insert the default note in the DB at creating

app/build.gradle

@@ -33,6 +33,7 @@ dependencies {
     compile 'com.jakewharton:butterknife:8.0.1'
     compile 'com.github.yukuku:ambilwarna:2.0.1'
     compile 'com.android.support:design:23.4.0'
+    compile 'com.facebook.stetho:stetho:1.4.1'
 
     apt 'com.jakewharton:butterknife-compiler:8.0.1'
 }

app/src/main/AndroidManifest.xml

@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest
-    package="com.simplemobiletools.notes"
-    xmlns:android="http://schemas.android.com/apk/res/android">
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.simplemobiletools.notes">
 
     <application
+        android:name=".App"
         android:allowBackup="true"
         android:icon="@mipmap/launcher"
         android:label="@string/app_launcher_name"

app/src/main/java/com/simplemobiletools/notes/App.java

@@ -0,0 +1,12 @@
+package com.simplemobiletools.notes;
+
+import android.app.Application;
+
+import com.facebook.stetho.Stetho;
+
+public class App extends Application {
+    public void onCreate() {
+        super.onCreate();
+        Stetho.initializeWithDefaults(this);
+    }
+}

app/src/main/java/com/simplemobiletools/notes/activities/MainActivity.java

@@ -19,8 +19,7 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 
 public class MainActivity extends SimpleActivity {
-    @BindView(R.id.notes_view)
-    EditText mNotesView;
+    @BindView(R.id.notes_view) EditText mNotesView;
 
     private SharedPreferences mPrefs;
 

app/src/main/java/com/simplemobiletools/notes/databases/DBHelper.java

@@ -1,17 +1,26 @@
 package com.simplemobiletools.notes.databases;
 
+import android.content.ContentValues;
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 
+import com.simplemobiletools.notes.Constants;
+import com.simplemobiletools.notes.models.Note;
+
 public class DBHelper extends SQLiteOpenHelper {
     private static final String DB_NAME = "notes.db";
     private static final int DB_VERSION = 1;
     private static final String TABLE = "notes";
+    private static final String NOTE = "General note";
 
     private static final String COL_ID = "id";
     private static final String COL_NAME = "name";
-    private static final String COL_TEXT = "text";
+    private static final String COL_TEXT = "value";
+
+    private Context mContext;
+    private SQLiteDatabase mDb;
 
     public static DBHelper newInstance(Context context) {
         return new DBHelper(context);
@@ -19,20 +28,48 @@ public class DBHelper extends SQLiteOpenHelper {
 
     private DBHelper(Context context) {
         super(context, DB_NAME, null, DB_VERSION);
+        mContext = context;
+        mDb = getWritableDatabase();
     }
 
     @Override
     public void onCreate(SQLiteDatabase db) {
-        db.execSQL("CREATE TABLE " + TABLE + "(" +
+        db.execSQL("CREATE TABLE " + TABLE + " (" +
                 COL_ID + " INTEGER PRIMARY KEY, " +
                 COL_NAME + " TEXT, " +
                 COL_TEXT + " TEXT" +
                 ")"
         );
+
+        insertFirstNote(db);
     }
 
     @Override
     public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
 
     }
+
+    private void insertFirstNote(SQLiteDatabase db) {
+        final SharedPreferences prefs = mContext.getSharedPreferences(Constants.PREFS_KEY, Context.MODE_PRIVATE);
+        final String text = prefs.getString(Constants.TEXT, "");
+        final Note note = new Note(0, NOTE, text);
+        insertNote(note, db);
+    }
+
+    private void insertNote(Note note, SQLiteDatabase db) {
+        final ContentValues values = fillContentValues(note);
+        db.insert(TABLE, null, values);
+    }
+
+    public void insertNote(Note note) {
+        final ContentValues values = fillContentValues(note);
+        mDb.insert(TABLE, null, values);
+    }
+
+    private ContentValues fillContentValues(Note note) {
+        final ContentValues values = new ContentValues();
+        values.put(COL_NAME, note.getName());
+        values.put(COL_TEXT, note.getText());
+        return values;
+    }
 }