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This commit is contained in:
Mridang Agarwalla
2015-10-03 17:19:25 +03:00
parent 1fd10d8592
commit 04ac1353f2
1219 changed files with 1527 additions and 12 deletions
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12
colorPicker/src/main/AndroidManifest.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<manifest
package="com.mridang.colorpicker"
xmlns:android="http://schemas.android.com/apk/res/android"
android:versionCode="2"
android:versionName="1.1">
<application
android:allowBackup="true"
android:theme="@style/AppTheme">
</application>
</manifest>

286
colorPicker/src/main/java/com/mridang/colorpicker/ColorPreference.java Normal file
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package com.mridang.colorpicker;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.os.Bundle;
import android.preference.Preference;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
/**
Custom preference that allows the user to choose a color from a grid of pre-selected colors
*/
public class ColorPreference extends Preference {
private int[] mColorChoices = {};
private int mValue = 0;
private int mItemLayoutId = R.layout.dash_grid_item_color;
private int mNumColumns = 5;
public ColorPreference(Context context) {
super(context);
initAttrs(null, 0);
}
/*
@see android.preference.Preference#Preference(android.content.Context, android.util.AttributeSet)
*/
public ColorPreference(Context context, AttributeSet attrs) {
super(context, attrs);
initAttrs(attrs, 0);
}
/*
@see android.preference.Preference#Preference(android.content.Context, android.util.AttributeSet, int)
*/
public ColorPreference(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initAttrs(attrs, defStyle);
}
/*
@see android.preference.Preference#Preference(android.util.AttributeSet, int)
*/
private void initAttrs(AttributeSet attrs, int defStyle) {
TypedArray a = getContext().getTheme().obtainStyledAttributes(
attrs, R.styleable.ColorPreference, defStyle, defStyle);
try {
mItemLayoutId = a.getResourceId(R.styleable.ColorPreference_itemLayout, mItemLayoutId);
mNumColumns = a.getInteger(R.styleable.ColorPreference_numColumns, mNumColumns);
int choicesResId = a.getResourceId(R.styleable.ColorPreference_choices,
R.array.color_choices);
if (choicesResId > 0) {
String[] choices = a.getResources().getStringArray(choicesResId);
mColorChoices = new int[choices.length];
for (int i = 0; i < choices.length; i++) {
mColorChoices[i] = Color.parseColor(choices[i]);
}
}
} finally {
a.recycle();
}
setWidgetLayoutResource(mItemLayoutId);
}
@SuppressWarnings("NullableProblems")
@Override
protected void onBindView(View view) {
super.onBindView(view);
View mPreviewView = view.findViewById(R.id.color_view);
setColorViewValue(mPreviewView, mValue);
}
private void setValue(int value) {
if (callChangeListener(value)) {
mValue = value;
persistInt(value);
notifyChanged();
}
}
@Override
protected void onClick() {
super.onClick();
ColorDialogFragment fragment = ColorDialogFragment.newInstance();
fragment.setPreference(this);
Activity activity = (Activity) getContext();
activity.getFragmentManager().beginTransaction()
.add(fragment, getFragmentTag())
.commit();
}
@Override
protected void onAttachedToActivity() {
super.onAttachedToActivity();
Activity activity = (Activity) getContext();
ColorDialogFragment fragment = (ColorDialogFragment) activity
.getFragmentManager().findFragmentByTag(getFragmentTag());
if (fragment != null) {
// re-bind preference to fragment
fragment.setPreference(this);
}
}
@Override
protected Object onGetDefaultValue(TypedArray a, int index) {
return a.getInt(index, 0);
}
@Override
protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
setValue(restoreValue ? getPersistedInt(0) : (Integer) defaultValue);
}
private String getFragmentTag() {
return "color_" + getKey();
}
private int getValue() {
return mValue;
}
public static class ColorDialogFragment extends DialogFragment {
private ColorPreference mPreference;
private ColorGridAdapter mAdapter;
private GridView mColorGrid;
public ColorDialogFragment() {
}
public static ColorDialogFragment newInstance() {
return new ColorDialogFragment();
}
public void setPreference(ColorPreference preference) {
mPreference = preference;
tryBindLists();
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
tryBindLists();
}
@SuppressLint("InflateParams")
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
LayoutInflater layoutInflater = LayoutInflater.from(getActivity());
View rootView = layoutInflater.inflate(R.layout.dash_dialog_colors, null);
mColorGrid = (GridView) rootView.findViewById(R.id.color_grid);
mColorGrid.setNumColumns(mPreference.mNumColumns);
mColorGrid.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> listView, View view,
int position, long itemId) {
mPreference.setValue(mAdapter.getItem(position));
dismiss();
}
});
tryBindLists();
return new AlertDialog.Builder(getActivity())
.setView(rootView)
.create();
}
private void tryBindLists() {
if (mPreference == null) {
return;
}
if (isAdded() && mAdapter == null) {
mAdapter = new ColorGridAdapter();
}
if (mAdapter != null && mColorGrid != null) {
mAdapter.setSelectedColor(mPreference.getValue());
mColorGrid.setAdapter(mAdapter);
}
}
private class ColorGridAdapter extends BaseAdapter {
private final List<Integer> mChoices = new ArrayList<>();
private int mSelectedColor;
private ColorGridAdapter() {
for (int color : mPreference.mColorChoices) {
mChoices.add(color);
}
}
@Override
public int getCount() {
return mChoices.size();
}
@Override
public Integer getItem(int position) {
return mChoices.get(position);
}
@Override
public long getItemId(int position) {
return mChoices.get(position);
}
@Override
public View getView(int position, View convertView, ViewGroup container) {
if (convertView == null) {
convertView = LayoutInflater.from(getActivity())
.inflate(mPreference.mItemLayoutId, container, false);
}
int color = getItem(position);
setColorViewValue(convertView.findViewById(R.id.color_view), color);
convertView.setBackgroundColor(color == mSelectedColor
? 0x6633b5e5 : 0);
return convertView;
}
public void setSelectedColor(int selectedColor) {
mSelectedColor = selectedColor;
notifyDataSetChanged();
}
}
}
private static void setColorViewValue(View view, int color) {
if (view instanceof ImageView) {
ImageView imageView = (ImageView) view;
Resources res = imageView.getContext().getResources();
Drawable currentDrawable = imageView.getDrawable();
GradientDrawable colorChoiceDrawable;
if (currentDrawable != null && currentDrawable instanceof GradientDrawable) {
// Reuse drawable
colorChoiceDrawable = (GradientDrawable) currentDrawable;
} else {
colorChoiceDrawable = new GradientDrawable();
colorChoiceDrawable.setShape(GradientDrawable.OVAL);
}
// Set stroke to dark version of color
int darkenedColor = Color.rgb(
Color.red(color) * 192 / 256,
Color.green(color) * 192 / 256,
Color.blue(color) * 192 / 256);
colorChoiceDrawable.setColor(color);
colorChoiceDrawable.setStroke((int) TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP, 1, res.getDisplayMetrics()), darkenedColor);
imageView.setImageDrawable(colorChoiceDrawable);
} else if (view instanceof TextView) {
((TextView) view).setTextColor(color);
}
}
}

12
colorPicker/src/main/res/layout/dash_dialog_colors.xml Normal file
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<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="16dp">
<GridView
android:id="@+id/color_grid"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:stretchMode="columnWidth"/>
</FrameLayout>

14
colorPicker/src/main/res/layout/dash_grid_item_color.xml Normal file
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<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="8dp">
<ImageView
android:id="@+id/color_view"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_gravity="center"
android:scaleType="fitXY"
tools:ignore="ContentDescription"/>
</FrameLayout>

5
colorPicker/src/main/res/values-v11/styles.xml Normal file
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<resources>
<style name="AppBaseTheme" parent="android:Theme.Holo.Light">
</style>
</resources>

7
colorPicker/src/main/res/values/attrs.xml Normal file
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<resources>
<declare-styleable name="ColorPreference">
<attr name="itemLayout" format="reference"/>
<attr name="choices" format="reference"/>
<attr name="numColumns" format="integer"/>
</declare-styleable>
</resources>

8
colorPicker/src/main/res/values/styles.xml Normal file
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<resources>
<style name="AppBaseTheme" parent="android:Theme.Light">
</style>
<style name="AppTheme" parent="AppBaseTheme">
</style>
</resources>

18
colorPicker/src/main/res/values/swatches.xml Normal file
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<resources>
<string-array name="color_choices" translatable="false">
<item>#33b5e5</item>
<item>#aa66cc</item>
<item>#99cc00</item>
<item>#ffbb33</item>
<item>#ff4444</item>
<item>#0099cc</item>
<item>#9933cc</item>
<item>#669900</item>
<item>#ff8800</item>
<item>#cc0000</item>
<item>#ffffff</item>
<item>#eeeeee</item>
<item>#cccccc</item>
<item>#888888</item>
</string-array>
</resources>