Java tutorial
/* * Copyright (C) 2014 - 2015 Initial Author * Copyright (C) 2017 Nicolai Ehemann * * This file is part of Peris. * * Peris is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Peris is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Peris. If not, see <http://www.gnu.org/licenses/>. * */ package de.enlightened.peris; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.LinearLayout; import android.widget.SeekBar; import android.widget.SeekBar.OnSeekBarChangeListener; public class ColorPickerDialogFragment extends DialogFragment { private static final String TAG = ColorPickerDialogFragment.class.getName(); private static final int MAX_OPACITY = 255; private boolean showOpacity = false; private int opacity = MAX_OPACITY; private LinearLayout colorPickerColorsLayout; private ColorSelectedListener colorSelected = null; private OnClickListener colorSetter = new OnClickListener() { @Override @SuppressWarnings("checkstyle:requirethis") public void onClick(final View v) { final String color = (String) v.getTag(); setColor(color); } }; static ColorPickerDialogFragment newInstance() { return new ColorPickerDialogFragment(); } @Override public void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setStyle(STYLE_NO_TITLE, getTheme()); } @Override public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) { final View v = inflater.inflate(R.layout.color_picker_dialog, container, false); this.setupColorPicker(v); return v; } private void setupColorPicker(final View v) { final Bundle bundle = getArguments(); if (bundle != null) { if (bundle.containsKey("show_opacity")) { this.showOpacity = bundle.getBoolean("show_opacity"); } } this.colorPickerColorsLayout = (LinearLayout) v.findViewById(R.id.color_picker_colors_layout); final LinearLayout opacityLayout = (LinearLayout) v.findViewById(R.id.color_picker_opacity_layout); if (this.showOpacity) { opacityLayout.setVisibility(View.VISIBLE); final SeekBar colorOpacitySeeker = (SeekBar) v.findViewById(R.id.color_opacity_seeker); colorOpacitySeeker.setOnSeekBarChangeListener(new OnSeekBarChangeListener() { @Override @SuppressWarnings("checkstyle:requirethis") public void onProgressChanged(final SeekBar seekBar, final int progress, final boolean fromUser) { // TODO Auto-generated method stub opacity = progress; final float opacityPercent = progress / (float) MAX_OPACITY; //Log.d(TAG ,progress + "/255 = " + opacityPercent); colorPickerColorsLayout.setAlpha(opacityPercent); } @Override public void onStartTrackingTouch(final SeekBar seekBar) { // TODO Auto-generated method stub } @Override public void onStopTrackingTouch(final SeekBar seekBar) { // TODO Auto-generated method stub } }); } else { opacityLayout.setVisibility(View.GONE); } final LinearLayout llPicker = (LinearLayout) v.findViewById(R.id.profileColorPicker); llPicker.setVisibility(View.VISIBLE); v.findViewById(R.id.pickColor1).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor2).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor3).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor4).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor5).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor6).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor7).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor8).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor9).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor10).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor11).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor12).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor13).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor14).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor15).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor16).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor17).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor18).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor19).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor20).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor21).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor22).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor23).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor24).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor25).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor26).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor27).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor28).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor29).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor30).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor31).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor32).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor33).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor34).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor35).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor36).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor37).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor38).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor39).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor40).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor41).setOnClickListener(this.colorSetter); v.findViewById(R.id.pickColor42).setOnClickListener(this.colorSetter); } private void setColor(final String color) { if (this.colorSelected == null) { this.dismiss(); return; } final String selectedColor; if (this.opacity < MAX_OPACITY) { final String alphaValue = String.format("%02d", Integer.toHexString(this.opacity)); selectedColor = color.replace("#", "#" + alphaValue); Log.d(TAG, "Alpha'd color is: " + selectedColor); } else { selectedColor = color; } this.colorSelected.onColorSelected(selectedColor); this.dismiss(); } public void setOnColorSelectedListener(final ColorSelectedListener listener) { this.colorSelected = listener; } //Color Selected Interface public interface ColorSelectedListener { void onColorSelected(String color); } }