安全卫士总结8期-day

1、1. 1ivity1. 1ivity ?xml =1.0 encoding=utf-android:text=已加android:textColor=#000000 android:layout_height=match_parent3Apppublic class private AppLockOpenHelper private Context public (Context this.context = openHelper = new *param param public void add(String Uri uri = Uri.parse(context.getContentRe

2、solver().notifyChange(uri , null);Databasedatabase=openHelper.getWritableDatabase(); ContentValues values = new ContentValues(); values.put(packname, number);database.insert(applock,null,values); public void delete(String Databasedatabase =database.delete(applock, packname=?, new public void update(

3、String number,String Databasedatabase =ContentValues values = newdatabase.delete(applock, packname=?, new public void update(String number,String Databasedatabase =ContentValues values = newdatabase.update(applock,values,packname=?,newStringnumber); find(String Databasedatabase =Cursorquery = databa

4、se.query(applock, null,packname=? , Stringnumber,null,null,null); if (query.moveToNext() return else return public List Databasedatabase=openHelper.getReadableDatabase(); List list = new ArrayList();Cursorcursor = database.query(applock, new null, null, null, null); String packname = return list;pub

5、lic List Databasedatabase =List list =new Stringsql=selectoffset ? fromblacknumberorderby_iddesclimitCursor cursor = database.rawQuery(sql ,Stringindex+);/(blacknumber,newStringnumber,m null, null, null);, null, String number = =new String = BlackNumberInfo return list;total = Database =Cursorcursor

6、 = database.rawQuery(select count(*) String number = =new String = BlackNumberInfo return list;total = Database =Cursorcursor = database.rawQuery(select count(*) if (cursor.moveToNext() total = 4AppLockOpenHelper5com.itheima.mobileSafe.engineAppInfoProviderpublic class AppLockOpenHelperOpenHelper pu

7、blic AppLockOpenHelper(Context context) super(context, applock.db, null, public void Database db) String sql = create table applock(_idrimarykey autoincrement,packname varchar(20);public void Database ) if (flags & info.applicationInfo.FLAG_EXTERNAL_STORAGE) = 0) /0ROMif (flags & info.applicationInf

8、o.FLAG_EXTERNAL_STORAGE) = 0) /0ROM else return 6AppLockActivitypublic class AppLockActivityivityimplements OnClickListener private TextView tv_lock; private TextView tv_unlock; inearLayout ll_lock; inearLayout ll_unlock; istView lv_lock_list; istViewlv_unlock_list; ist appInfos;istunloackappInfos;

9、ist lockedappInfos; private ApplockAdapter adapter; private TextView tv_unlock_count; private TextView tv_lock_count; private AppLockprivate ApplockAdapter private ApplockAdapter protected void onCreate(Bundle savedInstane) /tv_lock = (TextView) findViewById(R.id.tv_lock); tv_unlock = (TextView) fin

10、dViewById(R.id.tv_unlock); ll_lock = (LinearLayout) findViewById(R.id.ll_lock); ll_unlock=(LinearLayout)findViewById(R.id.ll_unlock);lv_lock_list = (ListView) findViewById(R.id.lv_loack_list); lv_unlock_list=(ListView)findViewById(R.id.lv_unloack_list); appInfos = AppInfoProvider.getAllAppInfos(this

11、); tv_lock_count lv_lock_list = (ListView) findViewById(R.id.lv_loack_list); lv_unlock_list=(ListView)findViewById(R.id.lv_unloack_list); appInfos = AppInfoProvider.getAllAppInfos(this); tv_lock_count (TextView) =(TextView) = new lockedappInfos = new = new for(AppInfo info find if (find) else unlock

12、Adapter=newApplockAdapter(true); lockAdapter = new ApplockAdapter(false); privateclass ApplockAdapterextends isFlag = true;/public this.isFlag = getCount() if (isFlag) tv_unlock_count.setText(return else tv_lock_count.setText(return public Object ition) return public long return ition) public View g

13、etView( final View view; ViewHolderholder;ition, View convertView, ViewGroup parent) if(convertView != null) view else view= (ViewHolder) return public long return ition) public View getView( final View view; ViewHolderholder;ition, View convertView, ViewGroup parent) if(convertView != null) view el

14、se view= (ViewHolder) View.inflate(AppLockActivity.this,= newholder.iv_icon holder.tv_name (ImageView) (TextView) = (ImageView) final AppInfo if (isFlag) = else = us.setOnClickListener(new OnClickListener() canClick = public void onClick(View v) if (!canClick) return if(isFlag/点击未加锁的 canClick = fals

15、e;/TranslateAnimation animation =TranslateAnimation(Animation.RELATIVE_TO_SELF,0, /TranslateAnimation animation =TranslateAnimation(Animation.RELATIVE_TO_SELF,0, 1.0f,Animation.RELATIVE_TO_SELF,0,Animation.RELATIVE_TO_SELF,0); new tDelayed(new Runnable() public void run() canClick = true;, else /点击加

16、锁的 canClickfalse;TranslateAnimation animation =TranslateAnimation(Animation.RELATIVE_TO_SELF,0, -Animation.RELATIVE_TO_SELF,0, new tDelayed(new Runnable() public void run() canClick = true;, return sic class ViewHolder ImageViewiv_icon; TextView tv_name;ImageView sic class ViewHolder ImageViewiv_ico

17、n; TextView tv_name;ImageView public void onClick(View v) switch (v.getId() case R.id.tv_unlock: case R.id.tv_lock: ?xml =1.0 encoding=utf-android:src=drawable/app/2. 1, adapter2. 1, adaptergetItemViewType方法，根据ListViewitem返回当前的类型代码如下2，adapter* 根据位置返回当前item的类ition)ifition0itionmUserAppList.size()1/ 发

18、现是头布return0;/ 头布elsereturn1;/ 普通布android:textSize=19sp /android:src=drawable/unlock /classAppInfoAdapterextendsBaseAdapter returnmUserAppList.size(mSystemAppList.size(2;/ 注意,要加两个头布局位publicclassAppInfoAdapterextendsBaseAdapter returnmUserAppList.size(mSystemAppList.size(2;/ 注意,要加两个头布局位publicAppInfoge

19、tItem( if (ition = 0 |returnition)itionmUserAppList.size()1/ 发现是头布/ 根据当ition来返回相应的ifitionmUserAppList.size()1/ 用户应returnelse/ 系统应returnition-ition-mUserAppList.size()-publiclongition)* 根据位置返回当前item的类ition)ifition=0itionmUserAppList.size()1/ 发现是头布return0;/ 头布elsereturn1;/ 普通布* 返回总共有多少种类型, 该方法必须实现, 系统

20、会根据该方法判断需要缓存几个getViewTypeCount() returnpublicViewition,ViewconvertView,ViewGroupparent)publicViewition,ViewconvertView,ViewGroupparent)系统会根据当前item的类型,返回准确的convertView, 有几种类型,就会缓存几种type=switch(type) case 0:HeaderViewHolderheadHolder; if (convertView = null) convertView=R.layout.list_appinfo_header, headHolder = new HeaderViewHolder(); headHolder.tvHead=(TextView)convertViewln(初始化头布局else