Claire Lee - Cursor adapters lab + Bonus 1, 2

starter-code/ShoppingListVer2/app/src/main/java/ly/generalassemb/drewmahrt/shoppinglistver2/MainActivity.java

@@ -2,17 +2,26 @@
 
 import android.content.Context;
 import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.AdapterView;
 import android.widget.CursorAdapter;
 import android.widget.ListView;
 import android.widget.SimpleCursorAdapter;
+import android.widget.TextView;
 
 import ly.generalassemb.drewmahrt.shoppinglistver2.setup.DBAssetHelper;
+import ly.generalassemb.drewmahrt.shoppinglistver2.setup.ShoppingSQLiteOpenHelper;
 
 public class MainActivity extends AppCompatActivity {
+
+    ShoppingSQLiteOpenHelper helper;
+    Cursor cursor;
+    SimpleCursorAdapter simpleCursorAdapter;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -22,5 +31,29 @@ protected void onCreate(Bundle savedInstanceState) {
         DBAssetHelper dbSetup = new DBAssetHelper(MainActivity.this);
         dbSetup.getReadableDatabase();
 
+        helper = new ShoppingSQLiteOpenHelper(MainActivity.this);
+        cursor = helper.getShoppingList();
+
+
+        String[] colomnNames = ShoppingSQLiteOpenHelper.COLUMN_NAMES;
+        //String[] colomnNames = new String[]{ShoppingSQLiteOpenHelper.ITEM_NAME};
+
+        int[] layoutIds = new int[]{ R.id.item_id_textview, R.id.item_name_textview, R.id.item_description_textview, R.id.item_price_textview, R.id.item_type_textview};
+
+        simpleCursorAdapter = new SimpleCursorAdapter(MainActivity.this, R.layout.shopping_list_item, cursor, colomnNames, layoutIds, 0);
+
+        ListView listView = (ListView)findViewById(R.id.shopping_list_view);
+        listView.setAdapter(simpleCursorAdapter);
+
+        listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
+            @Override
+            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
+
+                helper.deleteRow(position);
+                simpleCursorAdapter.swapCursor(helper.getShoppingList());
+                return true;
+            }
+        });
+
     }
 }

starter-code/ShoppingListVer2/app/src/main/java/ly/generalassemb/drewmahrt/shoppinglistver2/setup/ShoppingSQLiteOpenHelper.java

@@ -0,0 +1,82 @@
+package ly.generalassemb.drewmahrt.shoppinglistver2.setup;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+/**
+ * Created by Wasabi on 2/2/2016.
+ */
+public class ShoppingSQLiteOpenHelper extends SQLiteOpenHelper {
+
+    private static final int DATABASE_VERSION = 7;
+    public static final String DATABASE_NAME = "SHOPPING_DB";
+    public static final String TABLE_NAME = "SHOPPING_LIST";
+
+    public static final String ITEM_ID = "_id";
+    public static final String ITEM_NAME = "ITEM_NAME";
+    public static final String ITEM_DESCRIPTION = "DESCRIPTION";
+    public static final String ITEM_PRICE = "PRICE";
+    public static final String ITEM_TYPE = "TYPE";
+
+    public static final String[] COLUMN_NAMES = new String[]{ITEM_ID, ITEM_NAME, ITEM_DESCRIPTION, ITEM_PRICE, ITEM_TYPE};
+
+
+    public ShoppingSQLiteOpenHelper(Context context) {
+        super(context, DATABASE_NAME, null, DATABASE_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL("CREATE TABLE " + TABLE_NAME +
+                "(" +
+                ITEM_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " +
+                ITEM_NAME + " TEXT, " +
+                ITEM_DESCRIPTION + " TEXT, " +
+                ITEM_PRICE + " TEXT, " +
+                ITEM_TYPE + " TEXT)");
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        db.execSQL("DROP TABLE IF EXISTS "+TABLE_NAME);
+        this.onCreate(db);
+    }
+
+    public Cursor getShoppingList(){
+
+        SQLiteDatabase db = this.getReadableDatabase();
+
+        Cursor cursor = db.query(TABLE_NAME,
+                COLUMN_NAMES,
+                null,
+                null,
+                null,
+                null,
+                null,
+                null);
+        return cursor;
+    }
+
+    public void deleteRow(int position){
+        SQLiteDatabase db = this.getWritableDatabase();
+        Cursor cursor = db.query(TABLE_NAME,
+                COLUMN_NAMES,
+                null,
+                null,
+                null,
+                null,
+                null,
+                null);
+
+        cursor.moveToPosition(position);
+        int idToDelete = cursor.getInt(cursor.getColumnIndex(ITEM_ID));
+
+        String selection = ITEM_ID + " = ?";
+        String[] itemIds = new String[]{ String.valueOf(idToDelete) };
+
+        db.delete(TABLE_NAME, selection, itemIds);
+
+    }
+}

starter-code/ShoppingListVer2/app/src/main/res/layout/shopping_list_item.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/item_id_textview"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="8sp"/>
+
+    <TextView
+        android:id="@+id/item_name_textview"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textStyle="bold"/>
+
+    <TextView
+        android:id="@+id/item_description_textview"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="12sp"/>
+
+    <TextView
+        android:id="@+id/item_price_textview"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="12sp"/>
+
+    <TextView
+        android:id="@+id/item_type_textview"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="12sp"/>
+
+</LinearLayout>