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QueryApp.kt
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package scan
import android.content.Context
import android.content.pm.ApplicationInfo
import android.content.pm.PackageManager
import java.util.Collections
/**
* by y on 2017/2/15
*/
object QueryApp {
fun getAppInfo(context: Context, type: Int, isNoSystem: Boolean): List<AppModel> {
val appInfo = ArrayList<AppModel>()
val packageManager = context.applicationContext.packageManager
val list = packageManager.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES)
Collections.sort(list, ApplicationInfo.DisplayNameComparator(packageManager))
appInfo.clear()
when (type) {
ScanAppUtils.ALL_APP -> for (applicationInfo in list) {
appInfo.add(getAppInfo(applicationInfo, packageManager))
}
ScanAppUtils.SYSTEM_APP -> for (applicationInfo in list) {
if (applicationInfo.flags and ApplicationInfo.FLAG_SYSTEM != 0) {
appInfo.add(getAppInfo(applicationInfo, packageManager))
}
}
ScanAppUtils.NO_SYSTEM_APP -> for (applicationInfo in list) {
//非系统程序
if (applicationInfo.flags and ApplicationInfo.FLAG_SYSTEM <= 0) {
appInfo.add(getAppInfo(applicationInfo, packageManager))
}//更新后，成为第三方应用
else if (applicationInfo.flags and ApplicationInfo.FLAG_UPDATED_SYSTEM_APP != 0 && isNoSystem) {
appInfo.add(getAppInfo(applicationInfo, packageManager))
}
}
}
return appInfo
}
private fun getAppInfo(applicationInfo: ApplicationInfo, pm: PackageManager): AppModel {
val appModel = AppModel()
appModel.appLabel = applicationInfo.loadLabel(pm).toString()
appModel.appIcon = applicationInfo.loadIcon(pm)
appModel.pkgName = applicationInfo.packageName
return appModel
}
}