Java Intent.ACTION_SEARCH屬性代碼示例

private Intent intentForDictionary(CharSequence word) {
    final SettingsModel settings = new SettingsModel(this);
    String dictPkg = settings.getPackageName();
    String action = settings.getAction();
    if (dictPkg != null && dictPkg.startsWith("livio.pack.lang.") && !Intent.ACTION_SEARCH.equals(action)) {
        PLog.v("DictionaryOnCopyService.launchDictionary(): Livio-specific workaround for action. package=%s", dictPkg);
        // Livio dictionaries support colordict's action, but somehow it only brings up the app without word lookup.
        // So here I use Livio's default action string
        action = Intent.ACTION_SEARCH;
    }
    Intent intent = new Intent(action);
    intent.setPackage(dictPkg);
    intent.putExtra(SearchManager.QUERY, word);
    // FLAG_ACTIVITY_NO_USER_ACTION is needed to make system back button work, i.e.,
    // after dictionary is launched, pressing back button will go back to the previous app.
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_NO_USER_ACTION);

    return intent;
}
 

public void playSong(String youtubeLink) {
    Intent intent = new Intent(Intent.ACTION_SEARCH);
    intent.setPackage("com.google.android.youtube");
    intent.putExtra("query", youtubeLink);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    startActivity(intent);
}
 

private static boolean isDictionaryAction(Intent intent) {
    if (intent == null) {
        return false;
    }

    switch(intent.getAction()) {
        case "colordict.intent.action.SEARCH":
        case Intent.ACTION_SEARCH:
            return true;
        default:
            return false;
    }
}
 

private void launchQuerySearch(int actionKey, String actionMsg, String query) {
    String action = Intent.ACTION_SEARCH;
    Intent intent = createIntent(action, null, null, query, actionKey, actionMsg);
    getContext().startActivity(intent);
}
 

/**
 * Create and return an Intent that can launch the voice search activity, perform a specific
 * voice transcription, and forward the results to the searchable activity.
 *
 * @param baseIntent The voice app search intent to start from
 * @return A completely-configured intent ready to send to the voice search activity
 */
private Intent createVoiceAppSearchIntent(Intent baseIntent, SearchableInfo searchable) {
    ComponentName searchActivity = searchable.getSearchActivity();

    // create the necessary intent to set up a search-and-forward operation
    // in the voice search system.   We have to keep the bundle separate,
    // because it becomes immutable once it enters the PendingIntent
    Intent queryIntent = new Intent(Intent.ACTION_SEARCH);
    queryIntent.setComponent(searchActivity);
    PendingIntent pending = PendingIntent.getActivity(getContext(), 0, queryIntent,
            PendingIntent.FLAG_ONE_SHOT);

    // Now set up the bundle that will be inserted into the pending intent
    // when it's time to do the search.  We always build it here (even if empty)
    // because the voice search activity will always need to insert "QUERY" into
    // it anyway.
    Bundle queryExtras = new Bundle();

    // Now build the intent to launch the voice search.  Add all necessary
    // extras to launch the voice recognizer, and then all the necessary extras
    // to forward the results to the searchable activity
    Intent voiceIntent = new Intent(baseIntent);

    // Add all of the configuration options supplied by the searchable's metadata
    String languageModel = RecognizerIntent.LANGUAGE_MODEL_FREE_FORM;
    String prompt = null;
    String language = null;
    int maxResults = 1;

    Resources resources = getResources();
    if (searchable.getVoiceLanguageModeId() != 0) {
        languageModel = resources.getString(searchable.getVoiceLanguageModeId());
    }
    if (searchable.getVoicePromptTextId() != 0) {
        prompt = resources.getString(searchable.getVoicePromptTextId());
    }
    if (searchable.getVoiceLanguageId() != 0) {
        language = resources.getString(searchable.getVoiceLanguageId());
    }
    if (searchable.getVoiceMaxResults() != 0) {
        maxResults = searchable.getVoiceMaxResults();
    }
    voiceIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, languageModel);
    voiceIntent.putExtra(RecognizerIntent.EXTRA_PROMPT, prompt);
    voiceIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, language);
    voiceIntent.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS, maxResults);
    voiceIntent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, searchActivity == null ? null
            : searchActivity.flattenToShortString());

    // Add the values that configure forwarding the results
    voiceIntent.putExtra(RecognizerIntent.EXTRA_RESULTS_PENDINGINTENT, pending);
    voiceIntent.putExtra(RecognizerIntent.EXTRA_RESULTS_PENDINGINTENT_BUNDLE, queryExtras);

    return voiceIntent;
}
 

/**
 * When a particular suggestion has been selected, perform the various lookups required
 * to use the suggestion.  This includes checking the cursor for suggestion-specific data,
 * and/or falling back to the XML for defaults;  It also creates REST style Uri data when
 * the suggestion includes a data id.
 *
 * @param c The suggestions cursor, moved to the row of the user's selection
 * @param actionKey The key code of the action key that was pressed,
 *        or {@link KeyEvent#KEYCODE_UNKNOWN} if none.
 * @param actionMsg The message for the action key that was pressed,
 *        or <code>null</code> if none.
 * @return An intent for the suggestion at the cursor's position.
 */
private Intent createIntentFromSuggestion(Cursor c, int actionKey, String actionMsg) {
    try {
        // use specific action if supplied, or default action if supplied, or fixed default
        String action = getColumnString(c, SearchManager.SUGGEST_COLUMN_INTENT_ACTION);

        if (action == null) {
            action = mSearchable.getSuggestIntentAction();
        }
        if (action == null) {
            action = Intent.ACTION_SEARCH;
        }

        // use specific data if supplied, or default data if supplied
        String data = getColumnString(c, SearchManager.SUGGEST_COLUMN_INTENT_DATA);
        if (data == null) {
            data = mSearchable.getSuggestIntentData();
        }
        // then, if an ID was provided, append it.
        if (data != null) {
            String id = getColumnString(c, SearchManager.SUGGEST_COLUMN_INTENT_DATA_ID);
            if (id != null) {
                data = data + "/" + Uri.encode(id);
            }
        }
        Uri dataUri = (data == null) ? null : Uri.parse(data);

        String query = getColumnString(c, SearchManager.SUGGEST_COLUMN_QUERY);
        String extraData = getColumnString(c, SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA);

        return createIntent(action, dataUri, extraData, query, actionKey, actionMsg);
    } catch (RuntimeException e ) {
        int rowNum;
        try {                       // be really paranoid now
            rowNum = c.getPosition();
        } catch (RuntimeException e2 ) {
            rowNum = -1;
        }
        Log.w(LOG_TAG, "Search suggestions cursor at row " + rowNum +
                        " returned exception.", e);
        return null;
    }
}