HouseProperty/app/src/main/java/com/sl/house_property/MainTabActivity.java

package com.sl.house_property;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.view.View;
import android.widget.RadioButton;
import android.widget.RadioGroup;

import com.sl.house_property.databinding.ActivityMainTabBinding;
import com.sl.house_property.discovery.DiscoveryFragment;

import tools.Config;

public class MainTabActivity extends BaseActivity<ActivityMainTabBinding>
implements View.OnClickListener,MainFragment.OnFragmentInteractionListener,
        Main1Fragment.OnFragmentInteractionListener,
        Main2Fragment.OnFragmentInteractionListener,
        Main3Fragment.OnFragmentInteractionListener,
        Main4Fragment.OnFragmentInteractionListener{

    /*定义的全局返回码，例如在主界面的某个Fragment点击某一项后进入下一个界面后
      如果在下一个界面有数据更改，需要Fragment刷新时，通过setResult方法通知主界面，主界面的
      onActivityResult方法会接收到通知，再刷新相应的Fragment
     */

    public static final int RESUlT_CODE_0 = 201;//首页
    public static final int RESUlT_CODE_1 = 202;//发现
    public static final int RESUlT_CODE_2 = 203;//购物车
   // public static final int RESUlT_CODE_3 = 204;//
    public static final int RESUlT_CODE_4 = 205;//我的
    private RadioGroup  radioGroup;
    private  MainFragment fragment0;
    private  DiscoveryFragment fragment1;
    private  Main3Fragment fragment2;
    private  Main2Fragment fragment3;
    private  Main4Fragment fragment4;
    private Fragment currentFragment;

    private  int myeditcode=1000;


    private  int nowradioId;


    @Override
    protected int getLayoutResId() {


        return R.layout.activity_main_tab;
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Config.getInstance(MainTabActivity.this).put("MainTabActivity",true);
        //setPhotoSysyrmbar();
         //setSytemBar(R.color.colorPrimary);//设置主题样式
      //setFramentMarginTop();

        initView();
    }



    @SuppressLint("MissingSuperCall")
    @Override
    public void onSaveInstanceState(Bundle outState) {
       super.onSaveInstanceState(outState);
    }

    private void initView() {
        radioGroup= mDataBinding.radioGroup;
        for (int i = 0; i <radioGroup.getChildCount() ; i++) {
            RadioButton myRadioButton= (RadioButton) radioGroup.getChildAt(i);
            myRadioButton.setOnClickListener(this);

        }
        mDataBinding.button.setChecked(true);
        nowradioId= mDataBinding.button.getId();
        mDataBinding.getRoot().setBackground(getResources().getDrawable(R.drawable.background_slowly));
        changeFragment( mDataBinding.button.getId());

    }

    private void changeFragment(int i) {
        FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
        if (currentFragment != null)
            fragmentTransaction.hide(currentFragment);

        switch (i) {
            case R.id.button:
//          mDataBinding.getRoot().setBackground(getResources().getDrawable(R.drawable.background_slowly));
                if (fragment0 == null) {
                    fragment0 = MainFragment.newInstance("", "");
                    fragmentTransaction.add(R.id.mycontent, fragment0, "fragment0");
                } else {
                    fragmentTransaction.show(fragment0);
                }
                currentFragment = fragment0;

                //setSytemBar(R.color.transparent);
                break;
            case R.id.button1:
//               mDataBinding.getRoot().setBackground(getResources().getDrawable(R.drawable.background_slowly));
                if (fragment1 == null) {

                    fragment1 = DiscoveryFragment.newInstance("", "");
                    fragmentTransaction.add(R.id.mycontent, fragment1, "fragment1");
                } else {

                    fragmentTransaction.show(fragment1);
                }

                currentFragment = fragment1;

                break;
            case R.id.button2:

                if (fragment2 == null) {
                    fragment2 = Main3Fragment.newInstance("", "");
                    fragmentTransaction.add(R.id.mycontent, fragment2, "fragment2");
                } else {
                    fragmentTransaction.show(fragment2);
                }

                currentFragment = fragment2;
                break;
            case R.id.button3:
//               mDataBinding.getRoot().setBackground(getResources().getDrawable(R.drawable.background_slowly));
                if (fragment3 == null) {
                    fragment3 = Main2Fragment.newInstance("", "");
                    fragmentTransaction.add(R.id.mycontent, fragment3, "fragment3");
                } else {
                    fragmentTransaction.show(fragment3);
                }

                currentFragment = fragment3;
                break;
            case R.id.button4:

//               mDataBinding.getRoot().setBackground(getResources().getDrawable(R.mipmap.beijing));
                if (fragment4 == null) {
                    fragment4 = Main4Fragment.newInstance("", "");
                    fragmentTransaction.add(R.id.mycontent, fragment4, "fragment4");
                } else {
                    fragmentTransaction.show(fragment4);
                }
                currentFragment = fragment4;
                break;
        }
        try {
            fragmentTransaction.commit();
        } catch (Exception e) {
            e.fillInStackTrace();
            fragmentTransaction.commitAllowingStateLoss();
        }

    }
    @Override
    public void onClick(View view) {
        if(view.getId()==nowradioId)return;
        RadioButton myRadioButton=(RadioButton)findViewById(nowradioId);
  if(view.getId()==R.id.button4){
            if( (Config.getInstance(MainTabActivity.this).getUser()==null)){
                Intent intent =new Intent(MainTabActivity.this,LoginActivity.class);
                startActivity(intent);
                myRadioButton=(RadioButton)view;
                myRadioButton.setChecked(false);
                myRadioButton=(RadioButton)findViewById(nowradioId);
                myRadioButton.setChecked(true);
                return;

            }
        }
        myRadioButton.setChecked(false);
        myRadioButton=(RadioButton)view;
        myRadioButton.setChecked(true);
        nowradioId=view.getId();
        changeFragment(view.getId());
    }

    public void onFragmentInteraction(Uri uri) {

    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
        if(resultCode==RESUlT_CODE_4){
           if(currentFragment==fragment4){
//              if(fragment0!=null){
//                  fragmentTransaction.remove(fragment0);
//                  fragment0 = null;
//              }
//               if(fragment1!=null){
//                   fragmentTransaction.remove(fragment1);
//                   fragment1 = null;
//               }
//               if(fragment2!=null){
//                   fragmentTransaction.remove(fragment2);
//                   fragment2 = null;
//               }
//               if(fragment3!=null){
//                   fragmentTransaction.remove(fragment3);
//                   fragment3 = null;
//               }
//
//               fragmentTransaction.remove(fragment4);
//               mDataBinding.getRoot().setBackground(getResources().getDrawable(R.mipmap.beijing));
//               if (fragment4 == null) {
//                   fragment4 = Main4Fragment.newInstance("", "");
//                   fragmentTransaction.add(R.id.mycontent, fragment4, "fragment4");
//               } else {
//
//               }
//               fragmentTransaction.show(fragment4);
//               currentFragment = fragment4;
               fragment4.refreshData();
           }
            try {
//                fragmentTransaction.commit();
            } catch (Exception e) {
                e.fillInStackTrace();
                fragmentTransaction.commitAllowingStateLoss();
            }
        }else if(resultCode==myeditcode){
            if(currentFragment==fragment1){
                fragment1.loadData();
            }
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        Config.getInstance(MainTabActivity.this).put("MainTabActivity",false);
    }
}