获取android中正在运行应用程序的列表

转自：/article/1992296.html

ActivityMain.java

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public class ActivityMain
extends ListActivity {
@Override
public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);

List<Programe> list = getRunningProcess();
ListAdapter adapter = new ListAdapter(list,this);

getListView().setAdapter(adapter);
}

//正在运行的
public List<Programe> getRunningProcess(){

PackagesInfo pi = new PackagesInfo(this);

ActivityManager am = (ActivityManager) getSystemService(ACTIVITY_SERVICE);

//获取正在运行的应用

List<RunningAppProcessInfo> run = am.getRunningAppProcesses();

//获取包管理器，在这里主要通过包名获取程序的图标和程序名

PackageManager pm =this.getPackageManager();

List<Programe> list = new ArrayList<Programe>();

for(RunningAppProcessInfo ra : run){

//这里主要是过滤系统的应用和电话应用，当然你也可以把它注释掉。

if(ra.processName.equals("system") || ra.processName.equals("com.android.phone")){

continue;
}

Programe pr = new Programe();

pr.setIcon(pi.getInfo(ra.processName).loadIcon(pm));

pr.setName(pi.getInfo(ra.processName).loadLabel(pm).toString());

System.out.println(pi.getInfo(ra.processName).loadLabel(pm).toString());

list.add(pr);
}
return list;

}

}

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public class ListAdapter
extends BaseAdapter {
List<Programe> list = new ArrayList<Programe>();

LayoutInflater la;
Context context;

public ListAdapter(List<Programe> list ,Context context){

this.list = list;

this.context = context;

}

@Override

public int getCount() {

// TODO Auto-generated method stub

return list.size();

}
@Override
public Object getItem(int position) {

// TODO Auto-generated method stub

return list.get(position);

}
@Override

public long getItemId(int position) {

// TODO Auto-generated method stub

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

ViewHolder holder;
if(convertView ==
null)
{
la = LayoutInflater.from(context);
convertView=la.inflate(R.layout.list_item,
null);

holder = new ViewHolder();

holder.imgage=(ImageView) convertView.findViewById(R.id.image);

holder.text = (TextView) convertView.findViewById(R.id.text);

convertView.setTag(holder);
}else{
holder = (ViewHolder) convertView.getTag();
}
final Programe pr = (Programe)list.get(position);

//设置图标
holder.imgage.setImageDrawable(pr.getIcon());
//设置程序名

holder.text.setText(pr.getName());

return convertView;

}
}
class ViewHolder{

TextView text;
ImageView imgage;
}

public class ListAdapter extends BaseAdapter {
List<Programe> list = new ArrayList<Programe>();
LayoutInflater la;
Context context;

public ListAdapter(List<Programe> list ,Context context){
this.list = list;
this.context = context;
}

@Override
public int getCount() {
// TODO Auto-generated method stub
return list.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return list.get(position);
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if(convertView == null)
{
la = LayoutInflater.from(context);
convertView=la.inflate(R.layout.list_item, null);

holder = new ViewHolder();
holder.imgage=(ImageView) convertView.findViewById(R.id.image);
holder.text = (TextView) convertView.findViewById(R.id.text);

convertView.setTag(holder);
}else{
holder = (ViewHolder) convertView.getTag();
}
final Programe pr = (Programe)list.get(position);
//设置图标
holder.imgage.setImageDrawable(pr.getIcon());
//设置程序名
holder.text.setText(pr.getName());

return convertView;
}
}
class ViewHolder{
TextView text;
ImageView imgage;
}

PackagesInfo.java

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public class PackagesInfo {

private List<ApplicationInfo> appList;

public PackagesInfo(Context context){

//通包管理器，检索所有的应用程序（甚至卸载的）与数据目录

PackageManager pm = context.getApplicationContext().getPackageManager();

appList = pm.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES);

}

/**
* 通过一个程序名返回该程序的一个Application对象。

* @param name 程序名
* @return ApplicationInfo

*/

public ApplicationInfo getInfo(String name){

if(name ==
null){
return null;

}
for(ApplicationInfo appinfo : appList){

if(name.equals(appinfo.processName)){

return appinfo;

}
}
return null;

}

}

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public class Programe {

//图标
private Drawable icon;

//程序名
private String name;

public Drawable getIcon() {

return icon;
}
public void setIcon(Drawable icon) {

this.icon = icon;

}
public String getName() {

return name;
}
public void setName(String name) {

this.name = name;

}

}

public class Programe {
//图标
private Drawable icon;
//程序名
private String name;

public Drawable getIcon() {
return icon;
}
public void setIcon(Drawable icon) {
this.icon = icon;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}

}

list_item.xml

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<?xml
version="1.0"
encoding="UTF-8"?>

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

android:orientation="horizontal"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

>
<ImageView

android:id="@+id/image"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginRight="10dip"

/>
<TextView

android:id="@+id/text"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

/>

</LinearLayout>

<?xml version="1.0" encoding="UTF-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
>
<ImageView
android:id="@+id/image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="10dip"
/>
<TextView
android:id="@+id/text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>

</LinearLayout>

效果如图：