MainActivity.java
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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);
}
}
}
}