Java tutorial
/* * Copyright 2013 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.melbournestore.activities; import android.app.Activity; import android.app.AlertDialog; import android.app.Fragment; import android.app.FragmentManager; import android.content.DialogInterface; import android.content.Intent; import android.content.res.Configuration; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.ActionBarDrawerToggle; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.util.Log; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.ListView; import android.widget.Toast; import com.google.gson.Gson; import com.melbournestore.adaptors.DrawerListAdapter; import com.melbournestore.application.SysApplication; import com.melbournestore.db.DataResourceUtils; import com.melbournestore.db.SharedPreferenceUtils; import com.melbournestore.fragments.GoogleMapFragment; import com.melbournestore.fragments.MyOrdersFragment; import com.melbournestore.fragments.PlateFragment; import com.melbournestore.fragments.RecommandationFragment; import com.melbournestore.models.Coupon; import com.melbournestore.models.Order_user; import com.melbournestore.models.Plate; import com.melbournestore.models.Shop; import com.melbournestore.models.Suburb; import com.melbournestore.models.User; import com.melbournestore.models.user_coupon; import com.melbournestore.models.user_iphone; import com.melbournestore.network.AreaManagerThread; import com.melbournestore.utils.FontManager; import com.nostra13.universalimageloader.core.DisplayImageOptions; /** * This example illustrates a common usage of the DrawerLayout widget in the * Android support library. * <p/> * <p> * When a navigation (left) drawer is present, the host activity should detect * presses of the action bar's Up affordance as a signal to open and close the * navigation drawer. The ActionBarDrawerToggle facilitates this behavior. Items * within the drawer should fall into one of two categories: * </p> * <p/> * <ul> * <li><strong>View switches</strong>. A view switch follows the same basic * policies as list or tab navigation in that a view switch does not create * navigation history. This pattern should only be used at the root activity of * a task, leaving some form of Up navigation active for activities further down * the navigation hierarchy.</li> * <li><strong>Selective Up</strong>. The drawer allows the user to choose an * alternate parent for Up navigation. This allows a user to jump across an * app's navigation hierarchy at will. The application should treat this as it * treats Up navigation from a different task, replacing the current task stack * using TaskStackBuilder or similar. This is the only form of navigation drawer * that should be used outside of the root activity of a task.</li> * </ul> * <p/> * <p> * Right side drawers should be used for actions, not navigation. This follows * the pattern established by the Action Bar that navigation should be to the * left and actions to the right. An action should be an operation performed on * the current contents of the window, for example enabling or disabling a data * overlay on top of the current content. * </p> */ public class MainActivity extends Activity { private static final String TAG = "Melbourne"; private static final boolean DEBUG = false; private static final int LOGIN_CODE = 1; private static final int MY_ACCOUNT_CODE = 7; Fragment plate_fragment; Fragment myorders_fragment; Fragment googlemap_fragment; Fragment recommandation_fragment; DisplayImageOptions options; //= new user_iphone("","","",0,"",new Suburb(0, "", "", "")); Gson gson = new Gson(); private DrawerLayout mDrawerLayout; private ListView mDrawerList; private DrawerListAdapter mDrawerListAdapter; private ActionBarDrawerToggle mDrawerToggle; private CharSequence mDrawerTitle; private CharSequence mTitle; private String[] mMenuTitles; private Handler mHandler = new Handler() { }; private long mExitTime; private int mOrderNum; private int mCouponNum; private user_iphone mUser; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); FontManager.getContentView(this); SysApplication.getInstance().addActivity(this); // if(MelbourneUtils.isOpenNetwork(this)){ // showNotice("?,WIFI3G"); // SysApplication.getInstance().exit(); // } if (SharedPreferenceUtils.getFirstTimeLaunch(this)) { //SharedPreferenceUtils.saveFirstTimeLaunch(MainActivity.this); mUser = new user_iphone("", "", "", 0, "", new Suburb(0, "", "", "")); SharedPreferenceUtils.saveLoginUser(MainActivity.this, gson.toJson(mUser)); // user_coupon coupon = new user_coupon(); // coupon.setId(0); SharedPreferenceUtils.saveUserCoupons(MainActivity.this, gson.toJson(new user_coupon(-1, -1, -1, "", new Coupon(-1, "", "", "", -1, "", "", -1, -1)))); SharedPreferenceUtils.saveDeliveryTime(MainActivity.this, ""); SharedPreferenceUtils.saveRemark(MainActivity.this, ""); SharedPreferenceUtils.saveContactNumber(MainActivity.this, ""); } else { String mUserString = SharedPreferenceUtils.getLoginUser(this); Log.d("LOGIN", mUserString); mUser = gson.fromJson(mUserString, user_iphone.class); } AreaManagerThread mAreaThread = new AreaManagerThread(mHandler, this); mAreaThread.start(); // GetCsrfThread mCsrfThread = new GetCsrfThread(mHandler, this); // mCsrfThread.start(); plate_fragment = new PlateFragment(); plate_fragment.onAttach(this); myorders_fragment = new MyOrdersFragment(); myorders_fragment.onAttach(this); googlemap_fragment = new GoogleMapFragment(); googlemap_fragment.onAttach(this); recommandation_fragment = new RecommandationFragment(); recommandation_fragment.onAttach(this); mTitle = mDrawerTitle = getTitle(); mMenuTitles = DataResourceUtils.drawerItemsTitles; mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); mDrawerList = (ListView) findViewById(R.id.left_drawer); // set a custom shadow that overlays the main content when the drawer // opens mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START); // set up the drawer's list view with items and click listener // mDrawerList.setAdapter(new ArrayAdapter<String>(this, // R.layout.drawer_list_item, mMenuTitles)); // mDrawerList.setOnItemClickListener(new DrawerItemClickListener()); options = new DisplayImageOptions.Builder().showStubImage(R.drawable.loading_ads) //ImageView .showImageForEmptyUri(R.drawable.loading_ads) //image? .showImageOnFail(R.drawable.loading_ads) //image .cacheInMemory(true) // .cacheOnDisc(true) //? .build(); mDrawerListAdapter = new DrawerListAdapter(MainActivity.this, mHandler, options, mUser); mDrawerList.setAdapter(mDrawerListAdapter); mDrawerList.setOnItemClickListener(new DrawerItemClickListener()); // enable ActionBar app icon to behave as action to toggle nav drawer getActionBar().setDisplayHomeAsUpEnabled(true); getActionBar().setHomeButtonEnabled(true); // ActionBarDrawerToggle ties together the the proper interactions // between the sliding drawer and the action bar app icon mDrawerToggle = new ActionBarDrawerToggle(this, /* host Activity */ mDrawerLayout, /* DrawerLayout object */ R.drawable.ic_drawer, /* nav drawer image to replace 'Up' caret */ R.string.drawer_open, /* "open drawer" description for accessibility */ R.string.drawer_close /* "close drawer" description for accessibility */ ) { public void onDrawerClosed(View view) { getActionBar().setTitle(mTitle); invalidateOptionsMenu(); // creates call to // onPrepareOptionsMenu() } public void onDrawerOpened(View drawerView) { getActionBar().setTitle(mDrawerTitle); invalidateOptionsMenu(); // creates call to // onPrepareOptionsMenu() } }; mDrawerLayout.setDrawerListener(mDrawerToggle); if (savedInstanceState == null) { selectItem(1); } } @Override protected void onResume() { super.onResume(); String mUserString = SharedPreferenceUtils.getLoginUser(this); mUser = gson.fromJson(mUserString, user_iphone.class); getActionBar().setTitle(mTitle); mDrawerListAdapter.refresh(mUser); mDrawerList.setAdapter(mDrawerListAdapter); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.main, menu); return super.onCreateOptionsMenu(menu); } /* Called whenever we call invalidateOptionsMenu() */ @Override public boolean onPrepareOptionsMenu(Menu menu) { // If the nav drawer is open, hide action items related to the content // view boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList); menu.findItem(R.id.web_search).setVisible(false); return super.onPrepareOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { // The action bar home/up action should open or close the drawer. // ActionBarDrawerToggle will take care of this. if (mDrawerToggle.onOptionsItemSelected(item)) { return true; } switch (item.getItemId()) { case R.id.web_search: return true; case R.id.search_plate: // Not implemented here return false; case R.id.chat: // Not implemented here return false; default: return super.onOptionsItemSelected(item); } } protected void onActivityResult(int requestCode, int resultCode, Intent data) { selectItem(1); if (requestCode == LOGIN_CODE) { if (resultCode == RESULT_OK) { // get the ID of the client String users_string = data.getStringExtra("user"); mOrderNum = data.getIntExtra("order_num", 0); mCouponNum = data.getIntExtra("coupon_num", 0); Log.d("LOGIN", "Main Activity: " + users_string); mUser = gson.fromJson(users_string, user_iphone.class); mDrawerListAdapter.refresh(mUser); mDrawerList.setAdapter(mDrawerListAdapter); mDrawerLayout.openDrawer(mDrawerList); selectItem(1); } if (resultCode == RESULT_CANCELED) { // Write your code if there's no result } } else if (requestCode == MY_ACCOUNT_CODE) { if (resultCode == RESULT_OK) { // get the profile photo mDrawerListAdapter.refresh(mUser); mDrawerList.setAdapter(mDrawerListAdapter); mDrawerLayout.openDrawer(mDrawerList); selectItem(1); } } }// onActivityResult private void showNotice(String text) { new AlertDialog.Builder(MainActivity.this).setMessage(text) .setPositiveButton("", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialoginterface, int i) { } }).show(); } private void selectItem(int position) { FragmentManager fragmentManager = getFragmentManager(); // update the main content by replacing fragments switch (position) { case 0: // mDrawerList.setItemChecked(position, true); // setTitle(mMenuTitles[position]); // Not logged in yet if (mUser.getPhoneNumber().equals("")) { Intent intent = new Intent(this, SignUpActivity.class); startActivityForResult(intent, LOGIN_CODE); } else { Intent intent = new Intent(this, MyAccountActivity.class); intent.putExtra("user", gson.toJson(mUser)); intent.putExtra("order_num", mOrderNum); intent.putExtra("coupon_num", mCouponNum); startActivityForResult(intent, MY_ACCOUNT_CODE); } mDrawerLayout.closeDrawer(mDrawerList); break; case 1: // Fragment plate_fragment = new PlateFragment(this); fragmentManager.beginTransaction().replace(R.id.content_frame, plate_fragment).commit(); // update selected myorder_list_item and title, then close the drawer mDrawerList.setItemChecked(position, true); setTitle(mMenuTitles[position - 1]); mDrawerLayout.closeDrawer(mDrawerList); break; case 2: // Fragment myorders_fragment = new MyOrdersFragment(); if (mUser.getPhoneNumber().equals("")) { Intent intent = new Intent(MainActivity.this, SignUpActivity.class); startActivity(intent); } else { fragmentManager.beginTransaction().replace(R.id.content_frame, myorders_fragment).commit(); // update selected myorder_list_item and title, then close the drawer mDrawerList.setItemChecked(position, true); setTitle(mMenuTitles[position - 1]); mDrawerLayout.closeDrawer(mDrawerList); } break; case 3: // Fragment googlemap_fragment = new GoogleMapFragment(this); fragmentManager.beginTransaction().replace(R.id.content_frame, googlemap_fragment).commit(); mDrawerList.setItemChecked(position, true); setTitle(mMenuTitles[position - 1]); mDrawerLayout.closeDrawer(mDrawerList); break; case 4: AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage("Coming soon!").setCancelable(false).setPositiveButton("?", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { //do things } }); AlertDialog alert = builder.create(); alert.show(); // mDrawerList.setItemChecked(position, true); // setTitle(mMenuTitles[position - 1]); // mDrawerLayout.closeDrawer(mDrawerList); break; case 5: fragmentManager.beginTransaction().replace(R.id.content_frame, recommandation_fragment).commit(); mDrawerList.setItemChecked(position, true); setTitle(mMenuTitles[position - 1]); mDrawerLayout.closeDrawer(mDrawerList); break; } } @Override public void setTitle(CharSequence title) { mTitle = title; getActionBar().setTitle(mTitle); } /** * When using the ActionBarDrawerToggle, you must call it during * onPostCreate() and onConfigurationChanged()... */ @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); // Sync the toggle state after onRestoreInstanceState has occurred. mDrawerToggle.syncState(); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); // Pass any configuration change to the drawer toggls mDrawerToggle.onConfigurationChanged(newConfig); } private void setUpCurrentChoice() { Shop[] shops = new Shop[DataResourceUtils.shopItems.length]; for (int i = 0; i < shops.length; i++) { Shop shop = new Shop(); Plate[] plates = new Plate[DataResourceUtils.plateNames[i].length]; for (int j = 0; j < plates.length; j++) { Plate plate = new Plate(); plate.setName(DataResourceUtils.plateNames[i][j]); plate.setPrice(DataResourceUtils.platePrices[i][j]); plate.setNumber(0); plate.setStockMax(DataResourceUtils.plateStockMax[i][j]); plate.setLikeNum(DataResourceUtils.plateLikeNumbers[i][j]); plate.setImageId(DataResourceUtils.plateImages[i][j]); plate.setShopId(i); plate.setPlateId(j); plates[j] = plate; } shop.setPlates(plates); shops[i] = shop; } Gson gson = new Gson(); String shopsJson = gson.toJson(shops); SharedPreferenceUtils.saveCurrentChoice(this, shopsJson); } private void setUpCurrentOrder() { Gson gson = new Gson(); Order_user order = new Order_user(); order.setDeliveryTime(""); order.setRemark(""); SharedPreferenceUtils.saveCurrentOrder(this, gson.toJson(order)); } private void setUpLoginUser() { String users_string = SharedPreferenceUtils.getLoginUser(MainActivity.this); Gson gson = new Gson(); User[] users = gson.fromJson(users_string, User[].class); if (users == null) { users = new User[0]; } SharedPreferenceUtils.saveLoginUser(MainActivity.this, gson.toJson(users)); } public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { if ((System.currentTimeMillis() - mExitTime) > 2000) { Toast.makeText(this, "??", Toast.LENGTH_SHORT).show(); mExitTime = System.currentTimeMillis(); } else { SysApplication.getInstance().exit(); } return true; } return super.onKeyDown(keyCode, event); } /* The click listner for ListView in the navigation drawer */ private class DrawerItemClickListener implements ListView.OnItemClickListener { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { selectItem(position); // Log.d(TAG, String.valueOf(position)+" drawer myorder_list_item clicked"); } } }