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sNotzColor: Use own color picker
Which is a modernized, simplified version of colorpicker library by @QuadFlask (ref: https://github.com/QuadFlask/colorpicker/). Due credits to the original author. Signed-off-by: sunilpaulmathew <[email protected]>
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156 changes: 156 additions & 0 deletions
156
app/src/main/java/com/sunilpaulmathew/snotz/colorpicker/ColorPickerDialog.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,156 @@ | ||
| package com.sunilpaulmathew.snotz.colorpicker; | ||
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| import android.content.Context; | ||
| import android.content.DialogInterface; | ||
| import android.graphics.Color; | ||
| import android.view.Gravity; | ||
| import android.view.ViewGroup; | ||
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| import androidx.appcompat.widget.LinearLayoutCompat; | ||
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| import com.google.android.material.dialog.MaterialAlertDialogBuilder; | ||
| import com.sunilpaulmathew.snotz.R; | ||
| import com.sunilpaulmathew.snotz.colorpicker.interfaces.ColorPickerClickListener; | ||
| import com.sunilpaulmathew.snotz.colorpicker.interfaces.OnColorSelectedListener; | ||
| import com.sunilpaulmathew.snotz.colorpicker.views.AlphaSlider; | ||
| import com.sunilpaulmathew.snotz.colorpicker.views.ColorPickerView; | ||
| import com.sunilpaulmathew.snotz.colorpicker.views.LightnessSlider; | ||
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| public class ColorPickerDialog { | ||
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| private final ColorPickerView colorPickerView; | ||
| private final LinearLayoutCompat pickerContainer; | ||
| private final MaterialAlertDialogBuilder builder; | ||
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| private final Integer[] initialColor = new Integer[] { | ||
| null, null, null, null, null | ||
| }; | ||
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| private ColorPickerDialog(Context context) { | ||
| this(context, 0); | ||
| } | ||
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| private ColorPickerDialog(Context context, int theme) { | ||
| int defaultMargin = getDimensionAsPx(context, R.dimen.default_slider_margin); | ||
| int defaultMarginTop = getDimensionAsPx(context, R.dimen.default_margin_top); | ||
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| builder = new MaterialAlertDialogBuilder(context, theme); | ||
| pickerContainer = new LinearLayoutCompat(context); | ||
| pickerContainer.setOrientation(LinearLayoutCompat.VERTICAL); | ||
| pickerContainer.setGravity(Gravity.CENTER_HORIZONTAL); | ||
| pickerContainer.setPadding(defaultMargin, defaultMarginTop, defaultMargin, 0); | ||
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| LinearLayoutCompat.LayoutParams layoutParamsForColorPickerView = new LinearLayoutCompat.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 0); | ||
| layoutParamsForColorPickerView.weight = 1; | ||
| colorPickerView = new ColorPickerView(context); | ||
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| pickerContainer.addView(colorPickerView, layoutParamsForColorPickerView); | ||
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| builder.setView(pickerContainer); | ||
| } | ||
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| public static ColorPickerDialog with(Context context) { | ||
| return new ColorPickerDialog(context); | ||
| } | ||
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| public static ColorPickerDialog with(Context context, int theme) { | ||
| return new ColorPickerDialog(context, theme); | ||
| } | ||
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| public ColorPickerDialog setTitle(String title) { | ||
| builder.setTitle(title); | ||
| return this; | ||
| } | ||
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| public ColorPickerDialog setTitle(int titleId) { | ||
| builder.setTitle(titleId); | ||
| return this; | ||
| } | ||
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| public ColorPickerDialog initialColor(int initialColor) { | ||
| this.initialColor[0] = initialColor; | ||
| return this; | ||
| } | ||
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| public ColorPickerDialog density(int density) { | ||
| colorPickerView.setDensity(density); | ||
| return this; | ||
| } | ||
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| public ColorPickerDialog setOnColorSelectedListener(OnColorSelectedListener onColorSelectedListener) { | ||
| colorPickerView.addOnColorSelectedListener(onColorSelectedListener); | ||
| return this; | ||
| } | ||
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| public ColorPickerDialog setPositiveButton(CharSequence text, final ColorPickerClickListener onClickListener) { | ||
| builder.setPositiveButton(text, (dialog, which) -> positiveButtonOnClick(dialog, onClickListener)); | ||
| return this; | ||
| } | ||
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| public ColorPickerDialog setPositiveButton(int textId, final ColorPickerClickListener onClickListener) { | ||
| builder.setPositiveButton(textId, (dialog, which) -> positiveButtonOnClick(dialog, onClickListener)); | ||
| return this; | ||
| } | ||
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| public ColorPickerDialog setNegativeButton(CharSequence text, DialogInterface.OnClickListener onClickListener) { | ||
| builder.setNegativeButton(text, onClickListener); | ||
| return this; | ||
| } | ||
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| public ColorPickerDialog setNegativeButton(int textId, DialogInterface.OnClickListener onClickListener) { | ||
| builder.setNegativeButton(textId, onClickListener); | ||
| return this; | ||
| } | ||
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| public MaterialAlertDialogBuilder build() { | ||
| Context context = builder.getContext(); | ||
| colorPickerView.setInitialColors(initialColor, getStartOffset(initialColor)); | ||
| boolean isBorderEnabled = true; | ||
| colorPickerView.setShowBorder(isBorderEnabled); | ||
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| LinearLayoutCompat.LayoutParams layoutParamsForLightnessBar = new LinearLayoutCompat.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getDimensionAsPx(context, R.dimen.default_slider_height)); | ||
| LightnessSlider lightnessSlider = new LightnessSlider(context); | ||
| lightnessSlider.setLayoutParams(layoutParamsForLightnessBar); | ||
| pickerContainer.addView(lightnessSlider); | ||
| colorPickerView.setLightnessSlider(lightnessSlider); | ||
| lightnessSlider.setColor(getStartColor(initialColor)); | ||
| lightnessSlider.setShowBorder(isBorderEnabled); | ||
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| LinearLayoutCompat.LayoutParams layoutParamsForAlphaBar = new LinearLayoutCompat.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getDimensionAsPx(context, R.dimen.default_slider_height)); | ||
| AlphaSlider alphaSlider = new AlphaSlider(context); | ||
| alphaSlider.setLayoutParams(layoutParamsForAlphaBar); | ||
| pickerContainer.addView(alphaSlider); | ||
| colorPickerView.setAlphaSlider(alphaSlider); | ||
| alphaSlider.setColor(getStartColor(initialColor)); | ||
| alphaSlider.setShowBorder(isBorderEnabled); | ||
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| return builder; | ||
| } | ||
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| private Integer getStartOffset(Integer[] colors) { | ||
| int start = 0; | ||
| for (int i = 0; i < colors.length; i++) { | ||
| if (colors[i] == null) { | ||
| return start; | ||
| } | ||
| start = (i + 1) / 2; | ||
| } | ||
| return start; | ||
| } | ||
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| private int getStartColor(Integer[] colors) { | ||
| Integer startColor = getStartOffset(colors); | ||
| return startColor == null ? Color.WHITE : colors[startColor]; | ||
| } | ||
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| private static int getDimensionAsPx(Context context, int rid) { | ||
| return (int) (context.getResources().getDimension(rid) + .5f); | ||
| } | ||
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| private void positiveButtonOnClick(DialogInterface dialog, ColorPickerClickListener onClickListener) { | ||
| int selectedColor = colorPickerView.getSelectedColor(); | ||
| Integer[] allColors = colorPickerView.getAllColors(); | ||
| onClickListener.onClick(dialog, selectedColor, allColors); | ||
| } | ||
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| } |
18 changes: 18 additions & 0 deletions
18
app/src/main/java/com/sunilpaulmathew/snotz/colorpicker/License.md
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| ## License | ||
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| ``` | ||
| Copyright (C) 2014-2017 QuadFlask | ||
| Copyright (C) 2025-2026 sunilpaulmathew <[email protected]> | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| ``` |
7 changes: 7 additions & 0 deletions
7
.../main/java/com/sunilpaulmathew/snotz/colorpicker/interfaces/ColorPickerClickListener.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| package com.sunilpaulmathew.snotz.colorpicker.interfaces; | ||
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| import android.content.DialogInterface; | ||
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| public interface ColorPickerClickListener { | ||
| void onClick(DialogInterface d, int lastSelectedColor, Integer[] allColors); | ||
| } |
15 changes: 15 additions & 0 deletions
15
app/src/main/java/com/sunilpaulmathew/snotz/colorpicker/interfaces/ColorWheelRenderer.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,15 @@ | ||
| package com.sunilpaulmathew.snotz.colorpicker.interfaces; | ||
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| import android.graphics.Canvas; | ||
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| import com.sunilpaulmathew.snotz.colorpicker.utils.ColorCircle; | ||
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| import java.util.List; | ||
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| public interface ColorWheelRenderer { | ||
| float GAP_PERCENTAGE = 0.025f; | ||
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| void draw(int density, float maxRadius, float lightness, float alpha, float strokeWidth, float cSize, Canvas targetCanvas); | ||
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| List<ColorCircle> getColorCircleList(); | ||
| } |
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