; import java.util.HashMap ; import tl.android.data.TestContentProviderMetaData.BookTableMetaData ; import android.content.ContentProvider ; import android.content.ContentResolver ; import android.content.ContentUris ; import android.content . ContentValues ; import android.content.Context ; import android.content.UriMatcher ; import android.database.Cursor ; import android.database.SQLException ; import android.database.sqlite.SQLiteDatabase ; import android.database.sqlite.SQLiteOpenHelper ; import android.database.sqlite.SQLiteQueryBuilder ; import android.database.sqlite.SQLiteDatabase.CursorFactory ; import android.net.Uri ; import android.provider.BaseColumns ; import android.text.TextUtils ; import android.util.Log ; public class TestContentProvider extends ContentProvider ( public static final String TAG = "> quot ; amos_tl & quot ;; public DatabaseHelper openHelper = null ; / / - Create table column names and JavaBean map. public static HashMap & lt ; String, String & gt ; sBookProjectionMap = null ; static ( sBookProjectionMap = new HashMap & lt ; String , String & gt ; ( ) ; sBookProjectionMap. put ( BookTableMetaData._ID, BookTableMetaData._ID ) ; sBookProjectionMap. put ( BookTableMetaData. BOOK_NAME , BookTableMetaData. BOOK_NAME ) ; sBookProjectionMap. put ( BookTableMetaData. BOOK_ISBN , BookTableMetaData. BOOK_ISBN ) ; sBookProjectionMap. put ( BookTableMetaData. BOOK_AUTHOR , BookTableMetaData. BOOK_AUTHOR ) ; sBookProjectionMap. put ( BookTableMetaData. CREATED_DATE , BookTableMetaData. CREATED_DATE ) ; sBookProjectionMap. put ( BookTableMetaData. MODIFIED_DATE , BookTableMetaData. MODIFIED_DATE ) ; ) / / - create the best match URI device private static UriMatcher sUriMatcher = null ; / / - registered URI request type private static final int INCOMMING_BOOK_COLLECTION_URI_INDICATOR = 1 ; private static final int INCOMMING_SINGLE_BOOK_URI_INDICATOR = 2 ; static ( sUriMatcher = new UriMatcher ( UriMatcher. NO_MATCH ) ; sUriMatcher. addURI ( TestContentProviderMetaData. AUTHORITY , & quot ; books & quot ; , INCOMMING_BOOK_COLLECTION_URI_INDICATOR ) ; sUriMatcher. addURI ( TestContentProviderMetaData. AUTHORITY , & quot ; books / # & quot ; , INCOMMING_SINGLE_BOOK_URI_INDICATOR ) ; ) @ Overridepublic int delete ( Uri uri, String whereClause, String [ ] whereArgs ) ( Log. i ( TAG, & quot ; del & quot ; ) ; / / TODO Auto - generated method stubSQLiteDatabase db = openHelper. getWritableDatabase ( ) ; int count = 0 ; switch ( sUriMatcher. match ( uri ) ) ( case INCOMMING_BOOK_COLLECTION_URI_INDICATOR : count = db. delete ( BookTableMetaData. TABLE_NAME , whereClause, whereArgs ) ; break ; case INCOMMING_SINGLE_BOOK_URI_INDICATOR : String rowID = uri. getPathSegments ( ) . get ( 1 ) ; String where = BookTableMetaData._ID + & quot ;=& quot ; + rowID + ( ! TextUtils. isEmpty ( whereClause ) ? & quot ; AND ( & quot ; + whereClause + & # 39 ; ) & # 39 ; :& quot ;& quot ; ) ; count = db. delete ( BookTableMetaData. TABLE_NAME , where, whereArgs ) ; break ; default : throw new IllegalArgumentException ( & quot ; Unknown URI & quot ; + uri ) ; ) this . getContext ( ) . getContentResolver ( ) . notifyChange ( uri , null ) ; return count ; ) @ Overridepublic String getType ( Uri uri ) ( switch ( sUriMatcher. match ( uri ) ) ( case INCOMMING_BOOK_COLLECTION_URI_INDICATOR : return BookTableMetaData. CONTENT_TYPE ; case INCOMMING_SINGLE_BOOK_URI_INDICATOR : return BookTableMetaData. CONTENT_ITEM_TYPE ; default : throw new IllegalArgumentException ( & quot ; Unknown URI & quot ;+ uri ) ; } } Overridepublic Uri insert ( Uri uri, ContentValues values ) ( / / TODO Auto - generated method stubLog. i ( TAG, & quot ; insert & quot ; ) ; if ( sUriMatcher. match ( uri ) ! = INCOMMING_BOOK_COLLECTION_URI_INDICATOR ) ( throw new IllegalArgumentException ( & quot ; Unknown URI & quot ; + uri ) ; ) long now = Long . valueOf ( System . currentTimeMillis ( ) ) ; if ( values. containsKey ( BookTableMetaData. CREATED_DATE ) == false ) ( values. put ( BookTableMetaData. CREATED_DATE , now ) ; ) if ( values. containsKey ( BookTableMetaData. MODIFIED_DATE ) == false ) ( values. put ( BookTableMetaData. MODIFIED_DATE , now ) ; ) if ( values. containsKey ( BookTableMetaData. BOOK_NAME ) == false ) ( / / values. put ( BookTableMetaData. BOOK_NAME , & quot ; null & quot ; ) ; throw new SQLException ( & quot ; Failed to insert row, because Book Name is needed & quot ; + uri ) ; ) if ( values. containsKey ( BookTableMetaData. BOOK_ISBN ) == false ) ( values . put ( BookTableMetaData. BOOK_ISBN , & quot ; Unknown ISBN & quot ; ) ; ) if ( values. containsKey ( BookTableMetaData. BOOK_AUTHOR ) == false ) ( values. put ( BookTableMetaData. BOOK_AUTHOR , & quot ; Unknown author & quot ; ) ; ) SQLiteDatabase db = openHelper. getWritableDatabase ( ) ; long rowID = db. insert ( BookTableMetaData. TABLE_NAME , BookTableMetaData. BOOK_NAME , values ) ; if ( rowID & gt ; 0 ) ( Uri insertBookedUri = ContentUris. withAppendedId ( BookTableMetaData. CONTENT_URI , rowID ) ; getContext ( ) . getContentResolver ( ) . notifyChange ( insertBookedUri, null ) ; return insertBookedUri ; ) throw new SQLException ( & quot ; Failed to insert row into & quot ; + uri ) ; ) @ Overridepublic boolean onCreate ( ) ( / / TODO Auto - generated method stubLog. i ( TAG, & quot ; create table & quot ; ) ; openHelper = new DatabaseHelper ( this . getContext ( ) ) ; Log. i ( TAG, openHelper. toString ( ) ) ; return true ; ) @ Overridepublic Cursor query ( Uri uri, String [ ] projection, String selection, String [ ] selectionArgs, String sortOrder ) ( / / TODO Auto - generated method stubLog. i ( TAG, & quot ; query & quot ; ) ; Cursor cursor = null ; SQLiteQueryBuilder qb = null ; qb = new SQLiteQueryBuilder ( ) ; switch ( sUriMatcher. match ( uri ) ) ( case INCOMMING_BOOK_COLLECTION_URI_INDICATOR : qb. setTables ( BookTableMetaData. TABLE_NAME ) ; qb. setProjectionMap ( sBookProjectionMap ) ; break ; case INCOMMING_SINGLE_BOOK_URI_INDICATOR : qb. setTables ( BookTableMetaData. TABLE_NAME ) ; qb. setProjectionMap ( sBookProjectionMap ) ; qb. appendWhere ( BookTableMetaData._ID + & quot ;=& quot ; + uri. getPathSegments ( ) . get ( 1 ) ) ; break ; default : throw new IllegalArgumentException ( & quot ; Unknown URI & quot ; + uri ) ; ) String orderBy = & quot ;& quot ;; if ( TextUtils. isEmpty ( sortOrder ) ) ( orderBy = BookTableMetaData. DEFAULT_SORT_ORDER ; ) else ( orderBy = sortOrder ; ) SQLiteDatabase db = openHelper. getReadableDatabase ( ) ; Cursor c = qb. query ( db, projection, selection, selectionArgs, null , null , orderBy ) ; int i = c. getCount ( ) ; ContentResolver cr = this . getContext ( ) . getContentResolver ( ) ; c. setNotificationUri ( cr, uri ) ; return c ; ) @ Overridepublic int update ( Uri uri, ContentValues values, String selection, String [ ] selectionArgs ) ( / / TODO Auto - generated method stubLog. i ( TAG, & quot ; update & quot ; ) ; SQLiteDatabase db = openHelper. getWritableDatabase ( ) ; int count = 0 ; switch ( sUriMatcher. match ( uri ) ) ( case INCOMMING_BOOK_COLLECTION_URI_INDICATOR : count = db. update ( BookTableMetaData. TABLE_NAME , values, selection, selectionArgs ) ; break ; case INCOMMING_SINGLE_BOOK_URI_INDICATOR : String rowID = uri. getPathSegments ( ) . get ( 1 ) ; String where = & quot ; BookTableMetaData._ID & quot ; + & quot ;=& quot ; + rowID + ( ! TextUtils. isEmpty ( selection ) ? & quot ; AND ( & quot ; + selection +& # 39 ; ) & # 39 ;:& quot ;& quot ; ) ; count = db. update ( BookTableMetaData. TABLE_NAME , values, where, selectionArgs ) ; break ; default : throw new IllegalArgumentException ( & quot ; Unknown URI & quot ; + uri ) ; ) getContext ( ) . getContentResolver ( ) . notifyChange ( uri, null ) ; return count ; } //-- create tablepublic class DatabaseHelper extends SQLiteOpenHelper (public DatabaseHelper (Context context) (super (context, TestContentProviderMetaData.DATABASE_NAME, null, TestContentProviderMetaData.DATABASE_VERSION);) @ Overridepublic void onCreate (SQLiteDatabase db) (/ / TODO Auto-generated method stubString sql = "CREATE TABLE" + BookTableMetaData.TABLE_NAME + "(" + TestContentProviderMetaData.BookTableMetaData._ID + "INTEGER PRIMARY KEY," + BookTableMetaData.BOOK_NAME + "TEXT," + BookTableMetaData.BOOK_ISBN + "TEXT," + BookTableMetaData.BOOK_AUTHOR + "TEXT," + BookTableMetaData.CREATED_DATE + "INTEGER," + BookTableMetaData.MODIFIED_DATE + "INTEGER" + ");"; Log . i (TAG, db.getPath ()); db.execSQL (sql);) @ Overridepublic void onUpgrade (SQLiteDatabase db, int oldVersion, int newVersion) (/ / TODO Auto-generated method stubLog.i (TAG, "Upgrade database from "+ oldVersion +" to "+ newVersion +", which will destroy old data! "); String sql =" DROP TABLE IF EXISTS "+ BookTableMetaData.TABLE_NAME; db.execSQL (sql); onCreate (db);) )) class TestContentProviderMetaData (public static final String DATABASE_NAME = "books.db"; public static final int DATABASE_VERSION = 1; public static final String AUTHORITY = "tl.android.provider.bookprovider"; public static final String BOOKS_TABLE_NAME = "books" ; public static final class BookTableMetaData implements BaseColumns (public static final String TABLE_NAME = "books"; / / String public static final String BOOK_NAME = "name"; / / Stringpublic static final String BOOK_ISBN = "isbn"; / / Stringpublic static final String BOOK_AUTHOR = "author"; / / Integerpublic static final String CREATED_DATE = "created"; / / Integerpublic static final String MODIFIED_DATE = "modified"; public static final Uri CONTENT_URI = Uri.parse ( "content: / /" + AUTHORITY + " / books ");//-- multi-record public static final String CONTENT_TYPE = "vnd.android.cursor.dir / vnd.androidbook.book ";//-- a single record of public static final String CONTENT_ITEM_TYPE =" vnd.android. cursor.item / vnd.androidbook.book "; public static final String DEFAULT_SORT_ORDER =" modified DESC ";)) package tl.android.data; import java.util.HashMap; import tl.android.data.TestContentProviderMetaData.BookTableMetaData; import android.content.ContentProvider; import android.content.ContentResolver; import android.content.ContentUris; import android.content . ContentValues; import android.content.Context; import android.content.UriMatcher; import android.database.Cursor; import android.database.SQLException; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; import android.database.sqlite.SQLiteQueryBuilder; import android.database.sqlite.SQLiteDatabase.CursorFactory; import android.net.Uri; import android.provider.BaseColumns; import android.text.TextUtils; import android.util.Log; public class TestContentProvider extends ContentProvider (public static final String TAG = & quot; amos_tl & quot;; public DatabaseHelper openHelper = null; / / - Create table column names and JavaBean map. public static HashMap & lt; String, String & gt; sBookProjectionMap = null; static (sBookProjectionMap = new HashMap & lt; String, String & gt; (); sBookProjectionMap. put (BookTableMetaData._ID, BookTableMetaData._ID); sBookProjectionMap. put (BookTableMetaData. BOOK_NAME, BookTableMetaData. BOOK_NAME); sBookProjectionMap. put (BookTableMetaData. BOOK_ISBN, BookTableMetaData. BOOK_ISBN); sBookProjectionMap. put (BookTableMetaData. BOOK_AUTHOR, BookTableMetaData. BOOK_AUTHOR); sBookProjectionMap. put (BookTableMetaData. CREATED_DATE, BookTableMetaData. CREATED_DATE); sBookProjectionMap. put (BookTableMetaData. MODIFIED_DATE, BookTableMetaData. MODIFIED_DATE);) / / -- create the best match URI device private static UriMatcher sUriMatcher = null; / / - registered URI request type private static final int INCOMMING_BOOK_COLLECTION_URI_INDICATOR = 1; private static final int INCOMMING_SINGLE_BOOK_URI_INDICATOR = 2; static (sUriMatcher = new UriMatcher (UriMatcher. NO_MATCH); sUriMatcher. addURI (TestContentProviderMetaData. AUTHORITY, & quot; books & quot;, INCOMMING_BOOK_COLLECTION_URI_INDICATOR); sUriMatcher. addURI (TestContentProviderMetaData. AUTHORITY, & quot; books / # & quot;, INCOMMING_SINGLE_BOOK_URI_INDICATOR);) @ Overridepublic int delete (Uri uri, String whereClause, String [] whereArgs) (Log. i (TAG, & quot; del & quot;); / / TODO Auto - generated method stubSQLiteDatabase db = openHelper. getWritableDatabase (); int count = 0; switch (sUriMatcher. match (uri) ) (case INCOMMING_BOOK_COLLECTION_URI_INDICATOR: count = db. delete (BookTableMetaData. TABLE_NAME, whereClause, whereArgs); break; case INCOMMING_SINGLE_BOOK_URI_INDICATOR: String rowID = uri. getPathSegments (). get (1); String where = BookTableMetaData._ID + & quot; = & quot; + rowID + (! TextUtils. isEmpty (whereClause)? & quot; AND (& quot; + whereClause + & # 39;) & # 39;: & quot; & quot;); count = db. delete ( BookTableMetaData. TABLE_NAME, where, whereArgs); break; default: throw new IllegalArgumentException (& quot; Unknown URI & quot; + uri);) this. getContext (). getContentResolver (). notifyChange (uri, null); return count; ) @ Overridepublic String getType (Uri uri) (switch (sUriMatcher. match (uri)) (case INCOMMING_BOOK_COLLECTION_URI_INDICATOR: return BookTableMetaData. CONTENT_TYPE; case INCOMMING_SINGLE_BOOK_URI_INDICATOR: return BookTableMetaData. CONTENT_ITEM_TYPE; default: throw new IllegalArgumentException (& quot; Unknown URI & quot; + uri);)) Overridepublic Uri insert (Uri uri, ContentValues values) (/ / TODO Auto - generated method stubLog. i (TAG, & quot; insert & quot;); if (sUriMatcher. match (uri)! = INCOMMING_BOOK_COLLECTION_URI_INDICATOR ) (throw new IllegalArgumentException (& quot; Unknown URI & quot; + uri);) long now = Long. valueOf (System. currentTimeMillis ()); if (values. containsKey (BookTableMetaData. CREATED_DATE) == false) (values. put (BookTableMetaData. CREATED_DATE, now);) if (values. containsKey (BookTableMetaData. MODIFIED_DATE) == false) (values. put (BookTableMetaData. MODIFIED_DATE, now);) if (values. containsKey (BookTableMetaData. BOOK_NAME) == false ) (/ / values. put (BookTableMetaData. BOOK_NAME, & quot; null & quot;); throw new SQLException (& quot; Failed to insert row, because Book Name is needed & quot; + uri);) if (values. containsKey (BookTableMetaData. BOOK_ISBN) == false) (values. put (BookTableMetaData. BOOK_ISBN, & quot; Unknown ISBN & quot;);) if (values. containsKey (BookTableMetaData. BOOK_AUTHOR) == false) (values. put (BookTableMetaData . BOOK_AUTHOR, & quot; Unknown author & quot;);) SQLiteDatabase db = openHelper. getWritableDatabase (); long rowID = db. insert (BookTableMetaData. TABLE_NAME, BookTableMetaData. BOOK_NAME, values); if (rowID & gt; 0) ( Uri insertBookedUri = ContentUris. withAppendedId (BookTableMetaData. CONTENT_URI, rowID); getContext (). getContentResolver (). notifyChange (insertBookedUri, null); return insertBookedUri;) throw new SQLException (& quot; Failed to insert row into & quot; + uri );) @ Overridepublic boolean onCreate () (/ / TODO Auto - generated method stubLog. i (TAG, & quot; create table & quot;); openHelper = new DatabaseHelper (this. getContext ()); Log. i (TAG , openHelper. toString ()); return true;) @ Overridepublic Cursor query (Uri uri, String [] projection, String selection, String [] selectionArgs, String sortOrder) (/ / TODO Auto - generated method stubLog. i (TAG, & quot; query & quot;); Cursor cursor = null; SQLiteQueryBuilder qb = null; qb = new SQLiteQueryBuilder (); switch (sUriMatcher. match (uri)) (case INCOMMING_BOOK_COLLECTION_URI_INDICATOR: qb. setTables (BookTableMetaData. TABLE_NAME); qb. setProjectionMap (sBookProjectionMap); break; case INCOMMING_SINGLE_BOOK_URI_INDICATOR: qb. setTables (BookTableMetaData. TABLE_NAME); qb. setProjectionMap (sBookProjectionMap); qb. appendWhere (BookTableMetaData._ID + & quot; = & quot; + uri. getPathSegments (). get ( 1)); break; default: throw new IllegalArgumentException (& quot; Unknown URI & quot; + uri);) String orderBy = & quot; & quot;; if (TextUtils. isEmpty (sortOrder)) (orderBy = BookTableMetaData. DEFAULT_SORT_ORDER ;) else (orderBy = sortOrder;) SQLiteDatabase db = openHelper. getReadableDatabase (); Cursor c = qb. query (db, projection, selection, selectionArgs, null, null, orderBy); int i = c. getCount (); ContentResolver cr = this. getContext (). getContentResolver (); c. setNotificationUri (cr, uri); return c;) @ Overridepublic int update (Uri uri, ContentValues values, String selection, String [] selectionArgs) (/ / TODO Auto -- generated method stubLog. i (TAG, & quot; update & quot;); SQLiteDatabase db = openHelper. getWritableDatabase (); int count = 0; switch (sUriMatcher. match (uri)) (case INCOMMING_BOOK_COLLECTION_URI_INDICATOR: count = db. update ( BookTableMetaData. TABLE_NAME, values, selection, selectionArgs); break; case INCOMMING_SINGLE_BOOK_URI_INDICATOR: String rowID = uri. getPathSegments (). get (1); String where = & quot; BookTableMetaData._ID & quot; + & quot; = & quot; + rowID + (! TextUtils. isEmpty (selection)? & quot; AND (& quot; + selection + & # 39;) & # 39;: & quot; & quot;); count = db. update (BookTableMetaData. TABLE_NAME , values, where, selectionArgs); break; default: throw new IllegalArgumentException (& quot; Unknown URI & quot; + uri);) getContext (). getContentResolver (). notifyChange (uri, null); return count;) / / - create tablepublic class DatabaseHelper extends SQLiteOpenHelper (public DatabaseHelper (Context context) (super (context, TestContentProviderMetaData.DATABASE_NAME, null, TestContentProviderMetaData.DATABASE_VERSION);) @ Overridepublic void onCreate (SQLiteDatabase db) (/ / TODO Auto-generated method stubString sql = "CREATE TABLE" + BookTableMetaData.TABLE_NAME + "(" + TestContentProviderMetaData.BookTableMetaData._ID + "INTEGER PRIMARY KEY," + BookTableMetaData.BOOK_NAME + "TEXT," + BookTableMetaData.BOOK_ISBN + "TEXT , "+ BookTableMetaData.BOOK_AUTHOR +" TEXT, "+ BookTableMetaData.CREATED_DATE +" INTEGER, "+ BookTableMetaData.MODIFIED_DATE +" INTEGER "+ ");"; Log. i (TAG, db. getPath ()); db.execSQL (sql);) @ Overridepublic void onUpgrade (SQLiteDatabase db, int oldVersion, int newVersion) (/ / TODO Auto-generated method stubLog.i (TAG, "Upgrade database from" + oldVersion + "to" + newVersion + ", which will destroy old data!"); String sql = "DROP TABLE IF EXISTS" + BookTableMetaData.TABLE_NAME; db.execSQL (sql); onCreate (db); ))) class TestContentProviderMetaData (public static final String DATABASE_NAME = "books.db"; public static final int DATABASE_VERSION = 1; public static final String AUTHORITY = "tl.android.provider.bookprovider"; public static final String BOOKS_TABLE_NAME = "books"; public static final class BookTableMetaData implements BaseColumns (public static final String TABLE_NAME = "books"; / / String public static final String BOOK_NAME = "name"; / / Stringpublic static final String BOOK_ISBN = "isbn" ; / / Stringpublic static final String BOOK_AUTHOR = "author"; / / Integerpublic static final String CREATED_DATE = "created"; / / Integerpublic static final String MODIFIED_DATE = "modified"; public static final Uri CONTENT_URI = Uri.parse ( "content: / /" + AUTHORITY + "/ books ");//-- multi-record public static final String CONTENT_TYPE =" vnd.android.cursor.dir / vnd.androidbook.book "; / / - a single record of public static final String CONTENT_ITEM_TYPE = "vnd.android. cursor.item / vnd.androidbook.book"; public static final String DEFAULT_SORT_ORDER = "modified DESC";)) 

  ; import tl.android.data.TestContentProvider ; import android.app.Activity ; import android.content.ContentResolver ; import android.content.ContentValues ; import android.database.sqlite.SQLiteDatabase ; import android.os . Bundle ; public class MainActivity extends Activity ( / ** Called when the activity is first created. * / @ Override public void onCreate ( Bundle savedInstanceState ) ( super . onCreate ( savedInstanceState ) ; setContentView ( R. layout . main ) ; ContentResolver cr = this . getContentResolver ( ) ; ContentValues cv = new ContentValues ( ) ; cv. put ( & quot ; name & quot ; , & quot ; android pro & quot ; ) ; cr. insert ( TestContentProvider. CONTENT_URI , cv ) ; cv. put ( & quot ; name & quot ; , & quot ; android programming & quot ; ) ; cr. insert ( TestContentProvider. CONTENT_URI , cv ) ; ) ) package tl.android.apps; import tl.android.data.TestContentProvider; import android.app.Activity; import android.content.ContentResolver; import android.content.ContentValues; import android.database.sqlite.SQLiteDatabase; import android.os . Bundle; public class MainActivity extends Activity (/ ** Called when the activity is first created. * / @ Override public void onCreate (Bundle savedInstanceState) (super. onCreate (savedInstanceState); setContentView (R. layout. main); ContentResolver cr = this. getContentResolver (); ContentValues cv = new ContentValues (); cv. put (& quot; name & quot;, & quot; android pro & quot;); cr. insert (TestContentProvider. CONTENT_URI, cv); cv. put (& quot; name & quot;, & quot; android programming & quot;); cr. insert (TestContentProvider. CONTENT_URI, cv);)) 

  xml version = & quot ; 1.0 & quot ; encoding = & quot ; utf - 8 & quot ;?& gt ; & lt ; manifest xmlns : android = & quot ; http : //schemas.android.com/apk/res/android&quot; package = &quot;tl.android.apps&quot; android : versionCode = &quot;1&quot; android: versionName = &quot;1.0&quot;&gt; &lt;application android:icon=&quot;@drawable/icon&quot; android:label=&quot;@string/app_name&quot;&gt; &lt;activity android: name = &quot;tl.android.apps. MainActivity &quot;android: label =&quot; @ string / app_name &quot;&gt; &lt;intent-filter&gt; &lt;action android:name=&quot;android.intent.action.MAIN&quot; /&gt; &lt;category android: name =&quot; android.intent.category.LAUNCHER &quot; /&gt; &lt;/ intent-filter&gt; &lt;/ activity&gt; &lt;provider android:authorities=&quot;tl.android.provider.bookprovider&quot;android:name=&quot;tl.android.data.TestContentProvider&quot;&gt; &lt;/ provider&gt; &lt;/ application&gt; &lt; uses-sdk android: minSdkVersion = &quot;4&quot; /&gt; &lt;/ manifest&gt; & Lt;? Xml version = & quot; 1.0 & quot; encoding = & quot; utf - 8 & quot;? & Gt; & lt; manifest xmlns: android = & quot; http: / / schemas.android.com / apk / res / android "package =" tl.android.apps "android: versionCode =" 1 "android: versionName =" 1.0 "> <application android: icon =" @ drawable / icon "android : label = "@ string / app_name"> <activity android: name = "tl.android.apps. MainActivity "android: label =" @ string / app_name "> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android: name =" android.intent.category.LAUNCHER "/> </ intent-filter> < / activity> <provider android:authorities="tl.android.provider.bookprovider"android:name="tl.android.data.TestContentProvider"> </ provider> </ application> <uses - sdk android: minSdkVersion = "4" /> </ manifest>