当我在模拟器上启动我的应用时，我发现此消息＆gt;应用程序可能在其主线程上做了太多工作。当我在手机上启动应用程序时，情况也是如此。它的运行，但很慢。我的手机和模拟器工作缓慢还是我在代码中犯了错误？
我看到有很多类似的问题，但每个问题都有不同的解决方案。 Tnx很多！
logcat的
12-24 18:11:37.923: I/ActivityThread(1385): Pub com.bogdanskoric.recnik.DictionaryProvider: com.bogdanskoric.recnik.DictionaryProvider
12-24 18:11:38.464: D/dalvikvm(1385): GC_FOR_ALLOC freed 121K, 3% free 8263K/8455K, paused 125ms, total 129ms
12-24 18:11:38.486: I/dalvikvm-heap(1385): Grow heap (frag case) to 9.582MB for 1536016-byte allocation
12-24 18:11:38.594: D/dalvikvm(1385): GC_CONCURRENT freed 2K, 3% free 9761K/9991K, paused 27ms+6ms, total 110ms
12-24 18:11:39.524: I/Choreographer(1385): Skipped 49 frames! The application may be doing too much work on its main thread.
12-24 18:11:39.723: D/gralloc_goldfish(1385): Emulator without GPU emulation detected.
12-24 18:11:41.454: I/Choreographer(1385): Skipped 348 frames! The application may be doing too much work on its main thread.
12-24 18:11:44.463: I/Choreographer(1385): Skipped 59 frames! The application may be doing too much work on its main thread.
12-24 18:11:46.124: I/Choreographer(1385): Skipped 36 frames! The application may be doing too much work on its main thread.
SearchableDictionary.java
package com.bogdanskoric.recnik;
handleIntent(intent);
}
private void handleIntent(Intent intent) {
if (Intent.ACTION_VIEW.equals(intent.getAction())) {
// handles a click on a search suggestion; launches activity to show word
Intent wordIntent = new Intent(this, WordActivity.class);
wordIntent.setData(intent.getData());
startActivity(wordIntent);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.searchable_dictionary, menu);
MenuItem item = menu.findItem(R.id.search);
final SearchView searchView = (SearchView)MenuItemCompat.getActionView(item);
SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
SearchableInfo info = searchManager.getSearchableInfo(getComponentName());
searchView.setSearchableInfo(info);
searchView.setIconified(true);
int searchDeleteImgId = getResources().getIdentifier("android:id/search_close_btn", null, null);
ImageView searchDeleteImg = (ImageView) searchView.findViewById(searchDeleteImgId);
searchDeleteImg.setImageResource(R.drawable.ic_action_discard);
int searchSrcTextId = getResources().getIdentifier( "android:id/search_src_text", null, null);
EditText searchEditText = (EditText) searchView.findViewById(searchSrcTextId);
searchEditText.setTextColor(Color.WHITE);
searchEditText.setHintTextColor(Color.WHITE);
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String s) {
return true;
}
@Override
public boolean onQueryTextChange(String s) {
return false;
}
});
return true;
}
WordActivity.java
public class WordActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.word);
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB){
ActionBar actionBar = getActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
}
Uri uri = getIntent().getData();
Cursor cursor = managedQuery(uri, null, null, null, null);
if (cursor == null) {
finish();
} else {
cursor.moveToFirst();
TextView word = (TextView) findViewById(R.id.word);
TextView definition = (TextView) findViewById(R.id.definition);
int wIndex = cursor.getColumnIndexOrThrow(DictionaryDatabase.KEY_WORD);
int dIndex = cursor.getColumnIndexOrThrow(DictionaryDatabase.KEY_DEFINITION);
word.setText(cursor.getString(wIndex));
definition.setText(cursor.getString(dIndex));
}
}
DictionaryProvider.java
public class DictionaryProvider扩展ContentProvider { String TAG =＆＃34; DictionaryProvider＆＃34 ;;
public static String AUTHORITY = "com.bogdanskoric.recnik.DictionaryProvider";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/dictionary");
public static final String WORDS_MIME_TYPE = ContentResolver.CURSOR_DIR_BASE_TYPE +
"/vnd.bogdanskoric.recnik";
public static final String DEFINITION_MIME_TYPE = ContentResolver.CURSOR_ITEM_BASE_TYPE +
"/vnd.bogdanskoric.recnik";
private DictionaryDatabase mDictionary;
// UriMatcher stuff
private static final int SEARCH_WORDS = 0;
private static final int GET_WORD = 1;
private static final int SEARCH_SUGGEST = 2;
private static final int REFRESH_SHORTCUT = 3;
private static final UriMatcher sURIMatcher = buildUriMatcher();
private static UriMatcher buildUriMatcher() {
UriMatcher matcher = new UriMatcher(UriMatcher.NO_MATCH);
// to get definitions...
matcher.addURI(AUTHORITY, "dictionary", SEARCH_WORDS);
matcher.addURI(AUTHORITY, "dictionary/#", GET_WORD);
// to get suggestions...
matcher.addURI(AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, SEARCH_SUGGEST);
matcher.addURI(AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", SEARCH_SUGGEST);
matcher.addURI(AUTHORITY, SearchManager.SUGGEST_URI_PATH_SHORTCUT, REFRESH_SHORTCUT);
matcher.addURI(AUTHORITY, SearchManager.SUGGEST_URI_PATH_SHORTCUT + "/*", REFRESH_SHORTCUT);
return matcher;
}
@Override
public boolean onCreate() {
mDictionary = new DictionaryDatabase(getContext());
return true;
}
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
// Use the UriMatcher to see what kind of query we have and format the db query accordingly
switch (sURIMatcher.match(uri)) {
case SEARCH_SUGGEST:
if (selectionArgs == null) {
throw new IllegalArgumentException(
"selectionArgs must be provided for the Uri: " + uri);
}
return getSuggestions(selectionArgs[0]);
case SEARCH_WORDS:
if (selectionArgs == null) {
throw new IllegalArgumentException(
"selectionArgs must be provided for the Uri: " + uri);
}
return search(selectionArgs[0]);
case GET_WORD:
return getWord(uri);
case REFRESH_SHORTCUT:
return refreshShortcut(uri);
default:
throw new IllegalArgumentException("Unknown Uri: " + uri);
}
}
private Cursor getSuggestions(String query) {
query = query.toLowerCase();
String[] columns = new String[] {
BaseColumns._ID,
DictionaryDatabase.KEY_WORD,
/* SearchManager.SUGGEST_COLUMN_SHORTCUT_ID,
(only if you want to refresh shortcuts) */
SearchManager.SUGGEST_COLUMN_INTENT_DATA_ID};
return mDictionary.getWordMatches(query, columns);
}
private Cursor search(String query) {
query = query.toLowerCase();
String[] columns = new String[] {
BaseColumns._ID,
DictionaryDatabase.KEY_WORD,
DictionaryDatabase.KEY_DEFINITION};
return mDictionary.getWordMatches(query, columns);
}
private Cursor getWord(Uri uri) {
String rowId = uri.getLastPathSegment();
String[] columns = new String[] {
DictionaryDatabase.KEY_WORD,
DictionaryDatabase.KEY_DEFINITION};
return mDictionary.getWord(rowId, columns);
}
private Cursor refreshShortcut(Uri uri) {
String rowId = uri.getLastPathSegment();
String[] columns = new String[] {
BaseColumns._ID,
DictionaryDatabase.KEY_WORD,
DictionaryDatabase.KEY_DEFINITION,
SearchManager.SUGGEST_COLUMN_SHORTCUT_ID,
SearchManager.SUGGEST_COLUMN_INTENT_DATA_ID};
return mDictionary.getWord(rowId, columns);
}
@Override
public String getType(Uri uri) {
switch (sURIMatcher.match(uri)) {
case SEARCH_WORDS:
return WORDS_MIME_TYPE;
case GET_WORD:
return DEFINITION_MIME_TYPE;
case SEARCH_SUGGEST:
return SearchManager.SUGGEST_MIME_TYPE;
case REFRESH_SHORTCUT:
return SearchManager.SHORTCUT_MIME_TYPE;
default:
throw new IllegalArgumentException("Unknown URL " + uri);
}
}