| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.example.android.hellospellchecker; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.util.Log; |
| import android.view.textservice.SentenceSuggestionsInfo; |
| import android.view.textservice.SpellCheckerSession; |
| import android.view.textservice.SuggestionsInfo; |
| import android.view.textservice.TextInfo; |
| import android.view.textservice.TextServicesManager; |
| import android.view.textservice.SpellCheckerSession.SpellCheckerSessionListener; |
| import android.widget.TextView; |
| import java.lang.StringBuilder; |
| |
| public class HelloSpellCheckerActivity extends Activity implements SpellCheckerSessionListener { |
| private static final String TAG = HelloSpellCheckerActivity.class.getSimpleName(); |
| private static final int NOT_A_LENGTH = -1; |
| private TextView mMainView; |
| private SpellCheckerSession mScs; |
| |
| /** Called when the activity is first created. */ |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.main); |
| mMainView = (TextView)findViewById(R.id.main); |
| } |
| |
| private boolean isSentenceSpellCheckSupported() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN; |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| final TextServicesManager tsm = (TextServicesManager) getSystemService( |
| Context.TEXT_SERVICES_MANAGER_SERVICE); |
| mScs = tsm.newSpellCheckerSession(null, null, this, true); |
| |
| if (mScs != null) { |
| // Instantiate TextInfo for each query |
| // TextInfo can be passed a sequence number and a cookie number to identify the result |
| if (isSentenceSpellCheckSupported()) { |
| // Note that getSentenceSuggestions works on JB or later. |
| Log.d(TAG, "Sentence spellchecking supported."); |
| mScs.getSentenceSuggestions(new TextInfo[] {new TextInfo("tgisis")}, 3); |
| mScs.getSentenceSuggestions(new TextInfo[] {new TextInfo( |
| "I wold like to here form you")}, 3); |
| mScs.getSentenceSuggestions(new TextInfo[] {new TextInfo("hell othere")}, 3); |
| } else { |
| // Note that getSuggestions() is a deprecated API. |
| // It is recommended for an application running on Jelly Bean or later |
| // to call getSentenceSuggestions() only. |
| mScs.getSuggestions(new TextInfo("tgis"), 3); |
| mScs.getSuggestions(new TextInfo("hllo"), 3); |
| mScs.getSuggestions(new TextInfo("helloworld"), 3); |
| } |
| } else { |
| Log.e(TAG, "Couldn't obtain the spell checker service."); |
| } |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| if (mScs != null) { |
| mScs.close(); |
| } |
| } |
| |
| private void dumpSuggestionsInfoInternal( |
| final StringBuilder sb, final SuggestionsInfo si, final int length, final int offset) { |
| // Returned suggestions are contained in SuggestionsInfo |
| final int len = si.getSuggestionsCount(); |
| sb.append('\n'); |
| for (int j = 0; j < len; ++j) { |
| if (j != 0) { |
| sb.append(", "); |
| } |
| sb.append(si.getSuggestionAt(j)); |
| } |
| sb.append(" (" + len + ")"); |
| if (length != NOT_A_LENGTH) { |
| sb.append(" length = " + length + ", offset = " + offset); |
| } |
| } |
| |
| /** |
| * Callback for {@link SpellCheckerSession#getSuggestions(TextInfo, int)} |
| * and {@link SpellCheckerSession#getSuggestions(TextInfo[], int, boolean)} |
| * @param results an array of {@link SuggestionsInfo}s. |
| * These results are suggestions for {@link TextInfo}s queried by |
| * {@link SpellCheckerSession#getSuggestions(TextInfo, int)} or |
| * {@link SpellCheckerSession#getSuggestions(TextInfo[], int, boolean)} |
| */ |
| @Override |
| public void onGetSuggestions(final SuggestionsInfo[] arg0) { |
| Log.d(TAG, "onGetSuggestions"); |
| final StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < arg0.length; ++i) { |
| dumpSuggestionsInfoInternal(sb, arg0[i], 0, NOT_A_LENGTH); |
| } |
| runOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| mMainView.append(sb.toString()); |
| } |
| }); |
| } |
| |
| /** |
| * Callback for {@link SpellCheckerSession#getSentenceSuggestions(TextInfo[], int)} |
| * @param results an array of {@link SentenceSuggestionsInfo}s. |
| * These results are suggestions for {@link TextInfo}s |
| * queried by {@link SpellCheckerSession#getSentenceSuggestions(TextInfo[], int)}. |
| */ |
| @Override |
| public void onGetSentenceSuggestions(final SentenceSuggestionsInfo[] arg0) { |
| if (!isSentenceSpellCheckSupported()) { |
| Log.e(TAG, "Sentence spell check is not supported on this platform, " |
| + "but accidentially called."); |
| return; |
| } |
| Log.d(TAG, "onGetSentenceSuggestions"); |
| final StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < arg0.length; ++i) { |
| final SentenceSuggestionsInfo ssi = arg0[i]; |
| for (int j = 0; j < ssi.getSuggestionsCount(); ++j) { |
| dumpSuggestionsInfoInternal( |
| sb, ssi.getSuggestionsInfoAt(j), ssi.getOffsetAt(j), ssi.getLengthAt(j)); |
| } |
| } |
| runOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| mMainView.append(sb.toString()); |
| } |
| }); |
| } |
| } |