[ Android ] Query If Package is Installed

Declare Query Request for Package

<queries>
    <package android:name="com.tencent.mm" />
    <package android:name="com.xingin.xhs" />
</queries>

Query Install State

fun Context.isPackageInstalled(packageName: String): Boolean {
    try {
        packageManager.getApplicationInfo(packageName, 0)
        return true
    } catch (e: Throwable) {
        return false
    }
}