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package moe.yuuta.workmode.access
import android.content.Context
import android.content.pm.LauncherApps
import android.content.pm.PackageManager
import android.os.Bundle
import android.os.PersistableBundle
import android.os.Process
import android.os.UserHandle
import android.system.Os
import moe.yuuta.workmode.BuildConfig
import java.lang.reflect.Field
import java.lang.reflect.Method
/**
* An layer to access package suspending related APIs, it is a low-level layer which is used to call System APIs directly.
*
* TODO: Multi-user support
*/
internal class AccessLayer(private val mContext: Context) {
private val mPM: PackageManager = mContext.packageManager
fun setPackagesSuspended(packageNames: Array<String>, suspended: Boolean,
appExtras: PersistableBundle, launcherExtras: PersistableBundle,
dialogMessage: String): Array<String> {
// ApplicationPackageManager ALWAYS uses context.getOpPackageName() as the argument "callingPackage"
// My callingPackage MUSTN'T equals to 'android'
// If we are using packageName of 'android', system will show disabled
// by admin dialog instead of suspended dialog
// F**k Google
val func: Method = Class.forName("android.content.pm.IPackageManager")
.getDeclaredMethod("setPackagesSuspendedAsUser",
Array<String>::class.java,
Boolean::class.java,
PersistableBundle::class.java,
PersistableBundle::class.java,
String::class.java,
String::class.java,
Int::class.java)
// It's an unstable design
val iPM: Field = mPM::class.java.getDeclaredField("mPM")
iPM.isAccessible = true
return func.invoke(iPM.get(mPM),
packageNames,
suspended,
appExtras,
launcherExtras,
dialogMessage,
BuildConfig.APPLICATION_ID,
UserHandle.getUserHandleForUid(mPM.getPackageUid(mContext.packageName, 0)).hashCode()) as Array<String>
}
/**
* This method will SET your UID and you WON'T BE ABLE TO GO BACK.
* Create a new process and access it.
*/
fun getSuspendedPackageAppExtras(packageName: String): PersistableBundle? {
Os.setuid(mPM.getPackageUid(packageName, 0))
// ApplicationPackageManager ALWAYS uses context.getOpPackageName() as the package name
// F**k Google
val func: Method = Class.forName("android.content.pm.IPackageManager")
.getDeclaredMethod("getSuspendedPackageAppExtras",
String::class.java,
Int::class.java)
// It's an unstable design
val iPM: Field = mPM::class.java.getDeclaredField("mPM")
iPM.isAccessible = true
return func.invoke(iPM.get(mPM),
packageName,
UserHandle.getUserHandleForUid(mPM.getPackageUid(packageName, 0)).hashCode()) as PersistableBundle?
}
@Throws(PackageManager.NameNotFoundException::class)
fun isPackageSuspended(packageName: String): Boolean {
val func: Method = PackageManager::class.java.getDeclaredMethod("isPackageSuspended",
String::class.java)
return func.invoke(mPM, packageName) as Boolean
}
fun getSuspendedPackageLauncherExtras(packageName: String): Bundle? =
mContext.getSystemService(LauncherApps::class.java).getSuspendedPackageLauncherExtras(packageName, Process.myUserHandle())
}
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