mirror of
https://github.com/rhasspy/espeak-ng.git
synced 2026-11-14 01:32:29 +00:00
Relocate the package to com.reecedunn.espeak
This commit is contained in:
Reece H. Dunn
@@ -0,0 +1,330 @@
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/*
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* Copyright (C) 2009 The Android Open Source Project
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* Copyright (C) 2012 Reece H. Dunn
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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.reecedunn.espeak;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.speech.tts.TextToSpeech;
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import android.util.Log;
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import android.view.View;
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import android.widget.TextView;
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import java.lang.ref.WeakReference;
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import java.util.ArrayList;
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public class eSpeakActivity extends Activity {
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private static final String ACTION_TTS_SETTINGS = "com.android.settings.TTS_SETTINGS";
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/** Handler code for TTS initialization hand-off. */
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private static final int TTS_INITIALIZED = 1;
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private static final int REQUEST_CHECK = 1;
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private static final int REQUEST_DOWNLOAD = 2;
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private static final int REQUEST_DEFAULT = 3;
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private static final int DIALOG_SET_DEFAULT = 1;
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private static final int DIALOG_DOWNLOAD_FAILED = 2;
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private static final int DIALOG_ERROR = 3;
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private static final String TAG = "eSpeakActivity";
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private enum State {
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LOADING,
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FAILURE,
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SUCCESS
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}
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private boolean mDownloadedVoiceData;
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private ArrayList<String> mVoices;
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private TextToSpeech mTts;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.main);
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setState(State.LOADING);
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manageSettingVisibility();
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checkVoiceData();
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (mTts != null) {
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mTts.shutdown();
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}
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}
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/**
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* Sets the UI state.
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*
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* @param state The current state.
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*/
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private void setState(State state) {
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findViewById(R.id.loading).setVisibility((state == State.LOADING) ? View.VISIBLE
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: View.GONE);
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findViewById(R.id.success).setVisibility((state == State.SUCCESS) ? View.VISIBLE
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: View.GONE);
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findViewById(R.id.failure).setVisibility((state == State.FAILURE) ? View.VISIBLE
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: View.GONE);
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}
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/**
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* Launcher the voice data verifier.
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*/
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private void checkVoiceData() {
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final Intent checkIntent = new Intent(this, CheckVoiceData.class);
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startActivityForResult(checkIntent, REQUEST_CHECK);
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}
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/**
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* Launches the voice data installer.
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*/
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private void downloadVoiceData() {
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final Intent checkIntent = new Intent(this, DownloadVoiceData.class);
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startActivityForResult(checkIntent, REQUEST_DOWNLOAD);
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}
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/**
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* Initializes the TTS engine.
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*/
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private void initializeEngine() {
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mTts = new TextToSpeech(this, mInitListener);
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}
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/**
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* Hides preferences according to SDK level.
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*/
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private void manageSettingVisibility() {
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if (Build.VERSION.SDK_INT < 14) {
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// Hide the eSpeak setting button on pre-ICS.
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findViewById(R.id.engineSettingsLayout).setVisibility(View.GONE);
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}
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}
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/**
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* Handles the result of voice data verification. If verification fails
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* following a successful installation, displays an error dialog. Otherwise,
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* either launches the installer or attempts to initialize the TTS engine.
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*
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* @param resultCode The result of voice data verification.
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* @param data The intent containing available voices.
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*/
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private void onDataChecked(int resultCode, Intent data) {
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if (resultCode != TextToSpeech.Engine.CHECK_VOICE_DATA_PASS) {
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if (mDownloadedVoiceData) {
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Log.e(TAG, "Voice data check failed (error code: " + resultCode + ").");
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setState(State.FAILURE);
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showDialog(DIALOG_ERROR);
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} else {
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downloadVoiceData();
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}
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return;
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}
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mVoices = data.getStringArrayListExtra(TextToSpeech.Engine.EXTRA_AVAILABLE_VOICES);
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initializeEngine();
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final TextView availableVoices = (TextView) findViewById(R.id.availableVoices);
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if (mVoices == null) {
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availableVoices.setText("0");
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} else {
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availableVoices.setText(Integer.toString(mVoices.size()));
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}
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}
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/**
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* Handles the result of voice data installation. Either shows a failure
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* dialog or launches the voice data verifier.
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*
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* @param resultCode
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*/
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private void onDataDownloaded(int resultCode) {
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if (resultCode != RESULT_OK) {
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Log.e(TAG, "Voice data download failed.");
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setState(State.FAILURE);
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showDialog(DIALOG_DOWNLOAD_FAILED);
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return;
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}
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mDownloadedVoiceData = true;
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checkVoiceData();
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}
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/**
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* Handles the result of TTS engine initialization. Either displays an error
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* dialog or populates the activity's UI.
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*
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* @param status The TTS engine initialization status.
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*/
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private void onInitialized(int status) {
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if (!getPackageName().equals(mTts.getDefaultEngine())) {
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showDialog(DIALOG_SET_DEFAULT);
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return;
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}
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if (status == TextToSpeech.ERROR) {
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Log.e(TAG, "Initialization failed (status: " + status + ").");
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setState(State.FAILURE);
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showDialog(DIALOG_ERROR);
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return;
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}
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final TextView currentLocale = (TextView) findViewById(R.id.currentLocale);
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currentLocale.setText(mTts.getLanguage().getDisplayName());
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findViewById(R.id.updateVoices).setOnClickListener(mOnClickListener);
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findViewById(R.id.ttsSettings).setOnClickListener(mOnClickListener);
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findViewById(R.id.engineSettings).setOnClickListener(mOnClickListener);
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setState(State.SUCCESS);
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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switch (requestCode) {
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case REQUEST_CHECK:
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onDataChecked(resultCode, data);
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break;
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case REQUEST_DOWNLOAD:
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onDataDownloaded(resultCode);
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break;
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case REQUEST_DEFAULT:
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initializeEngine();
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break;
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}
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super.onActivityResult(requestCode, resultCode, data);
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}
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@Override
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protected Dialog onCreateDialog(int id) {
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switch (id) {
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case DIALOG_SET_DEFAULT:
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return new AlertDialog.Builder(this).setTitle(R.string.app_name)
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.setMessage(R.string.set_default_message)
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.setNegativeButton(android.R.string.no, mFinishClickListener)
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.setPositiveButton(android.R.string.ok, mDialogClickListener).create();
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case DIALOG_DOWNLOAD_FAILED:
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return new AlertDialog.Builder(this).setTitle(R.string.app_name)
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.setMessage(R.string.voice_data_failed_message)
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.setNegativeButton(android.R.string.ok, mFinishClickListener)
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.setOnCancelListener(mFinishCancelListener).create();
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case DIALOG_ERROR:
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return new AlertDialog.Builder(this).setTitle(R.string.app_name)
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.setMessage(R.string.error_message)
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.setNegativeButton(android.R.string.no, mFinishClickListener)
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.setNegativeButton(android.R.string.ok, mReportClickListener)
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.setOnCancelListener(mFinishCancelListener).create();
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}
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return super.onCreateDialog(id);
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}
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private final DialogInterface.OnClickListener mDialogClickListener = new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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switch (which) {
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case DialogInterface.BUTTON_POSITIVE:
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startActivityForResult(
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new Intent(ACTION_TTS_SETTINGS), REQUEST_DEFAULT);
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break;
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}
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}
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};
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private final DialogInterface.OnClickListener mReportClickListener = new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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// TODO: Send a crash report.
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finish();
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}
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};
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private final DialogInterface.OnClickListener mFinishClickListener = new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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finish();
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}
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};
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private final DialogInterface.OnCancelListener mFinishCancelListener = new DialogInterface.OnCancelListener() {
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@Override
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public void onCancel(DialogInterface dialog) {
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finish();
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}
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};
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private final TextToSpeech.OnInitListener mInitListener = new TextToSpeech.OnInitListener() {
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@Override
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public void onInit(int status) {
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mHandler.obtainMessage(TTS_INITIALIZED, status, 0).sendToTarget();
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}
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};
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private static class EspeakHandler extends Handler {
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private WeakReference<eSpeakActivity> mActivity;
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public EspeakHandler(eSpeakActivity activity)
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{
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mActivity = new WeakReference<eSpeakActivity>(activity);
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}
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case TTS_INITIALIZED:
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mActivity.get().onInitialized(msg.arg1);
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break;
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}
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}
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}
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private final Handler mHandler = new EspeakHandler(this);
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private final View.OnClickListener mOnClickListener = new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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switch (v.getId()) {
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case R.id.updateVoices:
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downloadVoiceData();
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break;
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case R.id.engineSettings:
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startActivityForResult(
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new Intent(eSpeakActivity.this, TtsSettingsActivity.class),
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REQUEST_DEFAULT);
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break;
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case R.id.ttsSettings:
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startActivityForResult(new Intent(ACTION_TTS_SETTINGS), REQUEST_DEFAULT);
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break;
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}
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}
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};
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}
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