MainActivity.java

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) {
        Toast.makeText(getApplicationContext(),"Word Saved ..",Toast.LENGTH_LONG).show();
      } else {
        Toast.makeText(getApplicationContext(),"there is a Problem, Not saved ..",Toast.LENGTH_LONG).show();
      }
  }