am.hour.beebird.Activity.MainActivity.java Source code

Java tutorial

Introduction

Here is the source code for am.hour.beebird.Activity.MainActivity.java

Source

/*
 * 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 am.hour.beebird.Activity;

import java.util.HashMap;

import am.hour.beebird.Fragment.JobFragment;
import am.hour.beebird.Fragment.LikedFragment;
import am.hour.beebird.Fragment.LoginFragment;
import am.hour.beebird.Fragment.PersonalFragment;
import am.hour.beebird.Fragment.SettingFragment;
import am.hour.beebird.niftydialogeffects.Effectstype;
import am.hour.beebird.niftydialogeffects.NiftyDialogBuilder;
import am.hour.beebird.utils.Constant;
import am.hour.beebird.utils.DBUtil4Image;
import am.hour.beebird.utils.PicLoadUtil;
import am.hour.beebird.utils.SharedPreferenceUtil;
import am.hour.unknown.R;
import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.util.DisplayMetrics;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {

    static int init_people_pic = 0;

    HashMap<Integer, Fragment> fragments = new HashMap<Integer, Fragment>();
    static Fragment fragment = null;

    static int recent_fragment_number = -1;

    private LinearLayout ll_person;
    private LinearLayout ll_random;
    private LinearLayout ll_liked;
    private LinearLayout ll_setting;

    private ImageView iv_ll_person_pic;
    private TextView tv_ll_person_username;

    private DrawerLayout mDrawerLayout;
    private LinearLayout mDrawerLeftLayout;
    private ActionBarDrawerToggle mDrawerToggle;

    private CharSequence mDrawerTitle;
    private CharSequence mTitle;

    private ActionBar actionbar;
    public static SharedPreferenceUtil spu = null;
    public static DBUtil4Image DBUtil = null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);
        setContentView(R.layout.activity_main);
        //?sharedpreference?
        spu = new SharedPreferenceUtil();
        DBUtil = new DBUtil4Image();
        actionbar = getActionBar();
        actionbar.setBackgroundDrawable(PicLoadUtil.getActionBarDrawable());
        mTitle = mDrawerTitle = getTitle();
        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerLeftLayout = (LinearLayout) findViewById(R.id.ll_left_drawer);
        ll_person = (LinearLayout) findViewById(R.id.ll_person);
        ll_random = (LinearLayout) findViewById(R.id.ll_random);
        ll_liked = (LinearLayout) findViewById(R.id.ll_liked);
        ll_setting = (LinearLayout) findViewById(R.id.ll_setting);

        iv_ll_person_pic = (ImageView) findViewById(R.id.people_logo);
        tv_ll_person_username = (TextView) findViewById(R.id.people_name);
        //??????
        updatePersonalInfoLeftDrawer();
        // set a custom shadow that overlays the main content when the drawer opens
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);

        LeftLayoutClickListener llcl = new LeftLayoutClickListener();

        mDrawerLeftLayout.setOnClickListener(llcl);
        ll_person.setOnClickListener(llcl);
        ll_random.setOnClickListener(llcl);
        ll_liked.setOnClickListener(llcl);
        ll_setting.setOnClickListener(llcl);

        // enable ActionBar app icon to behave as action to toggle nav drawer
        actionbar.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) {
                actionbar.show();
                actionbar.setTitle(mTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()

            }

            public void onDrawerOpened(View drawerView) {
                if (!(recent_fragment_number == -1) && !fragment.equals(null))
                    fragments.put(recent_fragment_number, fragment);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()

            }

            // Called when a drawer's position changes.
            public void onDrawerSlide(View drawerView, float slideOffset) {
                if (slideOffset == 0) {
                    actionbar.show();
                } else {
                    actionbar.hide();
                }

            }

        };
        mDrawerLayout.setDrawerListener(mDrawerToggle);

        if (savedInstanceState == null) {

            selectItem(1, Constant.NORMAL_ENTRY);
            recent_fragment_number = 1;
            setTitle(R.string.list_left_one);

        }

    }

    public void updatePersonalInfoLeftDrawer() {
        Bitmap people_logo_DB = DBUtil.getPicFromDB();
        if (people_logo_DB != null)
            iv_ll_person_pic.setBackgroundDrawable(new BitmapDrawable(people_logo_DB));
        else {
            iv_ll_person_pic.setBackgroundDrawable(PicLoadUtil.LoadBitmapDrawable(this, R.drawable.fakelogo));
            DBUtil.savePicInDB(PicLoadUtil.LoadBitmap(this, R.drawable.fakelogo));
        }

        tv_ll_person_username.setText(spu.getStringFromSP("USERNAME", ""));
    }

    public void toast(String toast) {
        Toast.makeText(this, toast, 500).show();
    }

    public void onDestroy() {
        super.onDestroy();
        //?
        DBUtil.closeDB();

    }

    public void onWindowFocusChanged(boolean hasFocus) {
        // TODO Auto-generated method stub
        super.onWindowFocusChanged(hasFocus);
        Rect frame = new Rect();
        getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
        MainApplication.setActionbarHeight(getActionBar().getHeight());
        spu.saveIntInSP("ACTIONBAR_HEIGHT", getActionBar().getHeight());
    }

    @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(mDrawerLeftLayout);
        //        menu.findItem(R.id.action_websearch).setVisible(!drawerOpen);
        menu.findItem(R.id.action_websearch).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;
        }
        // Handle action buttons
        switch (item.getItemId()) {
        case R.id.action_websearch:
            //            // create intent to perform web search for this planet
            //            Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
            //            intent.putExtra(SearchManager.QUERY, getActionBar().getTitle());
            //            // catch event that there's no activity to handle intent
            //            if (intent.resolveActivity(getPackageManager()) != null) {
            //                startActivity(intent);
            //            } else {
            //                Toast.makeText(this, R.string.app_not_available, Toast.LENGTH_LONG).show();
            //            }
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    /* The click listner for ListView in the navigation drawer */

    private class LeftLayoutClickListener implements View.OnClickListener {

        @Override
        public void onClick(View v) {

            // TODO Auto-generated method stub
            switch (v.getId()) {
            case R.id.ll_person:
                selectItem(0, Constant.NORMAL_ENTRY);
                break;
            case R.id.ll_random:
                selectItem(1, Constant.NORMAL_ENTRY);
                break;
            case R.id.ll_liked:
                selectItem(2, Constant.NORMAL_ENTRY);
                break;
            case R.id.ll_setting:
                selectItem(3, Constant.NORMAL_ENTRY);
                break;
            }
            mDrawerLayout.closeDrawer(mDrawerLeftLayout);
        }
    }
    /*
     * position=0,?
     * position=1,????
     * position=2,?
     * position=3,?
     */

    public void selectItem(int position, int info) {
        // update the main content by replacing fragments
        //??????
        if (position == recent_fragment_number) {
            mDrawerLayout.closeDrawer(mDrawerLeftLayout);
            return;
        }
        if (position == 0) {
            setTitle(R.string.list_left_zero);
            if (fragments.get(position) == null) {
                SharedPreferences sharedpreference = getSharedPreferences("unknown", MODE_PRIVATE);
                int loginornot = sharedpreference.getInt("LOGINORNOT", 0);
                if (loginornot == 0)
                    fragment = new LoginFragment();
                else if (loginornot == 1)
                    fragment = new PersonalFragment();
            } else {

                fragment = fragments.get(position);
            }
            recent_fragment_number = 0;
        }
        if (position == 1) {

            ll_random.setBackgroundResource(R.color.ll_leftdrawer_checked);
            ll_liked.setBackgroundResource(R.color.ll_leftdrawer_nonchecked);
            ll_setting.setBackgroundResource(R.color.ll_leftdrawer_nonchecked);
            setTitle(R.string.list_left_one);
            if (fragments.get(position) == null) {

                fragment = new JobFragment();
            } else {

                fragment = fragments.get(position);

            }
            recent_fragment_number = 1;
        }
        if (position == 2) {
            ll_random.setBackgroundResource(R.color.ll_leftdrawer_nonchecked);
            ll_liked.setBackgroundResource(R.color.ll_leftdrawer_checked);
            ll_setting.setBackgroundResource(R.color.ll_leftdrawer_nonchecked);
            setTitle(R.string.list_left_two);
            if (fragments.get(position) == null) {

                fragment = new LikedFragment();
            } else {

                fragment = fragments.get(position);
            }
            recent_fragment_number = 2;
        }
        if (position == 3) {
            ll_random.setBackgroundResource(R.color.ll_leftdrawer_nonchecked);
            ll_liked.setBackgroundResource(R.color.ll_leftdrawer_nonchecked);
            ll_setting.setBackgroundResource(R.color.ll_leftdrawer_checked);
            setTitle(R.string.list_left_three);
            if (fragments.get(position) == null) {

                fragment = new SettingFragment();
            } else {

                fragment = fragments.get(position);
            }
            recent_fragment_number = 3;
        }

        Bundle args = new Bundle();
        args.putInt(Constant.ARG_FRAGMENT_INFO, info);
        fragment.setArguments(args);

        FragmentManager fragmentManager = getFragmentManager();
        fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit();

        mDrawerLayout.closeDrawer(mDrawerLeftLayout);
    }

    @Override
    public void setTitle(CharSequence title) {
        mTitle = title;
        actionbar.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);
    }

    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            recent_fragment_number = -1;

        } else if (keyCode == KeyEvent.KEYCODE_MENU) {

        } else if (keyCode == KeyEvent.KEYCODE_HOME) {
            // 

        }
        return super.onKeyDown(keyCode, event);
    }

}