Updated on 2026-08-14

common/src/main/kotlin/com/tangem/common/keyboard/KeyboardValidator.kt

@@ -0,0 +1,83 @@
+package com.tangem.common.keyboard
+
+import android.content.Context
+import android.provider.Settings
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * Keyboard validator
+ *
+ * @property context application context
+ */
+@Singleton
+class KeyboardValidator @Inject constructor(
+    @ApplicationContext private val context: Context,
+) {
+
+    /** Get keyboard identifier [KeyboardID] */
+    fun getKeyboardId(): KeyboardID? {
+        val id = Settings.Secure.getString(
+            this.context.contentResolver,
+            Settings.Secure.DEFAULT_INPUT_METHOD,
+        ) ?: return null
+
+        return KeyboardID(value = id)
+    }
+
+    /** Check if [id] is trusted */
+    fun validate(id: KeyboardID): Boolean = trustedIdentifiers.contains(id.getPackageName())
+
+    /**
+     * Keyboard identifier
+     *
+     * @property value value
+     */
+    @JvmInline
+    value class KeyboardID(val value: String) {
+
+        /** Get package name */
+        fun getPackageName(): String? = value.split("/").firstOrNull()
+    }
+
+    private companion object {
+
+        val trustedIdentifiers = listOf(
+            // Google
+            "com.android.inputmethod.latin",
+            "com.google.android.inputmethod.latin",
+            "com.google.android.tts",
+
+            // Samsung
+            "com.sec.android.inputmethod.latin",
+            "com.sec.android.inputmethod/.SamsungVoiceIME",
+            "com.samsung.android.honeyboard",
+
+            // Microsoft
+            "com.microsoft.SwiftKeyApp",
+            "com.touchtype.swiftkey",
+            "com.touchtype.swiftkey.beta",
+
+            // HtC
+            "com.htc.sense.ime.langpack.tger",
+
+            // LG
+            "com.lge.ime",
+
+            // Huawei
+            "com.huawei.ohos.inputmethod",
+
+            // Third party
+            "com.menny.android.anysoftkeyboard",
+            "ch.icoaching.wrio",
+            "rkr.simplekeyboard.inputmethod",
+            "keepass2android.keepass2android",
+            "keepass2android.keepass2android_nonet",
+            "com.softwarevalencia.openboard.inputmethod.latin",
+            "kl.ime.oh",
+            "com.syntellia.fleksy.keyboard",
+            "org.pocketworkstation.pckeyboard",
+        )
+    }
+}