pace zoo example

gistfile1.txt

activity_edit_animal.xml
------------------------
<?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:background="#CCCCCC"
    android:orientation="vertical"
    android:paddingTop="1dp" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#000000"
        android:text="Edit Animal"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textColor="#FFFFFF" />

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#FFFFFF"
        android:padding="10dp" >

        <TextView
            android:id="@+id/textView2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_alignParentTop="true"
            android:layout_marginLeft="24dp"
            android:layout_marginTop="30dp"
            android:text="Animal" />

        <EditText
            android:id="@+id/animalName"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@+id/textView2"
            android:layout_below="@+id/textView2"
            android:ems="10" />

        <Button
            android:id="@+id/btnadd"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@+id/animalName"
            android:layout_below="@+id/animalName"
            android:layout_marginTop="32dp"
            android:text="Update"
            android:onClick="updateAnimal" />

        <Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignBottom="@+id/btnadd"
            android:layout_marginLeft="26dp"
            android:layout_toRightOf="@+id/btnadd"
            android:text="Delete"
            android:onClick="removeAnimal"  />

    </RelativeLayout>

</LinearLayout>

EditAnimal.java
---------------
package com.bytefly.zooexample;

import java.util.HashMap;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.EditText;

public class EditAnimal extends Activity {

	DBController controller = new DBController(this);
	
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_edit_animal);
		
		
		EditText animalNameEdit = (EditText)findViewById(R.id.animalName);
		Intent thisIntent = getIntent();
		String animalId = thisIntent.getStringExtra("animalId");
		HashMap<String,String> animal = controller.getAnimalInfo(animalId);
		String animalName = animal.get("animalName");	
		animalNameEdit.setText(animalName);	
	}
}



activity_main_zoo.xml
---------------------

        <ListView
            android:id="@android:id/list"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true" >
        </ListView>

DBController.java
-----------------

	public HashMap<String, String> getAnimalInfo(String id) {
		HashMap<String, String> animal = new HashMap<String, String>();
		SQLiteDatabase database = this.getReadableDatabase();
		String selectQuery = "SELECT * FROM animals where animalId='"+id+"'";
		Cursor cursor = database.rawQuery(selectQuery, null);
		if (cursor.moveToFirst()) {
			do {
				String did = cursor.getString(0);
				String name = cursor.getString(1);
				animal.put("animalId", did);
				animal.put("animalName", name);
				Log.d("got ", name);
			} while(cursor.moveToNext());
		}	
		return animal;
	}

  public ArrayList<HashMap<String,String>> getAllAnimals() {
		ArrayList<HashMap<String,String>> alist;
		alist = new ArrayList<HashMap<String,String>>();
		String selectQuery = "SELECT * FROM animals";
		SQLiteDatabase database = this.getWritableDatabase();
		Cursor cursor = database.rawQuery(selectQuery, null);
		if (cursor.moveToFirst()) {
			do {
				String id = cursor.getString(0);
				String name = cursor.getString(1);
				HashMap<String,String> map = new HashMap<String,String>();
				map.put("animalId", id);
				map.put("animalName", name);
				alist.add(map);
				Log.d("DBController", name);
			} while(cursor.moveToNext());
		}
		return alist;
	}

MainZooActivity.java
--------------------

package com.bytefly.zooexample;

import java.util.ArrayList;
import java.util.HashMap;

import android.os.Bundle;
import android.app.Activity;
import android.app.ListActivity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;

public class MainZooActivity extends ListActivity {

  DBController controller = new DBController(this);
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main_zoo);
		ArrayList<HashMap<String,String>> animals = controller.getAllAnimals();
		
		ListView lv = getListView();
		
		
		lv.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> parent, View view, int position,
					long id) {
				
				TextView animalId = (TextView) view.findViewById(R.id.animalId);
				String valAnimalId = animalId.getText().toString();
				Intent objIntent = new Intent(getApplicationContext(), EditAnimal.class);
				objIntent.putExtra("animalId", valAnimalId);
				startActivity(objIntent);
				
			}
			
		});
		
		
		ListAdapter adapter = new SimpleAdapter(
				MainZooActivity.this, 
				animals, R.layout.view_animal_entry,
				new String[] {"animalId", "animalName"},
				new int[] {R.id.animalId, R.id.animalName});
		setListAdapter(adapter);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main_zoo, menu);
		return true;
	}
	
	public void showAddForm(View view) {
		Intent objIntent = new Intent(getApplicationContext(), NewAnimal.class);
		startActivity(objIntent);
	}

}

view_animal_entry.xml
---------------------

<?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/animalId"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
         />

    <TextView
        android:id="@+id/animalName"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="5dp"
        android:layout_marginTop="5dp"
        android:paddingLeft="6dip"
        android:paddingTop="6dip"
        android:textColor="#A4C739"
        android:textStyle="bold" />

</LinearLayout>