Added leanback activity that implements several functions which custom dialogs depend on

app/src/main/java/com/topjohnwu/magisk/ui/base/IBaseLeanback.kt

@@ -0,0 +1,15 @@
+package com.topjohnwu.magisk.ui.base
+
+import android.content.Intent
+
+interface IBaseLeanback {
+
+    fun runWithExternalRW(callback: Runnable)
+    fun runWithPermissions(vararg permissions: String, callback: Runnable)
+    fun startActivityForResult(
+        intent: Intent,
+        requestCode: Int,
+        listener: BaseActivity.ActivityResultListener
+    )
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskActivity.kt

@@ -2,12 +2,11 @@ package com.topjohnwu.magisk.ui.base
 
 import androidx.core.net.toUri
 import androidx.databinding.ViewDataBinding
-import com.skoumal.teanity.view.TeanityActivity
 import com.topjohnwu.magisk.utils.Utils
 
 
 abstract class MagiskActivity<ViewModel : MagiskViewModel, Binding : ViewDataBinding> :
-    TeanityActivity<ViewModel, Binding>() {
+    MagiskLeanbackActivity<ViewModel, Binding>() {
 
     fun openUrl(url: String) = Utils.openLink(this, url.toUri())
 

app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskLeanbackActivity.kt

@@ -0,0 +1,61 @@
+package com.topjohnwu.magisk.ui.base
+
+import android.Manifest
+import android.content.Intent
+import androidx.collection.SparseArrayCompat
+import androidx.databinding.ViewDataBinding
+import com.karumi.dexter.Dexter
+import com.karumi.dexter.MultiplePermissionsReport
+import com.karumi.dexter.PermissionToken
+import com.karumi.dexter.listener.PermissionRequest
+import com.karumi.dexter.listener.multi.MultiplePermissionsListener
+import com.skoumal.teanity.view.TeanityActivity
+import com.topjohnwu.magisk.Const
+
+abstract class MagiskLeanbackActivity<ViewModel : MagiskViewModel, Binding : ViewDataBinding> :
+    TeanityActivity<ViewModel, Binding>(), IBaseLeanback {
+
+    private val resultListeners = SparseArrayCompat<BaseActivity.ActivityResultListener>()
+
+    @Deprecated("Permissions will be checked in a different streamlined way")
+    override fun runWithExternalRW(callback: Runnable) {
+        runWithPermissions(Manifest.permission.WRITE_EXTERNAL_STORAGE, callback = callback)
+    }
+
+    @Deprecated("Permissions will be checked in a different streamlined way")
+    override fun runWithPermissions(vararg permissions: String, callback: Runnable) {
+        Dexter.withActivity(this)
+            .withPermissions(*permissions)
+            .withListener(object : MultiplePermissionsListener {
+                override fun onPermissionsChecked(report: MultiplePermissionsReport?) {
+                    if (report?.areAllPermissionsGranted() == true) {
+                        Const.EXTERNAL_PATH.mkdirs()
+                        callback.run()
+                    }
+                }
+
+                override fun onPermissionRationaleShouldBeShown(
+                    permissions: MutableList<PermissionRequest>?,
+                    token: PermissionToken?
+                ) = Unit
+            })
+            .check()
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        resultListeners.get(requestCode)?.apply {
+            resultListeners.remove(requestCode)
+            onActivityResult(resultCode, data)
+        }
+    }
+
+    override fun startActivityForResult(
+        intent: Intent,
+        requestCode: Int,
+        listener: BaseActivity.ActivityResultListener
+    ) {
+        resultListeners.put(requestCode, listener)
+        startActivityForResult(intent, requestCode)
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ui/home/MagiskFragment.kt

@@ -7,14 +7,12 @@ import com.topjohnwu.magisk.Const
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.databinding.FragmentMagiskBinding
 import com.topjohnwu.magisk.model.events.*
+import com.topjohnwu.magisk.ui.base.MagiskActivity
 import com.topjohnwu.magisk.utils.ISafetyNetHelper
 import com.topjohnwu.magisk.view.MarkDownWindow
 import com.topjohnwu.magisk.view.SafetyNet
 import com.topjohnwu.magisk.view.SafetyNet.EXT_APK
-import com.topjohnwu.magisk.view.dialogs.CustomAlertDialog
-import com.topjohnwu.magisk.view.dialogs.EnvFixDialog
-import com.topjohnwu.magisk.view.dialogs.ManagerInstallDialog
-import com.topjohnwu.magisk.view.dialogs.UninstallDialog
+import com.topjohnwu.magisk.view.dialogs.*
 import com.topjohnwu.net.Networking
 import com.topjohnwu.superuser.Shell
 import org.koin.androidx.viewmodel.ext.android.viewModel
@@ -47,8 +45,8 @@ class MagiskFragment : NewMagiskFragment<HomeViewModel, FragmentMagiskBinding>()
             installManager()
             return
         }
-        //FIXME dialog requires old base
-        //MagiskInstallDialog(requireActivity()).show()
+
+        MagiskInstallDialog(requireActivity() as MagiskActivity<*, *>).show()
     }
 
     private fun installManager() = ManagerInstallDialog(requireActivity()).show()