diff options
Diffstat (limited to 'src/com/google/android/apps/adk2/activity/ColorRGBActivity.java')
| -rw-r--r-- | src/com/google/android/apps/adk2/activity/ColorRGBActivity.java | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/com/google/android/apps/adk2/activity/ColorRGBActivity.java b/src/com/google/android/apps/adk2/activity/ColorRGBActivity.java new file mode 100644 index 0000000..9516cea --- /dev/null +++ b/src/com/google/android/apps/adk2/activity/ColorRGBActivity.java @@ -0,0 +1,161 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * 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. + */ +package com.google.android.apps.adk2.activity; + +import android.content.SharedPreferences; +import android.content.SharedPreferences.OnSharedPreferenceChangeListener; +import android.content.res.Resources; +import android.graphics.drawable.Drawable; +import android.os.Bundle; +import android.preference.PreferenceManager; +import android.view.View; +import android.widget.SeekBar; +import android.widget.TextView; + +import com.google.android.apps.adk2.Preferences; +import com.google.android.apps.adk2.R; +import com.google.android.apps.adk2.views.Slider; + +public class ColorRGBActivity extends Adk2BaseActivity implements + Slider.SliderPositionListener, OnSharedPreferenceChangeListener { + private View mOriginalColorView; + private View mNewColorView; + private TextView mTextHex; + private TextView mTextR; + private TextView mTextG; + private TextView mTextB; + private Slider mSeekBarR; + private Slider mSeekBarG; + private Slider mSeekBarB; + private Drawable mGreen; + private Drawable mRed; + private Drawable mBlue; + + private int mOriginalColor; + private int mNewColor; + + private final int kColorRange = 255; + + private Slider setupSeekBar(int seekBarId, Drawable color) { + Slider theBar = (Slider) findViewById(seekBarId); + theBar.setPositionListener(this); + theBar.setSliderBackground(color); + return theBar; + } + + private TextView setupTextField(int textFieldId) { + TextView theText = (TextView) findViewById(textFieldId); + return theText; + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.color_rgb); + + Resources res = getResources(); + mRed = res.getDrawable(R.drawable.scrubber_horizontal_red_holo_dark); + mGreen = res + .getDrawable(R.drawable.scrubber_horizontal_green_holo_dark); + mBlue = res.getDrawable(R.drawable.scrubber_horizontal_blue_holo_dark); + + mOriginalColorView = findViewById(R.id.original_color); + mNewColorView = findViewById(R.id.new_color); + mTextHex = setupTextField(R.id.color_hex); + mTextR = setupTextField(R.id.color_r); + mTextG = setupTextField(R.id.color_g); + mTextB = setupTextField(R.id.color_b); + mSeekBarR = setupSeekBar(R.id.seek_bar_r, mRed); + mSeekBarG = setupSeekBar(R.id.seek_bar_g, mGreen); + mSeekBarB = setupSeekBar(R.id.seek_bar_b, mBlue); + + mOriginalColor = PreferenceManager.getDefaultSharedPreferences(this) + .getInt(Preferences.PREF_COLOR, Preferences.PREF_DEFAULT_COLOR); + mNewColor = mOriginalColor; + + SharedPreferences preferences = PreferenceManager + .getDefaultSharedPreferences(this); + preferences.registerOnSharedPreferenceChangeListener(this); + + updateDisplay(); + } + + public void onPositionChange(Slider slider, double value) { + switch (slider.getId()) { + case R.id.seek_bar_r: + mNewColor = (mNewColor & 0xff00ffff) + | ((int) (value * kColorRange) << 16); + break; + + case R.id.seek_bar_g: + mNewColor = (mNewColor & 0xffff00ff) + | ((int) (value * kColorRange) << 8); + break; + + case R.id.seek_bar_b: + mNewColor = (mNewColor & 0xffffff00) | (int) (value * kColorRange); + break; + } + + persistPreferences(); + updateDisplay(); + } + + public void onStartTrackingTouch(SeekBar seekBar) { + } + + public void onStopTrackingTouch(SeekBar seekBar) { + } + + private void persistPreferences() { + SharedPreferences.Editor editor = PreferenceManager + .getDefaultSharedPreferences(this).edit(); + editor.putInt(Preferences.PREF_COLOR, mNewColor); + editor.apply(); + } + + private void updateDisplay() { + mOriginalColorView.setBackgroundColor(mOriginalColor | 0xff000000); + mNewColorView.setBackgroundColor(mNewColor | 0xff000000); + + int r, g, b; + r = (mNewColor >> 16) & 0xff; + g = (mNewColor >> 8) & 0xff; + b = mNewColor & 0xff; + + mTextHex.setText(String.format("%06X", mNewColor & 0xffffff)); + mTextR.setText(String.format("%d", r)); + mTextG.setText(Integer.toString(g)); + mTextB.setText(Integer.toString(b)); + + mSeekBarR.setPosition((double) r / (double) kColorRange); + mSeekBarG.setPosition((double) g / (double) kColorRange); + mSeekBarB.setPosition((double) b / (double) kColorRange); + } + + @Override + public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, + String key) { + if (Preferences.PREF_COLOR.equals(key)) { + mOriginalColor = sharedPreferences.getInt(Preferences.PREF_COLOR, + Preferences.PREF_DEFAULT_COLOR); + mNewColor = mOriginalColor; + updateDisplay(); + } + + } + +} |