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 Jerzy Chalupski chalup, futuresimple  [email protected] Data model on Android Base CRM http://porcupineprogrammer.blogspot.com/ 

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Data model on Android 61 releases 200+ migrations 50 models ~90 relations ~2 years on Google Play ~100k LOC

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futuresimple chalup

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UI + Services ContentProvider Database

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UI + Services ContentProvider Database BOILERPLATE UNFRIENDLY APIS

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UI + Services ContentProvider Database BOILERPLATE BOILERPLATE UNFRIENDLY APIS

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UI + Services ContentProvider Database BOILERPLATE BOILERPLATE UNFRIENDLY APIS MIGRATIONS BOILERPLATE

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UI + Services ContentProvider Database BOILERPLATE UNFRIENDLY APIS

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public class Address { public Long id; public String region; public String zip; public String country; public String city; public String street; } @Override public ContentValues getContentValues() { ContentValues values = new ContentValues(); values.put(Addresses.ID, id); values.put(Addresses.REGION, region); values.put(Addresses.ZIP, zip); values.put(Addresses.COUNTRY, country); values.put(Addresses.CITY, city); values.put(Addresses.STREET, street); return values; } POJOs with android.content.*

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public class Address { public Long id; public String region; public String zip; public String country; public String city; public String street; } public static Address getObjectFromCursor(Cursor c) { Address object = new Address(); int cId = c.getColumnIndex(Addresses.ID); object.id = c.isNull(cId) ? null : c.getLong(cId); object.region = c.getString(c.getColumnIndex(Addresses.REGION)); object.zip = c.getString(c.getColumnIndex(Addresses.ZIP)); object.country = c.getString(c.getColumnIndex(Addresses.COUNTRY)); object.city = c.getString(c.getColumnIndex(Addresses.CITY)); object.street = c.getString(c.getColumnIndex(Addresses.STREET)); return object; } POJOs with android.content.*

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MINI QUIZ TIME! What’s wrong with this code? Cursor c = /* some valid cursor */; boolean isDirty = c.getBoolean(c.getColumnIndex("is_dirty"));

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MINI QUIZ TIME! What’s wrong with this code? “Cannot resolve method Cursor.getBoolean(int)” Cursor c = /* some valid cursor */; boolean isDirty = c.getBoolean(c.getColumnIndex("is_dirty"));

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MINI QUIZ TIME! ContentValues values = new ContentValues(); values.put("is_dirty", true); What’s wrong with this code? “Cannot resolve method Cursor.getBoolean(int)” Cursor c = /* some valid cursor */; boolean isDirty = c.getBoolean(c.getColumnIndex("is_dirty"));

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MINI QUIZ TIME! ContentValues values = new ContentValues(); values.put("is_dirty", true); boolean isDirty = c.getInt(c.getColumnIndex("is_dirty")) == 1; What’s wrong with this code? “Cannot resolve method Cursor.getBoolean(int)” Cursor c = /* some valid cursor */; boolean isDirty = c.getBoolean(c.getColumnIndex("is_dirty"));

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public class Address { @Column(Addresses.ID) public Long id; @Column(Addresses.REGION) public String region; @Column(Addresses.ZIP) public String zip; @Column(Addresses.COUNTRY) public String country; @Column(Addresses.CITY) public String city; @Column(Addresses.STREET) public String street; } MicroOrm microOrm = new MicroOrm(); Address address = microOrm.fromCursor(cursor, Address.class); ContentValues values = microOrm.toContentValues(address); POJOs with MicroOrm

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 chalup/microorm POJOs with MicroOrm List
addresses = Lists.newArrayList(); if (c != null && c.moveToFirst()) { do { addresses.add(Address.getObjectFromCursor(c)); } while (c.moveToNext()); } BEFORE: AFTER: List
addresses = microOrm.listFromCursor(c, Address.class);

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MINI QUIZ TIME! How many parameters there is in ContentResolver’s query method? resolver.query(uri, ?);

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MINI QUIZ TIME! How many parameters there is in ContentResolver’s query method? resolver.query(uri, null, null, null, null);

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MINI QUIZ TIME! resolver.query(uri, null, null, null, null); resolver.query(uri, null, null, null, null, null); // API 16 How many parameters there is in ContentResolver’s query method?

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MINI QUIZ TIME! resolver.query(uri, null, null, null, null); resolver.query(uri, null, null, null, null, null); // API 16 How many parameters there is in ContentResolver’s query method? What about SQLiteDatabase? db.query(table, ?);

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MINI QUIZ TIME! resolver.query(uri, null, null, null, null); resolver.query(uri, null, null, null, null, null); // API 16 How many parameters there is in ContentResolver’s query method? What about SQLiteDatabase? db.query(table, null, null, null, null, null, null); db.query(table, null, null, null, null, null, null, null); db.query(true, table, null, null, null, null, null, null, null); db.query(true, table, null, null, null, null, null, null, null, null);

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MINI QUIZ TIME! resolver.query(uri, null, null, null, null); resolver.query(uri, null, null, null, null, null); // API 16 How many parameters there is in ContentResolver’s query method? What about SQLiteDatabase? db.query(table, null, null, null, null, null, null); db.query(table, null, null, null, null, null, null, null); db.query(true, table, null, null, null, null, null, null, null); db.query(true, table, null, null, null, null, null, null, null, null);

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MINI QUIZ TIME! resolver.query(uri, null, null, null, null); resolver.query(uri, null, null, null, null, null); // API 16 How many parameters there is in ContentResolver’s query method? What about SQLiteDatabase? db.query(table, null, null, null, null, null, null); db.query(table, null, null, null, null, null, null, null); db.query(true, table, null, null, null, null, null, null, null); db.query(true, table, null, null, null, null, null, null, null, null);

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MINI QUIZ TIME! resolver.query(uri, null, null, null, null); resolver.query(uri, null, null, null, null, null); // API 16 How many parameters there is in ContentResolver’s query method? What about SQLiteDatabase? db.query(table, null, null, null, null, null, null); db.query(table, null, null, null, null, null, null, null); db.query(true, table, null, null, null, null, null, null, null); db.query(true, table, null, null, null, null, null, null, null, null);

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ContentResolver API resolver.query(uri, null, null, null, null); resolver.query(uri, null, "is_dirty = ?", new String[] { String.valueOf(1) }, null ); ContentValues values = new ContentValues(); values.put("is_dirty", true); resolver.update(uri, values, null, null);

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 futuresimple/android-db-commons ProviderAction.query(uri).perform(resolver); FluentCursor fluentCursor = ProviderAction .query(uri) .where("is_dirty = ?", 1) .perform(resolver); fluentCursor.toFluentIterable(new Function() { /* ... */ }); ProviderAction .update(uri) .value("is_dirty", true) .perform(resolver); ProviderAction API

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@Override public Loader onCreateLoader(int id, Bundle args) { CursorLoader loader = new CursorLoader(getActivity()); loader.setUri(Contacts.CONTENT_URI); loader.setSelection("is_dirty = ?"); loader.setSelectionArgs(new String[] { String.valueOf(1) }); return loader; } @Override public void onLoadFinished(Loader loader, Cursor c) { if (c != null && c.moveToFirst()) { do { // interesting code } while (c.moveToNext()); } } CursorLoader API

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@Override public Loader onCreateLoader(int id, Bundle args) { CursorLoader loader = new CursorLoader(getActivity()); loader.setUri(Contacts.CONTENT_URI); loader.setSelection("is_dirty = ?"); loader.setSelectionArgs(new String[] { String.valueOf(1) }); return loader; } @Override public void onLoadFinished(Loader loader, Cursor c) { if (c != null && c.moveToFirst()) { do { // interesting code } while (c.moveToNext()); } } CursorLoader API

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CursorLoaderBuilder API @Override public Loader onCreateLoader(int id, Bundle args) { return CursorLoaderBuilder .forUri(Contacts.CONTENT_URI) .where("is_dirty = ?", 1) .build(getActivity()); }  futuresimple/android-db-commons

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 futuresimple/android-db-commons @Override public Loader> onCreateLoader(int id, Bundle args) { return CursorLoaderBuilder .forUri(Contacts.CONTENT_URI) .transform(new Function() { /* ... */ }) .build(getActivity()); } @Override public Loader onCreateLoader(int id, Bundle args) { return CursorLoaderBuilder .forUri(Contacts.CONTENT_URI) .wrap(new Function() { /* ... */ }) .build(getActivity()); } CursorLoaderBuilder API

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UI + Services ContentProvider Database MIGRATIONS BOILERPLATE

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UI + Services ContentProvider Database MIGRATIONS BOILERPLATE

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BACKEND MOBILE

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BACKEND MOBILE

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BACKEND MOBILE

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BACKEND MOBILE

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BACKEND MOBILE

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BACKEND MOBILE

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BACKEND MOBILE

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BACKEND MOBILE

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BACKEND MOBILE

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BACKEND MOBILE

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BACKEND MOBILE 250k items?

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BACKEND MOBILE ?

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BACKEND MOBILE

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BACKEND MOBILE

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BACKEND MOBILE OFFLINE MODE = DATA MIGRATIONS

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SQLite’s ALTER TABLE no ALTER COLUMN no DROP COLUMN no touching of PRIMARY KEY no ADD/DROP/ALTER CONSTRAINT

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, first_name TEXT, last_name TEXT ); CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, - first_name TEXT, - last_name TEXT + name TEXT ); SQLite’s ALTER TABLE ?

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, first_name TEXT, last_name TEXT ); CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, - first_name TEXT, - last_name TEXT + name TEXT ); SQLite’s ALTER TABLE ALTER TABLE users RENAME TO tmp;

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, first_name TEXT, last_name TEXT ); CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, - first_name TEXT, - last_name TEXT + name TEXT ); SQLite’s ALTER TABLE ALTER TABLE users RENAME TO tmp; CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, name TEXT );

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, first_name TEXT, last_name TEXT ); CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, - first_name TEXT, - last_name TEXT + name TEXT ); SQLite’s ALTER TABLE ALTER TABLE users RENAME TO tmp; CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, name TEXT ); INSERT INTO users (_id, email) SELECT _id, email FROM tmp;

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, first_name TEXT, last_name TEXT ); CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, - first_name TEXT, - last_name TEXT + name TEXT ); SQLite’s ALTER TABLE ALTER TABLE users RENAME TO tmp; CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, name TEXT ); INSERT INTO users (_id, email) SELECT _id, email FROM tmp; DROP TABLE tmp;

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 futuresimple/android-schema-utils Sane migrations API CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, first_name TEXT, last_name TEXT ); CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT, - first_name TEXT, - last_name TEXT + name TEXT ); TableMigration migration = TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .withMapping(/* ... */) .build(); mMigrationsHelper.performMigrations(db, migration);

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT ); Migrations gotcha v1

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT ); + first_name TEXT, + last_name TEXT Migrations gotcha v1 v5

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT ); + first_name TEXT, + last_name TEXT TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); Migrations gotcha v1 v5

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT ); - email TEXT + email TEXT NOT NULL + first_name TEXT, + last_name TEXT TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); Migrations gotcha v1 v5 v9

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT ); - email TEXT + email TEXT NOT NULL + first_name TEXT, + last_name TEXT TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); db.execSQL( ”DELETE FROM users” + ”WHERE email IS NULL” ); TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); Migrations gotcha v1 v5 v9

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT ); - email TEXT + email TEXT NOT NULL + first_name TEXT, + last_name TEXT TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); db.execSQL( ”DELETE FROM users” + ”WHERE email IS NULL” ); TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); Migrations gotcha v1 v5 v9

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT ); - email TEXT + email TEXT NOT NULL + first_name TEXT, + last_name TEXT TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); db.execSQL( ”DELETE FROM users” + ”WHERE email IS NULL” ); TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); Migrations gotcha v1 v5 v9

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT ); - email TEXT + email TEXT NOT NULL + first_name TEXT, + last_name TEXT TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); db.execSQL( ”DELETE FROM users” + ”WHERE email IS NULL” ); TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); Migrations gotcha v1 v5 v9

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT ); - email TEXT + email TEXT NOT NULL + first_name TEXT, + last_name TEXT TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); db.execSQL( ”DELETE FROM users” + ”WHERE email IS NULL” ); TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); Migrations gotcha v1 v5 v9

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CREATE TABLE users ( _id INTEGER PRIMARY KEY, email TEXT ); - email TEXT + email TEXT NOT NULL + first_name TEXT, + last_name TEXT TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); db.execSQL( ”DELETE FROM users” + ”WHERE email IS NULL” ); TableMigration .of(Tables.USERS) .to(CREATE_TABLE_USERS) .build(); Migrations gotcha v1 v5 v9 HAVE TO USE v5 SCHEMA

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MIGRATIONS == OLD SCHEMAS

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MINI QUIZ TIME! How would you keep old db schemas?

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MINI QUIZ TIME! How would you keep old db schemas? CREATE_TABLE_X_r1500

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MINI QUIZ TIME! How would you keep old db schemas? CREATE_TABLE_X_r1500 NO DIFFS

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MINI QUIZ TIME! How would you keep old db schemas? CREATE_TABLE_X_r1500 List of upgrades NO DIFFS

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MINI QUIZ TIME! How would you keep old db schemas? CREATE_TABLE_X_r1500 List of upgrades NO CURRENT SCHEMA NO DIFFS

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MINI QUIZ TIME! How would you keep old db schemas? CREATE_TABLE_X_r1500 List of upgrades Current schema with list of downgrades NO CURRENT SCHEMA NO DIFFS

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MINI QUIZ TIME! How would you keep old db schemas? CREATE_TABLE_X_r1500 List of upgrades Current schema with list of downgrades NO DIFFS NO CURRENT SCHEMA UNINTUITIVE

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Sane(ish?) schema API private static final Schemas SCHEMA = Schemas.Builder .currentSchema(10, new TableDefinition(Tables.ADDRESSES, new AddColumn(Addresses.REGION, "TEXT"), new AddColumn(Addresses.ZIP, "TEXT"), new AddColumn(Addresses.COUNTRY, "TEXT"), new AddColumn(Addresses.CITY, "TEXT"), new AddColumn(Addresses.STREET, "TEXT ") ) ) .upgradeTo(7, clear(Tables.ADDRESSES)) .downgradeTo(4, new TableDowngrade(Tables.ADDRESSES, new DropColumn(Addresses.REGION) ) ) .downgradeTo(2, dropTable(Tables.ADDRESSES)) .build();  futuresimple/android-schema-utils

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Look ma, no boilerplate! @Override public void onCreate(SQLiteDatabase db) { Schema currentSchema = SCHEMAS.getCurrentSchema(); for (String table : currentSchema.getTables()) { db.execSQL(currentSchema.getCreateTableStatement(table)); } } public void onUpgrade(final SQLiteDatabase db, int oldVersion, int newVersion) { SCHEMAS.upgrade(oldVersion, mContext, db); }  futuresimple/android-schema-utils

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UI + Services ContentProvider Database MIGRATIONS BOILERPLATE

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Obvious index is obvious db.execSQL("CREATE TABLE " + Tables.RAW_CONTACTS + " (" + // ... RawContacts.CONTACT_ID + " INTEGER REFERENCES contacts(_id)," + // ... ");"); db.execSQL("CREATE INDEX raw_contacts_contact_id_index ON " + Tables.RAW_CONTACTS + " (" + RawContacts.CONTACT_ID + ");");

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“This would be easy if we knew the relations between our models...”

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Thneed public static final ModelGraph MODEL_GRAPH = ModelGraph .of(ModelInterface.class) .identifiedByDefault().by(ModelColumns.ID) .where() .the(CONTACT).references(USER).by(Contacts.USER_ID) .the(CONTACT).groupsOther().by(Contacts.CONTACT_ID) .the(DEAL).references(CONTACT).by(Deals.CONTACT_ID) .the(DEAL).references(USER).by(Deals.USER_ID)  chalup/thneed

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Thneed public static final ModelGraph MODEL_GRAPH = ModelGraph .of(ModelInterface.class) .identifiedByDefault().by(ModelColumns.ID) .where() .the(CONTACT).references(USER).by(Contacts.USER_ID) .the(CONTACT).groupsOther().by(Contacts.CONTACT_ID) .the(DEAL).references(CONTACT).by(Deals.CONTACT_ID) .the(DEAL).references(USER).by(Deals.USER_ID) public class ModelGraph { public void accept(ModelVisitor super TModel> visitor); public void accept(RelationshipVisitor super TModel> visitor); }  chalup/thneed

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 futuresimple/android-autoindexer public class AutoIndexer { public static Collection generateIndexes(ModelGraph<~> graph); public static String getCreateStatement(SqliteIndex index); } AutoIndexer

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 futuresimple/android-autoindexer public class AutoIndexer { public static Collection generateIndexes(ModelGraph<~> graph); public static String getCreateStatement(SqliteIndex index); } private static void createIndexes(SQLiteDatabase db) { FluentIterable indexes = FluentIterable .from(AutoIndexer.generateIndexes(MODEL_GRAPH)) .filter(Predicates.not(AutoIndexer.isIndexOnColumn(ModelColumns.ID))) .filter(Predicates.not(AutoIndexer.isIndexOnColumn(BaseColumns._ID))); for (SqliteIndex index : indexes) { db.execSQL(AutoIndexer.getCreateStatement(index)); } } AutoIndexer

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MINI QUIZ TIME! What are the issues related to schema generation?

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Autogenerate? Autodestruct. sqlite> select * from sqlite_master limit 10; type name tbl_name rootpage sql ---------- ---------------- ---------------- ---------- ------------------------------------------- table android_metadata android_metadata 3 CREATE TABLE android_metadata (locale TEXT) table stages stages 4 CREATE TABLE stages (_id INTEGER PRIMARY KE index sqlite_autoindex stages 5 table sqlite_sequence sqlite_sequence 6 CREATE TABLE sqlite_sequence(name,seq) table sources sources 7 CREATE TABLE sources (id INTEGER PRIMARY KE table contacts contacts 8 CREATE TABLE contacts (_id INTEGER PRIMARY index sqlite_autoindex contacts 9 table deals deals 10 CREATE TABLE deals (_id INTEGER PRIMARY KEY index sqlite_autoindex deals 11 table notes notes 12 CREATE TABLE notes (_id INTEGER PRIMARY KEY

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Autogenerate? Autodestruct. SQLiteMaster.dropIndexes(db); SQLiteMaster.dropTriggers(db); SQLiteMaster.dropViews(db); List parts = SQLiteMaster.getSQLiteSchemaParts(db); sqlite> select * from sqlite_master limit 10; type name tbl_name rootpage sql ---------- ---------------- ---------------- ---------- ------------------------------------------- table android_metadata android_metadata 3 CREATE TABLE android_metadata (locale TEXT) table stages stages 4 CREATE TABLE stages (_id INTEGER PRIMARY KE index sqlite_autoindex stages 5 table sqlite_sequence sqlite_sequence 6 CREATE TABLE sqlite_sequence(name,seq) table sources sources 7 CREATE TABLE sources (id INTEGER PRIMARY KE table contacts contacts 8 CREATE TABLE contacts (_id INTEGER PRIMARY index sqlite_autoindex contacts 9 table deals deals 10 CREATE TABLE deals (_id INTEGER PRIMARY KEY index sqlite_autoindex deals 11 table notes notes 12 CREATE TABLE notes (_id INTEGER PRIMARY KEY  futuresimple/sqlitemaster

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Autogenerate? Autodestruct. SQLiteMaster.dropIndexes(db); SQLiteMaster.dropTriggers(db); SQLiteMaster.dropViews(db); List parts = SQLiteMaster.getSQLiteSchemaParts(db); sqlite> select * from sqlite_master limit 10; type name tbl_name rootpage sql ---------- ---------------- ---------------- ---------- ------------------------------------------- table android_metadata android_metadata 3 CREATE TABLE android_metadata (locale TEXT) table stages stages 4 CREATE TABLE stages (_id INTEGER PRIMARY KE index sqlite_autoindex stages 5 table sqlite_sequence sqlite_sequence 6 CREATE TABLE sqlite_sequence(name,seq) table sources sources 7 CREATE TABLE sources (id INTEGER PRIMARY KE table contacts contacts 8 CREATE TABLE contacts (_id INTEGER PRIMARY index sqlite_autoindex contacts 9 table deals deals 10 CREATE TABLE deals (_id INTEGER PRIMARY KEY index sqlite_autoindex deals 11 table notes notes 12 CREATE TABLE notes (_id INTEGER PRIMARY KEY  futuresimple/sqlitemaster

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 futuresimple/sqlitemaster Autogenerate? Autodestruct. SQLiteMaster.dropIndexes(db); SQLiteMaster.dropTriggers(db); SQLiteMaster.dropViews(db); List parts = SQLiteMaster.getSQLiteSchemaParts(db); sqlite> select * from sqlite_master limit 10; type name tbl_name rootpage sql ---------- ---------------- ---------------- ---------- ------------------------------------------- table android_metadata android_metadata 3 CREATE TABLE android_metadata (locale TEXT) table stages stages 4 CREATE TABLE stages (_id INTEGER PRIMARY KE index sqlite_autoindex stages 5 table sqlite_sequence sqlite_sequence 6 CREATE TABLE sqlite_sequence(name,seq) table sources sources 7 CREATE TABLE sources (id INTEGER PRIMARY KE table contacts contacts 8 CREATE TABLE contacts (_id INTEGER PRIMARY index sqlite_autoindex contacts 9 table deals deals 10 CREATE TABLE deals (_id INTEGER PRIMARY KEY index sqlite_autoindex deals 11 table notes notes 12 CREATE TABLE notes (_id INTEGER PRIMARY KEY

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Forger forger; Upload upload = forger .iNeed(Upload.class) .with(Uploads.IS_CACHED, true) .in(mContentResolver); Byproduct: Forger  futuresimple/forger

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Forger forger; Upload upload = forger .iNeed(Upload.class) .with(Uploads.IS_CACHED, true) .in(mContentResolver); Attachment attachment = forger .iNeed(Attachment.class) .relatedTo(upload) .in(mContentResolver); Byproduct: Forger  futuresimple/forger

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Forger forger; Attachment attachment = forger .iNeed(Attachment.class) // .relatedTo(upload) .in(mContentResolver); Byproduct: Forger  futuresimple/forger

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Forger forger; Upload upload = forger .iNeed(Upload.class) .with(Uploads.IS_CACHED, true) .in(mContentResolver); Attachment attachment = forger .iNeed(Attachment.class) .relatedTo(upload) .in(mContentResolver); Byproduct: Forger  futuresimple/forger

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Forger forger = FORGER .inContextOf(User.class).in(mContentResolver); Upload upload = forger .iNeed(Upload.class) .with(Uploads.IS_CACHED, true) .in(mContentResolver); Attachment attachment = forger .iNeed(Attachment.class) .relatedTo(upload) .in(mContentResolver); Byproduct: Forger  futuresimple/forger

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 futuresimple/forger @Test public void shouldNotifyAboutReadyShareRequest() throws Exception { FORGER .inContextOf(User.class).in(mContentResolver) .inContextOf(Contact.class).in(mContentResolver) .inContextOf(Upload.class).in(mContentResolver) .inContextOf(Attachment.class).in(mContentResolver) .inContextOf(ShareDocumentRequest.class).in(mContentResolver) .iNeed(ShareDocumentList.class).in(mContentResolver); testSubject.notifyReadyShareRequests(); verify(mNotificationManager).notify(anyInt(), any(Notification.class)); } Byproduct: Forger

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UI + Services ContentProvider Database BOILERPLATE

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Work in progress! AutoProvider Uri matching/building, CRUD basic implementation... ...or something completely replacing ContentProvider

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Work in progress! AutoProvider Uri matching/building, CRUD basic implementation... ...or something completely replacing ContentProvider

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Work in progress! AutoProvider TableJoiner Uri matching/building, CRUD basic implementation... ...or something completely replacing ContentProvider The SQLite helper to end all SQLite helpers!

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Work in progress! AutoProvider TableJoiner Cerberus Uri matching/building, CRUD basic implementation... ...or something completely replacing ContentProvider The SQLite helper to end all SQLite helpers! Attaches itself to database and executes EXPLAIN QUERY PLAN for each query.

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?

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No content

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Thanks.