Mvp with sqlite

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/AndroidManifest.xml

@@ -16,8 +16,8 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".ListPage" />
-        <activity android:name=".HomeScreen" />
+        <activity android:name=".ListProjects.ListProjectActivity" />
+        <activity android:name=".BranchPage.HomeScreenActivity" />
         <activity android:name=".DescriptionActivity"></activity>
     </application>
 

app/src/main/java/com/example/androidtechies/majorproject/BranchPage/HomeContract.java

@@ -0,0 +1,19 @@
+package com.example.androidtechies.majorproject.BranchPage;
+
+
+import com.example.androidtechies.majorproject.Data.ProjectModel;
+
+import java.util.List;
+
+public interface HomeContract {
+
+    interface IHomePresenter {
+        void openNewActivity(String branch);
+        void insertData(List<ProjectModel> projects);
+        void deleteAllData();
+    }
+
+    interface IHomeView {
+        void showNewActivity(String branch);
+    }
+}

app/src/main/java/com/example/androidtechies/majorproject/BranchPage/HomePresenter.java

@@ -0,0 +1,42 @@
+package com.example.androidtechies.majorproject.BranchPage;
+
+import com.example.androidtechies.majorproject.Data.DataManager;
+import com.example.androidtechies.majorproject.Data.ProjectModel;
+
+import java.util.List;
+
+public class HomePresenter implements HomeContract.IHomePresenter{
+
+    private final DataManager manager;
+    private HomeContract.IHomeView view;
+
+    public HomePresenter(HomeContract.IHomeView view, DataManager dataSource) {
+        this.view = view;
+        this.manager =dataSource;
+    }
+
+    /*
+    Called on any of the four button clicks , receives branch value & passes it to view function
+     */
+    @Override
+    public void openNewActivity(String branchValue) {
+        view.showNewActivity(branchValue);
+
+    }
+
+    /*
+    Inserts value into sqlite database, interacts with Datamanger only
+     */
+    @Override
+    public void insertData(List<ProjectModel> projects) {
+        manager.saveProject(projects);
+    }
+
+    /*
+    Currently, only logs , not implemented yet
+     */
+    @Override
+    public void deleteAllData() {
+        manager.nukeTable();
+    }
+}

app/src/main/java/com/example/androidtechies/majorproject/BranchPage/HomeScreenActivity.java

@@ -0,0 +1,107 @@
+package com.example.androidtechies.majorproject.BranchPage;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+
+import com.example.androidtechies.majorproject.Data.DataManager;
+import com.example.androidtechies.majorproject.Data.ProjectModel;
+import com.example.androidtechies.majorproject.ListProjects.ListProjectActivity;
+import com.example.androidtechies.majorproject.R;
+import com.example.androidtechies.majorproject.Utils.InjectionClass;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+public class HomeScreenActivity extends AppCompatActivity implements View.OnClickListener,HomeContract.IHomeView{
+    public static final String HomeScreenTag = "HomeScreenActivity";
+
+    @BindView(R.id.cseTag)
+    Button cseButton;
+    @BindView(R.id.itTag)
+    Button itButton;
+    @BindView(R.id.eceTag)
+    Button eceButton;
+    @BindView(R.id.eeeTag)
+    Button eeeButton;
+
+    HomePresenter presenter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_home_screen);
+
+        ButterKnife.bind(this);
+        DataManager source = InjectionClass.provideDataSource(this);
+        presenter = new HomePresenter(this , source);
+
+        //checking first time app starting
+        if(source.checkFirstTime()) {
+            source.setFirstTime(false);
+            Log.d(HomeScreenTag, "first time run");
+            //populating sqlite database
+            populateDatabase();
+        }
+
+        //setting listeners on all buttons
+        cseButton.setOnClickListener(this);
+        itButton.setOnClickListener(this);
+        eceButton.setOnClickListener(this);
+        eeeButton.setOnClickListener(this);
+    }
+
+
+    /*
+    Function which takes values from string-arrays & call insert function to insert into database
+     */
+    //Todo replace team name with modules
+    private void populateDatabase() {
+        List<ProjectModel> arrayList = new ArrayList<>();
+        int lengthIt = getResources().getStringArray(R.array.project_titles_it).length;
+        ProjectModel model;
+        for(int i=0 ; i<lengthIt; i++) {
+            model = new ProjectModel(
+                    getResources().getString(R.string.it),
+                    getResources().getStringArray(R.array.project_titles_it)[i],
+                    getResources().getStringArray(R.array.project_introductions_it)[i],
+                    getResources().getStringArray(R.array.project_technology_used_it)[i],
+                    getResources().getStringArray(R.array.modules_of_project)[i]
+                    );
+            arrayList.add(model);
+        }
+        presenter.insertData(arrayList);
+    }
+
+    //Todo add more button  clicks when data is available
+
+    /*
+    Handles button click by checking IDs
+     */
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()) {
+            case R.id.cseTag : break;
+            case R.id.itTag :  presenter.openNewActivity(getString(R.string.it));
+                               break;
+            case R.id.eceTag : break;
+            case R.id.eeeTag : break;
+        }
+    }
+
+
+    @Override
+    public void showNewActivity(String branchValue) {
+        Intent intent = new Intent(this, ListProjectActivity.class);
+        intent.putExtra(HomeScreenTag, branchValue);
+        startActivity(intent);
+    }
+
+}
+

app/src/main/java/com/example/androidtechies/majorproject/Data/DataManager.java

@@ -0,0 +1,83 @@
+package com.example.androidtechies.majorproject.Data;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.support.annotation.NonNull;
+
+
+import com.example.androidtechies.majorproject.Data.db.DbSource;
+import com.example.androidtechies.majorproject.Data.pref.IPrefHelper;
+import com.example.androidtechies.majorproject.Utils.LogAndToastUtil;
+
+import java.util.List;
+
+public class DataManager implements IDataManager {
+    //tag by class name
+    private static final String TAG = DataManager.class.getName();
+
+
+    private static volatile DataManager INSTANCE;
+
+    private DbSource dbSource;
+    private IPrefHelper prefHelper;
+
+    // Prevent direct instantiation.
+    private DataManager(DbSource dbSource, IPrefHelper prefHelper) {
+        this.dbSource = dbSource;
+        this.prefHelper = prefHelper;
+    }
+
+
+    public static DataManager getInstance(@NonNull Context context, @NonNull IPrefHelper prefHelper) {
+        if (INSTANCE == null) {
+            synchronized (DataManager.class) {
+                if (INSTANCE == null) {
+                    INSTANCE = new DataManager(DbSource.getInstance(context), prefHelper);
+                }
+            }
+        }
+        return INSTANCE;
+    }
+
+
+
+    /*
+       preference Manager
+     */
+
+    @Override
+    public boolean checkFirstTime() {
+        return prefHelper.checkFirstTime();
+    }
+
+    @Override
+    public void setFirstTime(boolean value) {
+        prefHelper.setFirstTime(value);
+    }
+
+
+    /*
+       SQLite database manager
+     */
+
+    @Override
+    public Cursor getBranchProjects(@NonNull String branch) {
+        return dbSource.getBranchProjects(branch);
+    }
+
+    @Override
+    public void saveProject(@NonNull List<ProjectModel> projects) {
+        dbSource.saveProject(projects);
+    }
+
+    @Override
+    public long getCountProjects() {
+
+        return dbSource.getCountProjects();
+    }
+
+    @Override
+    public void nukeTable() {
+        LogAndToastUtil.Logging("nuke table function called!");
+    }
+}

app/src/main/java/com/example/androidtechies/majorproject/Data/IDataManager.java

@@ -0,0 +1,8 @@
+package com.example.androidtechies.majorproject.Data;
+
+import com.example.androidtechies.majorproject.Data.db.IDbSource;
+import com.example.androidtechies.majorproject.Data.pref.IPrefHelper;
+
+public interface IDataManager extends IPrefHelper, IDbSource {
+
+}

app/src/main/java/com/example/androidtechies/majorproject/Data/ProjectModel.java

@@ -0,0 +1,102 @@
+package com.example.androidtechies.majorproject.Data;
+
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+public class ProjectModel implements Parcelable {
+
+        private String projectBranch;
+        private String titleOfProject;
+        private String introOfProject;
+        private String technologyUsed;
+        private String modulesOfProject;
+
+
+        public ProjectModel(String projectBranch, String titleOfProject, String introOfProject, String technologyUsed, String modulesOfProject) {
+            this.projectBranch = projectBranch;
+            this.titleOfProject = titleOfProject;
+            this.introOfProject = introOfProject;
+            this.technologyUsed = technologyUsed;
+            this.modulesOfProject = modulesOfProject;
+        }
+
+    /*
+    Getters and Setters
+     */
+        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;
+        }
+
+    /*
+        parcellable functions
+     */
+
+        @Override
+        public int describeContents() {
+            return hashCode();
+        }
+
+        @Override
+        public void writeToParcel(Parcel parcel, int flags) {
+            parcel.writeString(titleOfProject);
+            parcel.writeString(introOfProject);
+            parcel.writeString(technologyUsed);
+            parcel.writeString(modulesOfProject);
+        }
+
+        protected ProjectModel(Parcel in) {
+            titleOfProject = in.readString();
+            introOfProject = in.readString();
+            technologyUsed = in.readString();
+            modulesOfProject = in.readString();
+        }
+
+        public static final Parcelable.Creator<ProjectModel> CREATOR = new Parcelable.Creator<ProjectModel>() {
+            @Override
+            public ProjectModel createFromParcel(Parcel in) {
+                return new ProjectModel(in);
+            }
+
+            @Override
+            public ProjectModel[] newArray(int size) {
+                return new ProjectModel[0];
+            }
+        };
+    }