wpc
2018-11-27 c52fb0e4d9168e75390b3cf3536d66c06c50d605
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package com.haicaojie.android.ui.mine;
 
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
 
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
import com.haicaojie.android.BasicTextHttpResponseHandler;
import com.haicaojie.android.R;
import com.haicaojie.android.ShoppingApi;
import com.haicaojie.android.entity.Message;
import com.haicaojie.android.ui.BaseActivity;
import com.lcjian.library.content.ConnectivityChangeHelper;
import com.lcjian.library.util.NetUtils;
import com.lcjian.library.util.SingleToast;
import com.umeng.analytics.MobclickAgent;
 
import org.apache.http.Header;
import org.json.JSONObject;
 
import java.util.ArrayList;
import java.util.List;
 
/**
 * Created by weikou2015 on 2018/1/18.
 * 站内信列表
 */
 
public class AppMailActivity extends BaseActivity implements View.OnClickListener {
    TextView tv_left, tv_middle, tv_no_data_hint;
    private ImageView iv_slid_top, iv_no_data;
    SwipeRefreshLayout rl_app_mail;
    RecyclerView rv_app_mail;
    AppMailAdapter adapter;
    int page = 1;
    int count = 1;
    List<Message> mList = new ArrayList<>();
    View bottom;
    private boolean upLoad = false;
    private ConnectivityChangeHelper mChangeHelper;
    private LinearLayout ll_no_net, ll_no_data, ll_request_failture;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_app_mail);
         /*
         * 计算状态栏高度并设置
         */
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            Window window = getWindow();
            window.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS,
                    WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            int result = 0;
            int resourceId = getResources().getIdentifier("status_bar_height",
                    "dimen", "android");
            if (resourceId > 0) {
                result = getResources().getDimensionPixelSize(resourceId);
            }
            //设置状态栏文字颜色及图标为深色
            getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
                    result);
            findViewById(R.id.v_status_bar).setLayoutParams(params);
        } else {
            findViewById(R.id.v_status_bar).setVisibility(View.GONE);
        }
        tv_left = (TextView) findViewById(R.id.tv_top_bar_left);
        tv_middle = (TextView) findViewById(R.id.tv_top_bar_middle);
        rl_app_mail = (SwipeRefreshLayout) findViewById(R.id.srl_app_mail);
        rv_app_mail = (RecyclerView) findViewById(R.id.rv_app_mail);
        iv_slid_top = (ImageView) findViewById(R.id.iv_slid_top);
        bottom = LayoutInflater.from(this).inflate(R.layout.item_recommend_bottom, null);
        adapter = new AppMailAdapter(AppMailActivity.this, mList);
        adapter.addFooterView(bottom);
        bottom.setVisibility(View.GONE);
        rv_app_mail.setLayoutManager(new LinearLayoutManager(AppMailActivity.this));
        rv_app_mail.setAdapter(adapter);
 
        ll_no_net = (LinearLayout) findViewById(R.id.ll_no_net);
        ll_no_data = (LinearLayout) findViewById(R.id.ll_no_data);
        ll_request_failture = (LinearLayout) findViewById(R.id.ll_request_failture);
        tv_no_data_hint = (TextView) findViewById(R.id.tv_no_data_hint);
        iv_no_data = (ImageView) findViewById(R.id.iv_no_data);
        tv_no_data_hint.setText("您目前还未收到任何消息,空空如也~");
        iv_no_data.setImageDrawable(getResources().getDrawable(R.drawable.ic_msg_null));
        findViewById(R.id.iv_net_setting).setOnClickListener(this);
        findViewById(R.id.tv_refresh).setOnClickListener(this);
 
        mChangeHelper = new ConnectivityChangeHelper(this,
                new ConnectivityChangeHelper.OnConnectivityChangeListener() {
 
                    @Override
                    public void onNetworkUnAvailable() {
                    }
 
                    @Override
                    public void onNetworkAvailable() {
                        requestState(0);
                        if (mList.size() == 0) {
                            getMailList();
                        }
                    }
 
                });
 
        rl_app_mail.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                page = 1;
                getMailList();
            }
        });
        rv_app_mail.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
                LinearLayoutManager manager = (LinearLayoutManager) recyclerView.getLayoutManager();
                int first = manager.findFirstVisibleItemPosition();
                int last = manager.findLastVisibleItemPosition();
                int total = manager.getItemCount();
                if (newState == RecyclerView.SCROLL_STATE_IDLE) {
                    if (first == 0) {
                        iv_slid_top.setVisibility(View.GONE);
                    }
                    if (last == total - 1 && mList.size() < count) {
                        page++;
                        getMailList();
                    } else if (mList.size() >= count && last >= mList.size() - 1 && upLoad) {
                        SingleToast.showToast(AppMailActivity.this, "没有更多了");
                    }
                } else {
                    iv_slid_top.setVisibility(View.GONE);
                }
            }
 
            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, final int dy) {
                super.onScrolled(recyclerView, dx, dy);
                if (Math.abs(dy) > 10) {
                    if (dy > 0) {
                        upLoad = true;
                        findViewById(R.id.iv_slid_top).setVisibility(View.GONE);
                    } else {
                        upLoad = false;
                        findViewById(R.id.iv_slid_top).setVisibility(View.VISIBLE);
                    }
                }
            }
        });
        tv_left.setOnClickListener(this);
        tv_middle.setText("消息中心");
    }
 
    @Override
    protected void onResume() {
        super.onResume();
        getMailList();
        mChangeHelper.registerReceiver();
        MobclickAgent.onPageStart("站内信列表");
    }
 
    @Override
    protected void onPause() {
        super.onPause();
        mChangeHelper.registerReceiver();
        MobclickAgent.onPageEnd("站内信列表");
    }
 
    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.tv_top_bar_left:
                finish();
                break;
            case R.id.iv_net_setting:
                startActivity(new Intent(Settings.ACTION_SETTINGS));
                break;
            case R.id.tv_refresh:
                startActivity(new Intent(Settings.ACTION_SETTINGS));
//                requestState(0);
//                getMailList();
                break;
        }
    }
 
    private void getMailList() {
        String uid = getSharedPreferences("user", MODE_PRIVATE).getString("uid", "0");
        ShoppingApi.getMailList(AppMailActivity.this, uid, page + "", new BasicTextHttpResponseHandler() {
            @Override
            public void onStart() {
                super.onStart();
                if (page > 1) {
                    bottom.setVisibility(View.VISIBLE);
                } else {
                    bottom.setVisibility(View.GONE);
                }
            }
 
            @Override
            public void onSuccessPerfect(int statusCode, Header[] headers, JSONObject jsonObject) throws Exception {
                if (jsonObject.optString("code").equalsIgnoreCase("0")) {
                    Gson gson = new GsonBuilder().serializeNulls().create();
                    List<Message> list = gson.fromJson(jsonObject.optJSONObject("data").optJSONArray("list").toString(), new TypeToken<List<Message>>() {
                    }.getType());
                    if (page == 1 && mList.size() > 0)
                        mList.clear();
                    mList.addAll(list);
                    adapter.notifyDataSetChanged();
                    count = Integer.parseInt(jsonObject.optJSONObject("data").optString("count"));
                    requestState(mList.size() == 0 ? 1 : 0);
                } else {
                    if (mList.size() == 0)
                        requestState(2);
                }
            }
 
            @Override
            public void onFailure(int statusCode, Header[] headers, String responseString, Throwable throwable) {
                super.onFailure(statusCode, headers, responseString, throwable);
                if (mList.size() == 0) {
                    if (NetUtils.getNetworkState(AppMailActivity.this).equalsIgnoreCase(NetUtils.NETWORK_NONE)) {
                        requestState(3);
                    } else {
                        requestState(2);
                    }
                } else {
                    if (NetUtils.getNetworkState(AppMailActivity.this).equalsIgnoreCase(NetUtils.NETWORK_NONE)) {
                        SingleToast.showToast(AppMailActivity.this, "网络未连接,请检测网络设置");
                    } else {
                        SingleToast.showToast(AppMailActivity.this, "网络连接异常,请检测网络设置");
                    }
                }
            }
 
            @Override
            public void onFinish() {
                super.onFinish();
                rl_app_mail.setRefreshing(false);
                bottom.setVisibility(View.GONE);
            }
        });
    }
 
    /**
     * 请求状态 0 数据正常展示;1 返回数据为空;2 网络请求失败;3 没有连接网络
     *
     * @param state
     */
    private void requestState(int state) {
        rl_app_mail.setVisibility(state == 0 ? View.VISIBLE : View.GONE);
        rv_app_mail.setVisibility(state == 0 ? View.VISIBLE : View.GONE);
        ll_no_data.setVisibility(state == 1 ? View.VISIBLE : View.GONE);
        ll_request_failture.setVisibility(state == 2 ? View.VISIBLE : View.GONE);
        ll_no_net.setVisibility(state == 3 ? View.VISIBLE : View.GONE);
    }
}