我正在尝试设置警报对话框中按钮的文本颜色。我的应用程序支持日夜模式。我的AlertDialog主题扩展了Theme.MaterialComponents.DayNight.Dialog.Alert
并且我已经覆盖了colorAccent
和android:colorAccent
属性,但是它不起作用,并向我显示了完全不同的颜色。
<style name="AlertDialogTheme" parent="Theme.MaterialComponents.DayNight.Dialog.Alert">
<item name="android:colorAccent">#FF0000</item>
<item name="colorAccent">#FF0000</item>
</style>
尝试一下:
import android.os.Bundle
import android.widget.Toast
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.app.AppCompatActivity
class MainActivity : AppCompatActivity() {
lateinit var dialogBuilder: AlertDialog.Builder
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
dialogBuilder = AlertDialog.Builder(this)
dialogBuilder.setMessage("Check your internet connection")
.setPositiveButton("OK") { _, _ ->
Toast.makeText(this,"Ok",Toast.LENGTH_LONG).show()
}.setCancelable(false)
.create().show()
}
}
还有颜色,我们有:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="colorPrimary">#008577</color>
<color name="colorPrimaryDark">#00574B</color>
<color name="colorAccent">#00ff00</color>
</resources>