assistant-android/app/src/main/java/com/gh/gamecenter/SubjectActivity.java

package com.gh.gamecenter;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import android.text.TextUtils;
import android.view.MotionEvent;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.gh.base.BaseActivity;
import com.gh.common.util.EntranceUtils;
import com.gh.gamecenter.adapter.VPFragmentAdapter;
import com.gh.gamecenter.entity.SubjectHeadEntity;
import com.gh.gamecenter.retrofit.JSONObjectResponse;
import com.gh.gamecenter.retrofit.Response;
import com.gh.gamecenter.retrofit.RetrofitManager;
import com.gh.gamecenter.subject.SubjectFragment;
import com.gh.gamecenter.subject.SubjectTileFragment;

import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.List;

import butterknife.BindView;
import retrofit2.HttpException;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;

/**
 * Created by khy on 2017/4/29.
 */

public class SubjectActivity extends BaseActivity {

    @BindView(R.id.subject_viewpager)
    ViewPager mViewPager;
    @BindView(R.id.subject_tab)
    TabLayout mTabLayout;
    @BindView(R.id.reuse_ll_loading)
    LinearLayout mLoading;
    @BindView(R.id.subject_tiled)
    FrameLayout mSubjectTiled;
    @BindView(R.id.reuse_no_connection)
    View mNoConn;

    private String mId;
    private String mName;

    private Bundle mBundle;
    private SubjectTileFragment mTileFragment;

    /**
     * 启动专题页面
     */
    public static void startSubjectActivity(Context context, String id, String name, boolean isOrder, String entrance) {
        Intent intent = new Intent(context, SubjectActivity.class);
        intent.putExtra("id", id);
        intent.putExtra("name", name);
        intent.putExtra("order", isOrder);
        intent.putExtra(EntranceUtils.KEY_ENTRANCE, entrance);
        context.startActivity(intent);
    }

    @Override
    protected int getLayoutId() {
        return R.layout.activity_subject;
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mBundle = getIntent().getExtras();
        if (getIntent().getBundleExtra("data") != null) {
            mBundle = getIntent().getBundleExtra("data");
        }

        mId = mBundle.getString("id");
        mName = mBundle.getString("name");

        initTitle(mName);

        if (TextUtils.isEmpty(mName) && !TextUtils.isEmpty(mId)) {
            getSubjectName(mId);
        } else {
            loadSubjectType();
        }

        mNoConn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mNoConn.setVisibility(View.GONE);
                mLoading.setVisibility(View.VISIBLE);
                loadSubjectType();
            }
        });
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        if (mTileFragment != null) {
            mTileFragment.onTouchEvent(ev);
        }
        return super.dispatchTouchEvent(ev);
    }

    private void getSubjectName(String id) {
        RetrofitManager.getApi()
                .getSubjectName(id)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new JSONObjectResponse() {
                    @Override
                    public void onResponse(JSONObject response) {
                        try {
                            String name = response.getString("name");

                            TextView actionbar_tv_title = (TextView) findViewById(R.id.actionbar_tv_title);
                            actionbar_tv_title.setText(name);
                            mBundle.putString("name", name);
                            loadSubjectType();
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onFailure(HttpException e) {
                        super.onFailure(e);
                        TextView actionbar_tv_title = (TextView) findViewById(R.id.actionbar_tv_title);
                        actionbar_tv_title.setText("专题");
                        mBundle.putString("name", "专题");
                        loadSubjectType();
                    }
                });
    }

    private void loadSubjectType() {
        RetrofitManager
                .getApi()
                .getColumnSettings(mId)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Response<SubjectHeadEntity>() {
                    @Override
                    public void onResponse(SubjectHeadEntity response) {
                        super.onResponse(response);
                        mLoading.setVisibility(View.GONE);
                        List<String> content = response.getTypeEntity().getContent();
                        content.add(0, "全部");
                        initView(response);
                    }
                    @Override
                    public void onFailure(HttpException e) {
                        super.onFailure(e);
                        mLoading.setVisibility(View.GONE);
                        mNoConn.setVisibility(View.VISIBLE);
                    }
                });
    }

    private void initView(SubjectHeadEntity headEntity) {
        if ("tile".equals(headEntity.getTypeEntity().getLayout())) {
            FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
            Bundle clone = (Bundle) mBundle.clone();
            clone.putString("tagType", headEntity.getTag());
            clone.putStringArrayList("contentTitle", new ArrayList<>(headEntity.getTypeEntity().getContent()));
            mTileFragment = new SubjectTileFragment();
            mTileFragment.setArguments(clone);
            transaction.add(R.id.subject_tiled, mTileFragment);
            transaction.commit();
        } else {
            List<String> tag = headEntity.getTypeEntity().getContent();
            if (tag.size() > 1) {
                mTabLayout.setVisibility(View.VISIBLE);
            }
            List<Fragment> fragments = new ArrayList<>();
            for (String s : tag) {
                mTabLayout.addTab(mTabLayout.newTab().setText(s));
                Bundle clone = (Bundle) mBundle.clone();
                clone.putString("type", s);
                clone.putString("tagType", headEntity.getTag());
                fragments.add(SubjectFragment.newInstance(clone));
            }

            VPFragmentAdapter adapter =
                    new VPFragmentAdapter(getSupportFragmentManager(), fragments, tag);
            mViewPager.setAdapter(adapter);
            mTabLayout.setupWithViewPager(mViewPager);
//            mTabLayout.setTabsFromPagerAdapter(adapter);
        }
    }
}