WDG/Vokabel-Trainer
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Added further Database integration

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peet 2020-11-30 15:44:31 +01:00
parent 4924a384a2
commit 2d8df647cf
3 changed files with 43 additions and 1 deletions
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26
app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/DataHandler.java
View File

@ -2,13 +2,19 @@ package org.ddnss.sfs.git.wdg.vokabel_trainer;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import androidx.annotation.Nullable;
public class DataHandler {
public static final String DATABASENAME = "vocabDB";
public static final int DATABASE_VERSION = 1;
public static final String TABLE_NAME = "vocabTable";
public static final String DEUTSCH = "deutsch";
public static final String GERMAN = "german";
public static final String ENGLISH = "english";
private Context ctx;
@ -35,4 +41,22 @@ public class DataHandler {
public void addEntry(String voc1, String voc2){
db.execSQL("insert into vocabTable (deutsch, english) values ('vocab1', 'vocab2')");
}
private static class DataBaseHelper extends SQLiteOpenHelper {
public DataBaseHelper(@Nullable Context context, @Nullable String name, @Nullable SQLiteDatabase.CursorFactory factory, int version) {
super(context, DATABASENAME, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
String command = "create table if not exists vocTable(german text not null, englisch text not null);";
db.execSQL(command);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}
}

7
app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/MainActivity.java → app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/ui/MainActivity.java
View File

@ -13,6 +13,8 @@ import androidx.navigation.ui.NavigationUI;
public class MainActivity extends AppCompatActivity {
private DataHandler dbHandler;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@ -26,5 +28,10 @@ public class MainActivity extends AppCompatActivity {
NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
NavigationUI.setupWithNavController(navView, navController);
dbHandler = new DataHandler(this);
}
public void addEntry(){
}
}

11
app/src/main/res/layout/fragment_notifications.xml
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@ -36,4 +36,15 @@
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.186" />
<Button
android:id="@+id/addEntry"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="161dp"
android:layout_marginTop="388dp"
android:text="Einfügen"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
/>
</androidx.constraintlayout.widget.ConstraintLayout>