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geekanamikageekanamika
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room library added for SQLite (#13)
1 parent 0fd7b7e commit 75e5536

9 files changed

Lines changed: 227 additions & 11 deletions

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‎app/build.gradle‎

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@@ -28,7 +28,11 @@ dependencies {
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androidTestImplementation 'com.android.support.test:runner:1.0.1'
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androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
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//Room dependencies
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implementation 'android.arch.persistence.room:runtime:1.0.0'
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annotationProcessor 'android.arch.persistence.room:compiler:1.0.0'
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// butter knife
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compile 'com.jakewharton:butterknife:8.8.1'
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implementation 'com.jakewharton:butterknife:8.8.1'
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annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
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}

‎app/src/main/java/com/example/androidtechies/majorproject/HomeScreen.java‎

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@@ -6,12 +6,16 @@
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import android.view.View;
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import android.widget.Button;
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import com.example.androidtechies.majorproject.RoomSample.AppDatabase;
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import com.example.androidtechies.majorproject.RoomSample.DatabaseInitializer;
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public class HomeScreen extends AppCompatActivity {
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public static final String HomeScreenTag = "HomeScreen";
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public static final Integer cseValue = 0;
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public static final Integer it = 0;
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public static final Integer ece = 0;
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public static final Integer eee = 0;
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AppDatabase appDatabase;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
@@ -24,12 +28,17 @@ protected void onCreate(Bundle savedInstanceState) {
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cse.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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Intent cseIntent = new Intent(HomeScreen.this, ListPage.class);
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cseIntent.putExtra(HomeScreenTag, cseValue);
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startActivity(cseIntent);
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// Intent cseIntent = new Intent(HomeScreen.this, ListPage.class);
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// cseIntent.putExtra(HomeScreenTag, cseValue);
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// startActivity(cseIntent);
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populateDatabase();
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}
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});
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// ece.setOnClickListener(new View.OnClickListener() {
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// @Override
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// public void onClick(View view) {
@@ -55,5 +64,9 @@ public void onClick(View view) {
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// }
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// });
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}
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private void populateDatabase() {
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DatabaseInitializer.populateAsync(AppDatabase.getAppDatabase(this));
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}
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}
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‎app/src/main/java/com/example/androidtechies/majorproject/RoomSample/AppDatabase.java‎

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@@ -0,0 +1,33 @@
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package com.example.androidtechies.majorproject.RoomSample;
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import android.arch.persistence.room.Database;
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import android.arch.persistence.room.Room;
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import android.arch.persistence.room.RoomDatabase;
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import android.content.Context;
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@Database(entities = {Project.class}, version = 1)
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public abstract class AppDatabase extends RoomDatabase {
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private static AppDatabase INSTANCE;
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public abstract ProjectDao projectDao();
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public static AppDatabase getAppDatabase(Context context) {
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if (INSTANCE == null) {
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INSTANCE =
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Room.databaseBuilder(context.getApplicationContext(), AppDatabase.class, "user-database")
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// allow queries on the main thread.
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// Not suggested to do on real application!
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.allowMainThreadQueries()
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.build();
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}
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return INSTANCE;
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}
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public static void destroyInstance() {
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INSTANCE = null;
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}
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}

‎app/src/main/java/com/example/androidtechies/majorproject/RoomSample/DatabaseInitializer.java‎

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package com.example.androidtechies.majorproject.RoomSample;
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import android.content.Context;
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import android.os.AsyncTask;
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import android.support.annotation.NonNull;
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import android.util.Log;
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import java.util.List;
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public class DatabaseInitializer {
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private static final String TAG = DatabaseInitializer.class.getName();
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public static void populateAsync(@NonNull final AppDatabase db) {
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PopulateDbAsync task = new PopulateDbAsync(db);
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task.execute();
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}
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public static void populateSync(@NonNull final AppDatabase db) {
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populateWithTestData(db);
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}
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private static Project addProject (final AppDatabase db, Project project) {
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db.projectDao().insertAll(project);
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return project;
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}
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private static void populateWithTestData(AppDatabase db) {
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Project project = new Project();
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project.setTitleOfProject("Hinton");
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project.setIntroOfProject("Hinton is a fake news generator (video) platform that aims to create\n" +
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" awareness among the society ");
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project.setModulesOfProject("news");
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project.setProjectBranch("IT");
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project.setTechnologyUsed("Machine learning");
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addProject(db, project);
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List<Project> projectsList = db.projectDao().getAll();
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int count = db.projectDao().countProjects();
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// Log.d(DatabaseInitializer.TAG,);
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Log.d(DatabaseInitializer.TAG, "Branch name: " + projectsList.get(0).getProjectBranch()+ "\nNumber of rows: "+count);
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}
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private static class PopulateDbAsync extends AsyncTask<Void, Void, Void> {
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private final AppDatabase mDb;
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PopulateDbAsync(AppDatabase db) {
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mDb = db;
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}
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@Override
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protected Void doInBackground(final Void... params) {
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populateWithTestData(mDb);
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return null;
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}
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}
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}

‎app/src/main/java/com/example/androidtechies/majorproject/RoomSample/Project.java‎

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package com.example.androidtechies.majorproject.RoomSample;
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import android.arch.persistence.room.ColumnInfo;
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import android.arch.persistence.room.Entity;
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import android.arch.persistence.room.PrimaryKey;
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@Entity(tableName = "project_table")
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public class Project {
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@PrimaryKey(autoGenerate = true)
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private int id;
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@ColumnInfo(name = "branch")
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private String projectBranch;
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@ColumnInfo(name = "title_project")
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private String titleOfProject;
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@ColumnInfo(name = "intro_project")
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private String introOfProject;
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@ColumnInfo(name = "technology_used")
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private String technologyUsed;
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@ColumnInfo(name = "modules")
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private String modulesOfProject;
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public int getId() {
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return id;
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}
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public void setId(int id) {
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this.id = id;
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}
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public String getProjectBranch() {
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return projectBranch;
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}
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public void setProjectBranch(String projectBranch) {
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this.projectBranch = projectBranch;
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}
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public String getTitleOfProject() {
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return titleOfProject;
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}
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public void setTitleOfProject(String titleOfProject) {
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this.titleOfProject = titleOfProject;
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}
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public String getIntroOfProject() {
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return introOfProject;
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}
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public void setIntroOfProject(String introOfProject) {
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this.introOfProject = introOfProject;
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}
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public String getTechnologyUsed() {
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return technologyUsed;
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}
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public void setTechnologyUsed(String technologyUsed) {
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this.technologyUsed = technologyUsed;
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}
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public String getModulesOfProject() {
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return modulesOfProject;
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}
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public void setModulesOfProject(String modulesOfProject) {
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this.modulesOfProject = modulesOfProject;
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}
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}

‎app/src/main/java/com/example/androidtechies/majorproject/RoomSample/ProjectDao.java‎

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package com.example.androidtechies.majorproject.RoomSample;
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import android.arch.persistence.room.Dao;
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import android.arch.persistence.room.Delete;
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import android.arch.persistence.room.Insert;
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import android.arch.persistence.room.Query;
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import java.util.List;
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@Dao
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public interface ProjectDao {
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@Query("SELECT * FROM project_table")
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List<Project> getAll();
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@Query("SELECT COUNT(*) from project_table")
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int countProjects();
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@Insert
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void insertAll(Project... users);
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@Delete
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void delete(Project user);
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}

‎app/src/main/res/values/colors.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<color name="colorPrimary">#9E9E9E</color>
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<color name="colorPrimaryDark">#616161</color>
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<color name="colorAccent">#FF4081</color>
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<color name="colorPrimary">#673AB7</color>
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<color name="colorPrimaryDark">#512DA8</color>
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<color name="colorAccent">#607D8B</color>
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<color name="black">#000000</color>
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<color name="primary_text">#212121</color>
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<color name="secondary_text">#757575</color>
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<color name="icons">#FFFFFF</color>
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<color name="divider">#BDBDBD</color>
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</resources>

‎build.gradle‎

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@@ -7,7 +7,7 @@ buildscript {
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jcenter()
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}
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dependencies {
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classpath 'com.android.tools.build:gradle:3.0.1'
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classpath 'com.android.tools.build:gradle:3.1.0'
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// NOTE: Do not place your application dependencies here; they belong

‎gradle/wrapper/gradle-wrapper.properties‎

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#Tue Mar 13 13:19:59 IST 2018
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#Tue Mar 27 20:08:43 IST 2018
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distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
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distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

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