android数据库 Realm

1、引入Realm到工程

buildscript { repositories { jcenter() } dependencies { classpath "io.realm:realm-gradle-plugin:1.0.0" } }

apply plugin: 'realm-android'2、配置//配置数据库 RealmConfiguration config = null; try { config = new RealmConfiguration.Builder(this) .name("myrealm") .schemaVersion(getPackageManager().getPackageInfo(this.getPackageName(), 0).versionCode) .migration(new MyMigration()) .deleteRealmIfMigrationNeeded() .build(); } catch (Exception e) { e.printStackTrace(); } Realm.setDefaultConfiguration(config);3、插入操作package com.yueniu.myrealm; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import com.yueniu.myrealm.model.TestUser; import io.realm.Realm; import io.realm.RealmChangeListener; import io.realm.RealmQuery; import io.realm.RealmResults; public class MainActivity extends AppCompatActivity implements RealmChangeListener<Realm> { private Realm myRealm; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); myRealm = Realm.getDefaultInstance(); myRealm.addChangeListener(this); } @Override public void onChange(Realm element) { RealmQuery<TestUser> query = element.where(TestUser.class); RealmResults<TestUser> results = query.findAll(); element.beginTransaction(); TestUser testUser = new TestUser(); testUser = element.createObject(TestUser.class); testUser.setUserAddress("www"); element.commitTransaction(); } }