uaswms/app/src/main/java/com/uas/pda_wms/activity/SplashActivity.java

package com.uas.pda_wms.activity;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.WindowManager;

import com.uas.pda_wms.R;
import com.uas.pda_wms.application.PdaApplication;
import com.uas.pda_wms.global.GloableParams;
import com.uas.pda_wms.tools.DataSourceManager;
import com.uas.pda_wms.tools.SharedPreUtil;
import com.uas.pda_wms.tools.VolleyUtil;
import com.uas.pda_wms.util.CommonUtil;
import com.uas.pda_wms.util.Constants;

import java.util.List;
import java.util.Map;

/**
 * 应用开机启动页面
 * Created by RaoMeng on 2017/4/10.
 */
public class SplashActivity extends BaseActivity {
    private String cacheUri;
    private String mIp, mPort;
    private long startLoginTime;

    private Handler mHandler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            long time = System.currentTimeMillis() - startLoginTime;
            switch (msg.what) {
                //连接成功
                case VolleyUtil.SUCCESS_SUCCESS:
                    //添加缓存
                    saveCache(mIp, mPort);
                    if (time <= 2000) {
                        mHandler.postDelayed(new Runnable() {
                            @Override
                            public void run() {
                                startLogin();
                            }
                        }, 2000 - time);
                    } else {
                        startLogin();
                    }
                    break;
                //连接失败
                case VolleyUtil.FAILED_FAILED:
                    String notice = (String) msg.obj;
                    CommonUtil.toastNoRepeat(SplashActivity.this, notice);
                    if (time <= 2000) {
                        mHandler.postDelayed(new Runnable() {
                            @Override
                            public void run() {
                                startServer();
                            }
                        }, 2000 - time);
                    } else {
                        startServer();
                    }
                    break;
            }
        }
    };

    private void startLogin() {
        Intent intent = new Intent();
        intent.setClass(SplashActivity.this, MainActivity.class);
        intent.putExtra("isConnected", true);
        startActivity(intent);
        finish();
    }

    private void startServer() {
        Intent intent = new Intent();
        intent.setClass(SplashActivity.this, MainActivity.class);
        intent.putExtra("isConnected", false);
        startActivity(intent);
        finish();
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

    }

    @Override
    protected void initViews() {
        if ((getIntent().getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) {
            finish();
            return;
        }
//        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
//        CommonUtil.initStatusBar(this, R.color.transparent);
        setContentView(R.layout.activity_splash);
    }

    @Override
    protected void initEvents() {

    }

    @Override
    protected void initDatas() {
        if ((getIntent().getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) {
            finish();
            return;
        }
        loadCache();
    }

    //加载缓存
    private void loadCache() {
        cacheUri = SharedPreUtil.getString(this, SharedPreUtil.KEY_URI, null);
        //Toast.makeText(getActivity(),cacheUri,Toast.LENGTH_SHORT).show();
        //当缓存不为空
        if (cacheUri != null) {
            //将缓存数据加载到数据源UriList
            DataSourceManager.getDataSourceManager().setUriList(cacheUri);
            List<Map<String, String>> list = DataSourceManager.getDataSourceManager().getUriList();
            mIp = list.get(0).get(DataSourceManager.KEY_IP);
            mPort = list.get(0).get(DataSourceManager.KEY_PORT);

            startLoginTime = System.currentTimeMillis();
            String mSystemCache = SharedPreUtil.getString(this, Constants.FLAG.SELECTED_SYSTEM_CACHE, "ERP");
            connect(mIp, mPort, mSystemCache);
        } else {
            mHandler.postDelayed(new Runnable() {
                @Override
                public void run() {
                    startServer();
                }
            }, 2000);
        }
    }

    private void connect(String ip, String port, String site) {
        String url = getIPAddress(ip, port, site);
        //传递Handler对象给Volley
        VolleyUtil.setVolleyHandler(mHandler);
        //连接服务器
        VolleyUtil.getVolleyUtil().requestConnectServer(this, url, VolleyUtil.METHOD_POST, VolleyUtil.FRAGMENT_CONNECTSERVER);
    }

    //添加缓存
    private void saveCache(String ip, String port) {
        cacheUri = DataSourceManager.getDataSourceManager().addUriItem(ip, port);
        SharedPreUtil.saveString(this, SharedPreUtil.KEY_URI, cacheUri);
    }

    //拼接IP地址
    private String getIPAddress(String ip, String port, String site) {
        //将IP和port保存
        Context ct = getApplicationContext() == null ? PdaApplication.getmContext() :
                getApplicationContext();
        GloableParams.setUri(ip, port, site, ct);
        /*
         * http://IP+端口/ERP/请求路径
         * http://192.168.253.111:8090/ERP/oa/info/getPagingRelease.action*/
        //   String applyAddr = "http://" + GloableParams.IP + ":" + GloableParams.PORT + GloableParams.ADDRESS_CONNECT_SERVER;
        return GloableParams.ADDRESS_CONNECT_SERVER;
    }
}