1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.hellospellchecker; 18 19 import android.app.Activity; 20 import android.content.Context; 21 import android.os.Bundle; 22 import android.util.Log; 23 import android.view.textservice.SpellCheckerSession; 24 import android.view.textservice.SuggestionsInfo; 25 import android.view.textservice.TextInfo; 26 import android.view.textservice.TextServicesManager; 27 import android.view.textservice.SpellCheckerSession.SpellCheckerSessionListener; 28 import android.widget.TextView; 29 import java.lang.StringBuilder; 30 31 public class HelloSpellCheckerActivity extends Activity implements SpellCheckerSessionListener { 32 private static final String TAG = HelloSpellCheckerActivity.class.getSimpleName(); 33 private TextView mMainView; 34 private SpellCheckerSession mScs; 35 /** Called when the activity is first created. */ 36 @Override onCreate(Bundle savedInstanceState)37 public void onCreate(Bundle savedInstanceState) { 38 super.onCreate(savedInstanceState); 39 setContentView(R.layout.main); 40 mMainView = (TextView)findViewById(R.id.main); 41 } 42 43 @Override onResume()44 public void onResume() { 45 super.onResume(); 46 final TextServicesManager tsm = (TextServicesManager) getSystemService( 47 Context.TEXT_SERVICES_MANAGER_SERVICE); 48 mScs = tsm.newSpellCheckerSession(null, null, this, true); 49 if (mScs != null) { 50 // Instantiate TextInfo for each query 51 // TextInfo can be passed a sequence number and a cookie number to identify the result 52 mScs.getSuggestions(new TextInfo("tgis"), 3); 53 mScs.getSuggestions(new TextInfo("hllo"), 3); 54 mScs.getSuggestions(new TextInfo("helloworld"), 3); 55 } else { 56 Log.e(TAG, "Couldn't obtain the spell checker service."); 57 } 58 } 59 60 @Override onPause()61 public void onPause() { 62 super.onPause(); 63 if (mScs != null) { 64 mScs.close(); 65 } 66 } 67 68 @Override onGetSuggestions(final SuggestionsInfo[] arg0)69 public void onGetSuggestions(final SuggestionsInfo[] arg0) { 70 final StringBuilder sb = new StringBuilder(); 71 for (int i = 0; i < arg0.length; ++i) { 72 // Returned suggestions are contained in SuggestionsInfo 73 final int len = arg0[i].getSuggestionsCount(); 74 sb.append('\n'); 75 for (int j = 0; j < len; ++j) { 76 sb.append("," + arg0[i].getSuggestionAt(j)); 77 } 78 sb.append(" (" + len + ")"); 79 } 80 runOnUiThread(new Runnable() { 81 @Override 82 public void run() { 83 mMainView.append(sb.toString()); 84 } 85 }); 86 } 87 } 88