Created
November 28, 2021 11:22
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Dialog that shows system colors table on api 31+
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import android.app.AlertDialog | |
import android.content.Context | |
import android.graphics.Color | |
import android.os.Build | |
import android.view.ViewGroup | |
import android.widget.LinearLayout | |
import android.widget.TextView | |
import androidx.core.content.ContextCompat | |
import androidx.core.graphics.ColorUtils | |
fun showSystemColors(context: Context) { | |
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) { | |
fun ViewGroup.addColorRow(colorResId: Int, description: String) { | |
addView(TextView(context).apply { | |
val color = ContextCompat.getColor(context, colorResId) | |
setBackgroundColor(color) | |
text = description | |
setTextColor(if (ColorUtils.calculateLuminance(color) >= 0.5f) { | |
Color.BLACK | |
} else { | |
Color.WHITE | |
}) | |
setPadding(8, 0, 8, 0) | |
}) | |
} | |
val rootView = LinearLayout(context) | |
rootView.layoutParams = LinearLayout.LayoutParams( | |
ViewGroup.LayoutParams.MATCH_PARENT, | |
ViewGroup.LayoutParams.WRAP_CONTENT | |
) | |
rootView.orientation = LinearLayout.HORIZONTAL | |
val ac1View = LinearLayout(context).apply { | |
layoutParams = LinearLayout.LayoutParams( | |
ViewGroup.LayoutParams.WRAP_CONTENT, | |
ViewGroup.LayoutParams.WRAP_CONTENT | |
) | |
orientation = LinearLayout.VERTICAL | |
addColorRow(android.R.color.system_accent1_0, "ac1_0") | |
addColorRow(android.R.color.system_accent1_10, "ac1_10") | |
addColorRow(android.R.color.system_accent1_50, "ac1_50") | |
addColorRow(android.R.color.system_accent1_100, "ac1_100") | |
addColorRow(android.R.color.system_accent1_200, "ac1_200") | |
addColorRow(android.R.color.system_accent1_300, "ac1_300") | |
addColorRow(android.R.color.system_accent1_400, "ac1_400") | |
addColorRow(android.R.color.system_accent1_500, "ac1_500") | |
addColorRow(android.R.color.system_accent1_600, "ac1_600") | |
addColorRow(android.R.color.system_accent1_700, "ac1_700") | |
addColorRow(android.R.color.system_accent1_800, "ac1_800") | |
addColorRow(android.R.color.system_accent1_900, "ac1_900") | |
addColorRow(android.R.color.system_accent1_1000, "ac1_1000") | |
} | |
rootView.addView(ac1View) | |
val ac2View = LinearLayout(context).apply { | |
layoutParams = LinearLayout.LayoutParams( | |
ViewGroup.LayoutParams.WRAP_CONTENT, | |
ViewGroup.LayoutParams.WRAP_CONTENT | |
) | |
orientation = LinearLayout.VERTICAL | |
addColorRow(android.R.color.system_accent2_0, "ac2_0") | |
addColorRow(android.R.color.system_accent2_10, "ac2_10") | |
addColorRow(android.R.color.system_accent2_50, "ac2_50") | |
addColorRow(android.R.color.system_accent2_100, "ac2_100") | |
addColorRow(android.R.color.system_accent2_200, "ac2_200") | |
addColorRow(android.R.color.system_accent2_300, "ac2_300") | |
addColorRow(android.R.color.system_accent2_400, "ac2_400") | |
addColorRow(android.R.color.system_accent2_500, "ac2_500") | |
addColorRow(android.R.color.system_accent2_600, "ac2_600") | |
addColorRow(android.R.color.system_accent2_700, "ac2_700") | |
addColorRow(android.R.color.system_accent2_800, "ac2_800") | |
addColorRow(android.R.color.system_accent2_900, "ac2_900") | |
addColorRow(android.R.color.system_accent2_1000, "ac2_1000") | |
} | |
rootView.addView(ac2View) | |
val ac3View = LinearLayout(context).apply { | |
layoutParams = LinearLayout.LayoutParams( | |
ViewGroup.LayoutParams.WRAP_CONTENT, | |
ViewGroup.LayoutParams.WRAP_CONTENT | |
) | |
orientation = LinearLayout.VERTICAL | |
addColorRow(android.R.color.system_accent3_0, "ac3_0") | |
addColorRow(android.R.color.system_accent3_10, "ac3_10") | |
addColorRow(android.R.color.system_accent3_50, "ac3_50") | |
addColorRow(android.R.color.system_accent3_100, "ac3_100") | |
addColorRow(android.R.color.system_accent3_200, "ac3_200") | |
addColorRow(android.R.color.system_accent3_300, "ac3_300") | |
addColorRow(android.R.color.system_accent3_400, "ac3_400") | |
addColorRow(android.R.color.system_accent3_500, "ac3_500") | |
addColorRow(android.R.color.system_accent3_600, "ac3_600") | |
addColorRow(android.R.color.system_accent3_700, "ac3_700") | |
addColorRow(android.R.color.system_accent3_800, "ac3_800") | |
addColorRow(android.R.color.system_accent3_900, "ac3_900") | |
addColorRow(android.R.color.system_accent3_1000, "ac3_1000") | |
} | |
rootView.addView(ac3View) | |
val n1View = LinearLayout(context).apply { | |
layoutParams = LinearLayout.LayoutParams( | |
ViewGroup.LayoutParams.WRAP_CONTENT, | |
ViewGroup.LayoutParams.WRAP_CONTENT | |
) | |
orientation = LinearLayout.VERTICAL | |
addColorRow(android.R.color.system_neutral1_0, "n1_0") | |
addColorRow(android.R.color.system_neutral1_10, "n1_10") | |
addColorRow(android.R.color.system_neutral1_50, "n1_50") | |
addColorRow(android.R.color.system_neutral1_100, "n1_100") | |
addColorRow(android.R.color.system_neutral1_200, "n1_200") | |
addColorRow(android.R.color.system_neutral1_300, "n1_300") | |
addColorRow(android.R.color.system_neutral1_400, "n1_400") | |
addColorRow(android.R.color.system_neutral1_500, "n1_500") | |
addColorRow(android.R.color.system_neutral1_600, "n1_600") | |
addColorRow(android.R.color.system_neutral1_700, "n1_700") | |
addColorRow(android.R.color.system_neutral1_800, "n1_800") | |
addColorRow(android.R.color.system_neutral1_900, "n1_900") | |
addColorRow(android.R.color.system_neutral1_1000, "n1_1000") | |
} | |
rootView.addView(n1View) | |
val n2View = LinearLayout(context).apply { | |
layoutParams = LinearLayout.LayoutParams( | |
ViewGroup.LayoutParams.WRAP_CONTENT, | |
ViewGroup.LayoutParams.WRAP_CONTENT | |
) | |
orientation = LinearLayout.VERTICAL | |
addColorRow(android.R.color.system_neutral2_0, "n2_0") | |
addColorRow(android.R.color.system_neutral2_10, "n2_10") | |
addColorRow(android.R.color.system_neutral2_50, "n2_50") | |
addColorRow(android.R.color.system_neutral2_100, "n2_100") | |
addColorRow(android.R.color.system_neutral2_200, "n2_200") | |
addColorRow(android.R.color.system_neutral2_300, "n2_300") | |
addColorRow(android.R.color.system_neutral2_400, "n2_400") | |
addColorRow(android.R.color.system_neutral2_500, "n2_500") | |
addColorRow(android.R.color.system_neutral2_600, "n2_600") | |
addColorRow(android.R.color.system_neutral2_700, "n2_700") | |
addColorRow(android.R.color.system_neutral2_800, "n2_800") | |
addColorRow(android.R.color.system_neutral2_900, "n2_900") | |
addColorRow(android.R.color.system_neutral2_1000, "n2_1000") | |
} | |
rootView.addView(n2View) | |
AlertDialog.Builder(context) | |
.setView(rootView) | |
.setNegativeButton(android.R.string.cancel) {_,_ -> } | |
.create() | |
.apply { | |
setCanceledOnTouchOutside(false) | |
show() | |
} | |
} | |
} |
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