效果圖：

說明：

第一行：應用程序名稱

第二行：應用程序包名

第三行：應用程序入口Activity名稱

代碼如下：

packagecom.hello.project;

importjava.util.ArrayList;

importjava.util.Collections;

importjava.util.HashMap;

importjava.util.Iterator;

importjava.util.List;

importjava.util.Map;

importandroid.app.Activity;

importandroid.app.ProgressDialog;

importandroid.content.ComponentName;

importandroid.content.Context;

importandroid.content.Intent;

importandroid.content.pm.ApplicationInfo;

importandroid.content.pm.PackageManager;

importandroid.content.pm.ResolveInfo;

importandroid.graphics.drawable.Drawable;

importandroid.net.Uri;

importandroid.os.Build;

importandroid.os.Bundle;

importandroid.os.Handler;

importandroid.os.Message;

importandroid.provider.Settings;

importandroid.util.Log;

importandroid.view.LayoutInflater;

importandroid.view.View;

importandroid.view.ViewGroup;

importandroid.widget.AbsListView;

importandroid.widget.AdapterView;

importandroid.widget.AbsListView.OnScrollListener;

importandroid.widget.AdapterView.OnItemClickListener;

importandroid.widget.BaseAdapter;

importandroid.widget.ImageView;

importandroid.widget.ListView;

importandroid.widget.SimpleAdapter;

importandroid.widget.TextView;

publicclassSoftActivityextendsActivityimplementsRunnable?,OnItemClickListener{

privateList>?list?=null;

privateListView?softlist?=null;

privateProgressDialog?pd;

privateContext?mContext;

privatePackageManager?mPackageManager;

privateList?mAllApps;

@Override

protectedvoidonCreate(Bundle?savedInstanceState)?{

setContentView(R.layout.software);

setTitle("文件管理器");

mContext?=?this;

mPackageManager?=?getPackageManager();

softlist?=?(ListView)?findViewById(R.id.softlist);

pd?=?ProgressDialog.show(this,"請稍候..","正在收集軟件信息...",true,false);

Thread?thread?=?newThread(this);

thread.start();

super.onCreate(savedInstanceState);

}

/**

*?檢查系統應用程序，添加到應用列表中

*/

privatevoidbindMsg(){

//應用過濾條件

Intent?mainIntent?=?newIntent(Intent.ACTION_MAIN,null);

mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);

mAllApps?=?mPackageManager.queryIntentActivities(mainIntent,?0);

softlist.setAdapter(newMyAdapter(mContext,?mAllApps));

softlist.setOnItemClickListener(this);

//按報名排序

Collections.sort(mAllApps,?newResolveInfo.DisplayNameComparator(mPackageManager));

}

@Override

publicvoidrun()?{

bindMsg();

handler.sendEmptyMessage(0);

}

privateHandler?handler?=newHandler()?{

publicvoidhandleMessage(Message?msg)?{

pd.dismiss();

}

};

classMyAdapterextendsBaseAdapter{

privateContext?context;

privateList?resInfo;

privateResolveInfo?res;

privateLayoutInflater?infater=null;

publicMyAdapter(Context?context,?List?resInfo)?{

this.context?=?context;

this.resInfo?=?resInfo;

infater?=?(LayoutInflater)?context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

}

@Override

publicintgetCount()?{

returnresInfo.size();

}

@Override

publicObject?getItem(intarg0)?{

returnarg0;

}

@Override

publiclonggetItemId(intposition)?{

returnposition;

}

@Override

publicView?getView(intposition,?View?convertView,?ViewGroup?parent)?{

//??View?view?=?null;

ViewHolder?holder?=?null;

if(convertView?==null||?convertView.getTag()?==null)?{

convertView?=?infater.inflate(R.layout.soft_row,?null);

holder?=?newViewHolder(convertView);

convertView.setTag(holder);

}

else{

//?????view?=?convertView?;

holder?=?(ViewHolder)?convertView.getTag()?;

}

//獲取應用程序包名，程序名稱，程序圖標

res?=?resInfo.get(position);

holder.appIcon.setImageDrawable(res.loadIcon(mPackageManager));

holder.tvAppLabel.setText(res.loadLabel(mPackageManager).toString());

holder.tvPkgName.setText(res.activityInfo.packageName+'\n'+res.activityInfo.name);

returnconvertView;

/*convertView?=?LayoutInflater.from(context).inflate(R.layout.soft_row,?null);

app_icon?=?(ImageView)convertView.findViewById(R.id.img);

app_tilte?=?(TextView)convertView.findViewById(R.id.name);

app_des?=?(TextView)convertView.findViewById(R.id.desc);

res?=?resInfo.get(position);

app_icon.setImageDrawable(res.loadIcon(mPackageManager));

app_tilte.setText(res.loadLabel(mPackageManager).toString());

app_des.setText(res.activityInfo.packageName+'\n'+res.activityInfo.name);

return?convertView;*/

}

}

//設定界面布局

classViewHolder?{

ImageView?appIcon;

TextView?tvAppLabel;

TextView?tvPkgName;

publicViewHolder(View?view)?{

this.appIcon?=?(ImageView)?view.findViewById(R.id.img);

this.tvAppLabel?=?(TextView)?view.findViewById(R.id.name);

this.tvPkgName?=?(TextView)?view.findViewById(R.id.desc);

}

}

/**

*?單擊應用程序后進入系統應用管理界面

*/

@Override

publicvoidonItemClick(AdapterView>?arg0,?View?arg1,intposition,longarg3)?{

ResolveInfo?res?=?mAllApps.get(position);

//該應用的包名和主Activity

String?pkg?=?res.activityInfo.packageName;

String?cls?=?res.activityInfo.name;

ComponentName?componet?=?newComponentName(pkg,?cls);

Intent?i?=?newIntent();

i.setComponent(componet);

startActivity(i);

}

}

package com.hello.project;

import java.util.ArrayList;

import java.util.Collections;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import android.app.Activity;

import android.app.ProgressDialog;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.pm.ApplicationInfo;

import android.content.pm.PackageManager;

import android.content.pm.ResolveInfo;

import android.graphics.drawable.Drawable;

import android.net.Uri;

import android.os.Build;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.provider.Settings;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.AbsListView;

import android.widget.AdapterView;

import android.widget.AbsListView.OnScrollListener;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.BaseAdapter;

import android.widget.ImageView;

import android.widget.ListView;

import android.widget.SimpleAdapter;

import android.widget.TextView;

public class SoftActivity extends Activity implements Runnable ,OnItemClickListener{

private List> list = null;

private ListView softlist = null;

private ProgressDialog pd;

private Context mContext;

private PackageManager mPackageManager;

private List mAllApps;

@Override

protected void onCreate(Bundle savedInstanceState) {

setContentView(R.layout.software);

setTitle("文件管理器");

mContext = this;

mPackageManager = getPackageManager();

softlist = (ListView) findViewById(R.id.softlist);

pd = ProgressDialog.show(this, "請稍候..", "正在收集軟件信息...", true,false);

Thread thread = new Thread(this);

thread.start();

super.onCreate(savedInstanceState);

}

/**

* 檢查系統應用程序，添加到應用列表中

*/

private void bindMsg(){

//應用過濾條件

Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);

mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);

mAllApps = mPackageManager.queryIntentActivities(mainIntent, 0);

softlist.setAdapter(new MyAdapter(mContext, mAllApps));

softlist.setOnItemClickListener(this);

//按報名排序

Collections.sort(mAllApps, new ResolveInfo.DisplayNameComparator(mPackageManager));

}

@Override

public void run() {

bindMsg();

handler.sendEmptyMessage(0);

}

private Handler handler = new Handler() {

public void handleMessage(Message msg) {

pd.dismiss();

}

};

class MyAdapter extends BaseAdapter{

private Context context;

private List resInfo;

private ResolveInfo res;

private LayoutInflater infater=null;

public MyAdapter(Context context, List resInfo) {

this.context = context;

this.resInfo = resInfo;

infater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

}

@Override

public int getCount() {

return resInfo.size();

}

@Override

public Object getItem(int arg0) {

return arg0;

}

@Override

public long getItemId(int position) {

return position;

}

@Override

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

//View view = null;

ViewHolder holder = null;

if (convertView == null || convertView.getTag() == null) {

convertView = infater.inflate(R.layout.soft_row, null);

holder = new ViewHolder(convertView);

convertView.setTag(holder);

}

else{

// view = convertView ;

holder = (ViewHolder) convertView.getTag() ;

}

//獲取應用程序包名，程序名稱，程序圖標

res = resInfo.get(position);

holder.appIcon.setImageDrawable(res.loadIcon(mPackageManager));

holder.tvAppLabel.setText(res.loadLabel(mPackageManager).toString());

holder.tvPkgName.setText(res.activityInfo.packageName+'\n'+res.activityInfo.name);

return convertView;

/*convertView = LayoutInflater.from(context).inflate(R.layout.soft_row, null);

app_icon = (ImageView)convertView.findViewById(R.id.img);

app_tilte = (TextView)convertView.findViewById(R.id.name);

app_des = (TextView)convertView.findViewById(R.id.desc);

res = resInfo.get(position);

app_icon.setImageDrawable(res.loadIcon(mPackageManager));

app_tilte.setText(res.loadLabel(mPackageManager).toString());

app_des.setText(res.activityInfo.packageName+'\n'+res.activityInfo.name);

return convertView;*/

}

}

//設定界面布局

class ViewHolder {

ImageView appIcon;

TextView tvAppLabel;

TextView tvPkgName;

public ViewHolder(View view) {

this.appIcon = (ImageView) view.findViewById(R.id.img);

this.tvAppLabel = (TextView) view.findViewById(R.id.name);

this.tvPkgName = (TextView) view.findViewById(R.id.desc);

}

}

/**

* 單擊應用程序后進入系統應用管理界面

*/

@Override

public void onItemClick(AdapterView> arg0, View arg1, int position, long arg3) {

ResolveInfo res = mAllApps.get(position);

//該應用的包名和主Activity

String pkg = res.activityInfo.packageName;

String cls = res.activityInfo.name;

ComponentName componet = new ComponentName(pkg, cls);

Intent i = new Intent();

i.setComponent(componet);

startActivity(i);

}

}

software.xml

android:orientation="vertical"android:layout_width="fill_parent"

android:layout_height="fill_parent">

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:drawSelectorOnTop="false"

android:id="@+id/softlist"/>

android:orientation="vertical" android:layout_width="fill_parent"

android:layout_height="fill_parent">

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:drawSelectorOnTop="false"

android:id="@+id/softlist" />

soft_row.xml

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

android:id="@+id/vw1"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:orientation="horizontal">

android:layout_width="32dip"

android:layout_margin="4dip"

android:layout_height="32dip"/>

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:orientation="vertical">

android:textSize="18sp"

android:textStyle="bold"

android:layout_width="fill_parent"

android:layout_height="wrap_content"/>

android:textSize="14sp"

android:layout_width="fill_parent"

android:paddingLeft="10dip"

android:layout_height="wrap_content"/>

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

android:id="@+id/vw1"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:orientation="horizontal">

android:layout_width="32dip"

android:layout_margin="4dip"

android:layout_height="32dip"/>

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:orientation="vertical">

android:textSize="18sp"

android:textStyle="bold"

android:layout_width="fill_parent"

android:layout_height="wrap_content"/>

android:textSize="14sp"

android:layout_width="fill_parent"

android:paddingLeft="10dip"

android:layout_height="wrap_content"/>

最后別忘了添加權限：

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