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package ca.allanwang.kau.utils
import android.content.Context
import android.content.pm.PackageManager
import android.os.Build
import android.support.annotation.RequiresApi
/**
* Created by Allan Wang on 2017-06-23.
*/
/**
* Checks if a given package is installed
* @param packageName packageId
* @return true if installed with activity, false otherwise
*/
@KauUtils fun Context.isAppInstalled(packageName: String): Boolean {
val pm = packageManager
var installed: Boolean
try {
pm.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES)
installed = true
} catch (e: PackageManager.NameNotFoundException) {
installed = false
}
return installed
}
val buildIsLollipopAndUp: Boolean
get() = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP
val buildIsMarshmallowAndUp: Boolean
get() = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
val buildIsNougatAndUp: Boolean
get() = Build.VERSION.SDK_INT >= Build.VERSION_CODES.N
const val INSTALLER_GOOGLE_PLAY_VENDING = "com.android.vending"
const val INSTALLER_GOOGLE_PLAY_FEEDBACK = "com.google.android.feedback"
val Context.installerPackageName: String?
get() = packageManager.getInstallerPackageName(packageName)
val Context.isFromGooglePlay: Boolean
get() {
val installer = installerPackageName
return arrayOf(INSTALLER_GOOGLE_PLAY_FEEDBACK, INSTALLER_GOOGLE_PLAY_VENDING).any { it == installer }
}
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