barmgeat

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;


public class TransitionThemeActivity extends AppCompatActivity implements View.OnClickListener {

barmgeat

package com.example.AppName.new_package_name;

import android.provider.BaseColumns;

public final class ContractClass {

    // content Uri 
    public static final String CONTENT_AUTHORITY = "com.example.android.AppName";
    public static final Uri BASE_CONTENT_URI = Uri.parse("content://" + CONTENT_AUTHORITY);
    public static final String PATH_WORDS = "words";

barmgeat

public class HelperClass extends SQLiteOpenHelper {
    

    //Name of the database
    private static final String DATABASE_NAME = "DBName.db";

    //DB Version
    private static final int DATABASE_VERSION = 1;

    

barmgeat

public class MainActivity extends AppCompatActivity {

  private HelperClass mHelper;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);

      mHelper = new HelperClass(this);

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public class AppProvider extends ContentProvider {
    
    private HelperClass mDbHelper;
    
    @Override
    public boolean onCreate() {
        mDbHelper = new HelperClass(getContext());
        return true;
    }

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<provider
android:authorities="com.example.android.AppName"
android:name=".Data.AppProvider"
android:exported="false" />

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public class AppProvider extends ContentProvider {
    
    private static final UriMatcher uriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
  
     static {
        /*
         * The calls to addURI() go here, for all of the content URI patterns that the provider
         * should recognize. For this snippet, only the calls for table 3 are shown.
         */

barmgeat

...
  public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
    String sortOrder) {
        // Get readable database
        SQLiteDatabase database = mDbHelper.getReadableDatabase();

        // This cursor will hold the result of the query
        Cursor cursor=null;

        // Figure out if the URI matcher can match the URI to a specific code

barmgeat

  ...

@Nullable
    @Override
    public Uri insert(@NonNull Uri uri, @Nullable ContentValues contentValues) {
        final int match = uriMatcher.match(uri);
        switch (match){
            case WORDS_CODE :
                return insertData(uri, contentValues);
            default:

barmgeat

public void insertData() {
      ContentValues values = new ContentValues();
      values.put(Words.COLUMN_WORD, "Test Word");
      values.put(Words.COLUMN_WORD_T, "Test T Word");
      values.put(Words.COLUMN_WORD_T2, "Test T2 Word");
      values.put(Words.COLUMN_WORD_T3, "Test T3 Word");
      values.put(Words.COLUMN_ARTIKEL, Words.ARTIKEL_UNKNOWN);

      Uri newURI = getContentResolver().insert(DeutchVContract.CONTENT_URI, values);
      if (newURI != null) {