Android 擷取所有安裝應用顯示在listview上

先看；

詳細看代碼；

package com.taskmanage.file;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 static final String SCHEME = "package"; private static final String APP_PKG_NAME_21 = "com.android.settings.ApplicationPkgName";private static final String APP_PKG_NAME_22 = "pkg";private static final String APP_DETAILS_PACKAGE_NAME = "com.android.settings";private static final String APP_DETAILS_CLASS_NAME = "com.android.settings.InstalledAppDetails";private List<Map<String, Object>> list = null;private ListView softlist = null;private ProgressDialog pd;private Context mContext;private PackageManager mPackageManager;private List<ResolveInfo> mAllApps;@Overrideprotected void onCreate(Bundle savedInstanceState) {setContentView(R.layout.software);setTitle("檔案管理工具");mContext = this;    mPackageManager = getPackageManager();    softlist = (ListView) findViewById(R.id.softlist); pd = ProgressDialog.show(this, "請稍候..", "正在收集軟體資訊...", true,false); Thread thread = new Thread(this);     thread.start();super.onCreate(savedInstanceState);}/** * 檢查系統應用程式，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));        }@Overridepublic 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<ResolveInfo> resInfo;    private ImageView app_icon=null;    private TextView app_tilte=null,app_des=null;    private ResolveInfo res;private LayoutInflater infater=null;           public MyAdapter(Context context, List<ResolveInfo> resInfo) {this.context = context;this.resInfo = resInfo; infater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); }@Overridepublic int getCount() {return resInfo.size();}@Overridepublic Object getItem(int arg0) {return arg0;}@Overridepublic long getItemId(int position) {return position;}@Overridepublic 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() ;          }          //擷取應用程式套件組合名，程式名稱，程式表徵圖        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;*/}    }    //設定介面布局    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);          }      }      /**     * 單擊應用程式後進入系統應用管理介面     */@Overridepublic void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) {ResolveInfo res = mAllApps.get(position);String pkg=res.activityInfo.packageName;Intent intent = new Intent();final int apiLevel = Build.VERSION.SDK_INT; if (apiLevel >= 9) {//2.2版本後intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);          Uri uri = Uri.fromParts(SCHEME, pkg, null);          intent.setData(uri);  }else{//2.2之前final String appPkgName = (apiLevel == 8 ? APP_PKG_NAME_22                  : APP_PKG_NAME_21);          intent.setAction(Intent.ACTION_VIEW);          intent.setClassName(APP_DETAILS_PACKAGE_NAME,                  APP_DETAILS_CLASS_NAME);          intent.putExtra(appPkgName, pkg); }startActivity(intent);}}

software.xml布局；

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical" android:layout_width="fill_parent"android:layout_height="fill_parent"><ListView     android:layout_width="fill_parent"android:layout_height="fill_parent" android:drawSelectorOnTop="false"android:id="@+id/softlist" /></LinearLayout>

soft_row.xml布局；

<?xml version="1.0" encoding="utf-8"?><LinearLayout    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">        <ImageView android:id="@+id/img"        android:layout_width="32dip"        android:layout_margin="4dip"        android:layout_height="32dip"/>    <LinearLayout        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:orientation="vertical">        <TextView android:id="@+id/name"            android:textSize="18sp"            android:textStyle="bold"            android:layout_width="fill_parent"            android:layout_height="wrap_content"/>        <TextView android:id="@+id/desc"            android:textSize="14sp"            android:layout_width="fill_parent"            android:paddingLeft="10dip"            android:layout_height="wrap_content"/>    </LinearLayout></LinearLayout>

最後別忘了加許可權；

<uses-permission android:name="android.permission.READ_PHONE_STATE"/> <uses-permission android:name="android.permission.GET_TASKS"/>