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Jackie Ho - Cursor Adapter Lab #6

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2 changes: 1 addition & 1 deletion starter-code/ShoppingListVer2/.idea/gradle.xml
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18 changes: 17 additions & 1 deletion starter-code/ShoppingListVer2/.idea/misc.xml
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64 changes: 64 additions & 0 deletions ...pp/src/main/java/ly/generalassemb/drewmahrt/shoppinglistver2/GrocerySQLiteOpenHelper.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,64 @@
package ly.generalassemb.drewmahrt.shoppinglistver2;

import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

/**
* Created by JHADI on 2/2/16.
*/


public class GrocerySQLiteOpenHelper extends SQLiteOpenHelper {
public static final int DATABASE_VERSION = 7;
public static final String DATABASE__NAME = "SHOPPING_DB";
public static final String GROCERY_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_DESCRIPTION = "DESCRIPTION";
public static final String COL_PRICE = "PRICE";
public static final String COL_TYPE = "TYPE";

public static final String[] GROCERY_COLUMNS = {COL_ID, COL_ITEM_NAME, COL_DESCRIPTION, COL_PRICE, COL_TYPE};

public GrocerySQLiteOpenHelper(Context context) {
super(context, DATABASE__NAME, null, DATABASE_VERSION);
}


@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL("CREATE TABLE " + GROCERY_TABLE_NAME + "("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_ITEM_NAME + " TEXT, "
+ COL_DESCRIPTION + " TEXT, "
+ COL_PRICE + " TEXT, "
+ COL_TYPE + " TEXT )");
}

@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
db.execSQL("DROP TABLE IF EXIST " + GROCERY_TABLE_NAME);
onCreate(db);
}

public Cursor getGroceryList(){
SQLiteDatabase db = this.getReadableDatabase();

Cursor cursor = db.query(GROCERY_TABLE_NAME, // a. table
GROCERY_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(long row){
SQLiteDatabase db = this.getWritableDatabase();
db.execSQL("DELETE FROM "+ GROCERY_TABLE_NAME+ " WHERE "+ COL_ID+" = " + (int)(row));
}
}
41 changes: 40 additions & 1 deletion ...gListVer2/app/src/main/java/ly/generalassemb/drewmahrt/shoppinglistver2/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,11 +4,13 @@
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;

Expand All @@ -22,5 +24,42 @@ protected void onCreate(Bundle savedInstanceState) {
DBAssetHelper dbSetup = new DBAssetHelper(MainActivity.this);
dbSetup.getReadableDatabase();

final GrocerySQLiteOpenHelper helper = new GrocerySQLiteOpenHelper(MainActivity.this);

final Cursor cursor = helper.getGroceryList();

final CursorAdapter cursorAdapter = new CursorAdapter(MainActivity.this, cursor, 0) {
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return LayoutInflater.from(MainActivity.this).inflate(R.layout.grocery_list_layout,parent,false);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
TextView typeTextView = (TextView)view.findViewById(R.id.item_type);
TextView nameTextView = (TextView)view.findViewById(R.id.item_name);
TextView descTextView = (TextView)view.findViewById(R.id.item_desc);
TextView priceTextView = (TextView)view.findViewById(R.id.item_price);

typeTextView.setText(cursor.getString(cursor.getColumnIndex(GrocerySQLiteOpenHelper.COL_TYPE)));
nameTextView.setText(cursor.getString(cursor.getColumnIndex(GrocerySQLiteOpenHelper.COL_ITEM_NAME)));
descTextView.setText(cursor.getString(cursor.getColumnIndex(GrocerySQLiteOpenHelper.COL_DESCRIPTION)));
priceTextView.setText(cursor.getString(cursor.getColumnIndex(GrocerySQLiteOpenHelper.COL_PRICE)));

}
};

ListView groceryListView = (ListView) findViewById(R.id.shopping_list_view);
groceryListView.setAdapter(cursorAdapter);

groceryListView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
helper.removeItem(id);
Cursor c = helper.getGroceryList();
cursorAdapter.swapCursor(c);
return true;
}
});

}
}
54 changes: 54 additions & 0 deletions starter-code/ShoppingListVer2/app/src/main/res/layout/grocery_list_layout.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,54 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">

<TextView
android:id="@+id/item_type"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:text="TYPE"
android:textStyle="bold"
android:textSize="20sp"/>

<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginLeft="20dp"
android:layout_gravity="center_horizontal">

<TextView
android:id="@+id/item_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="2"
android:text="ITEM NAME"
android:textSize="15sp"/>

<TextView
android:id="@+id/item_desc"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="2"
android:text="ITEM DESCRIPTION"
android:textSize="15sp"/>
</LinearLayout>
<View
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_weight="1"
/>

<TextView
android:id="@+id/item_price"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ITEM PRICE"
android:textSize="20sp"
android:layout_marginLeft="20dp"
/>


</LinearLayout>