123.手机软件信息的展示

手机软件信息的展示，首先软件大致有几个特征：图标，包名，名称，大小，位置等。首先写一个入口activiy，再在主的手机软件展示的activity里面写逻辑文件，需要依赖到工具类AppInfos.java来获取到所有的需要展示的特征，通过集合来返回数据到activity进行展示，先创建一个bean初始化一个app所需要的特征。

activity_app_manager.xml展示所有的app条目的信息

<?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
style="@style/TitleStyle"
android:text="软件管理"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<TextView
android:id="@+id/tv_rom"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="内存可用"
android:textSize="20sp"
android:textColor="@color/black"
android:layout_weight="1"
/>
<TextView
android:id="@+id/tv_sd"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="内存可用"
android:textSize="20sp"
android:textColor="@color/black"
android:layout_weight="1"
/>
</LinearLayout>
<include
android:id="@+id/list_view_callsafe"
layout="@layout/list_view_callsafe"

/>
</LinearLayout>

item_app_manager.xml手机信息展示的单个条目所需要展示信息的布局

<?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" >

<ImageView
android:id="@+id/iv_icon"
android:layout_width="50dp"
android:layout_height="50dp"
android:background="@drawable/ic_launcher"
/>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:orientation="vertical"
>
<TextView
android:id="@+id/tv_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20sp"
android:textColor="@color/black"
android:singleLine="true"
android:text="手机卫视"
/>
<TextView
android:id="@+id/tv_location"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="16sp"
android:layout_marginTop="2dp"
android:singleLine="true"
android:text="手机内存"
/>
</LinearLayout>
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
>
<TextView
android:id="@+id/tv_apksize"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="16sp"
android:layout_marginTop="10dp"
android:layout_marginRight="10dp"
android:singleLine="true"
android:text="112M"
android:layout_alignParentRight="true"
/>
4000

</RelativeLayout>

</LinearLayout>

AppInfo.java手机信息的bean文件

package com.ldw.safe.bean;

import android.graphics.drawable.Drawable;

public class AppInfo {

//图片的icon，Drawable比bitmap更广泛，后者只针对图，前者可以针对xml
private Drawable icon;
private String apkName;
private long apkSize;//app的大小
private boolean userApp;//true表示用户app，false表示系统app
private boolean isRom;//app放置的位置
private String apkPackageName;//app的包名
public Drawable getIcon() {
return icon;
}
public void setIcon(Drawable icon) {
this.icon = icon;
}
public String getApkName() {
return apkName;
}
public void setApkName(String apkName) {
this.apkName = apkName;
}
public long getApkSize() {
return apkSize;
}
public void setApkSize(long apkSize) {
this.apkSize = apkSize;
}
public boolean isUserApp() {
return userApp;
}
public void setUserApp(boolean userApp) {
this.userApp = userApp;
}
public boolean isRom() {
return isRom;
}
public void setRom(boolean isRom) {
this.isRom = isRom;
}
public String getApkPackageName() {
return apkPackageName;
}
public void setApkPackageName(String apkPackageName) {
this.apkPackageName = apkPackageName;
}
@Override
public String toString() {
return "AppInfo [icon=" + icon + ", apkName=" + apkName + ", apkSize="
+ apkSize + ", userApp=" + userApp + ", isRom=" + isRom
+ ", apkPackageName=" + apkPackageName + "]";
}

}

AppInfos.java获取手机所有的信息，并利用javabean封装到集合返回

package com.ldw.safe.engine;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.graphics.drawable.Drawable;

import com.ldw.safe.bean.AppInfo;

/*
* apps的基本信息
*/
public class AppInfos {

//app的信息是多个，返回一个集合
public static List<AppInfo> getAppInfos(Context context){

ArrayList<AppInfo> packageAppInfos = new ArrayList<AppInfo>();

//获取到包的管理者
PackageManager packageManager = context.getPackageManager();
//获取到所有的安装包
List<PackageInfo> installedPackages= packageManager.getInstalledPackages(0);
for(PackageInfo installedPackage : installedPackages){
AppInfo appInfo = new AppInfo();

//获取到应用程序的图标
Drawable drawable = installedPackage.applicationInfo.loadIcon(packageManager);
appInfo.setIcon(drawable);
//获取到应用程序的名字
String apkName = (String) installedPackage.applicationInfo.loadLabel(packageManager);
appInfo.setApkName(apkName);
//获取到应用程序的包名
String apkPackageName = installedPackage.packageName;
appInfo.setApkPackageName(apkPackageName);
//获取到应用程序的路径
String sourceDir = installedPackage.applicationInfo.sourceDir;
//获取到应用程序的大小
File file = new File(sourceDir);
long apkSize = file.length();
appInfo.setApkSize(apkSize);

//第三方应用放在/data/app
//系统应用放在/system/app
//获取到安装程序的标记
int flags = installedPackage.applicationInfo.flags;
//和系统应用进行与运算
if((flags & ApplicationInfo.FLAG_SYSTEM) != 0){
//系统应用
appInfo.setUserApp(false);
}else{
//第三方应用
appInfo.setUserApp(true);
}
//判断位置
if((flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0){
//sd卡
appInfo.setRom(false);
}else{
//rom手机内存
appInfo.setRom(true);
}

packageAppInfos.add(appInfo);
System.out.println("==============");
System.out.println("名字"+ apkName);
System.out.println("包名"+ apkPackageName);
System.out.println("大小"+ apkSize);
}
return packageAppInfos;
}
}

HomeActivity.java入口到手机应用展示的界面

package com.ldw.safe.Activity;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.ldw.safe.R;
import com.ldw.safe.utils.MD5Utils;

public class HomeActivity extends Activity{

private GridView gv_home;

private String[] mItems = new String[] {"手机防盗", "通讯卫士", "软件管理", "进程管理", "流量统计", "手机杀毒", "缓存清理", "高级工具", "设置中心"};
private int[] mPics = new int[] {R.drawable.safe, R.drawable.callmsgsafe, R.drawable.app,
R.drawable.taskmanager, R.drawable.netmanager, R.drawable.sysoptimize,
R.drawable.trojan, R.drawable.atools, R.drawable.settings};

private SharedPreferences mPref;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);

mPref = getSharedPreferences("config", MODE_PRIVATE);

gv_home = (GridView) findViewById(R.id.gv_home);
gv_home.setAdapter(new HomeAdapter());
//监听gridview点击事件
gv_home.setOnItemClickListener(new OnItemClickListener(){

@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
switch(position){
case 0:
//手机防盗
showPasswordDialog();
break;
case 1:
//通讯卫士
startActivity(new Intent(HomeActivity.this, CallSafeActivity.class));
break;
case 2:
//软件管理
startActivity(new Intent(HomeActivity.this, AppManagerActivity.class));
break;
case 7:
//高级工具
startActivity(new Intent(HomeActivity.this, AdvancedToolsActivity.class));
break;
case 8:
//设置中心
startActivity(new Intent(HomeActivity.this, SettingActivity.class));
break;
default:
break;
}
}

});

}

/*
* 显示密码的弹窗
*/
protected void showPasswordDialog(){
//判断是否设置密码
String savePassword = mPref.getString("password", null);
if(!TextUtils.isEmpty(savePassword)){
//输入密码的弹窗
showPasswordInputDialog();
}else{
//如果没有设置过，弹出密码设置的弹窗
showPasswordSetDialog();
}

}

/*
* 输入密码框，设置过密码只需要登陆
*/
protected void showPasswordInputDialog(){
AlertDialog.Builder builder = new AlertDialog.Builder(this);
final AlertDialog dialog = builder.create();

View view = View.inflate(this, R.layout.dialog_input_password, null);
//dialog.setView(view);//自定义的view设置到dialog
dialog.setView(view, 0, 0, 0, 0);//设置边距为0，兼容android2.3

final EditText etPassword = (EditText) view.findViewById(R.id.et_password);

//获取2个按键
Button btnOk = (Button)view.findViewById(R.id.btn_ok);
Button btnCancle = (Button)view.findViewById(R.id.btn_cancle);
//监听ok按键
btnOk.setOnClickListener(new OnClickListener(){

@Override
public void onClick(View v) {
String password = etPassword.getText().toString();

if(!TextUtils.isEmpty(password)){
String savePassword = mPref.getString("password", null);
if(MD5Utils.encode(password).equals(savePassword)){
Toast.makeText(HomeActivity.this, "登陆成功", Toast.LENGTH_SHORT).show();
//对话框消失
dialog.dismiss();

//跳转到手机防盗界面
startActivity(new Intent(HomeActivity.this, LostAndFind.class));
}else{
Toast.makeText(HomeActivity.this, "登陆失败", Toast.LENGTH_SHORT).show();
}
}else{
Toast.makeText(HomeActivity.this, "输入框不能是空的", Toast.LENGTH_SHORT).show();
}

}

});
//监听取消按键
btnCancle.setOnClickListener(new OnClickListener(){

@Override
public void onClick(View v) {
dialog.dismiss();

}

});

dialog.show();
}

/*
* 设置密码的弹窗,以前没有设置密码
*/
protected void showPasswordSetDialog(){
AlertDialog.Builder builder = new AlertDialog.Builder(this);
final AlertDialog dialog = builder.create();

View view = View.inflate(this, R.layout.dialog_set_password, null);
//dialog.setView(view);//自定义的view设置到dialog
dialog.setView(view, 0, 0, 0, 0);//设置边距为0，兼容android2.3

final EditText etPassword = (EditText) view.findViewById(R.id.et_password);
final EditText etPasswordConfirm = (EditText) view.findViewById(R.id.et_password_confirm);

//获取2个按键
Button btnOk = (Button)view.findViewById(R.id.btn_ok);
Button btnCancle = (Button)view.findViewById(R.id.btn_cancle);
//监听ok按键
btnOk.setOnClickListener(new OnClickListener(){

@Override
public void onClick(View v) {
String password = etPassword.getText().toString();
String passwordConfirm = etPasswordConfirm.getText().toString();
//TextUtils.isEmpty(password)判断password是不是空，可以避免都是空格
if(!TextUtils.isEmpty(password) && !passwordConfirm.isEmpty()){
if(password.equals(passwordConfirm)){
Toast.makeText(HomeActivity.this, "登陆成功", Toast.LENGTH_SHORT).show();
//保存密码到mPref
mPref.edit().putString("password", MD5Utils.encode(password)).commit();
//对话框消失
dialog.dismiss();

//跳转到手机防盗界面
startActivity(new Intent(HomeActivity.this, LostAndFind.class));
}else{
Toast.makeText(HomeActivity.this, "两次密码不一致", Toast.LENGTH_SHORT).show();
}
}else{
Toast.makeText(HomeActivity.this, "输入框不能是空的", Toast.LENGTH_SHORT).show();
}

}

});
//监听取消按键
btnCancle.setOnClickListener(new OnClickListener(){

@Override
public void onClick(View v) {
dialog.dismiss();

}

});

dialog.show();
}

class HomeAdapter extends BaseAdapter{

@Override
public int getCount() {
// TODO Auto-generated method stub
return mItems.length;
}

@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return mItems[position];
}

@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {

View view = View.inflate(HomeActivity.this, R.layout.home_list_item, null);
ImageView iv_item = (ImageView) view.findViewById(R.id.iv_item);
TextView tv_item = (TextView) view.findViewById(R.id.tv_item);

iv_item.setImageResource(mPics[position]);
tv_item.setText(mItems[position]);

return view;
}

}

}

AppManagerActivity.java手机应用展示的逻辑文件

package com.ldw.safe.Activity;

import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.text.format.Formatter;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import com.ldw.safe.R;
import com.ldw.safe.bean.AppInfo;
import com.ldw.safe.engine.AppInfos;
import com.lidroid.xutils.ViewUtils;
import com.lidroid.xutils.view.annotation.ViewInject;

/*
* 软件管理
*/
public class AppManagerActivity extends Activity {
//不用findViewById的方法填充
@ViewInject(R.id.list_view_callsafe)
private ListView list_view_callsafe;
@ViewInject(R.id.tv_rom)
private TextView tv_rom;
@ViewInject(R.id.tv_sd)
private TextView tv_sd;

private List<AppInfo> appInfos;
private AppManagerAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
initUi();
initData();
}

private class AppManagerAdapter extends BaseAdapter{

@Override
public int getCount() {
return appInfos.size();
}

@Override
public Object getItem(int position) {
return null;
}

@Override
public long getItemId(int position) {
return 0;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view = null;
ViewHoler holder;
if(convertView == null){
view = View.inflate(AppManagerActivity.this, R.layout.item_app_manager, null);
holder = new ViewHoler();
holder.iv_icon = (ImageView) view.findViewById(R.id.iv_icon);
holder.tv_apksize = (TextView) view.findViewById(R.id.tv_apksize);
holder.tv_location = (TextView) view.findViewById(R.id.tv_location);
holder.tv_name = (TextView) view.findViewById(R.id.tv_name);
view.setTag(holder);
}else{
view = convertView;
holder = (ViewHoler) convertView.getTag();
}
AppInfo appInfo = appInfos.get(position);
holder.iv_icon.setBackground(appInfo.getIcon());
holder.tv_apksize.setText(Formatter.formatShortFileSize(AppManagerActivity.this, appInfo.getApkSize()));
holder.tv_name.setText(appInfo.getApkName());
if(appInfo.isRom()){
//手机内存
holder.tv_location.setText("手机内存");
}else{
//sd卡
holder.tv_location.setText("sd卡内存");
}
return view;
}

}

static class ViewHoler{
ImageView  iv_icon;
TextView tv_apksize;
TextView tv_location;
TextView tv_name;
}

private Handler handler = new Handler(){

@Override
public void handleMessage(Message msg){
adapter = new AppManagerAdapter();
list_view_callsafe.setAdapter(adapter);
}
};

/*
* 初始化apk的数据
*/
private void initData() {
//子线程中初始化，防止anr
new Thread(){

@Override
public void run(){
//获取到安装的所有的应用程序
appInfos = AppInfos.getAppInfos(AppManagerActivity.this);
handler.sendEmptyMessage(0);

}
}.start();
}

//初始化界面
private void initUi() {
setContentView(R.layout.activity_app_manager);
//View viewById = findViewById(R.id.list_view_callsafe);
//不用findViewById的方法填充
ViewUtils.inject(this);
//获取到rom内存的剩余空间
long rom_freeSpace = Environment.getDataDirectory().getFreeSpace();
//获取到sd卡的剩余空间
long sd_freeSpace = Environment.getExternalStorageDirectory().getFreeSpace();

System.out.println("内存可用" + rom_freeSpace + "sd卡可用" + sd_freeSpace);

//格式化存储卡的大小
tv_rom.setText("内存可用" + Formatter.formatFileSize(this, rom_freeSpace));
tv_sd.setText("sd卡可用" + Formatter.formatFileSize(this, sd_freeSpace));

}
}