我的手机管家（18） 应用管理 主要代码

Posted 2020-08-03

我的手机管家（18） 应用管理 主要代码

点击ListView的item跳出一个弹出窗口

    /**
     *弹出窗口 
　　　*  @param  View pView 是被触发点击事件的View ,
　　　　 
     */
    protected void showPopupWindow(View pView){
        if(mPopupWindow==null){
            popupView = View.inflate(this, R.layout.popup_adapter, null);
            mPopupWindow = new PopupWindow(popupView, LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT,true);
            //设定一个背景,这样的话点击返回键可用消失
            mPopupWindow.setBackgroundDrawable(new ColorDrawable());
            TextView tvStart = (TextView) popupView.findViewById(R.id.tv_lanuch);
            TextView tvUninstall = (TextView) popupView.findViewById(R.id.tv_uninstall);    
            TextView tvShare=(TextView) popupView.findViewById(R.id.tv_uninstall);
            
            tvStart.setOnClickListener(this);
            tvUninstall.setOnClickListener(this);
            tvShare.setOnClickListener(this);
            //使用动画来展示弹出窗口
      //缩放动画
            ScaleAnimation a= new ScaleAnimation(0, 1,0,1,
                    Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF,0.5f
                    );
            a.setDuration(200);
            
            //渐变动画
            AlphaAnimation alpha = new AlphaAnimation(0, 1);
            alpha.setDuration(200);
            animationset = new AnimationSet(false);
            animationset.addAnimation(a);
            animationset.addAnimation(alpha);
            
        }
        mPopupWindow.showAsDropDown(pView,60,-pView.getHeight());
        popupView.startAnimation(animationset);
    }

弹出窗口界面

<?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="horizontal" >

    <TextView
        android:id="@+id/tv_lanuch"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:drawableTop="@drawable/img2"
        android:text="启动" />
    <TextView
        android:id="@+id/tv_uninstall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:drawableTop="@drawable/img1"
        android:text="卸载" />
    <TextView
        android:id="@+id/tv_share"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:drawableTop="@drawable/img3"
        android:text="分享" />

</LinearLayout>

 

 

 package com.chb.myphonesave.activity;
import java.util.ArrayList;
import java.util.List;

import android.app.ActionBar.LayoutParams;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.drawable.ColorDrawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.os.StatFs;
import android.text.format.Formatter;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.ScaleAnimation;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.TextView;
import android.widget.Toast;

import com.chb.myphonesave.R;
import com.chb.myphonesave.entity.AppInfo;
import com.chb.myphonesave.provider.AppInfoProvider;
/**
 *应用管理 
 */
public class AppManagerActivity extends Activity implements OnClickListener{
    private TextView tvMemAvail;//内存可用
    private TextView tvSDCard;//SD卡可用
    private TextView tvHeader;//头部信息
    ListView lv;//列表
    LinearLayout  layout;//线性布局
    private List<AppInfo> mList;//应用集合
    private List<AppInfo> mUserAppList;//用户应用
    private List<AppInfo> mSystemAppList;//系统应用
    private AppInfo appInfo;//当前被点击的对象
    private AppAdapter adapter;
    
    private PopupWindow mPopupWindow;
    private View popupView;
    private AnimationSet animationset;
    
    private Handler myhHandler = new Handler(){
        public void handleMessage(Message msg) {
         //刷新数据
            adapter = new AppAdapter();
            lv.setAdapter(adapter);
            tvHeader.setText("应用程序:("+mUserAppList.size()+")");
            layout.setVisibility(View.GONE);
        }
    };
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_appmanager);
        //初始化
        tvMemAvail = (TextView) findViewById(R.id.app_tvMemAvail);
        tvSDCard = (TextView) findViewById(R.id.app_avial_id);
        tvHeader = (TextView) findViewById(R.id.app_tv_header);
        
        lv = (ListView) findViewById(R.id.app_lv_list);
        layout = (LinearLayout) findViewById(R.id.app_linearlayout_id);
    
        
        //获取内存可用空间,手机自带存储空间(手机内存根路径)
         tvMemAvail.setText("内存可用:"+getAvaliSpace(Environment.getDataDirectory().getAbsolutePath()));
         //SDCard路径
         tvSDCard.setText("SDCard可用："+getAvaliSpace(Environment.getExternalStorageDirectory().getAbsolutePath()));
        //初始化数据
         initAppData();
         //列表添加监听事件
         lv.setOnScrollListener(
                 new OnScrollListener() {
            public void onScrollStateChanged(AbsListView view, int scrollState) {
                
            }
            public void onScroll(AbsListView view, int firstVisibleItem,
                    int visibleItemCount, int totalItemCount) {
                if(mUserAppList!=null&&mSystemAppList!=null){
                    //已经滑到系统用户了
                    if(firstVisibleItem>mUserAppList.size()+1){
                         tvHeader.setText("系统应用:("+mSystemAppList.size()+")");
                    }else{
                         tvHeader.setText("用户应用:("+mUserAppList.size()+")");
                    }
                }
            }
        });
         //添加点击事件
         lv.setOnItemClickListener(
                 new OnItemClickListener() {
                    public void onItemClick(AdapterView<?> parent, View view,
                            int position, long id) {
                        AppInfo info = adapter.getItem(position);
                        if(info != null){
                            appInfo=info;
                            showPopupWindow(view);//此view是被当前点击的view
                        }
                    }
        });
    }
    public void initAppData(){
        new Thread(){
            public void run() {
                mList = AppInfoProvider.getAppInfos(AppManagerActivity.this);
                mUserAppList = new ArrayList<AppInfo>();
                mSystemAppList = new ArrayList<AppInfo>();
                //判断是否是系统应用还是用户应用
                for (AppInfo info : mList) {
                    if(info.isUserApp()){//用户应用
                        mUserAppList.add(info);
                    }else{//系统应用
                        mSystemAppList.add(info);
                    }
                    
                }
                myhHandler.sendEmptyMessage(0);
            }
        }.start();
    }
    
    /**
     *弹出窗口 
     */
    protected void showPopupWindow(View pView){
        if(mPopupWindow==null){
            popupView = View.inflate(this, R.layout.popup_adapter, null);
            mPopupWindow = new PopupWindow(popupView, LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT,true);
            //设定一个背景,这样的话点击返回键可用消失
            mPopupWindow.setBackgroundDrawable(new ColorDrawable());
            TextView tvStart = (TextView) popupView.findViewById(R.id.tv_lanuch);
            TextView tvUninstall = (TextView) popupView.findViewById(R.id.tv_uninstall);    
            TextView tvShare=(TextView) popupView.findViewById(R.id.tv_uninstall);
            
            tvStart.setOnClickListener(this);
            tvUninstall.setOnClickListener(this);
            tvShare.setOnClickListener(this);
            
            //缩放动画
            ScaleAnimation a= new ScaleAnimation(0, 1,0,1,
                    Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF,0.5f
                    );
            a.setDuration(200);
            
            //渐变动画
            AlphaAnimation alpha = new AlphaAnimation(0, 1);
            alpha.setDuration(200);
            animationset = new AnimationSet(false);
            animationset.addAnimation(a);
            animationset.addAnimation(alpha);
            
        }
        mPopupWindow.showAsDropDown(pView,60,-pView.getHeight());
        popupView.startAnimation(animationset);
    }
    /*
     *获取某个路径下的可用空间 
     */
    private String getAvaliSpace(String path){
        StatFs sf=new StatFs(path);
        //获取可用存储块容量
        long avaliBlocks=sf.getAvailableBlocks();
        //获取每一块的容量大小
        long blockSize = sf.getBlockSize();
        //可用总空间大小为 可用存储块容量*每块容量大小
        long size=avaliBlocks*blockSize;
        return Formatter.formatFileSize(getApplicationContext(), size);
    }
    class AppAdapter  extends BaseAdapter{
        public int getCount() {
            return mUserAppList.size()+mSystemAppList.size()+2;
        }
        public AppInfo getItem(int position) {
            //如果是头部信息
            if(position==0||position==mUserAppList.size()+1){
                return null;
            }
            //根据当前的position返回AppInfo应用
            if(position<mUserAppList.size()+1){//用户应用
                return mUserAppList.get(position-1);
            }else{
                return mSystemAppList.get(position-mUserAppList.size()-2);
            }
        }
        public long getItemId(int position) {
            return position;
        }
        /**
         * 根据位置返回当前的item类型
         * 1.头布局
         * 2.普通布局
         */
        public int getItemViewType(int position) {
            if(position==0||position==mUserAppList.size()+1){
                return 0;//头布局
            }else{
                return 1;//普通布局
            }
        }
        /**
         * 返回总共有多少类型，该方法必须实现，系统会根据返回的类型判断需要缓存几个ContentView
         */
        public int getViewTypeCount() {
            return 2;
        }
        public View getView(int position, View convertView, ViewGroup parent) {
            //系统会根据当前的item类型,返回准确的converView,有几种类型，就缓存几个converView
            int type=getItemViewType(position);
            switch (type) {
            case 0:
                HeaderHolder headerHolder;
                if(convertView==null){
                    convertView = View.inflate(getApplicationContext(), R.layout.list_appinfo_header,null);
                    headerHolder = new HeaderHolder();
                    headerHolder.tvHeader = (TextView) convertView.findViewById(R.id.app_tv_header);
                    convertView.setTag(headerHolder);
                }else{
                    headerHolder = (HeaderHolder) convertView.getTag();
                }
                if(position==0){
                   headerHolder.tvHeader.setText("用户应用:("+mUserAppList.size()+")");
                }else{
                    headerHolder.tvHeader.setText("系统应用:("+mSystemAppList.size()+")");
                }
                break;
            case 1:
                ViewHolder holder;
                if(convertView==null){
                    convertView = View.inflate(getApplicationContext(), 
                            R.layout.app_info_adapter, null);
                    holder = new ViewHolder();
                    holder.iv= (ImageView) convertView.findViewById(R.id.app_imageView1);
                    holder.title = (TextView) convertView.findViewById(R.id.app_textView1);
                    holder.location = (TextView) convertView.findViewById(R.id.app_textView2);
                    convertView.setTag(holder);
                }else{
                    holder = (ViewHolder) convertView.getTag();
                }
                AppInfo info =getItem(position);
                holder.iv.setImageDrawable(info.getIcon());
                holder.title.setText(info.getAppName());
                if(info.isRom()){//系统内存
                    holder.location.setText("手机内存");
                }else{//用户内存
                    holder.location.setText("外置内存卡");
                }
                break;
            default:
                break;
            }
            return convertView;
        }
    }
    static class ViewHolder{
        public ImageView iv;
        public TextView title;
        public TextView location;
    }
    static class HeaderHolder{
        public TextView tvHeader;
    }
    //点击事件
    public void onClick(View v) {
        if(mPopupWindow!= null){
            mPopupWindow.dismiss();//消失
        }
        switch (v.getId()) {
        case R.id.tv_lanuch://启动
            launch(appInfo.getPackageName());
            break;
        case R.id.tv_uninstall://卸载
            if(appInfo.isUserApp()){
               uninstall(appInfo.getPackageName());
            }else{
                Toast.makeText(this, "系统应用,需要root权限才可以卸载", Toast.LENGTH_LONG).show();
            }
            break;
        case R.id.tv_share://分享
            share(appInfo.getPackageName());
           break;
        default:
            break;
        }
    }
    /**
     * 启动应用
     */
    public void launch(String packageName){
        PackageManager pm = getPackageManager();
        //获得app启动界面的intent
        Intent intent = pm.getLaunchIntentForPackage(packageName);
        startActivity(intent);
    }
    /**
     * 卸载应用
     */
    public void uninstall(String packageName){
        //跳转到卸载界面
        Intent intent = new Intent(Intent.ACTION_DELETE);
        intent.addCategory(Intent.CATEGORY_DEFAULT);
        intent.setData(Uri.parse("package:"+packageName));
        startActivityForResult(intent, 0);
    }
    /**
     * 分享应用
     */
    public void share(String packageName){
        Intent intent = new Intent(Intent.ACTION_SEND);
        intent.setType("text/plain");//发送文本
        intent.putExtra(Intent.EXTRA_TEXT, packageName);
        startActivity(intent);
    }
    public void startActivityForResult(Intent intent, int requestCode) {
        initAppData();//卸载完成后，重写刷新界面
        super.startActivityForResult(intent, requestCode);
    }
}