added color picker in preference

app/build.gradle

@@ -150,6 +150,7 @@ dependencies {
     implementation 'org.jsoup:jsoup:1.10.2'
     implementation 'com.jakewharton:kotterknife:0.1.0-SNAPSHOT'
     implementation "com.evernote:android-state:${state_version}"
+    implementation "petrov.kristiyan:colorpicker-library:1.1.4"
     compileOnly "org.projectlombok:lombok:${lombokVersion}"
     kapt "io.requery:requery-processor:${requery}"
     kapt "org.projectlombok:lombok:${lombokVersion}"

app/src/main/java/com/fastaccess/ui/widgets/ColorPickerPreference.java

@@ -0,0 +1,84 @@
+package com.fastaccess.ui.widgets;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.support.v7.preference.Preference;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.ArrayAdapter;
+import android.widget.Toast;
+
+import com.fastaccess.R;
+import com.fastaccess.helper.PrefGetter;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+
+import petrov.kristiyan.colorpicker.ColorPicker;
+
+/**
+ * Created by Hamad on 6/11/17.
+ */
+
+public class ColorPickerPreference extends Preference implements Preference.OnPreferenceClickListener, ColorPicker.OnChooseColorListener {
+
+    private int mValue = Color.BLACK;
+    private ColorPicker colorPicker;
+
+    public ColorPickerPreference(Context context) {
+        super(context);
+        init(context, null);
+    }
+
+    public ColorPickerPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context, attrs);
+    }
+
+    public ColorPickerPreference(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        init(context, attrs);
+    }
+
+    private void init(Context context, AttributeSet attrs) {
+        setOnPreferenceClickListener(this);
+    }
+
+    @Override
+    protected void onClick() {
+        super.onClick();
+
+        /*
+            colors should no be setup like this must be a better way to retrive them from the theme
+            or from preferences
+            also relaying on constant integers worries me
+         */
+        String[] colors = {"#F44336", "#E91E63", "#9C27B0", "#673AB7", "#3F51B5", "#2196F3", "#03A9F4", "#00BCD4", "#009688", "#4CAF50", "#8BC34A", "#CDDC39", "#FFEB3B", "#FFC107", "#FF9800","#FF5722"};
+        colorPicker = new ColorPicker(getContext()).setRoundColorButton(true).setColors(new ArrayList<>(Arrays.asList(colors)));
+        colorPicker.setDefaultColorButton(Color.parseColor(colors[PrefGetter.getThemeColor(getContext()) - 1]));
+        colorPicker.setOnChooseColorListener(this);
+        colorPicker.show();
+    }
+
+    @Override
+    public boolean onPreferenceClick(Preference preference) {
+        return false;
+    }
+
+    @Override
+    public void onChooseColor(int position, int color) {
+        // put code
+        //getOnPreferenceChangeListener().onPreferenceChange(ColorPickerPreference.this, color);
+        Toast.makeText(getContext(), "" + position, Toast.LENGTH_SHORT).show();
+        persistString(getContext().getResources().getStringArray(R.array.theme_colors)[position]);
+        getOnPreferenceChangeListener().onPreferenceChange(this, getContext().getResources().getStringArray(R.array.theme_colors)[position]);
+
+    }
+
+    @Override
+    public void onCancel() {
+
+    }
+}

app/src/main/res/xml/customization_settings.xml

@@ -7,7 +7,7 @@
         android:key="enable_ads"
         android:title="@string/enable_ads"/>
 
-    <ListPreference
+    <com.fastaccess.ui.widgets.ColorPickerPreference
         android:defaultValue="@string/blue_theme_mode"
         android:dialogTitle="@string/theme_color_title"
         android:entries="@array/theme_colors"