android获得所有的安装app列表，并运行指定app

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final

Intent mainIntent = new

Intent(Intent.ACTION_MAIN, null);

mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);

final

List pkgAppsList = context.getPackageManager().queryIntentActivities( mainIntent,
0);

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class

PInfo {

    private

String appname = "";

    private

String pname = "";

    private

String versionName = "";

    private

int
versionCode = 0;

    private

Drawable icon;

    private

void
prettyPrint() {

        Log.v(appname
+ "\t"

+ pname + "\t"

+ versionName + "\t"

+ versionCode);

    }

}

private

ArrayList<pinfo> getPackages() {

    ArrayList<pinfo>
apps = getInstalledApps(false);
/*
false = no system packages */

    final

int
max = apps.size();

    for

(int

i=0;
i<max; arraylist<pinfo=""

private=""

}=""

apps;=""

return=""

apps.get(i).prettyprint();=""

{=""

i++)="">
getInstalledApps(boolean

getSysPackages) {

    ArrayList<pinfo>
res = new

ArrayList<pinfo>();

    List<packageinfo>
packs = getPackageManager().getInstalledPackages(0);

    for(int

i=0;i<packs.size();i++)
}=""

return=""

{=""

pre=""

<=""

res;=""

res.add(newinfo);=""

newinfo.icon="p.applicationInfo.loadIcon(getPackageManager());"

newinfo.versioncode="p.versionCode;"

newinfo.versionname="p.versionName;"

newinfo.pname="p.packageName;"

newinfo.appname="p.applicationInfo.loadLabel(getPackageManager()).toString();"

pinfo();=""

newinfo="new"

pinfo=""

;=""

continue=""

null))=""

(p.versionname="="

&&=""

((!getsyspackages)=""

if=""

p="packs.get(i);"

packageinfo=""></packs.size();i++)></packageinfo></pinfo></pinfo></max;></pinfo></pinfo>