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an improvised dictionary mode in the Android translator

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This commit is contained in:
kr.angelov
2013-10-10 15:39:52 +00:00
parent c9b2e11782
commit 482e8ef8cd
11 changed files with 223 additions and 38 deletions
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3
src/ui/android/AndroidManifest.xml
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@@ -14,7 +14,7 @@
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
android:theme="@style/AppTheme" android:name="GFTranslator">
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
@@ -24,6 +24,7 @@
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="LexicalEntryActivity"></activity>
</application>
</manifest>

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src/ui/android/res/drawable-xhdpi/ic_dictionary.png Normal file
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24
src/ui/android/res/layout/activity_lexical_entry.xml Normal file
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@@ -0,0 +1,24 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="match_parent"
android:layout_width="match_parent"
>
<org.grammaticalframework.ui.android.LanguageSelector
android:id="@+id/show_language"
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:padding="0dp"
/>
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/show_language"
android:orientation="vertical"
android:id="@android:id/list" >
</ListView>
</RelativeLayout>

38
src/ui/android/res/layout/first_person_utterance.xml
View File

@@ -1,11 +1,27 @@
<TextView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:layout_marginBottom="16dp"
android:layout_marginRight="32dp"
android:layout_gravity="left"
android:padding="8dp"
android:textSize="20sp"
android:background="@drawable/first_person_utterance_bg"
/>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/first_person_utterance_bg" >
<TextView
android:id="@+id/text"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:layout_marginBottom="16dp"
android:layout_gravity="left"
android:padding="8dp"
android:textSize="20sp"
/>
<ImageView
android:id="@+id/show_word"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:layout_toRightOf="@id/text"
android:padding="8dp"
android:src="@drawable/ic_dictionary"
android:visibility="gone"
/>
</RelativeLayout>

49
src/ui/android/src/org/grammaticalframework/ui/android/ConversationView.java
View File

@@ -3,7 +3,9 @@ package org.grammaticalframework.ui.android;
import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ScrollView;
import android.widget.TextView;
@@ -12,6 +14,8 @@ public class ConversationView extends ScrollView {
private LayoutInflater mInflater;
private ViewGroup mContent;
private OnWordSelectedListener mListener;
public ConversationView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
@@ -33,15 +37,21 @@ public class ConversationView extends ScrollView {
}
public void addFirstPersonUtterance(CharSequence text) {
addUtterance(R.layout.first_person_utterance, text);
View view =
mInflater.inflate(R.layout.first_person_utterance, mContent, false);
TextView textview = (TextView) view.findViewById(R.id.text);
textview.setText(text);
mContent.addView(view);
post(new Runnable() {
public void run() {
fullScroll(FOCUS_DOWN);
}
});
}
public void addSecondPersonUtterance(CharSequence text) {
addUtterance(R.layout.second_person_utterance, text);
}
private void addUtterance(int res, CharSequence text) {
TextView view = (TextView) mInflater.inflate(res, mContent, false);
TextView view = (TextView)
mInflater.inflate(R.layout.second_person_utterance, mContent, false);
view.setText(text);
mContent.addView(view);
post(new Runnable() {
@@ -51,12 +61,33 @@ public class ConversationView extends ScrollView {
});
}
public void updateLastUtterance(CharSequence text) {
public void updateLastUtterance(CharSequence text, Object lexicon) {
int count = mContent.getChildCount();
if (count > 0) {
TextView view = (TextView) mContent.getChildAt(count - 1);
view.setText(text);
View view = mContent.getChildAt(count - 1);
TextView textview = (TextView) view.findViewById(R.id.text);
textview.setText(text);
if (lexicon != null && mListener != null) {
ImageView showWordButton = (ImageView) view.findViewById(R.id.show_word);
showWordButton.setVisibility(VISIBLE);
final Object lexicon2 = lexicon;
showWordButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mListener.onWordSelected(lexicon2);
}
});
}
}
}
public void setOnWordSelectedListener(OnWordSelectedListener listener) {
mListener = listener;
}
public interface OnWordSelectedListener {
public void onWordSelected(Object lexicon);
}
}

16
src/ui/android/src/org/grammaticalframework/ui/android/GFTranslator.java Normal file
View File

@@ -0,0 +1,16 @@
package org.grammaticalframework.ui.android;
import android.app.Application;
public class GFTranslator extends Application {
private Translator mTranslator;
@Override
public void onCreate() {
mTranslator = new Translator(this);
}
public Translator getTranslator() {
return mTranslator;
}
}

15
src/ui/android/src/org/grammaticalframework/ui/android/Language.java
View File

@@ -1,7 +1,11 @@
package org.grammaticalframework.ui.android;
public class Language {
private final String mLangCode;
import java.io.Serializable;
public class Language implements Serializable {
private static final long serialVersionUID = 1L;
private final String mLangCode;
private final String mLangName;
private final String mConcrete;
@@ -27,5 +31,10 @@ public class Language {
public String toString() {
return getLangName();
}
@Override
public boolean equals(Object o) {
Language other = (Language) o;
return mLangCode.equals(other.mLangCode);
}
}

4
src/ui/android/src/org/grammaticalframework/ui/android/LanguageSelector.java
View File

@@ -30,6 +30,10 @@ public class LanguageSelector extends Spinner {
setSelection(((LanguagesAdapter) getAdapter()).getPosition(selected));
}
public Language getSelectedLanguage() {
return (Language) getSelectedItem();
}
public void setOnLanguageSelectedListener(final OnLanguageSelectedListener listener) {
setOnItemSelectedListener(new OnItemSelectedListener() {
@Override

60
src/ui/android/src/org/grammaticalframework/ui/android/LexicalEntryActivity.java Normal file
View File

@@ -0,0 +1,60 @@
package org.grammaticalframework.ui.android;
import java.util.ArrayList;
import java.util.List;
import android.app.ListActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import org.grammaticalframework.pgf.*;
import org.grammaticalframework.ui.android.LanguageSelector.OnLanguageSelectedListener;
public class LexicalEntryActivity extends ListActivity {
private Translator mTranslator;
private LanguageSelector mShowLanguageView;
/** Called when the activity is first created. */
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_lexical_entry);
mTranslator = ((GFTranslator) getApplicationContext()).getTranslator();
mShowLanguageView = (LanguageSelector) findViewById(R.id.show_language);
mShowLanguageView.setLanguages(mTranslator.getAvailableSourceLanguages());
mShowLanguageView.setSelectedLanguage(mTranslator.getTargetLanguage());
mShowLanguageView.setOnLanguageSelectedListener(new OnLanguageSelectedListener() {
@Override
public void onLanguageSelected(Language language) {
mTranslator.setTargetLanguage(language);
updateTranslations();
}
});
updateTranslations();
}
private void updateTranslations() {
@SuppressWarnings("unchecked")
List<MorphoAnalysis> list = (List<MorphoAnalysis>)
getIntent().getExtras().getSerializable("analyses");
List<String> data = new ArrayList<String>();
for (MorphoAnalysis a : list) {
Expr e = Expr.readExpr(a.getLemma());
String phrase = mTranslator.linearize(e);
if (!data.contains(phrase)) {
data.add(phrase);
}
}
ArrayAdapter adapter = new ArrayAdapter(this,
android.R.layout.simple_list_item_1,
data);
setListAdapter(adapter);
}
}

33
src/ui/android/src/org/grammaticalframework/ui/android/MainActivity.java
View File

@@ -1,7 +1,11 @@
package org.grammaticalframework.ui.android;
import java.io.Serializable;
import java.util.List;
import android.app.Activity;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.speech.SpeechRecognizer;
@@ -12,6 +16,8 @@ import android.widget.ImageView;
import org.grammaticalframework.ui.android.ASR.State;
import org.grammaticalframework.ui.android.LanguageSelector.OnLanguageSelectedListener;
import org.grammaticalframework.ui.android.ConversationView.OnWordSelectedListener;
import org.grammaticalframework.pgf.MorphoAnalysis;
public class MainActivity extends Activity {
@@ -34,9 +40,7 @@ public class MainActivity extends Activity {
private TTS mTts;
// mTranslator is static to ensure that the grammar
// is loaded only once even if the activity has been recreated.
private static Translator mTranslator;
private Translator mTranslator;
@Override
protected void onCreate(Bundle savedInstanceState) {
@@ -48,7 +52,7 @@ public class MainActivity extends Activity {
mSourceLanguageView = (LanguageSelector) findViewById(R.id.source_language);
mTargetLanguageView = (LanguageSelector) findViewById(R.id.target_language);
mSwitchLanguagesButton = (ImageView) findViewById(R.id.switch_languages);
mStartStopButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
@@ -61,15 +65,22 @@ public class MainActivity extends Activity {
});
mStartStopButton.setEnabled(SpeechRecognizer.isRecognitionAvailable(this));
mConversationView.setOnWordSelectedListener(new OnWordSelectedListener() {
@Override
public void onWordSelected(Object lexicon) {
Intent myIntent = new Intent(MainActivity.this, LexicalEntryActivity.class);
myIntent.putExtra("analyses", (Serializable) lexicon);
MainActivity.this.startActivity(myIntent);
}
});
mAsr = new ASR(this);
mAsr.setListener(new SpeechInputListener());
mTts = new TTS(this);
if (mTranslator == null) {
mTranslator = new Translator(this);
}
mTranslator = ((GFTranslator) getApplicationContext()).getTranslator();
mSourceLanguageView.setLanguages(mTranslator.getAvailableSourceLanguages());
mSourceLanguageView.setSelectedLanguage(mTranslator.getSourceLanguage());
@@ -148,11 +159,15 @@ public class MainActivity extends Activity {
}
private void handlePartialSpeechInput(String input) {
mConversationView.updateLastUtterance(input);
mConversationView.updateLastUtterance(input, null);
}
private void handleSpeechInput(final String input) {
mConversationView.updateLastUtterance(input);
List<MorphoAnalysis> list = mTranslator.lookupMorpho(input);
if (list.size() == 0)
list = null;
mConversationView.updateLastUtterance(input, list);
new AsyncTask<Void,Void,String>() {
@Override
protected String doInBackground(Void... params) {

19
src/ui/android/src/org/grammaticalframework/ui/android/Translator.java
View File

@@ -5,6 +5,7 @@ import android.util.Log;
import org.grammaticalframework.pgf.Concr;
import org.grammaticalframework.pgf.Expr;
import org.grammaticalframework.pgf.MorphoAnalysis;
import org.grammaticalframework.pgf.PGF;
import org.grammaticalframework.pgf.ParseError;
@@ -19,14 +20,13 @@ public class Translator {
private static final String TAG = "Translator";
// TODO: allow changing
private String mGrammar = "ResourceDemo.pgf";
private String mGrammar = "ParseEngAbs.pgf";
// TODO: build dynamically?
private Language[] mLanguages = {
new Language("en-US", "English", "ResourceDemoEng"),
new Language("de-DE", "German", "ResourceDemoGer"),
new Language("es-ES", "Spanish", "ResourceDemoSpa"),
new Language("fr-FR", "French", "ResourceDemoFre"),
new Language("en-US", "English", "ParseEng"),
new Language("bg-BG", "Bulgarian", "ParseBul"),
new Language("cmn-Hans-CN", "Chinese", "ParseChi")
};
private Language mSourceLanguage;
@@ -96,6 +96,15 @@ public class Translator {
}
}
public String linearize(Expr e) {
Concr targetLang = getConcr(getTargetLanguage().getConcrete());
return targetLang.linearize(e);
}
public List<MorphoAnalysis> lookupMorpho(String sentence) {
return getConcr(getSourceLanguage().getConcrete()).lookupMorpho(sentence);
}
private Concr getConcr(String name) {
return getGrammar().getLanguages().get(name);
}