SplashActivity.java

package com.sets.speedtest.activity;

import java.lang.ref.WeakReference;

import org.json.JSONObject;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.content.LocalBroadcastManager;

import com.sets.speedtest.R;
import com.sets.speedtest.common.CommDialog;
import com.sets.speedtest.constant.C;
import com.sets.speedtest.manager.SharedPreferencesManager;
import com.sets.speedtest.manager.http.BaseResponseHandler;
import com.sets.speedtest.manager.http.WSClient;
import com.sets.speedtest.receiver.ConnectionChangeReceiver;
import com.sets.speedtest.utils.ResponseParser;
import com.sets.speedtest.utils.ViewUtils;

/**
 * 进入应用的闪屏
 * 
 * @author : lipan
 * @create_time : 2014年8月26日 上午2:04:50
 * @desc :
 * @update_person:
 * @update_time :
 * @update_desc :
 *
 */
public class SplashActivity extends BaseActivity
{
    private static final long DURATION = 1000; // 闪屏的显示时长

    protected static final String TAG = "com.sets.speedtest.activity.SplashActivity";

    private Handler myHandler = new MyHandler(this);

    private ConnectionOKReceiver connectionOKReceiver;

    private LocalBroadcastManager localBroadcastManager;

    private static class MyHandler extends Handler
    {
        private WeakReference<SplashActivity> activity;

        public MyHandler(SplashActivity activity)
        {
            this.activity = new WeakReference<SplashActivity>(activity);
        }

        @Override
        public void handleMessage(Message msg)
        {
            SplashActivity _this = activity.get();
            if (_this == null)
                return;

            _this.handleMessage();
        }
    }

    /**
     * handleMessage
     */
    private void handleMessage()
    {
        finish();
        startActivity(AddCampusActivity.class);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_splash);

        connectionOKReceiver = new ConnectionOKReceiver();
        localBroadcastManager = LocalBroadcastManager.getInstance(getContext());
        // 注册网络变化广播
        localBroadcastManager.registerReceiver(connectionOKReceiver, new IntentFilter(
                ConnectionChangeReceiver.CONNECTION_OK));

        if (!ViewUtils.checkNetworkWithDialog(this))
        {
            return;
        }
        /**
         * 获得基本信息
         */
        WSClient.postJson(getApplicationContext(), C.WS_GET_BASE_INFO, null,
                new BaseResponseHandler()
                {

                    @Override
                    public void onSuccess(int statusCode, JSONObject response)
                    {
                        ResponseParser handler = ResponseParser.handler(getApplicationContext(),
                                response);
                        if (handler.success)
                        {
                            SharedPreferencesManager.getInstance().setUploadUrl(
                                    handler.data.optString("uploadUrl"));
                            SharedPreferencesManager.getInstance().setDownloadUrl(
                                    handler.data.optString("downloadUrl"));
                            SharedPreferencesManager.getInstance().setDownloadUrlHost(
                                    handler.data.optString("downloadUrlHost"));
                            SharedPreferencesManager.getInstance().setDownloadUrlPort(
                                    handler.data.optString("downloadUrlPort"));
                            SharedPreferencesManager.getInstance().setDownloadUrlPath(
                                    handler.data.optString("downloadUrlPath"));
                            SharedPreferencesManager.getInstance().setComments(
                                    handler.data.optString("comments"));
                            SharedPreferencesManager.getInstance().setFormulaNum(
                                    handler.data.optInt("formulaNum"));
                        }
                    }
                });

        myHandler.sendEmptyMessageDelayed(0, DURATION);
    }

    @Override
    protected void onDestroy()
    {
        super.onDestroy();
        myHandler.removeCallbacksAndMessages(null);
        localBroadcastManager.unregisterReceiver(connectionOKReceiver);
    }

    /**
     * 联网后自动进入应用
     */
    private class ConnectionOKReceiver extends BroadcastReceiver
    {
        @Override
        public void onReceive(Context context, Intent intent)
        {
            CommDialog.dismiss();
            myHandler.sendEmptyMessageDelayed(0, DURATION);
        }

    }

}