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Niels-BeNiels-Be
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Add App Restrictions
App Restrictions are a way to configure an App by a mobile device management application. This lets admins set defaults without requiring a rooted phone.
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‎app/src/main/AndroidManifest.xml‎

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android:supportsRtl="true"
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android:theme="@style/AppTheme">
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<meta-data
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android:name="android.content.APP_RESTRICTIONS"
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android:resource="@xml/app_config" />
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<receiver android:name=".OnBootReceiver"
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android:exported="true">
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<intent-filter>

‎app/src/main/java/net/christianbeier/droidvnc_ng/Defaults.kt‎

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package net.christianbeier.droidvnc_ng
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import android.content.Context
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import android.content.RestrictionsManager
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import android.content.SharedPreferences
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import android.util.Log
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import android.view.Display
@@ -109,13 +110,46 @@ class Defaults {
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*/
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this.scaling = 1.0f / Utils.getDisplayMetrics(context, Display.DEFAULT_DISPLAY).density.coerceAtLeast(1.0f)
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/*
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Try read defaults from app restrictions
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*/
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val appConfig = (context.getSystemService(Context.RESTRICTIONS_SERVICE) as RestrictionsManager).applicationRestrictions
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if (appConfig != null && appConfig.size() > 0) {
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Log.i(TAG, "Loading defaults from app restrictions")
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this.port = appConfig.getInt("port", this.port)
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this.portReverse = appConfig.getInt("portReverse", this.portReverse)
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this.portRepeater = appConfig.getInt("portRepeater", this.portRepeater)
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this.fileTransfer = appConfig.getBoolean("fileTransfer", this.fileTransfer)
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this.viewOnly = appConfig.getBoolean("viewOnly", this.viewOnly)
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this.showPointers = appConfig.getBoolean("showPointers", this.showPointers)
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this.password = appConfig.getString("password", this.password) ?: this.password
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this.startOnBoot = appConfig.getBoolean("startOnBoot", this.startOnBoot)
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this.startOnBootDelay = appConfig.getInt("startOnBootDelay", this.startOnBootDelay)
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val scalingStr = appConfig.getString("scaling", "0.0")
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try {
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val scaling = scalingStr.toFloat()
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if (scaling > 0.0f)
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this.scaling = scaling
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} catch (e: NumberFormatException) {
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Log.w(TAG, "Invalid scaling value in app restrictions: $scalingStr")
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}
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val accessKey = appConfig.getString("accessKey", "")
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if (accessKey != null && accessKey.isNotEmpty())
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this.accessKey = accessKey
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return
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}
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/*
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read provided defaults
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*/
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val jsonFile = File(context.getExternalFilesDir(null), "defaults.json")
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try {
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val jsonString = jsonFile.readText()
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val readDefault = Json.decodeFromString<Defaults>(jsonString)
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Log.i(TAG, "Loading defaults from json file")
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this.port = readDefault.port
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this.portReverse = readDefault.portReverse
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this.portRepeater = readDefault.portRepeater

‎app/src/main/res/values/strings.xml‎

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@@ -70,4 +70,6 @@
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<string name="share_activtiy_server_not_running">Not shared text, server is not running.</string>
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<string name="share_activtiy_no_clients_connected">Not shared text, no clients connected.</string>
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<string name="share_activtiy_shared_successfully">Shared text to clipboards of all connected clients.</string>
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<string name="settings_port_reverse" translatable="false">Reverse Port</string>
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<string name="settings_port_repeater" translatable="false">Repeater Port</string>
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</resources>

‎app/src/main/res/xml/app_config.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<restrictions xmlns:android="http://schemas.android.com/apk/res/android">
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<restriction
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android:defaultValue="5900"
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android:key="port"
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android:restrictionType="integer"
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android:title="@string/main_activity_settings_port" />
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<restriction
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android:defaultValue="5500"
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android:key="portReverse"
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android:restrictionType="integer"
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android:title="@string/settings_port_reverse" />
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<restriction
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android:defaultValue="5500"
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android:key="portRepeater"
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android:restrictionType="integer"
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android:title="@string/settings_port_repeater" />
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<restriction
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android:defaultValue="0.0"
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android:key="scaling"
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android:restrictionType="string"
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android:title="@string/main_activity_settings_scaling" /> <!-- NOTE: float not supported, so we use string -->
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<restriction
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android:defaultValue="false"
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android:key="viewOnly"
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android:restrictionType="bool"
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android:title="@string/main_activity_settings_view_only" />
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<restriction
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android:defaultValue="false"
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android:key="showPointers"
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android:restrictionType="bool"
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android:title="@string/main_activity_settings_show_pointers" />
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<restriction
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android:defaultValue="true"
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android:key="fileTransfer"
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android:restrictionType="bool"
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android:title="@string/main_activity_settings_file_transfer" />
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<restriction
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android:defaultValue=""
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android:key="password"
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android:restrictionType="string"
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android:title="@string/main_activity_settings_password" />
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<restriction
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android:defaultValue=""
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android:key="accessKey"
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android:restrictionType="string"
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android:title="@string/main_activity_settings_access_key" />
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<restriction
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android:defaultValue="true"
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android:key="startOnBoot"
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android:restrictionType="bool"
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android:title="@string/main_activity_settings_start_on_boot" />
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<restriction
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android:defaultValue="0"
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android:key="startOnBootDelay"
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android:restrictionType="integer"
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android:title="@string/main_activity_settings_start_on_boot_delay" />
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</restrictions>

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