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update usage docs and improve sample
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‎README.md‎

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}
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```
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## Usage
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```java
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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import android.widget.ListView;
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import com.github.lykmapipo.sqlbrite.migrations.SQLBriteOpenHelper;
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import com.squareup.sqlbrite.BriteDatabase;
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import rx.Subscription;
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import rx.android.schedulers.AndroidSchedulers;
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import rx.schedulers.Schedulers;
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public class MainActivity extends AppCompatActivity {
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private BriteDatabase database;
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private BriteAdapter adapter;
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private Subscription subscription;
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private ListView listView;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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database = SQLBriteOpenHelper.get(getApplicationContext(), "brite", 1);
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adapter = new BriteAdapter(getApplicationContext());
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listView = (ListView) findViewById(R.id.list);
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listView.setAdapter(adapter);
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}
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@Override
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protected void onResume() {
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super.onResume();
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subscription = database.createQuery("brites", "SELECT * FROM brites")
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.mapToList(Brite.MAPPER)
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.subscribeOn(Schedulers.io())
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(adapter);
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}
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@Override
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protected void onPause() {
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super.onPause();
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subscription.unsubscribe();
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}
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}
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```
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## Migrations
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All migrations must be named after database version. So if you start a new project your first migration will be `1.yaml`.
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When upgrading to new version the the migration file must have the name corresponding to the new database version i.e

‎app/build.gradle‎

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defaultConfig {
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applicationId "com.github.lykmapipo.sqlbrite.migrations.sample"
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minSdkVersion 15
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minSdkVersion 14
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targetSdkVersion 25
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versionCode 1
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versionName "1.0"

‎app/src/main/AndroidManifest.xml‎

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package="com.github.lykmapipo.sqlbrite.migrations.sample">
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<application
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android:name=".SampleApp"
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:supportsRtl="true"
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android:theme="@style/AppTheme">
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<activity android:name=".ui.MainActivity">
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN"/>
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‎app/src/main/assets/migrations/1.yaml‎

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up:
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- CREATE TABLE IF NOT EXISTS brites (_id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, name TEXT)
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seeds:
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- INSERT INTO brites (name) values("Test Debug 1")
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- INSERT INTO brites (name) values("Test Debug 2")
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- INSERT INTO brites (name) values("Test Debug 3")
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- INSERT INTO brites (name) values("Test Debug 4")
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down:
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- DROP TABLE brites

‎app/src/main/java/com/github/lykmapipo/sqlbrite/migrations/sample/Brite.java‎

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package com.github.lykmapipo.sqlbrite.migrations.sample;
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import android.database.Cursor;
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import rx.functions.Func1;
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/**
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* Created by lally on 3/18/17.
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*/
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public class Brite {
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static final Func1<Cursor, Brite> MAPPER = new Func1<Cursor, Brite>() {
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@Override public Brite call(Cursor cursor) {
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return new Brite(
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cursor.getLong(cursor.getColumnIndexOrThrow("_id")),
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cursor.getString(cursor.getColumnIndexOrThrow("name"))
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);
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}
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};
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private Long id;
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private String name;
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public Brite(String name) {
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this.name = name;
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}
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public Brite(Long id, String name) {
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this.id = id;
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this.name = name;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public Long getId() {
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return id;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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Brite brite = (Brite) o;
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if (id != null ? !id.equals(brite.id) : brite.id != null) return false;
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return name != null ? name.equals(brite.name) : brite.name == null;
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}
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@Override
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public int hashCode() {
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int result = id != null ? id.hashCode() : 0;
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result = 31 * result + (name != null ? name.hashCode() : 0);
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return result;
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}
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@Override
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public String toString() {
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return "Brite{" +
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"id=" + id +
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", name='" + name + '\'' +
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'}';
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}
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}

‎app/src/main/java/com/github/lykmapipo/sqlbrite/migrations/sample/BriteAdapter.java‎

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package com.github.lykmapipo.sqlbrite.migrations.sample;
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import android.content.Context;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.BaseAdapter;
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import android.widget.TextView;
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import rx.functions.Action1;
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import java.util.Collections;
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import java.util.List;
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/**
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* Created by lally on 3/19/17.
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*/
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public class BriteAdapter extends BaseAdapter implements Action1<List<Brite>>{
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private final LayoutInflater inflater;
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private List<Brite> items = Collections.emptyList();
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public BriteAdapter(Context context) {
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this.inflater = LayoutInflater.from(context);
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}
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@Override
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public void call(List<Brite> items) {
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this.items = items;
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notifyDataSetChanged();
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}
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@Override
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public int getCount() {
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return items.size();
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}
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@Override
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public Brite getItem(int position) {
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return items.get(position);
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}
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@Override
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public long getItemId(int position) {
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return getItem(position).getId();
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}
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@Override
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public boolean hasStableIds() {
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return true;
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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if (convertView == null) {
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convertView = inflater.inflate(android.R.layout.simple_list_item_1, parent, false);
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}
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Brite item = getItem(position);
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TextView convertView1 = (TextView) convertView;
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convertView1.setText(item.getName() + " (" + position + ")");
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convertView1.setTextColor(R.color.colorBlack);
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return convertView;
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}
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}

‎app/src/main/java/com/github/lykmapipo/sqlbrite/migrations/sample/MainActivity.java‎

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package com.github.lykmapipo.sqlbrite.migrations.sample;
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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import android.widget.ListView;
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import com.github.lykmapipo.sqlbrite.migrations.SQLBriteOpenHelper;
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import com.squareup.sqlbrite.BriteDatabase;
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import rx.Subscription;
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import rx.android.schedulers.AndroidSchedulers;
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import rx.schedulers.Schedulers;
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public class MainActivity extends AppCompatActivity {
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private BriteDatabase database;
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private BriteAdapter adapter;
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private Subscription subscription;
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private ListView listView;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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database = SQLBriteOpenHelper.get(getApplicationContext(), "brite", 1);
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adapter = new BriteAdapter(getApplicationContext());
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listView = (ListView) findViewById(R.id.list);
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listView.setAdapter(adapter);
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}
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@Override
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protected void onResume() {
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super.onResume();
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subscription = database.createQuery("brites", "SELECT * FROM brites")
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.mapToList(Brite.MAPPER)
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.subscribeOn(Schedulers.io())
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(adapter);
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}
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@Override
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protected void onPause() {
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super.onPause();
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subscription.unsubscribe();
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}
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}

‎app/src/main/res/layout/activity_main.xml‎

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android:paddingRight="@dimen/activity_horizontal_margin"
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android:paddingTop="@dimen/activity_vertical_margin">
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Hello World!" android:id="@+id/textView"/>
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<Button
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android:text="Sync Device"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content" android:layout_below="@+id/textView"
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android:layout_centerHorizontal="true" android:layout_marginTop="187dp" android:id="@+id/sync"/>
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<ListView
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android:id="@+id/list"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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/>
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</RelativeLayout>

‎app/src/main/res/values/colors.xml‎

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<color name="colorPrimary">#3F51B5</color>
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<color name="colorPrimaryDark">#303F9F</color>
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<color name="colorAccent">#FF4081</color>
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<color name="colorBlack">#000000</color>
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</resources>

‎app/src/main/res/values/strings.xml‎

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<resources>
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<string name="app_name">Push</string>
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<string name="app_name">SQLBrite - Migrations</string>
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</resources>

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