Files
fksar/app/src/main/java/sh/sar/basedbank/util/ThemeHelper.kt
T

79 lines
3.2 KiB
Kotlin

package sh.sar.basedbank.util
import android.content.Context
import android.graphics.Bitmap
import android.graphics.Color
import android.os.Build
import androidx.appcompat.app.AppCompatActivity
import com.google.android.material.color.DynamicColors
import com.google.android.material.color.DynamicColorsOptions
import sh.sar.basedbank.R
object ThemeHelper {
const val PRESET_BLUE = "blue"
const val PRESET_RED = "red"
const val PRESET_GREEN = "green"
const val PRESET_CUSTOM = "custom"
fun isSystemTheme(context: Context): Boolean =
context.getSharedPreferences("prefs", Context.MODE_PRIVATE)
.getString("theme", "system") == "system"
fun getAccentPreset(context: Context): String =
context.getSharedPreferences("prefs", Context.MODE_PRIVATE)
.getString("accent_preset", PRESET_BLUE) ?: PRESET_BLUE
fun getCustomColor(context: Context): Int? {
val hex = context.getSharedPreferences("prefs", Context.MODE_PRIVATE)
.getString("accent_custom_color", null) ?: return null
return try { Color.parseColor(hex) } catch (_: Exception) { null }
}
fun presetSeedColor(context: Context, preset: String): Int = when (preset) {
PRESET_RED -> Color.parseColor("#D32F2F")
PRESET_GREEN -> Color.parseColor("#4CAF50")
PRESET_CUSTOM -> getCustomColor(context) ?: Color.parseColor("#3F65AD")
else -> Color.parseColor("#3F65AD")
}
fun isPitchBlackEnabled(context: Context): Boolean =
context.getSharedPreferences("prefs", Context.MODE_PRIVATE)
.getBoolean("pitch_black", false)
/**
* Apply the user-chosen accent theme to the given activity.
* Must be called BEFORE super.onCreate() so window-level attributes
* (status bar color, etc.) are resolved from the correct overlay.
* Has no effect when the theme is set to "system" (dynamic colors are
* handled by BasedBankApp via DynamicColors.applyToActivitiesIfAvailable).
*/
fun applyAccent(activity: AppCompatActivity) {
if (isSystemTheme(activity)) return
val preset = getAccentPreset(activity)
val seed = presetSeedColor(activity, preset)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
val bitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888)
bitmap.setPixel(0, 0, seed)
DynamicColors.applyToActivityIfAvailable(
activity,
DynamicColorsOptions.Builder().setContentBasedSource(bitmap).build()
)
} else {
// API < 31: apply a simple style overlay (partial palette, but functional)
val styleRes = when (preset) {
PRESET_RED -> R.style.ThemeOverlay_Accent_Orange
PRESET_GREEN -> R.style.ThemeOverlay_Accent_Green
else -> R.style.ThemeOverlay_Accent_Blue
}
activity.theme.applyStyle(styleRes, true)
}
val prefs = activity.getSharedPreferences("prefs", Context.MODE_PRIVATE)
val isDark = prefs.getString("theme", "system") == "dark"
if (isDark && prefs.getBoolean("pitch_black", false)) {
activity.theme.applyStyle(R.style.ThemeOverlay_PitchBlack, true)
}
}
}