/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.codbking.widget.utils;
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import android.app.Activity;
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import android.content.Context;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.util.DisplayMetrics;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.inputmethod.InputMethodManager;
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import android.widget.ListAdapter;
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import android.widget.ListView;
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import android.widget.TextView;
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import java.util.Locale;
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public class UIAdjuster {
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public static void closeKeyBoard(Context act) {
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if (act != null && act instanceof Activity) {
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closeKeyBoardInner((Activity) act);
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}
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}
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private static void closeKeyBoardInner(Activity act) {
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InputMethodManager imm = ((InputMethodManager) act.getSystemService(Context.INPUT_METHOD_SERVICE));
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if (act.getCurrentFocus() != null && act.getCurrentFocus().getWindowToken() != null) {
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imm.hideSoftInputFromWindow(act.getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
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}
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}
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public static int setListViewHeightBasedOnChildren(ListView listView) {
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int height = 0;
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ListAdapter listAdapter = listView.getAdapter();
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if (listAdapter == null) {
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return height;
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}
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int totalHeight = 0;
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for (int i = 0; i < listAdapter.getCount(); i++) {
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View listItem = listAdapter.getView(i, null, listView);
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listItem.measure(0, 0);
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totalHeight += listItem.getMeasuredHeight();
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}
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ViewGroup.LayoutParams params = listView.getLayoutParams();
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params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1)) + listView.getPaddingTop() + listView.getPaddingBottom();
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height = params.height;
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listView.setLayoutParams(params);
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listView.requestLayout();
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return height;
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}
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public static void addViewIfNotNull(ViewGroup group, View view) {
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if (view != null) {
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group.addView(view);
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}
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}
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/**
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* @param context
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* @param dip
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* @return px
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*/
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public static float computeDIPtoPixel(Context context, float dip) {
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Resources resources = context == null ? Resources.getSystem() : context.getResources();
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DisplayMetrics metrics = resources.getDisplayMetrics();
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float px = metrics.density * dip;
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return px;
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}
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/**
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* @param dynamic
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* @param maxWidth
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* @return size
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*/
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public static float computeDynamicWidth(TextView dynamic, int maxWidth) {
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Rect rect = new Rect();
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Paint paint = new Paint();
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return computeDynamicWidth(dynamic, maxWidth, paint, rect);
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}
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/**
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* @param dynamic
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* @param maxWidth
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* @param paint
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* @param rect
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* @return size
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*/
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public static float computeDynamicWidth(TextView dynamic, int maxWidth, Paint paint, Rect rect) {
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String string = (String) dynamic.getText();
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float size = dynamic.getTextSize();
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while (true) {
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paint.setTextSize(size);
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paint.getTextBounds(string, 0, string.length(), rect);
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if (rect.width() > maxWidth) {
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size = size - 1;
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} else {
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break;
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}
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}
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return size;
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}
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/**
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* @param string
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* @param size
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* @return width of text
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*/
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public static int computeStringWidth(String string, float size) {
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Rect rect = new Rect();
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Paint paint = new Paint();
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paint.setTextSize(size);
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paint.getTextBounds(string, 0, string.length(), rect);
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return rect.width();
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}
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/**
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* return Locale. if (TRADITIONAL_CHINESE) return true else false
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*
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* @param context
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* @return
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*/
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public static boolean getLanguage(Context context) {
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Configuration conf = context.getResources().getConfiguration();
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if (conf.locale.equals(Locale.TAIWAN) || conf.locale.equals(Locale.TRADITIONAL_CHINESE)) {
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return true;
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} else {
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return false;
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}
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}
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// /**
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// * Show Progress Dialog
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// *
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// * @param context
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// * @param msg
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// * @param cancelable
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// * @return
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// */
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// public static ProgressDialog showProgressDialog(Context context, String msg, boolean cancelable) {
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//
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// ProgressDialog p = new ProgressDialog(context);
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// p.setCancelable(cancelable);
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// p.setMessage(msg);
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// p.show();
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// p.setContentView(R.layout.custom_progress_dialog);
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// p.setOnKeyListener(new DialogInterface.OnKeyListener() {
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// @Override
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// public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
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// if (keyCode == KeyEvent.KEYCODE_SEARCH && event.getRepeatCount() == 0) {
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// return true; // Pretend we processed it
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// }
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// return false; // Any other keys are still processed as normal
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// }
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// });
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//
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// return p;
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// }
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/**
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*
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* @param context
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* @return
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*/
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public static String getLocale(Context context) {
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Configuration conf = context.getResources().getConfiguration();
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if (conf.locale.equals(Locale.TAIWAN) || conf.locale.equals(Locale.TRADITIONAL_CHINESE)) {
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return "zh_TW";
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} else {
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return "en_US";
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}
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}
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}
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