MainActivity.java 3.91 KB
package com.huaheng.mobilehuaheng;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.percent.PercentFrameLayout;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;

import com.huaheng.mobilehuaheng.adapter.RecyclerViewAdapter;
import com.huaheng.mobilehuaheng.bean.MenuBean;
import com.huaheng.mobilehuaheng.util.CommonActivity;
import com.huaheng.mobilehuaheng.util.Constant;
import com.huaheng.mobilehuaheng.util.MenuConstant;
import com.huaheng.mobilehuaheng.util.MobileUtils;
import com.huaheng.mobilehuaheng.util.WMSLog;

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

import butterknife.BindView;
import butterknife.ButterKnife;

import static com.huaheng.mobilehuaheng.util.MobileUtils.isNotEmpty;

public class MainActivity extends CommonActivity {

    @BindView(R.id.recycleView)
    RecyclerView recycleView;
    @BindView(R.id.percentFrameLayout)
    PercentFrameLayout percentFrameLayout;
    private Context mContext;
    private RecyclerViewAdapter adapter;
    private ArrayList<MenuBean> menuBeans;
    private GridLayoutManager layoutManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.bind(this);
        mContext = this;
        setTitle("主页");
    }

    @Override
    protected void onResume() {
        super.onResume();
        initView();
    }

    private void initView() {
        adapter = new RecyclerViewAdapter(mContext);
        layoutManager = new GridLayoutManager(mContext, 3);
        recycleView.setLayoutManager(layoutManager);
        recycleView.setAdapter(adapter);
        menuBeans = buildMenuBeans();
        if(menuBeans != null) {
            adapter.setList(menuBeans);
        }
        adapter.setOnItemClickListener(listener);
    }

    private ArrayList<MenuBean> buildMenuBeans() {
        ArrayList<MenuBean> menuBeans = new ArrayList<>();
        ArrayList<String> menuList = MenuConstant.getMenuList(mContext);
        ArrayList<Drawable> drawableList = MenuConstant.getMenuDrawable(mContext);
        ArrayList<String> menuPackageList = MenuConstant.getMenuPackageName(mContext);
        final PackageManager packageManager = mContext.getPackageManager();
        List<PackageInfo> info = packageManager.getInstalledPackages(0);
        for(int i=0; i< menuList.size(); i++) {
            String packageName = menuPackageList.get(i);
            if(MobileUtils.checkAppInstalled(packageName, info) || menuList.get(i).equals(mContext.getString(R.string.more))) {
                MenuBean menuBean = new MenuBean(drawableList.get(i), menuList.get(i), packageName);
                menuBeans.add(menuBean);
            } else {
                MenuBean menuBean = new MenuBean(null, "", "");
                menuBeans.add(menuBean);
            }
        }
        return menuBeans;
    }

    private RecyclerViewAdapter.OnRecyclerViewItemClickListener listener = new RecyclerViewAdapter.OnRecyclerViewItemClickListener() {
        @Override
        public void onItemClick(int position) {
            chooseItemListener(position);
        }
    };

    private void chooseItemListener(int positino) {
        MenuBean bean = menuBeans.get(positino);
        String name = bean.getName();
        if(name.equals(mContext.getString(R.string.more))) {
            MobileUtils.startActivity(mContext, MoreActivity.class);
        } else {
            String pkgName = bean.getPkgName();
            if(MobileUtils.isNotEmpty(pkgName)) {
                Intent intent = new Intent();
                intent.setClassName(pkgName, pkgName + ".MainActivity");
                mContext.startActivity(intent);
            }
        }
    }

}