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/* Copyright Statement: * * This software/firmware and related documentation ("MediaTek Software") are * protected under relevant copyright laws. The information contained herein is * confidential and proprietary to MediaTek Inc. and/or its licensors. Without * the prior written permission of MediaTek inc. and/or its licensors, any * reproduction, modification, use or disclosure of MediaTek Software, and * information contained herein, in whole or in part, shall be strictly * prohibited. * * MediaTek Inc. (C) 2010. All rights reserved. * * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER * ON AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR * NONINFRINGEMENT. NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH * RESPECT TO THE SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, * INCORPORATED IN, OR SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES * TO LOOK ONLY TO SUCH THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. * RECEIVER EXPRESSLY ACKNOWLEDGES THAT IT IS RECEIVER‘S SOLE RESPONSIBILITY TO * OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES CONTAINED IN MEDIATEK * SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE * RELEASES MADE TO RECEIVER‘S SPECIFICATION OR TO CONFORM TO A PARTICULAR * STANDARD OR OPEN FORUM. RECEIVER‘S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK‘S * ENTIRE AND CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE * RELEASED HEREUNDER WILL BE, AT MEDIATEK‘S OPTION, TO REVISE OR REPLACE THE * MEDIATEK SOFTWARE AT ISSUE, OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE * CHARGE PAID BY RECEIVER TO MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. * * The following software/firmware and/or related documentation ("MediaTek * Software") have been modified by MediaTek Inc. All revisions are subject to * any receiver‘s applicable license agreements with MediaTek Inc. */
package com.freeme.fmradio.dialogs;
import com.freeme.fmradio.FmStation; import com.freeme.fmradio.FmUtils;
import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.DialogFragment; import android.content.Context; import android.content.DialogInterface; import android.os.Bundle; import android.text.Editable; import android.text.InputFilter; import android.text.Selection; import android.text.Spanned; import android.text.TextWatcher; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import com.freeme.fmradio.R;
/** * provider function to edit favorite station name and frequency, * caller should implement AddFavoriteListener * */ public class EditFavoriteDialog extends DialogFragment { private static final String STATION_NAME = "station_name"; private static final String STATION_FREQ = "station_freq"; private EditFavoriteListener mListener = null; private TextView mEditTextFrequency = null;//modify by tyd lin 20130828 /** * create edit favorite dialog instance, caller should implement edit favorite listener * @param stationName * @param stationFreq * @return edit favorite dialog */ public static EditFavoriteDialog newInstance(String stationName, int stationFreq) { EditFavoriteDialog fragment = new EditFavoriteDialog(); Bundle args = new Bundle(2); args.putString(STATION_NAME, stationName); args.putInt(STATION_FREQ, stationFreq); fragment.setArguments(args); return fragment; } /** * edit favorite listener * */ public interface EditFavoriteListener { /** * edit favorite station name and station frequency */ void editFavorite(); }
@Override public void onAttach(Activity activity) { super.onAttach(activity); try { mListener = (EditFavoriteListener) activity; } catch (ClassCastException e) { e.printStackTrace(); } }
@Override public Dialog onCreateDialog(Bundle savedInstanceState) { String stationName = getArguments().getString(STATION_NAME); int stationFreq = getArguments().getInt(STATION_FREQ); View v = getActivity().getLayoutInflater().inflate(R.layout.editstation, null); EditText editTextStationName = (EditText) v.findViewById(R.id.dlg_edit_station_name_text); //modify by tyd lin 20130828 mEditTextFrequency = (TextView) v.findViewById(R.id.dlg_edit_station_freq_text); // 50KHZ will be six chars final int lengthOf50Khz = 6; final int lengthOf100Khz = 5; final int maxFrequencyLength = lengthOf100Khz; mEditTextFrequency.setFilters(new InputFilter[] { mFilter, new InputFilter.LengthFilter(maxFrequencyLength) }); // if (FeatureOption.MTK_FM_50KHZ_SUPPORT) { // mEditTextFrequency.addTextChangedListener(mWatcher50KHZ); // } else { mEditTextFrequency.addTextChangedListener(mWatcher100KHZ); // } mEditTextFrequency.setText(FmUtils.formatStation(stationFreq)); if (null == stationName || "".equals(stationName)) { editTextStationName.setHint(R.string.default_station_name); } else { editTextStationName.setHint(stationName); } editTextStationName.requestFocus(); editTextStationName.requestFocusFromTouch(); // Edit editTextStationName.setText(stationName); Editable text = editTextStationName.getText(); Selection.setSelection(text, text.length()); return new AlertDialog.Builder(getActivity()) // Must call setTitle here or the title will not be displayed. //modify by tyd lin 20130828 .setTitle(getString(R.string.rename)).setView(v) .setPositiveButton(R.string.btn_ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) { mListener.editFavorite(); } }) .setNegativeButton(R.string.btn_cancel, null) .create(); }
InputFilter mFilter = new InputFilter() {
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) { final int accuracy = 1; if ("".equals(source.toString())) { return null; } // according the point divide string String[] splitArray = dest.toString().split("\\."); // input have point, should delete the redundant if (splitArray.length > 1) { String fraction = splitArray[1]; int deleteIndex = fraction.length() + 1 - accuracy; if (deleteIndex > 0) { int dotIndex = dest.toString().indexOf(".") + 1; if (dstart > dotIndex) { // ALPS01561031 Need check the index if ((end - deleteIndex) >= start) { return source.subSequence(start, end - deleteIndex); } } else { return dest.subSequence(dstart, dend) + source.toString(); } } } return null; } }; // add for 100khz // add for overwrite frequency feature private TextWatcher mWatcher100KHZ = new TextWatcher() { @Override public void onTextChanged(CharSequence s, int start, int before, int count) { if (null == getDialog()) { return; } CharSequence cs = mEditTextFrequency.getText(); float frequency = 0; try { frequency = Float.parseFloat(cs.toString()); } catch (NumberFormatException e) { e.printStackTrace(); } final int convertData = 10; int station = Math.round(frequency * convertData); Button positiveButton = ((AlertDialog)getDialog()) .getButton(DialogInterface.BUTTON_POSITIVE); if (null != positiveButton) { if (FmStation.isStationExistInChList(getActivity().getApplicationContext(), station)) { positiveButton.setText(R.string.edit_frequency_overwrite_text); } else { positiveButton.setText(R.string.btn_ok); } } } /** * not need to implement */ public void beforeTextChanged(CharSequence s, int start, int count, int after) { } /** * not need to implement */ public void afterTextChanged(Editable s) { } }; // add for 50khz // add for overwrite frequency feature private TextWatcher mWatcher50KHZ = new TextWatcher() { public void onTextChanged(CharSequence s, int start, int before, int count) { if (null == getDialog()) { return; } CharSequence cs = mEditTextFrequency.getText(); float frequency = 0; try { frequency = Float.parseFloat(cs.toString()); } catch (NumberFormatException e) { e.printStackTrace(); } final int convertData = 100; int station = Math.round(frequency * convertData); Button positiveButton = ((AlertDialog)getDialog()) .getButton(DialogInterface.BUTTON_POSITIVE); final int checkNumber = 5; // just the last of digital is 5 or 0 if (0 == (station % checkNumber)) { // add for overwrite frequency feature if (null != positiveButton) { if (FmStation.isStationExistInChList(getActivity().getApplicationContext(), station)) { positiveButton.setText(R.string.edit_frequency_overwrite_text); } else { positiveButton.setText(R.string.btn_ok); } positiveButton.setEnabled(true); } } else { if (null != positiveButton) { positiveButton.setEnabled(false); } Context context = getActivity().getApplicationContext(); Toast.makeText(context, context.getString(R.string.toast_invalid_input), Toast.LENGTH_SHORT).show(); } } /** * not need to implement */ public void beforeTextChanged(CharSequence s, int start, int count, int after) { } /** * not need to implement */ public void afterTextChanged(Editable s) { } };
}
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原文地址：http://www.cnblogs.com/jingzhi/p/5152058.html
