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Support sentence level spell check in sample code of the spell checker

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Bug: 6136149

Change-Id: I1519258dd3ce95ad01e50a75f802469737bef3c4
This commit is contained in:
satok
2012-03-29 17:21:58 +09:00
parent 51635d3744
commit cd68d40846
5 changed files with 152 additions and 11 deletions
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66
samples/SpellChecker/SampleSpellCheckerService/src/com/example/android/samplespellcheckerservice/SampleSpellCheckerService.java
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@@ -16,20 +16,31 @@
package com.example.android.samplespellcheckerservice;
import android.os.Build;
import android.service.textservice.SpellCheckerService;
import android.util.Log;
import android.view.textservice.SentenceSuggestionsInfo;
import android.view.textservice.SuggestionsInfo;
import android.view.textservice.TextInfo;
import java.util.ArrayList;
public class SampleSpellCheckerService extends SpellCheckerService {
private static final String TAG = SampleSpellCheckerService.class.getSimpleName();
private static final boolean DBG = true;
@Override
public Session createSession() {
return new AndroidSpellCheckerSession();
}
private static class AndroidSpellCheckerSession extends Session {
private boolean isSentenceSpellCheckApiSupported() {
// Note that the sentence level spell check APIs work on JB or later.
return Build.VERSION.SDK_INT >= 16;
}
private String mLocale;
@Override
public void onCreate() {
@@ -51,5 +62,60 @@ public class SampleSpellCheckerService extends SpellCheckerService {
return new SuggestionsInfo(flags,
new String[] {"aaa", "bbb", "Candidate for " + input, mLocale});
}
@Override
public SentenceSuggestionsInfo[] onGetSentenceSuggestionsMultiple(
TextInfo[] textInfos, int suggestionsLimit) {
if (!isSentenceSpellCheckApiSupported()) {
Log.e(TAG, "Sentence spell check is not supported on this platform, "
+ "but accidentially called.");
return null;
}
final ArrayList<SentenceSuggestionsInfo> retval =
new ArrayList<SentenceSuggestionsInfo>();
for (int i = 0; i < textInfos.length; ++i) {
final TextInfo ti = textInfos[i];
if (DBG) {
Log.d(TAG, "onGetSentenceSuggestionsMultiple: " + ti.getText());
}
final String input = ti.getText();
final int length = input.length();
final SuggestionsInfo[] sis;
final int[] lengths;
final int[] offsets;
if (input.equalsIgnoreCase("I wold like to here form you")) {
// Return sentence level suggestion for this fixed input
final int flags0 = SuggestionsInfo.RESULT_ATTR_LOOKS_LIKE_TYPO;
final int flags1 = SuggestionsInfo.RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS
| SuggestionsInfo.RESULT_ATTR_LOOKS_LIKE_TYPO;
final int flags2 = flags1;
final SuggestionsInfo si0 = new SuggestionsInfo(
flags0, new String[] { "would" });
final SuggestionsInfo si1 = new SuggestionsInfo(
flags1, new String[] { "hear" });
final SuggestionsInfo si2 = new SuggestionsInfo(
flags2, new String[] { "from" });
sis = new SuggestionsInfo[] {si0, si1, si2};
offsets = new int[] { 2, 15, 20 };
lengths = new int[] { 4, 4, 4 };
} else {
// Just a fake logic:
// length <= 3 for short words that we assume are in the fake dictionary
// length > 20 for too long words that we assume can't be recognized
// (such as CJK words)
final int flags = length <= 3 ? SuggestionsInfo.RESULT_ATTR_IN_THE_DICTIONARY
: length <= 20 ? SuggestionsInfo.RESULT_ATTR_LOOKS_LIKE_TYPO : 0;
final SuggestionsInfo si = new SuggestionsInfo(flags,
new String[] {"aaa", "bbb", "Candidate for " + input, mLocale});
sis = new SuggestionsInfo[] { si };
offsets = new int[] { 0 };
lengths = new int[] { ti.getText().length() };
}
final SentenceSuggestionsInfo ssi =
new SentenceSuggestionsInfo(sis, lengths, offsets);
retval.add(ssi);
}
return retval.toArray(new SentenceSuggestionsInfo[0]);
}
}
}