Android中获取后台正在运行的应用列表

package com.smit.processmanager; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import android.app.Activity; import android.app.ActivityManager; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.ApplicationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.content.pm.ResolveInfo; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.Bundle; import android.util.Log; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.LayoutInflater; import android.view.MenuItem; import android.view.View; import android.view.View.OnCreateContextMenuListener; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; public class ProcessManager extends Activity { private static final String TAG="SMIT_TAG"; //生成动态数组，加入数据 private ArrayList<HashMap<String, Object>> listItem = new ArrayList<HashMap<String, Object>>(); private ActivityManager am; private ListView listview; private AppAdapter listItemAdapter; private int curPosition=0; private UninstallReceiver mUninstallReceiver; private List<ActivityManager.RunningTaskInfo> mRunningTasks; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mUninstallReceiver = new UninstallReceiver(); //监听卸载广播 IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_REMOVED); filter.addDataScheme("package"); this.registerReceiver(mUninstallReceiver, filter); getRunningProcessList(); //getRunningActivityList(); } @Override protected void onDestroy() { // TODO Auto-generated method stub this.unregisterReceiver(mUninstallReceiver); super.onDestroy(); } /** * 获取系统中正在运行的任务信息（强调下，任务是多个activity的集合） */ private void getRunningActivityList(){ String info = "" ; // 获取的正在运行的activity的最大数量（防止太多，系统承受不了啊） int maxNum = 40; // ActivityManager的功能是为系统中所有运行着的Activity交互提供了接口， // 主要的接口围绕着运行中的进程信息，任务信息，服务信息等 ActivityManager activityManager = (ActivityManager) this.getSystemService(ACTIVITY_SERVICE); /** * 获取正在运行的任务这里一定要注意，这里我们获取的时候， * 你的任务或者其中的activity可能没结束，但是当你在后边使用的时候，很有可能已经被kill了哦。 * 意思很简单，系统返给你的正在运行的task，是暂态的，仅仅代表你调用该方法时系统中的状态， * 至于后边是否发生了该变，系统概不负责、 */ List<ActivityManager.RunningTaskInfo> runningTasks = activityManager.getRunningTasks(maxNum); for(ActivityManager.RunningTaskInfo taskInfo:runningTasks){ info+="the task info start:\n"; info+="the running activity num:"+taskInfo.numRunning; info+=";the activity count: "+taskInfo.numActivities; info+=";the currnet task activity name:"+taskInfo.baseActivity.getClassName(); Log.e(TAG, info); info=""; } } private void getRunningTasks() { int maxNum = 40; mRunningTasks = am.getRunningTasks(maxNum); } public void getRunningProcessList() { am = (ActivityManager)getSystemService(ACTIVITY_SERVICE); List<ActivityManager.RunningAppProcessInfo> list = am.getRunningAppProcesses(); PackageManager pm = this.getApplicationContext().getPackageManager(); this.getRunningTasks(); for (ActivityManager.RunningAppProcessInfo pi : list) { if (pm.getLaunchIntentForPackage(pi.processName) != null) { try { ApplicationInfo ai = pm.getApplicationInfo(pi.processName, PackageManager.GET_META_DATA); HashMap<String, Object> map = new HashMap<String, Object>(); String packageName = pi.processName; Drawable dw = ai.loadIcon(pm); map.put("AppIcon",dw); map.put("AppLabel",ai.loadLabel(pm)); map.put("AppPackageName",pi.processName); if(!isSystemApplication(this,packageName)&&!isSelf(packageName)&&!isLauncher(packageName)&&isRunningApp(packageName)) { listItem.add(map); } } catch (NameNotFoundException e) { e.printStackTrace(); } } } /*int maxNum = 40; am = (ActivityManager) this.getSystemService(ACTIVITY_SERVICE); List<ActivityManager.RunningTaskInfo> runningTasks = am.getRunningTasks(maxNum); //List<ActivityManager.RecentTaskInfo> runningTasks = am.getRecentTasks(maxNum,0); PackageManager pm = this.getPackageManager(); for (ActivityManager.RunningTaskInfo taskInfo : runningTasks) { HashMap<String, Object> map = new HashMap<String, Object>(); //String packageName = taskInfo.baseIntent.getPackage(); //String packageName = taskInfo.baseActivity.getPackageName().toString(); String packageName = taskInfo.topActivity.getPackageName().toString(); try { ApplicationInfo ai = pm.getApplicationInfo(packageName, PackageManager.GET_META_DATA); PackageInfo packageInfo = pm.getPackageInfo(packageName, PackageManager.GET_CONFIGURATIONS); map.put("AppIcon",ai.loadIcon(pm)); map.put("AppLabel",ai.loadLabel(pm)); map.put("AppPackageName",packageName); if(!isSystemApplication(this,packageName)&&!isSelf(packageName)&&!isLauncher(packageName)) { listItem.add(map); } } catch (NameNotFoundException e) { e.printStackTrace(); } }*/ //绑定Layout里面的ListView listview = (ListView) findViewById(R.id.proclist); //生成适配器的Item和动态数组对应的元素 /*listItemAdapter = new SimpleAdapter(this,listItem,//数据源 R.layout.list_items,//ListItem的XML实现 //动态数组与ImageItem对应的子项 new String[] {"AppIcon","AppLabel", "AppPackageName"}, //ImageItem的XML文件里面的一个ImageView,两个TextView ID new int[] {R.id.ItemImage,R.id.ItemTitle,R.id.ItemText} );*/ listItemAdapter=new AppAdapter(this); //添加并且显示 listview.setAdapter(listItemAdapter); //添加点击 listview.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { //setTitle("点击第"+arg2+"个项目"); Toast.makeText(ProcessManager.this,listItem.get(arg2).get("AppLabel").toString(),Toast.LENGTH_SHORT).show(); } }); //添加长按点击 listview.setOnCreateContextMenuListener(new OnCreateContextMenuListener() { @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuI