Meshtastic-Android/app/src/main/java/com/geeksville/mesh/android/ContextExtensions.kt

46 lines
1.6 KiB
Kotlin

/*
* Copyright (c) 2025 Meshtastic LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package com.geeksville.mesh.android
import android.app.Activity
import android.content.Context
import android.util.TypedValue
import android.view.inputmethod.InputMethodManager
import android.widget.Toast
/// show a toast
fun Context.toast(message: CharSequence) =
Toast.makeText(this, message, Toast.LENGTH_SHORT).show()
/// Utility function to hide the soft keyboard per stack overflow
fun Activity.hideKeyboard() {
// Check if no view has focus:
currentFocus?.let { v ->
val imm =
getSystemService(Context.INPUT_METHOD_SERVICE) as? InputMethodManager
imm?.hideSoftInputFromWindow(v.windowToken, 0)
}
}
// Converts SP to pixels.
fun Context.spToPx(sp: Float): Int =
TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, sp, resources.displayMetrics).toInt()
// Converts DP to pixels.
fun Context.dpToPx(dp: Float): Int =
TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, resources.displayMetrics).toInt()