider.RosterConstants;import com.way.fragment.RecentChatFragment;import com.way.fragment.SettingsFragment;import com.way.iphonetreeview.IphoneTreeView;import com.way.pulltorefresh.PullToRefreshBase;import com.way.pulltorefresh.PullToRefreshBase.OnRefreshListener;import com.way.pulltorefresh.PullToRefreshScrollView;import com.way.quickaction.ActionItem;import com.way.quickaction.QuickAction;import com.way.quickaction.QuickAction.OnActionItemClickListener;import com.way.service.IConnectionStatusCallback;import com.way.service.XXService;import com.way.slidingmenu.BaseSlidingFragmentActivity;import com.way.slidingmenu.SlidingMenu;import com.way.util.L;import com.way.util.NetUtil;import com.way.util.PreferenceConstants;import com.way.util.PreferenceUtils;import com.way.util.StatusMode;import com.way.util.T;import com.way.util.XMPPHelper;import com.way.view.AddRosterItemDialog;import com.way.view.CustomDialog;import com.way.view.GroupNameView;import com.way.xx.R;public class MainActivity extends BaseSlidingFragmentActivity implements OnClickListener, IConnectionStatusCallback, EventHandler, FragmentCallBack { private static final int ID_CHAT = 0; private static final int ID_AVAILABLE = 1; private static final int ID_AWAY = 2; private static final int ID_XA = 3; private static final int ID_DND = 4; public static HashMap<String, Integer> mStatusMap; static { mStatusMap = new HashMap<String, Integer>(); mStatusMap.put(PreferenceConstants.OFFLINE, -1); mStatusMap.put(PreferenceConstants.DND, R.drawable.status_shield); mStatusMap.put(PreferenceConstants.XA, R.drawable.status_invisible); mStatusMap.put(PreferenceConstants.AWAY, R.drawable.status_leave); mStatusMap.put(PreferenceConstants.AVAILABLE, R.drawable.status_online); mStatusMap.put(PreferenceConstants.CHAT, R.drawable.status_qme); } private Handler mainHandler = new Handler(); private XXService mXxService; private SlidingMenu mSlidingMenu; private View mNetErrorView; private TextView mTitleNameView; private ImageView mTitleStatusView; private ProgressBar mTitleProgressBar; private PullToRefreshScrollView mPullRefreshScrollView; private IphoneTreeView mIphoneTreeView; private RosterAdapter mRosterAdapter; private ContentObserver mRosterObserver = new RosterObserver(); private int mLongPressGroupId, mLongPressChildId; ServiceConnection mServiceConnection = new ServiceConnection() { @Override public void onServiceConnected(ComponentName name, IBinder service) { mXxService = ((XXService.XXBinder) service).getService(); mXxService.registerConnectionStatusCallback(MainActivity.this); // 开始连接xmpp服务器 if (!mXxService.isAuthenticated()) { String usr = PreferenceUtils.getPrefString(MainActivity.this, PreferenceConstants.ACCOUNT, ""); String password = PreferenceUtils.getPrefString( MainActivity.this, PreferenceConstants.PASSWORD, ""); mXxService.Login(usr, password); // mTitleNameView.setText(R.string.login_prompt_msg); // setStatusImage(false); // mTitleProgressBar.setVisibility(View.VISIBLE); } else { mTitleNameView.setText(XMPPHelper .splitJidAndServer(PreferenceUtils.getPrefString( MainActivity.this, PreferenceConstants.ACCOUNT, ""))); setStatusImage(true); mTitleProgressBar.setVisibility(View.GONE); } } @Override public void onServiceDisconnected(ComponentName name) { mXxService.unRegisterConnectionStatusCallback(); mXxService = null; } }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); startService(new Intent(MainActivity.this, XXService.class)); initSlidingMenu(); setContentView(R.layout.main_center_layout); initViews(); registerListAdapter(); } /** * 连续按两次返回键就退出 */ private long firstTime; @Override public void onBackPressed() { if (System.currentTimeMillis() - firstTime < 3000) { finish(); } else { firstTime = System.currentTimeMillis(); T.showShort(this, R.string.press_again_backrun); } } @Override protected void onResume() { super.onResume(); bindXMPPService(); getContentResolver().registerContentObserver( RosterProvider.CONTENT_URI, true, mRosterObserver); setStatusImage(isConnected()); mRosterAdapter.requery(); XXBroadcastReceiver.mListeners.add(this); if (NetUtil.getNetworkState(this) == NetUtil.NETWORN_NONE) mNetErrorView.setVisibility(View.VISIBLE); else mNetErrorView.setVisibility(View.GONE); } @Override protected void onPause() { super.onPause(); getContentResolver().unregisterContentObserver(mRosterObserver); unbindXMPPService(); XXBroadcastReceiver.mListeners.remove(this); } @Override protected void onDestroy() { super.onDestroy(); } private void registerListAdapter() { mRosterAdapter = new RosterAdapter(this, mIphoneTreeView, mPullRefreshScrollView); mIphoneTreeView.setAdapter(mRosterAdapter); mRosterAdapter.requery(); } private void unbindXMPPService() { try { unbindService(mServiceConnection); L.i(LoginActivity.class, "[SERVICE] Unbind"); } catch (IllegalArgumentException e) { L.e(LoginActivity.class, "Service wasn't bound!"); } } private void bindXMPPService() { L.i(LoginActivity.class, "[SERVICE] Unbind"); bindService(new Intent(MainActivity.this, XXService.class), mServiceConnection, Context.BIND_AUTO_CREATE Context.BIND_DEBUG_UNBIND); } private void initViews() { mNetErrorView = findViewById(R.id.net_status_bar_top); mSlidingMenu.setSecondaryMenu(R.layout.main_right_layout); FragmentTransaction mFragementTransaction = getSupportFragmentManager() .beginTransaction(); Fragment mFrag = new SettingsFragment(); mFragementTransaction.replace(R.id.main_right_fragment, mFrag); mFragementTransaction.commit(); ImageButton mLeftBtn = ((ImageButton) findViewById(R.id.show_left_fragment_btn)); mLeftBtn.setVisibility(View.VISIBLE); mLeftBtn.setOnClickListener(this); ImageButton mRightBtn = ((ImageButton) findViewById(R.id.show_right_fragment_btn)); mRightBtn.setVisibility(View.VISIBLE); mRightBtn.setOnClickListener(this); mTitleNameView = (TextView) findViewById(R.id.ivTitleName); mTitleProgressBar = (ProgressBar) findViewById(R.id.ivTitleProgress); mTitleStatusView = (ImageView) findViewById(R.id.ivTitleStatus); mTitleNameView.setText(XMPPHelper.splitJidAndServer(PreferenceUtils .getPrefString(this, PreferenceConstants.ACCOUNT, ""))); mTitleNameView.setOnClickListener(this); mPullRefreshScrollView = (PullToRefreshScrollView) findViewById(R.id.pull_refresh_scrollview); // mPullRefreshScrollView.setMode(Mode.DISABLED); // mPullRefreshScrollView.getLoadingLayoutProxy().setLastUpdatedLabel( // "最近更新：刚刚"); mPullRefreshScrollView .setOnRefreshListener(new OnRefreshListener<ScrollView>() { @Override public void onRefresh( PullToRefreshBase<ScrollView> refreshView) { new GetDataTask().execute(); } }); mIphoneTreeView = (IphoneTreeView) findViewById(R.id.iphone_tree_view); mIphoneTreeView.setHeaderView(getLayoutInflater().inflate( R.layout.contact_buddy_list_group, mIphoneTreeView, false)); mIphoneTreeView.setEmptyView(findViewById(R.id.empty)); mIphoneTreeView .setOnItemLongClickListener(new OnItemLongClickListener() { @Override public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { int groupPos = (Integer) view.getTag(R.id.xxx01); // 参数值是在setTag时使用的对应资源id号 int childPos = (Integer) view.getTag(R.id.xxx02); mLongPressGroupId = groupPos; mLongPressChildId = childPos; if (childPos == -1) {// 长按的是父项 // 根据groupPos判断你长按的是哪个父项，做相应处理（弹框等） showGroupQuickActionBar(view .findViewById(R.id.group_name)); // T.showShort(MainActivity.this, // "LongPress group position = " groupPos); } else { // 根据groupPos及childPos判断你长按的是哪个父项下的哪个子项，然后做相应处理。 // T.showShort(MainActivity.this, // "onClick child position = " groupPos // ":" childPos); showChildQuickActionBar(view .findViewById(R.id.icon)); } return false; } }); mIphoneTreeView.setOnChildClickListener(new OnChildClickListener() { @Override public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) { String userJid = mRosterAdapter.getChild(groupPosition, childPosition).getJid(); String userName = mRosterAdapter.getChild(groupPosition, childPosition).getAlias(); startChatActivity(userJid, userName); return false; } }); } private void startChatActivity(String userJid, String userName) { Intent chatIntent = new Intent(MainActivity.this, ChatActivity.class); Uri userNameUri = Uri.parse(userJid); chatIntent.setData(userNameUri); chatIntent.putExtra(ChatActivity.INTENT_EXTRA_USERNAME, userName); startActivity(chatIntent); } private boolean isConnected() { return mXxService != null && mXxService.isAuthenticated(); } private void showGroupQuickActionBar(View view) { QuickAction quickAction = new QuickAction(this, QuickAction.HORIZONTAL); quickAction .addActionItem(new ActionItem(0, getString(R.string.rename))); quickAction.addActionItem(new ActionItem(1, getString(R.string.add_friend))); quickAction .setOnActionItemClickListener(new OnActionItemClickListener() { @Override public void onItemClick(QuickAction source, int pos, int actionId) { // 如果没有连接直接返回 if (!isConnected()) { T.showShort(MainActivity.this, R.string.conversation_net_error_label); return; } switch (actionId) { case 0: String groupName = mRosterAdapter.getGroup( mLongPressGroupId).getGroupName(); if (TextUtils.isEmpty(groupName)) {// 系统默认分组不允许重命名 T.showShort(MainActivity.this, R.string.roster_group_rename_failed); return; } renameRosterGroupDialog(mRosterAdapter.getGroup( mLongPressGroupId).getGroupName()); break; case 1: new AddRosterItemDialog(MainActivity.this, mXxService).show();// 添加联系人 break; default: break; } } }); quickAction.show(view); quickAction.setAnimStyle(QuickAction.ANIM_GROW_FROM_CENTER); } private void showChildQuickActionBar(View view) { QuickAction quickAction = new QuickAction(this, QuickAction.HORIZONTAL); quickAction.addActionItem(new ActionItem(0, getString(R.string.open))); quickAction .addActionItem(new ActionItem(1, getString(R.string.rename))); quickAction.addActionItem(new ActionItem(2, getString(R.string.move))); quickAction .addActionItem(new ActionItem(3, getString(R.string.delete))); quickAction .setOnActionItemClickListener(new OnActionItemClickListener() { @Override public void onItemClick(QuickAction source, int pos, int actionId) { String userJid = mRosterAdapter.getChild( mLongPressGroupId, mLongPressChildId).getJid(); String userName = mRosterAdapter.getChild( mLongPressGroupId, mLongPressChildId) .getAlias(); switch (actionId) { case 0: startChatActivity(userJid, userName); break; case 1: if (!isConnected()) { T.showShort(MainActivity.this, R.string.conversation_net_error_label); break; } renameRosterItemDialog(userJid, userName); break; case 2: if (!isConnected()) { T.showShort(MainActivity.this, R.string.conversation_net_error_label); break; } moveRosterItemToGroupDialog(userJid); break; case 3: if (!isConnected()) { T.showShort(MainActivity.this, R.string.conversation_net_error_label); break; } removeRosterItemDialog(userJid, userName); break; default: break; } } }); quickAction.show(view); } private void initSlidingMenu() { DisplayMetrics dm = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(dm); int mScreenWidth = dm.widthPixels;// 获取屏幕分辨率宽度 setBehindContentView(R.layout.main_left_layout);// 设置左菜单 FragmentTransaction mFragementTransaction = getSupportFragmentManager() .beginTransaction(); Fragment mFrag = new RecentChatFragment(); mFragementTransaction.replace(R.id.main_left_fragment, mFrag); mFragementTransaction.commit(); // customize the SlidingMenu mSlidingMenu = getSlidingMenu(); mSlidingMenu.setMode(SlidingMenu.LEFT_RIGHT);// 设置是左滑还是右滑，还是左右都可以滑，我这里左右都可以滑 mSlidingMenu.setShadowWidth(mScreenWidth / 40);// 设置阴影宽度 mSlidingMenu.setBehindOffset(mScreenWidth / 8);// 设置菜单宽度 mSlidingMenu.setFadeDegree(0.35f);// 设置淡入淡出的比例 mSlidingMenu.setTouchModeAbove(SlidingMenu.TOUCHMODE_MARGIN); mSlidingMenu.setShadowDrawable(R.drawable.shadow_left);// 设置左菜单阴影图片 mSlidingMenu.setSecondaryShadowDrawable(R.drawable.shadow_right);// 设置右菜单阴影图片 mSlidingMenu.setFadeEnabled(true);// 设置滑动时菜单的是否淡入淡出 mSlidingMenu.setBehindScrollScale(0.333f);// 设置滑动时拖拽效果 } private static final String[] GROUPS_QUERY = new String[] { RosterConstants._ID, RosterConstants.GROUP, }; private static final String[] ROSTER_QUERY = new String[] { RosterConstants._ID, RosterConstants.JID, RosterConstants.ALIAS, RosterConstants.STATUS_MODE, RosterConstants.STATUS_MESSAGE, }; public List<String> getRosterGroups() { // we want all, online and offline List<String> list = new ArrayList<String>(); Cursor cursor = getContentResolver().query(RosterProvider.GROUPS_URI, GROUPS_QUERY, null, null, RosterConstants.GROUP); int idx = cursor.getColumnIndex(RosterConstants.GROUP); cursor.moveToFirst(); while (!cursor.isAfterLast()) { list.add(cursor.getString(idx)); cursor.moveToNext(); } cursor.close(); return list; } public List<String[]> getRosterContacts() { // we want all, online and offline List<String[]> list = new ArrayList<String[]>(); Cursor cursor = getContentResolver().query(RosterProvider.CONTENT_URI, ROSTER_QUERY, null, null, RosterConstants.ALIAS); int JIDIdx = cursor.getColumnIndex(RosterConstants.JID); int aliasIdx = cursor.getColumnIndex(RosterConstants.ALIAS); cursor.moveToFirst(); while (!cursor.isAfterLast()) { String jid = cursor.getString(JIDIdx); String alias = cursor.getString(aliasIdx); if ((alias == null) || (alias.length() == 0)) alias = jid; list.add(new String[] { jid, alias }); cursor.moveToNext(); } cursor.close(); return list; } protected void setViewImage(ImageView v, String value) { int presenceMode = Integer.parseInt(value); int statusDrawable = getIconForPresenceMode(presenceMode); v.setImageResource(statusDrawable); if (statusDrawable == R.drawable.status_busy) v.setVisibility(View.INVISIBLE); } private int getIconForPresenceMode(int presenceMode) { return StatusMode.values()[presenceMode].getDrawableId(); } @Override public void onClick(View v) { switch (v.getId()) { case R.id.show_left_fragment_btn: mSlidingMenu.showMenu(true); break; case R.id.show_right_fragment_btn: mSlidingMenu.showSecondaryMenu(true); break; case R.id.ivTitleName: if (isConnected()) showStatusQuickAction(v); break; default: break; } } private void showStatusQuickAction(View v) { QuickAction quickAction = new QuickAction(this, QuickAction.VERTICAL); quickAction.addActionItem(new ActionItem(ID_CHAT, getString(R.string.status_chat), getResources().getDrawable( R.drawable.status_qme))); quickAction.addActionItem(new ActionItem(ID_AVAILABLE, getString(R.string.status_available), getResources() .getDrawable(R.drawable.status_online))); quickAction.addActionItem(new ActionItem(ID_AWAY, getString(R.string.status_away), getResources().getDrawable( R.drawable.status_leave))); quickAction.addActionItem(new ActionItem(ID_XA, getString(R.string.status_xa), getResources().getDrawable( R.drawable.status_invisible))); quickAction.addActionItem(new ActionItem(ID_DND, getString(R.string.status_dnd), getResources().getDrawable( R.drawable.status_shield))); quickAction .setOnActionItemClickListener(new OnActionItemClickListener() { @Override public void onItemClick(QuickAction source, int pos, int actionId) { // TODO Auto-generated method stub if (!isConnected()) { T.showShort(MainActivity.this, R.string.conversation_net_error_label); return; } switch (actionId) { case ID_CHAT: mTitleStatusView .setImageResource(R.drawable.status_qme); PreferenceUtils.setPrefString(MainActivity.this, PreferenceConstants.STATUS_MODE, PreferenceConstants.CHAT); PreferenceUtils.setPrefString(MainActivity.this, PreferenceConstants.STATUS_MESSAGE, getString(R.string.status_chat)); break; case ID_AVAILABLE: mTitleStatusView .setImageResource(R.drawable.status_online); PreferenceUtils.setPrefString(MainActivity.this, PreferenceConstants.STATUS_MODE, PreferenceConstants.AVAILABLE); PreferenceUtils.setPrefString(MainActivity.this, PreferenceConstants.STATUS_MESSAGE, getString(R.string.status_available)); break; case ID_AWAY: mTitleStatusView .setImageResource(R.drawable.status_leave); PreferenceUtils.setPrefString(MainActivity.this, PreferenceConstants.STATUS_MODE, PreferenceConstants.AWAY); PreferenceUtils.setPrefString(MainActivity.this, PreferenceConstants.STATUS_MESSAGE, getString(R.string.status_away)); break; case ID_XA: mTitleStatusView .setImageResource(R.drawable.status_invisible); PreferenceUtils.setPrefString(MainActivity.this, PreferenceConstants.STATUS_MODE, PreferenceConstants.XA); PreferenceUtils.setPrefString(MainActivity.this, PreferenceConstants.STATUS_MESSAGE, getString(R.string.status_xa)); break; case ID_DND: mTitleStatusView .setImageResource(R.drawable.status_shield); PreferenceUtils.setPrefString(MainActivity.this, PreferenceConstants.STATUS_MODE, PreferenceConstants.DND); PreferenceUtils.setPrefString(MainActivity.this, PreferenceConstants.STATUS_MESSAGE, getString(R.string.status_dnd)); break; default: break; } mXxService.setStatusFromConfig(); SettingsFragment fragment = (SettingsFragment) getSupportFragmentManager() .findFragmentById(R.id.main_right_fragment); fragment.readData(); } }); quickAction.show(v); } public abstract class EditOk { abstract public void ok(String result); } void removeChatHistory(final String JID) { getContentResolver().delete(ChatProvider.CONTENT_URI, ChatProvider.ChatConstants.JID " = ?", new String[] { JID }); } void removeRosterItemDialog(final String JID, final String userName) { new CustomDialog.Builder(this) .setTitle(R.string.deleteRosterItem_title) .setMessage( getString(R.string.deleteRosterItem_text, userName, JID)) .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { mXxService.removeRosterItem(JID); } }) .setNegativeButton(android.R.string.no, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }).create().show(); } private void editTextDialog(int titleId, CharSequence message, String text, final EditOk ok) { LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE); View layout = inflater.inflate(R.layout.edittext_dialog, null); TextView messageView = (TextView) layout.findViewById(R.id.text); messageView.setText(message); final EditText input = (EditText) layout.findViewById(R.id.editText); input.setTransformationMethod(android.text.method.SingleLineTransformationMethod .getInstance()); input.setText(text); new CustomDialog.Builder(this) .setTitle(titleId) .setView(layout) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { String newName = input.getText().toString(); if (newName.length() != 0) ok.ok(newName); } }) .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }).create().show(); } void renameRosterItemDialog(final String JID, final String userName) { editTextDialog(R.string.RenameEntry_title, getString(R.string.RenameEntry_summ, userName, JID), userName, new EditOk() { public void ok(String result) { if (mXxService != null) mXxService.renameRosterItem(JID, result); } }); } void renameRosterGroupDialog(final String groupName) { editTextDialog(R.string.RenameGroup_title, getString(R.string.RenameGroup_summ, groupName), groupName, new EditOk() { public void ok(String result) { if (mXxService != null) mXxService.renameRosterGroup(groupName, result); } }); } void moveRosterItemToGroupDialog(final String jabberID) { LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE); View group = inflater .inflate(R.layout.moverosterentrytogroupview, null); final GroupNameView gv = (GroupNameView) group .findViewById(R.id.moverosterentrytogroupview_gv); gv.setGroupList(getRosterGroups()); new CustomDialog.Builder(this) .setTitle(R.string.MoveRosterEntryToGroupDialog_title) .setView(group) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { L.d("new group: " gv.getGroupName()); if (isConnected()) mXxService.moveRosterItemToGroup(jabberID, gv.getGroupName()); } }) .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }).create().show(); } @Override public void onNetChange() { if (NetUtil.getNetworkState(this) == NetUtil.NETWORN_NONE) { T.showShort(this, R.string.net_error_tip); mNetErrorView.setVisibility(View.VISIBLE); } else { mNetErrorView.setVisibility(View.GONE); } } private void setStatusImage(boolean isConnected) { if (!isConnected) { mTitleStatusView.setVisibility(View.GONE); return; } String statusMode = PreferenceUtils.getPrefString(this, PreferenceConstants.STATUS_MODE, PreferenceConstants.AVAILABLE); int statusId = mStatusMap.get(statusMode); if (statusId == -1) { mTitleStatusView.setVisibility(View.GONE); } else { mTitleStatusView.setVisibility(View.VISIBLE); mTitleStatusView.setImageResource(statusId); } } @Override public void connectionStatusChanged(int connectedState, String reason) { switch (connectedState) { case XXService.CONNECTED: mTitleNameView.setText(XMPPHelper.splitJidAndServer(PreferenceUtils .getPrefString(MainActivity.this, PreferenceConstants.ACCOUNT, ""))); mTitleProgressBar.setVisibility(View.GONE); // mTitleStatusView.setVisibility(View.GONE); setStatusImage(true); break; case XXService.CONNECTING: mTitleNameView.setText(R.string.login_prompt_msg); mTitleProgressBar.setVisibility(View.VISIBLE); mTitleStatusView.setVisibility(View.GONE); break; case XXService.DISCONNECTED: mTitleNameView.setText(R.string.login_prompt_no); mTitleProgressBar.setVisibility(View.GONE); mTitleStatusView.setVisibility(View.GONE); T.showLong(this, reason); break; default: break; } } @Override public XXService getService() { return mXxService; } @Override public MainActivity getMainActivity() { return this; } public void updateRoster() { mRosterAdapter.requery(); } private class RosterObserver extends ContentObserver { public RosterObserver() { super(mainHandler); } public void onChange(boolean selfChange) { L.d(MainActivity.class, "RosterObserver.onChange: " selfChange); if (mRosterAdapter != null) mainHandler.postDelayed(new Runnable() { public void run() { updateRoster(); } }, 100); } } private class GetDataTask extends AsyncTask<Void, Void, String[]> { @Override protected void onPreExecute() { super.onPreExecute(); // if (mPullRefreshScrollView.getState() != State.REFRESHING) // mPullRefreshScrollView.setState(State.REFRESHING, true); } @Override protected String[] doInBackground(Void... params) { // Simulates a background job. if (!isConnected()) {// 如果没有连接重新连接 String usr = PreferenceUtils.getPrefString(MainActivity.this, PreferenceConstants.ACCOUNT, ""); String password = PreferenceUtils.getPrefString( MainActivity.this, PreferenceConstants.PASSWORD, ""); mXxService.Login(usr, password); } try { Thread.sleep(2000); } catch (InterruptedException e) { } return null; } @Override protected void onPostExecute(String[] result) { // Do some stuff here // Call onRefreshComplete when the list has been refreshed. mRosterAdapter.requery();// 重新查询一下数据库 mPullRefreshScrollView.onRefreshComplete(); // mPullRefreshScrollView.getLoadingLayoutProxy().setLastUpdatedLabel( // "最近更新：刚刚"); T.showShort(MainActivity.this, "刷新成功!"); super.onPostExecute(result); } }} |
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