wpc
2018-11-27 c52fb0e4d9168e75390b3cf3536d66c06c50d605
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package com.haicaojie.android.ui.invite;
 
import android.content.DialogInterface;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.Html;
import android.util.Log;
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.bumptech.glide.Glide;
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.BuXinConstant;
import com.haicaojie.android.R;
import com.haicaojie.android.ShoppingApi;
import com.haicaojie.android.ui.BaseActivity;
import com.haicaojie.android.util.ScalableCardHelper;
import com.haicaojie.android.util.ShareFriendsDialog;
import com.lcjian.library.widget.SpaceItemDecoration;
 
import org.apache.http.Header;
import org.json.JSONObject;
 
import java.util.ArrayList;
import java.util.List;
 
/**
 * Created by weikou2015 on 2018/3/30.
 */
 
public class InviteFriendsActivity extends BaseActivity implements View.OnClickListener {
 
    private TextView tv_nav_top_left, tv_nav_top_middle;
 
    private TextView tv_invite_rule, tv_invite_promptly;
 
    private RecyclerView rv_share_img;
 
    AdapterInviteImg imgAdapter2;
 
    private ImageView iv_share_img;
 
    private List<String> mList = new ArrayList<>();
 
    private int sPosition = 0;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_invite_friends);
        /*
         * 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_invite_rule = (TextView) findViewById(R.id.tv_invite_rule);
        tv_nav_top_left = (TextView) findViewById(R.id.tv_top_bar_left);
        tv_nav_top_middle = (TextView) findViewById(R.id.tv_top_bar_middle);
        tv_invite_promptly = (TextView) findViewById(R.id.tv_invite_promptly);
        rv_share_img = (RecyclerView) findViewById(R.id.rv_share_img);
        iv_share_img = (ImageView) findViewById(R.id.iv_share_img);
 
        tv_nav_top_left.setOnClickListener(this);
        tv_invite_promptly.setOnClickListener(this);
        tv_nav_top_middle.setText("邀请好友");
 
        rv_share_img.setOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
                RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
                //判断是当前layoutManager是否为LinearLayoutManager
                // 只有LinearLayoutManager才有查找第一个和最后一个可见view位置的方法
                if (layoutManager instanceof LinearLayoutManager) {
                    LinearLayoutManager linearManager = (LinearLayoutManager) layoutManager;
                    if (newState == 0) {
                        //获取第一个可见view的位置
                        int firstItemPosition = linearManager.findFirstVisibleItemPosition();
                        //获取最后一个可见view的位置
                        int lastItemPosition = linearManager.findLastVisibleItemPosition();
 
                        View firstView = linearManager.findViewByPosition(firstItemPosition);
                        View lastView = linearManager.findViewByPosition(lastItemPosition);
                        View centerView = linearManager.findViewByPosition((firstItemPosition + lastItemPosition) / 2);
                        if (firstView != null) {
                            AdapterInviteImg.Holder holder = (AdapterInviteImg.Holder) recyclerView.getChildViewHolder(firstView);
                            holder.v_cover.setVisibility(View.VISIBLE);
                        }
                        if (lastView != null) {
                            AdapterInviteImg.Holder holder = (AdapterInviteImg.Holder) recyclerView.getChildViewHolder(lastView);
                            holder.v_cover.setVisibility(View.VISIBLE);
                        }
                        if (centerView != null) {
                            AdapterInviteImg.Holder holder = (AdapterInviteImg.Holder) recyclerView.getChildViewHolder(centerView);
                            holder.v_cover.setVisibility(View.GONE);
                            Log.i("mResult", "centerView不为空");
                        }
                        sPosition = (firstItemPosition + lastItemPosition) / 2;
                    }
                }
            }
 
            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
 
 
            }
        });
        iv_share_img.setVisibility(View.VISIBLE);
        rv_share_img.setVisibility(View.GONE);
        tv_invite_promptly.setEnabled(false);
        tv_invite_promptly.setBackground(getResources().getDrawable(R.drawable.shape_goods_detail_like2));
        Glide.with(InviteFriendsActivity.this).load("http://sdasdas").error(R.drawable.ic_invite_default)
                .placeholder(R.drawable.ic_invite_default).into(iv_share_img);
        inviteFriend();
    }
 
 
    private void inviteFriend() {
        ShoppingApi.inviteFriend(InviteFriendsActivity.this, getSharedPreferences("user", MODE_PRIVATE).getString("uid", "323922"), new BasicTextHttpResponseHandler() {
            @Override
            public void onSuccessPerfect(int statusCode, Header[] headers, JSONObject jsonObject) throws Exception {
                if (jsonObject.optString("code").equalsIgnoreCase("0")) {
                    Gson gson = new GsonBuilder().serializeNulls().create();
                    mList.clear();
                    mList = gson.fromJson(jsonObject.optJSONObject("data").optJSONArray("imgUrlList").toString(), new TypeToken<List<String>>() {
                    }.getType());
                    Log.i("mResult", jsonObject.toString());
 
                    iv_share_img.setVisibility(View.GONE);
                    rv_share_img.setVisibility(View.VISIBLE);
                    BuXinConstant.INVITE_IMG = mList.get(0);
                    rv_share_img.setLayoutManager(new LinearLayoutManager(InviteFriendsActivity.this, LinearLayoutManager.HORIZONTAL, false));
                    for (int i = 0; i < 18; i++) {
                        mList.addAll(mList);
                    }
                    rv_share_img.addItemDecoration(new SpaceItemDecoration(5));
                    Log.i("mResult", "mList的长度为" + mList.size());
 
                    imgAdapter2 = new AdapterInviteImg(InviteFriendsActivity.this, mList);
                    rv_share_img.setAdapter(imgAdapter2);
//                    imgAdapter2.notifyDataSetChanged();
                    ScalableCardHelper cardHelper = new ScalableCardHelper();
                    cardHelper.attachToRecyclerView(rv_share_img);
                    rv_share_img.getLayoutManager().scrollToPosition(mList.size() / 2);
                    tv_invite_rule.setText(Html.fromHtml(jsonObject.optJSONObject("data").optString("inviteRules")));
                    handler.sendEmptyMessage(1);
                } else {
                    tv_invite_promptly.setEnabled(false);
                    tv_invite_promptly.setBackground(getResources().getDrawable(R.drawable.shape_goods_detail_like2));
                }
            }
 
            @Override
            public void onFailure(int statusCode, Header[] headers, String responseString, Throwable throwable) {
                super.onFailure(statusCode, headers, responseString, throwable);
                tv_invite_promptly.setEnabled(false);
                tv_invite_promptly.setBackground(getResources().getDrawable(R.drawable.shape_goods_detail_like2));
            }
        });
    }
 
    Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            rv_share_img.smoothScrollToPosition(mList.size() / 2 + 1);
            tv_invite_promptly.setEnabled(true);
            tv_invite_promptly.setBackground(getResources().getDrawable(R.drawable.shape_goods_detail_like1));
        }
    };
 
    ShareFriendsDialog dialog = null;
 
    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.tv_top_bar_left:
                finish();
                break;
            case R.id.tv_invite_promptly:
                if (imgAdapter2 == null)
                    break;
                ShareFriendsDialog.Builder builder = new ShareFriendsDialog.Builder(InviteFriendsActivity.this);
                dialog = builder.setImgs(mList.get(sPosition))
                        .setNegativeButton("取消", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialogInterface, int i) {
                                dialogInterface.dismiss();
                            }
                        }).create();
                dialog.show();
                break;
        }
    }
 
    @Override
    protected void onPause() {
        super.onPause();
        if (dialog != null) {
            dialog.dismiss();
        }
    }
}