以下方法可打印APP信息，用作debug

Set debuggableApps =newHashSet();

List apps = getPackageManager().getInstalledApplications(PackageManager.GET_META_DATA);

for(ApplicationInfo app : apps) {

String appName = app.packageName;

if((app.flags& ApplicationInfo.FLAG_DEBUGGABLE) == ApplicationInfo.FLAG_DEBUGGABLE) {

debuggableApps.add(appName);

System.out.println("---------this is debuggable app------ ");

System.out.println(app.sourceDir);

System.out.println(appName);

}

}