Adi - cursor-adapters-lab

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

@@ -4,15 +4,20 @@
 import android.database.Cursor;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.view.LayoutInflater;
 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.DBSQLiteOpenHelper;
 
 public class MainActivity extends AppCompatActivity {
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -22,5 +27,40 @@ protected void onCreate(Bundle savedInstanceState) {
         DBAssetHelper dbSetup = new DBAssetHelper(MainActivity.this);
         dbSetup.getReadableDatabase();
 
+        DBSQLiteOpenHelper helper = new DBSQLiteOpenHelper(MainActivity.this);
+        Cursor cursor = helper.getExampleList();
+
+        CursorAdapter cursorAdapter = new CursorAdapter(MainActivity.this, cursor, 0) {
+            @Override
+            public View newView(Context context, Cursor cursor, ViewGroup parent) {
+                return LayoutInflater.from(context).inflate(R.layout.shopping_list, parent, false);
+            }
+
+            @Override
+            public void bindView(View view, Context context, Cursor cursor) {
+
+                TextView textViewItemName = (TextView) view.findViewById(R.id.textViewItemName);
+                TextView textViewItemPrice = (TextView) view.findViewById(R.id.textViewItemPrice);
+
+                String itemName = cursor.getString(cursor.getColumnIndex(DBSQLiteOpenHelper.COL_ITEM_NAME));
+                String itemPrice = cursor.getString(cursor.getColumnIndex(DBSQLiteOpenHelper.COL_PRICE));
+
+                textViewItemName.setText(itemName);
+                textViewItemPrice.setText("$ " +itemPrice);
+
+            }
+        };
+
+        ListView listView = (ListView) findViewById(R.id.shopping_list_view);
+        listView.setAdapter(cursorAdapter);
+
+        /*AdapterView.OnLongClickListener longClickListener = new AdapterView.OnItemLongClickListener() {
+            @Override
+            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
+                String removeItem = ((TextView)view.findViewById(R.id.textViewItemName)).getText().toString();
+                return true;
+            }
+        }*/
+
     }
 }

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

@@ -0,0 +1,73 @@
+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 asagir on 2/2/16.
+ */
+public class DBSQLiteOpenHelper extends SQLiteOpenHelper {
+    private static final String TAG = DBSQLiteOpenHelper.class.getCanonicalName();
+
+    private static final int DATABASE_VERSION = 7;
+    public static final String DATABASE_NAME = "SHOPPING_DB";
+    public static final String SHOPPING_LIST_TABLE_NAME = "SHOPPING_LIST";
+
+    public static final String COL_ID = "_id";
+    public static final String COL_ITEM_NAME = "ITEM_NAME";
+    public static final String COL_ITEM_DESCRIPTION = "DESCRIPTION";
+    public static final String COL_PRICE = "PRICE";
+    public static final String COL_TYPE = "TYPE";
+
+
+    public static final String[] SHOPPING_COLUMNS = {COL_ID, COL_ITEM_NAME, COL_ITEM_DESCRIPTION, COL_PRICE, COL_TYPE};
+
+    private static final String CREATE_SHOPPING_LIST_TABLE =
+            "CREATE TABLE " + COL_ITEM_NAME +
+                    "(" +
+                    COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " +
+                    COL_ITEM_NAME + " TEXT, " +
+                    COL_ITEM_DESCRIPTION + " TEXT, "
+                    + COL_PRICE + " TEXT, " + COL_TYPE + " TEXT  )";
+
+
+    public DBSQLiteOpenHelper(Context context) {
+        super(context, DATABASE_NAME, null, DATABASE_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL(CREATE_SHOPPING_LIST_TABLE);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        db.execSQL("DROP TABLE IF EXISTS " + SHOPPING_LIST_TABLE_NAME);
+        this.onCreate(db);
+    }
+
+    public Cursor getExampleList() {
+
+        SQLiteDatabase db = this.getReadableDatabase();
+
+        Cursor cursor = db.query(SHOPPING_LIST_TABLE_NAME, // a. table
+                SHOPPING_COLUMNS, // b. column names
+                null, // c. selections
+                null, // d. selections args
+                null, // e. group by
+                null, // f. having
+                null, // g. order by
+                null); // h. limit
+        return cursor;
+    }
+
+    /*public void removeItem(String name){
+        String selection = "ITEM_NAME= ?";
+        String[] selectionArgs = { name };
+        SQLiteDatabase db = this.getWritableDatabase();
+        db.delete("SHOPPING_LIST", selection, selectionArgs);
+    }*/
+}
+

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

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/textViewItemName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="15sp"
+        android:textStyle="bold"/>
+
+    <TextView
+        android:id="@+id/textViewItemPrice"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="15sp" />
+
+</LinearLayout>