room library added for SQLite (#13)

app/build.gradle

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

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

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

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

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

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

@@ -0,0 +1,61 @@
+package com.example.androidtechies.majorproject.RoomSample;
+
+import android.content.Context;
+import android.os.AsyncTask;
+import android.support.annotation.NonNull;
+import android.util.Log;
+
+import java.util.List;
+
+public class DatabaseInitializer {
+    private static final String TAG = DatabaseInitializer.class.getName();
+
+
+    public static void populateAsync(@NonNull final AppDatabase db) {
+        PopulateDbAsync task = new PopulateDbAsync(db);
+        task.execute();
+    }
+
+    public static void populateSync(@NonNull final AppDatabase db) {
+        populateWithTestData(db);
+    }
+
+    private static Project addProject (final AppDatabase db, Project project) {
+        db.projectDao().insertAll(project);
+        return project;
+    }
+
+    private static void populateWithTestData(AppDatabase db) {
+
+        Project project = new Project();
+        project.setTitleOfProject("Hinton");
+        project.setIntroOfProject("Hinton is a fake news generator (video) platform that aims to create\n" +
+                "    awareness among the society ");
+        project.setModulesOfProject("news");
+        project.setProjectBranch("IT");
+        project.setTechnologyUsed("Machine learning");
+        addProject(db, project);
+
+        List<Project> projectsList = db.projectDao().getAll();
+
+        int count = db.projectDao().countProjects();
+       // Log.d(DatabaseInitializer.TAG,);
+        Log.d(DatabaseInitializer.TAG, "Branch name: " + projectsList.get(0).getProjectBranch()+ "\nNumber of rows: "+count);
+    }
+
+    private static class PopulateDbAsync extends AsyncTask<Void, Void, Void> {
+
+        private final AppDatabase mDb;
+
+        PopulateDbAsync(AppDatabase db) {
+            mDb = db;
+        }
+
+        @Override
+        protected Void doInBackground(final Void... params) {
+            populateWithTestData(mDb);
+            return null;
+        }
+
+    }
+}

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

@@ -0,0 +1,75 @@
+package com.example.androidtechies.majorproject.RoomSample;
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.PrimaryKey;
+
+@Entity(tableName = "project_table")
+public class Project {
+
+    @PrimaryKey(autoGenerate = true)
+    private int id;
+
+    @ColumnInfo(name = "branch")
+    private String projectBranch;
+
+    @ColumnInfo(name = "title_project")
+    private String titleOfProject;
+
+    @ColumnInfo(name = "intro_project")
+    private String introOfProject;
+
+    @ColumnInfo(name = "technology_used")
+    private String technologyUsed;
+
+    @ColumnInfo(name = "modules")
+    private String modulesOfProject;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getProjectBranch() {
+        return projectBranch;
+    }
+
+    public void setProjectBranch(String projectBranch) {
+        this.projectBranch = projectBranch;
+    }
+
+    public String getTitleOfProject() {
+        return titleOfProject;
+    }
+
+    public void setTitleOfProject(String titleOfProject) {
+        this.titleOfProject = titleOfProject;
+    }
+
+    public String getIntroOfProject() {
+        return introOfProject;
+    }
+
+    public void setIntroOfProject(String introOfProject) {
+        this.introOfProject = introOfProject;
+    }
+
+    public String getTechnologyUsed() {
+        return technologyUsed;
+    }
+
+    public void setTechnologyUsed(String technologyUsed) {
+        this.technologyUsed = technologyUsed;
+    }
+
+    public String getModulesOfProject() {
+        return modulesOfProject;
+    }
+
+    public void setModulesOfProject(String modulesOfProject) {
+        this.modulesOfProject = modulesOfProject;
+    }
+}

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

@@ -0,0 +1,27 @@
+package com.example.androidtechies.majorproject.RoomSample;
+
+
+import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Delete;
+import android.arch.persistence.room.Insert;
+import android.arch.persistence.room.Query;
+
+import java.util.List;
+
+@Dao
+public interface ProjectDao {
+
+    @Query("SELECT * FROM project_table")
+    List<Project> getAll();
+
+
+    @Query("SELECT COUNT(*) from project_table")
+    int countProjects();
+
+    @Insert
+    void insertAll(Project... users);
+
+    @Delete
+    void delete(Project user);
+
+}

app/src/main/res/values/colors.xml

@@ -1,8 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">#9E9E9E</color>
-    <color name="colorPrimaryDark">#616161</color>
-    <color name="colorAccent">#FF4081</color>
+    <color name="colorPrimary">#673AB7</color>
+    <color name="colorPrimaryDark">#512DA8</color>
+    <color name="colorAccent">#607D8B</color>
     <color name="black">#000000</color>
-
+    <color name="primary_text">#212121</color>
+    <color name="secondary_text">#757575</color>
+    <color name="icons">#FFFFFF</color>
+    <color name="divider">#BDBDBD</color>
 </resources>

build.gradle

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

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Tue Mar 13 13:19:59 IST 2018
+#Tue Mar 27 20:08:43 IST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip