E / ActivityThread：无法找到com.example.honore.nativedictionary.DictionaryProvider的提供者信息

时间：2015-12-12 07:08:05

标签： java android

我遇到了从我导入的可搜索词典应用程序的问题 Github上;任何帮助将不胜感激。

我可以启动应用程序并输入要搜索的单词，但是，没有 即使我输入一个我确定在的单词，也会显示结果 字典（定义文件）。此外，该建议无效。请 帮我解决这个问题。提前感谢您的帮助。

package com.example.hodah01.nativedictionary;

import android.app.SearchManager;
import android.support.v4.widget.SimpleCursorAdapter;
import android.content.ContentProvider;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.UriMatcher;
import android.database.Cursor;
import android.net.Uri;
import android.provider.BaseColumns;

public class DictionaryProvider extends ContentProvider {
String TAG = "DictionaryProvider";


public static String AUTHORITY = 
"com.example.hodah1.nativedictionary.DictionaryProvider";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY 
+ "/dictionary");

// MIME types used for searching words or looking up a single definition
public static final String WORDS_MIME_TYPE =  
ContentResolver.CURSOR_DIR_BASE_TYPE +
"/vnd.example.hodah1.nativedictionary";
public static final String DEFINITION_MIME_TYPE = 
ContentResolver.CURSOR_ITEM_BASE_TYPE +
"/vnd.example.hodah1.nativedictionary";

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();


/**
 * Builds up a UriMatcher for search suggestion and shortcut refresh 
   queries.
 */
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,
            DictionaryDatabase.KEY_DEFINITION,
    /* 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);
    }
}


// Other required implementations...


@Override
public Uri insert(Uri uri, ContentValues values) {
    throw new UnsupportedOperationException();
}

@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
    throw new UnsupportedOperationException();
}


@Override
public int update(Uri uri, ContentValues values, String selection, String[]
selectionArgs) {
    throw new UnsupportedOperationException();
}
}

package com.example.hodah01.nativedictionary;

import android.app.Activity;
import android.app.ActionBar;
import android.app.SearchManager;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SearchView;
import android.support.v4.widget.SimpleCursorAdapter;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
import android.support.v7.app.ActionBarActivity;


public class SearchableDictionary extends Activity{

private TextView mTextView;
private ListView mListView;


@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);


    mTextView = (TextView) findViewById(R.id.text);
    mListView = (ListView) findViewById(R.id.list);


    handleIntent(getIntent());
}


@Override
protected void onNewIntent(Intent intent) {
handleIntent(intent);
}


private void handleIntent(Intent intent) {
    if (Intent.ACTION_VIEW.equals(intent.getAction()))
    {
        Intent wordIntent = new Intent(this, WordActivity.class);
        wordIntent.setData(intent.getData());
        startActivity(wordIntent);
    }
    else if (Intent.ACTION_SEARCH.equals(intent.getAction()))
    {
        // handles a search query
        String query = intent.getStringExtra(SearchManager.QUERY);
        showResults(query);
    }
}


private void showResults(String query) 
{

    Cursor cursor = getContentResolver().quer
    (DictionaryProvider.CONTENT_URI, null, null,
            new String[] {query}, null);


    if (cursor == null)
    {
        // There are no results
        mTextView.setText(getString(R.string.no_results, new Object[] 
        {query}));
    }
    else
    {
        // Display the number of results
        int count = cursor.getCount();
        String countString = getResources().getQuantityString
        (R.plurals.search_results,
                count, new Object[] {count, query});
        mTextView.setText(countString);

        // Specify the columns we want to display in the result
        String[] from = new String[] { DictionaryDatabase.KEY_WORD,
                DictionaryDatabase.KEY_DEFINITION };


                int[] to = new int[] { R.id.word,R.id.definition };



        SimpleCursorAdapter words = new SimpleCursorAdapter(this,
        R.layout.result, cursor, from, to, 1);
        mListView.setAdapter(words);


        // Define the on-click listener for the list items
        mListView.setOnItemClickListener(new OnItemClickListener() {


        @Override
        public void onItemClick(AdapterView<?> parent, View view, int 
        position, long id) {
        Intent wordIntent = new Intent(getApplicationContext(), 
        WordActivity.class);
                Uri data = Uri.withAppendedPa
                 (DictionaryProvider.CONTENT_URI,
                        String.valueOf(id));
                wordIntent.setData(data);
                startActivity(wordIntent);
            }
        });
    }
}


@Override
public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.options_menu, menu);


    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB){
        SearchManager searchManager = (SearchManager) getSystemService
        (Context.SEARCH_SERVICE);
        SearchView searchView = (SearchView) menu.findItem
        (R.id.search).getActionView();
        searchView.setSearchableInfo(searchManager.getSearchableInfo
        (getComponentName()));
        searchView.setIconifiedByDefault(false);
    }


    return true;
}


@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case R.id.search:
            onSearchRequested();
            return true;
        default:
            return false;
    }
}
}


package com.example.hodah01.nativedictionary;

import android.app.Activity;
import android.app.ActionBar;
import android.app.SearchManager;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SearchView;
import android.support.v4.widget.SimpleCursorAdapter;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
import android.support.v7.app.ActionBarActivity;


/**
 * The main activity for the dictionary.
 * Displays search results triggered by the search dialog and handles
 * actions from search suggestions.
 */
public class SearchableDictionary extends Activity{


private TextView mTextView;
private ListView mListView;


@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);


    mTextView = (TextView) findViewById(R.id.text);
    mListView = (ListView) findViewById(R.id.list);


    handleIntent(getIntent());
}


@Override
protected void onNewIntent(Intent intent) {
           handleIntent(intent);
}


private void handleIntent(Intent intent) {
    if (Intent.ACTION_VIEW.equals(intent.getAction()))
    {
        Intent wordIntent = new Intent(this, WordActivity.class);
        wordIntent.setData(intent.getData());
        startActivity(wordIntent);
    }
    else if (Intent.ACTION_SEARCH.equals(intent.getAction()))
    {
        // handles a search query
        String query = intent.getStringExtra(SearchManager.QUERY);
        showResults(query);
    }
}


/**
 * Searches the dictionary and displays results for the given query.
 * @param query The search query
 */
private void showResults(String query) {


    Cursor cursor = getContentResolver().query
    (DictionaryProvider.CONTENT_URI, null, null,new String[] {query}, null);


    if (cursor == null)
    {
        // There are no results
        mTextView.setText(getString(R.string.no_results, new Object[] 
    {query}));
    }
    else
    {
        // Display the number of results
        int count = cursor.getCount();
        String countString = getResources().getQuantityString
(R.plurals.search_results,
                count, new Object[] {count, query});
        mTextView.setText(countString);


        // Specify the columns we want to display in the result
        String[] from = new String[] { DictionaryDatabase.KEY_WORD,
                DictionaryDatabase.KEY_DEFINITION };

                    int[] to = new int[] { R.id.word,
                R.id.definition };

        SimpleCursorAdapter words = new SimpleCursorAdapter(this, 
R.layout.result, cursor, from, to, 1);
        mListView.setAdapter(words);


        // Define the on-click listener for the list items
        mListView.setOnItemClickListener(new OnItemClickListener() {


            @Override
            public void onItemClick(AdapterView<?> parent, View view, int 
position, long id) {
Intent wordIntent = new Intent(getApplicationContext(), WordActivity.class);
                Uri data = Uri.withAppendedPath
(DictionaryProvider.CONTENT_URI,
                        String.valueOf(id));
                wordIntent.setData(data);
                startActivity(wordIntent);
            }
        });
    }
}


@Override
public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.options_menu, menu);


    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB){
        SearchManager searchManager = (SearchManager) getSystemService
(Context.SEARCH_SERVICE);
SearchView searchView = (SearchView) menu.findItem
(R.id.search).getActionView();
searchView.setSearchableInfo(searchManager.getSearchableInfo
(getComponentName()));
        searchView.setIconifiedByDefault(false);
    }


    return true;
}


@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case R.id.search:
            onSearchRequested();
            return true;
        default:
            return false;
    }
}
}

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package = "com.example.hodah01.nativedictionary"
android:versionCode="2"
android:versionName="2.0">

<uses-sdk android:minSdkVersion="7" android:targetSdkVersion="15" />
     <application android:label="@string/app_name"
                  android:icon="@drawable/ic_dictionary">


        <!-- The default activity of the app; displays search results. -->
         <activity android:name=".SearchableDictionary"
                   android:launchMode="singleTop">
             <intent-filter>
             <action android:name="android.intent.action.MAIN" />
             <category android:name="android.intent.category.LAUNCHER" />
         </intent-filter>

             <!-- Receives the search request. -->
             <intent-filter>
             <action android:name="android.intent.action.SEARCH" />
                          </intent-filter>


            <!-- Points to searchable meta data. -->
             <meta-data android:name="android.app.searchable"
                        android:resource="@xml/searchable" />


         </activity>


         <!-- Displays the definition of a word. -->
         <activity android:name=".WordActivity" />


<provider android:name="com.example.hodah01.nativedictionary.DictionaryProvider"

android:authorities="com.example.hodah01.nativedictionary.DictionaryProvider"

android:enabled="true"
android:multiprocess="true"
android:exported="true" />

<meta-data android:name="android.app.default_searchable"
android:value=".SearchableDictionary" />
</application>
</manifest>

0 个答案:

没有答案
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