लचीले रंग चयन को लागू करने के लिए Android में ColorPicker लाइब्रेरी का उपयोग करना

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/activityMain"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/firstButton"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Color picker №1"
        android:layout_margin="5dp"
        android:onClick="onClickButton"
        />
    <Button
        android:id="@+id/secondButton"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Color picker №2"
        android:layout_below="@id/firstButton"
        android:layout_margin="5dp"
        android:onClick="onClickButton"
        />

    <TextView
        android:id="@+id/firstText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:text="First text"
        android:textSize="40sp"
        android:textColor="@android:color/black"
        />

    <TextView
        android:id="@+id/secondText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Second text"
        android:textSize="40sp"
        android:layout_below="@+id/firstText"
        android:layout_centerInParent="true"
        android:textColor="@android:color/black"
        />

</RelativeLayout>

 Button firstButton,secondButton;
 TextView firstText,secondText;
 private static final int firstId = 1,secondId = 2; 
// id     onColorSelected  ColorPickerDialogListener

        firstButton = findViewById(R.id.firstButton);
        secondButton = findViewById(R.id.secondButton);

        firstText = findViewById(R.id.firstText);
        secondText = findViewById(R.id.secondText);

private void createColorPickerDialog(int id) {
        ColorPickerDialog.newBuilder()
                .setColor(Color.RED)
                .setDialogType(ColorPickerDialog.TYPE_PRESETS)
                .setAllowCustom(true)
                .setAllowPresets(true)
                .setColorShape(ColorShape.SQUARE)
                .setDialogId(id)
                .show(this);
//     ColorPickerDialog  
}
public void onClickButton(View view) {
        switch (view.getId()) {
            case R.id.firstButton:
                createColorPickerDialog(firstId);
                break;
            case R.id.secondButton:
                createColorPickerDialog(secondId);
                break;
        }
}

@Override
    public void onColorSelected(int dialogId, int color) {
        switch (dialogId) { // ,   
            case firstId:
                firstText.setTextColor(color);
                break;
            case secondId:
                secondText.setTextColor(color);
                break;
        }
    }

    @Override
    public void onDialogDismissed(int dialogId) {
        Toast.makeText(this, "Dialog dismissed", Toast.LENGTH_SHORT).show();
    }

<PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <PreferenceCategory app:title=" ">
        <com.jaredrummler.android.colorpicker.ColorPreferenceCompat
            android:key="color_picker"
            app:title=" "
            />
    </PreferenceCategory>

</PreferenceScreen>

<Button
        android:id="@+id/settingsButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text=""
        android:layout_alignParentBottom="true"
        android:layout_alignParentRight="true"
        android:layout_margin="5dp"
        android:onClick="openSettingsActivity"
        />

public void openSettingsActivity(View view) {
        startActivity(new Intent(this,SettingsActivity.class));
  }

private void setBackgroundColorFromSettingsActivity() {
        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
        //SharedPreferences    
        // - : 
        //https://developer.android.com/reference/android/content/SharedPreferences?hl=ru
        int color = sp.getInt("color_picker",Color.GREEN);

        RelativeLayout layout = findViewById(R.id.activityMain);
        layout.setBackgroundColor(color);
}

@Override
    protected void onResume() {
        setBackgroundColorFromSettingsActivity();
        super.onResume();
 }

• GitHub पर लाइब्रेरी कोड (वहां प्रलेखन।)
• एक समान पुस्तकालय (यदि यह आपको आकर्षित नहीं करता है)