android147 360 程序锁fragment

时间：2023-03-09 15:04:57
android147 360 程序锁fragment 
package com.itheima.mobileguard.fragment;

import java.util.ArrayList;

import java.util.List;

import android.os.Bundle;

import android.os.SystemClock;

import android.support.v4.app.Fragment;

import android.view.LayoutInflater;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.view.animation.Animation;

import android.view.animation.TranslateAnimation;

import android.widget.BaseAdapter;

import android.widget.ImageView;

import android.widget.ListView;

import android.widget.TextView;

import com.itheima.mobileguard.R;

import com.itheima.mobileguard.db.dao.AppLockDao;

import com.itheima.mobileguard.domain.AppInfo;

import com.itheima.mobileguard.engine.AppInfoParser;

import com.lidroid.xutils.DbUtils.DaoConfig;

public class LockFragment extends Fragment {

    private ListView list_view;

    private TextView tv_lock;

    private List<AppInfo> lockLists;

    private AppLockDao dao;

    private LockAdapter adapter;

    @Override

    public View onCreateView(LayoutInflater inflater, ViewGroup container,

            Bundle savedInstanceState) {

        View view = inflater.inflate(R.layout.item_lock_fragment, null);

        list_view = (ListView) view.findViewById(R.id.list_view);

        tv_lock = (TextView) view.findViewById(R.id.tv_lock);

        return view;

    }

    @Override

    public void onStart() {// 每次页面可见就会调用这个方法

        super.onStart();

        // 拿到所有的应用程序

        List<AppInfo> appInfos = AppInfoParser.getAppInfos(getActivity());

        // 初始化一个加锁的集合

        lockLists = new ArrayList<AppInfo>();

        dao = new AppLockDao(getActivity());

        for (AppInfo appInfo : appInfos) {

            // 如果能找到当前的包名说明在程序锁的数据库里面

            if (dao.find(appInfo.getPackname())) {

                lockLists.add(appInfo);

            } else {

            }

        }

        adapter = new LockAdapter();

        list_view.setAdapter(adapter);

    }

    private class LockAdapter extends BaseAdapter {

        @Override

        public int getCount() {

            tv_lock.setText("已加锁(" + lockLists.size() + ")个");

            return lockLists.size();

        }

        @Override

        public Object getItem(int position) {

            return lockLists.get(position);

        }

        @Override

        public long getItemId(int position) {

            return position;

        }

        @Override

        public View getView(final int position, View convertView,

                ViewGroup parent) {

            final View view;

            ViewHolder holder = null;

            if (convertView == null) {

                view = View.inflate(getActivity(), R.layout.item_lock, null);

                holder = new ViewHolder();

                holder.iv_icon = (ImageView) view.findViewById(R.id.iv_icon);

                holder.tv_name = (TextView) view.findViewById(R.id.tv_name);

                holder.iv_lock = (ImageView) view.findViewById(R.id.iv_lock);

                view.setTag(holder);

            } else {

                view = convertView;

                holder = (ViewHolder) view.getTag();

            }

            final AppInfo appInfo = lockLists.get(position);

            holder.iv_icon.setImageDrawable(appInfo.getIcon());

            holder.tv_name.setText(appInfo.getName());

            holder.iv_lock.setOnClickListener(new OnClickListener() {

                @Override

                public void onClick(View v) {

                    TranslateAnimation translateAnimation = new TranslateAnimation(

                            Animation.RELATIVE_TO_SELF, 0,//X的起始位置

                            Animation.RELATIVE_TO_SELF, -1.0f,//x的终止位置（左滑）

                            Animation.RELATIVE_TO_SELF, 0,

                            Animation.RELATIVE_TO_SELF, 0);

                    translateAnimation.setDuration(5000);

                    view.startAnimation(translateAnimation);

                    new Thread() {

                        public void run() {

                            SystemClock.sleep(5000);

                            getActivity().runOnUiThread(new Runnable() {

                                @Override

                                public void run() {

                                    dao.delete(appInfo.getPackname());

                                    lockLists.remove(position);

                                    adapter.notifyDataSetChanged();

                                }

                            });

                        };

                    }.start();

                }

            });

            return view;

        }

    }

    static class ViewHolder {

        ImageView iv_icon;

        TextView tv_name;

        ImageView iv_lock;

    }

}

页面：

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/tv_lock"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" />

    <ListView

        android:id="@+id/list_view"

        android:layout_width="match_parent"

        android:layout_height="match_parent" >

    </ListView>

</LinearLayout>

UnLockFragment

package com.itheima.mobileguard.fragment;

import java.util.ArrayList;

import java.util.List;

import android.os.Bundle;

import android.os.SystemClock;

import android.support.v4.app.Fragment;

import android.view.LayoutInflater;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.view.animation.Animation;

import android.view.animation.TranslateAnimation;

import android.widget.BaseAdapter;

import android.widget.ImageView;

import android.widget.ListView;

import android.widget.TextView;

import com.itheima.mobileguard.R;

import com.itheima.mobileguard.db.dao.AppLockDao;

import com.itheima.mobileguard.domain.AppInfo;

import com.itheima.mobileguard.engine.AppInfoParser;

//页面消失了再调用onStop()方法，onDestory()方法，不是调用onStop()方法，onDestory()方法再销毁页面。

public class UnLockFragment extends Fragment {

    private View view;

    private TextView tv_unlock;

    private ListView list_view;

    private List<AppInfo> appInfos;

    private AppLockDao dao;

    private List<AppInfo> unLockLists;

    private UnLockAdapter adapter;

    /*

     * 类似activity里面的setContentView，初始化界面在onCreateView()方法中，

     */

    @Override

    public View onCreateView(LayoutInflater inflater, ViewGroup container,

            Bundle savedInstanceState) {

        view = inflater.inflate(R.layout.item_unlock_fragment, null);

        list_view = (ListView) view.findViewById(R.id.list_view);

        tv_unlock = (TextView) view.findViewById(R.id.tv_unlock);

        return view;

    }

    //初始化数据要在onStart()方法中，因为onCreateView()方法只调用一次。

    @Override

    public void onStart() {

        super.onStart();

        appInfos = AppInfoParser.getAppInfos(getActivity());

        // 获取到程序锁的dao

        dao = new AppLockDao(getActivity());

        // 初始化一个没有加锁的集合

        unLockLists = new ArrayList<AppInfo>();

        for (AppInfo appInfo : appInfos) {

            // 判断当前的应用是否在程序所的数据里面

            if (dao.find(appInfo.getPackname())) {

            } else {

                // 如果查询不到说明没有在程序锁的数据库里面

                unLockLists.add(appInfo);

            }

        }

        adapter = new UnLockAdapter();

        list_view.setAdapter(adapter);

    }

    public class UnLockAdapter extends BaseAdapter {

        @Override

        public int getCount() {//数量减少的时候会重新刷新，getCount()方法会执行，

            tv_unlock.setText("未加锁(" + unLockLists.size() + ")个");

            return unLockLists.size();

        }

        @Override

        public Object getItem(int position) {

            return unLockLists.get(position);

        }

        @Override

        public long getItemId(int position) {

            return position;

        }

        @Override

        public View getView(final int position, View convertView,

                ViewGroup parent) {

            ViewHolder holder = null;

            final View view;

            final AppInfo appInfo;

            if (convertView == null) {

                view = View.inflate(getActivity(), R.layout.item_unlock, null);

                /*<?xml version="1.0" encoding="utf-8"?>

                <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

                    android:layout_width="match_parent"

                    android:layout_height="wrap_content"

                    android:orientation="horizontal" >

                    <ImageView

                        android:id="@+id/iv_icon"

                        android:layout_width="50dp"

                        android:layout_height="50dp"

                        android:src="@drawable/ic_launcher" />

                    <TextView

                        android:id="@+id/tv_name"

                        android:layout_width="match_parent"

                        android:layout_height="wrap_content"

                        android:layout_weight="1111"

                        android:layout_gravity="center"

                        android:layout_marginLeft="5dp"

                        android:text="程序锁" />

                    <ImageView

                        android:id="@+id/iv_unlock"

                        android:layout_width="wrap_content"

                        android:layout_height="wrap_content"

                        android:src="@drawable/list_button_lock_default" />

                </LinearLayout>*/

                holder = new ViewHolder();

                holder.iv_icon = (ImageView) view.findViewById(R.id.iv_icon);

                holder.tv_name = (TextView) view.findViewById(R.id.tv_name);

                holder.iv_unlock = (ImageView) view

                        .findViewById(R.id.iv_unlock);

                view.setTag(holder);

            } else {

                view = convertView;

                holder = (ViewHolder) view.getTag();

            }

            // 获取到当前的对象

            appInfo = unLockLists.get(position);

            holder.iv_icon

                    .setImageDrawable(unLockLists.get(position).getIcon());

            holder.tv_name.setText(unLockLists.get(position).getName());

            // 把程序添加到程序锁数据库里面，添加一个位移动画。

            holder.iv_unlock.setOnClickListener(new OnClickListener() {

                @Override

                public void onClick(View v) {

                    // 初始化一个位移动画

                    TranslateAnimation translateAnimation = new TranslateAnimation(

                            Animation.RELATIVE_TO_SELF, 0,//X轴的开始位置

                            Animation.RELATIVE_TO_SELF, 1.0f,//X轴的结束位置（右滑）

                            Animation.RELATIVE_TO_SELF, 0,//Y轴的开始位置

                            Animation.RELATIVE_TO_SELF, 0);//Y轴的结束位置

                    // 设置动画时间

                    translateAnimation.setDuration(5000);

                    // 开始动画，动画作用在整个View上面。

                    view.startAnimation(translateAnimation);

                    new Thread(){

                        public void run() {

                            SystemClock.sleep(5000);//动画是开启了子线城，不然这行代码就先执行了。

                            getActivity().runOnUiThread(new Runnable() {//刷新界面所有要在主线程执行

                                @Override

                                public void run() {

                                    // 添加到数据库里面

                                    dao.add(appInfo.getPackname());

                                    // 从当前的页面移除对象

                                    unLockLists.remove(position);

                                    // 刷新界面

                                    adapter.notifyDataSetChanged();

                                }

                            });

                        };

                    }.start();

                }

            });

            return view;

        }

    }

    static class ViewHolder {

        ImageView iv_icon;

        TextView tv_name;

        ImageView iv_unlock;

    }

}

item_unlock_fragment

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/tv_unlock"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" >

    </TextView>

    <ListView

        android:id="@+id/list_view"

        android:layout_width="match_parent"

        android:layout_height="match_parent" >

    </ListView>

</LinearLayout>

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