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f30f9 using database in android

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(1)

==============================activity_catalog.xml================================

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.example.android.pets.CatalogActivity">

<ImageButton

android:layout_width="70dp" android:layout_height="70dp" android:scaleType="centerCrop"

android:layout_alignParentBottom="true" android:layout_alignParentEnd="true" android:src="@drawable/kaki" xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.example.android.pets.EditorActivity">

<TextView

android:layout_width="125dp"

android:layout_height="wrap_content" android:text="Overview"

android:layout_alignParentRight="true" android:layout_width="240dp"

android:layout_height="wrap_content" android:hint="Name" />

<EditText

android:id="@+id/editBreed" android:layout_marginTop="10dp" android:layout_marginLeft="5dp"

android:layout_alignParentRight="true" android:layout_below="@id/editName" android:layout_width="240dp"

android:layout_height="wrap_content" android:hint="Breed" />

<Spinner

android:id="@+id/spinnerGender"

android:layout_alignParentRight="true" android:layout_width="240dp"

android:layout_height="30sp"

android:layout_below="@id/editBreed" android:layout_marginTop="10dp"/>

<TextView

android:layout_width="125dp"

android:layout_height="wrap_content"

android:layout_alignTop="@+id/spinnerGender" android:text="Gender"

android:textSize="20sp"

android:layout_marginLeft="5dp" android:id="@+id/textGender" />

(2)

android:id="@+id/textMeasurement" android:layout_width="125dp"

android:layout_height="wrap_content" android:layout_below="@id/textGender" android:layout_marginTop="15dp" android:text="Measurement" android:layout_marginLeft="5dp" android:textSize="20sp" />

<EditText

android:id="@+id/editWeight" android:layout_width="240dp"

android:layout_height="wrap_content" android:layout_below="@id/spinnerGender" android:layout_alignParentRight="true" android:textAlignment="textEnd"

android:hint="kg" />

</RelativeLayout>

===========================AndroidManifest.xml=================================

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.android.pets">

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher" android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true"

android:theme="@style/AppTheme">

<activity

android:name=".CatalogActivity" android:label="Pets">

<intent-filter>

<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" /> </intent-filter>

</activity>

<activity

android:name=".EditorActivity" android:label="Add a Pet"

android:parentActivityName=".CatalogActivity"> <meta-data

android:name="android.support.PARENT_ACTIVITY" android:value=".CatalogActivity"/>

</activity> </application>

</manifest>

============================menucatalog.xml========================================

package com.example.android.pets;

import android.content.Intent;

import android.support.v7.app.AppCompatActivity; import android.os.Bundle;

import android.view.Menu; import android.view.View;

import android.widget.ImageButton;

public class CatalogActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);

setContentView(R.layout.activity_catalog);

(3)

IBkaki.setOnClickListener(new View.OnClickListener() { @Override

public void onClick(View view) {

Intent intent = new Intent(CatalogActivity.this, EditorActivity.class);

startActivity(intent); }

}); }

public boolean onCreateOptionMenu(Menu menu) {

getMenuInflater().inflate(R.menu.menu_catalog, menu); return true;

} }

========================CatalogActivity.java========================================

0070ackage com.example.android.pets;

import android.content.Intent;

import android.support.v7.app.AppCompatActivity; import android.os.Bundle;

import android.view.Menu; import android.view.MenuItem; import android.view.View;

import android.widget.ImageButton;

public class CatalogActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);

setContentView(R.layout.activity_catalog);

ImageButton IBkaki = (ImageButton) findViewById(R.id.IBkaki); IBkaki.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View view) {

Intent intent = new Intent(CatalogActivity.this, EditorActivity.class);

startActivity(intent); }

}); }

public boolean onCreateOptionMenu(Menu menu) {

getMenuInflater().inflate(R.menu.menu_catalog, menu); return true;

}

public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) {

case R.id.InsertDummyData: return true;

case R.id.DelleteAllPets: return true;

}

return super.onOptionsItemSelected(item); }

}

===========================string.xml======================================

<resources>

<string name="app_name">Pets</string> <string-array name="array_gender_option"> <item>Unknown</item>

<item>Male</item> <item>Female</item> </string-array>

(4)

========================menu_catalog.xml===================================

<?xml version="1.0" encoding="utf-8"?>

<menu xmlns:android="http://schemas.android.com/apk/res/android"> <item

android:id="@+id/InsertDummyData" android:title="Insert Dummy Data" /> <item

android:id="@+id/DelleteAllPets" android:title="Dellete All Pets" /> </menu>

==========================menu_editor.xml==================================

<?xml version="1.0" encoding="utf-8"?>

<menu xmlns:android="http://schemas.android.com/apk/res/android"> <item

android:id="@+id/action_save" android:title="Save" /> <item

android:id="@+id/action_delete" android:title="Delete" /> </menu>

=================================EditorActivity.java=========================

package com.example.android.pets;

import android.support.v4.app.NavUtils;

import android.support.v7.app.AppCompatActivity; import android.os.Bundle;

import android.text.TextUtils; import android.view.Menu; import android.view.MenuItem; import android.view.View;

import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.Spinner;

public class EditorActivity extends AppCompatActivity {

private EditText editName;

private EditText editBreed;

private Spinner spinnerGender;

private EditText editWeight;

private int nGender = 0;

@Override

protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);

setContentView(R.layout.activity_editor);

editName = (EditText) findViewById(R.id.editName); editBreed = (EditText) findViewById(R.id.editBreed); editWeight = (EditText) findViewById(R.id.editWeight); spinnerGender = (Spinner) findViewById(R.id.spinnerGender); setupSpinner();

}

private void setupSpinner() {

ArrayAdapter genderSpinnerAdapter = ArrayAdapter.createFromResource(this, R.array.array_gender_option, android.R.layout.simple_spinner_item);

genderSpinnerAdapter.setDropDownViewResource(android.R.layout.simple_dropdown_item_1li ne);

spinnerGender.setAdapter(genderSpinnerAdapter);

spinnerGender.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

(5)

public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {

String selection = (String) adapterView.getItemAtPosition(i); if (!TextUtils.isEmpty(selection)){

if (selection.equals("Male")) { nGender = 1;

} else if (selection.equals("Female")) { nGender = 2;

} else {

nGender = 0; }

} }

@Override

public void onNothingSelected(AdapterView<?> adapterView) { nGender = 0;

} });

}

public boolean onCreateOptionsMenu(Menu menu) {

getMenuInflater().inflate(R.menu.menu_editor, menu); return true;

}

public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) {

case R.id.action_save: return true;

case R.id.action_delete: return true;

case android.R.id.home:

NavUtils.navigateUpFromSameTask(this); return true;

}

return super.onOptionsItemSelected(item); }

(6)

=====================PetContract.java==================================

package com.example.android.pets.data;

import android.provider.BaseColumns;

/**

* Created by Dince on 12/10/2017. */

public final class PetContract { private PetContract() {}

public static final class PetEntry implements BaseColumns{ public final static String TABLE_NAME = "pets";

public final static String _ID =BaseColumns._ID; public final static String COLUMN_PET_NAME ="name"; public final static String COLUMN_PET_BREED ="breed"; public final static String COLUMN_PET_GENDER ="gender"; public final static String COLUMN_PET_WEIGHT ="weight";

public static final int GENDER_UNKNOWN = 0; public static final int GENDER_MALE = 1; public static final int GENDER_FEMALE = 2; }

}

================edit potongan kode di EditorActivity.java==================

public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) { String selection = (String) adapterView.getItemAtPosition(i);

if (!TextUtils.isEmpty(selection)){ if (selection.equals("Male")) {

nGender = PetContract.PetEntry.GENDER_MALE; } else if (selection.equals("Female")) {

nGender = PetContract.PetEntry.GENDER_FEMALE; } else {

nGender = PetContract.PetEntry.GENDER_UNKNOWN; }

} }

selanjutnya===============================

terjadi redudansi, maka hilangkan Pet.Contract menjadi:

public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) { String selection = (String) adapterView.getItemAtPosition(i);

if (!TextUtils.isEmpty(selection)){ if (selection.equals("Male")) { nGender = PetEntry.GENDER_MALE; } else if (selection.equals("Female")) { nGender = PetEntry.GENDER_FEMALE; } else {

nGender = PetEntry.GENDER_UNKNOWN; }

} }

bagian import juga di edit:

import com.example.android.pets.data.PetContract.PetEntry;

===================PetDbHelper.java========================================

package com.example.android.pets.data;

import android.content.Context;

import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper;

/**

(7)

public class PetDbHelper extends SQLiteOpenHelper {

private static final String DATABASE_NAME = "shelter.db"; private static final int DATABASE_VERSION = 1;

public PetDbHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {

super(context, DATABASE_NAME, null, DATABASE_VERSION); }

@Override

public void onCreate(SQLiteDatabase sqLiteDatabase) { String SQL_CREATE_PETS_TABLE = "CREATE TABLE" + PetContract.PetEntry.TABLE_NAME + "("

+ PetContract.PetEntry._ID + "INTEGER PRIMARY KEY AUTOINCREMENT, " + PetContract.PetEntry.COLUMN_PET_NAME + "TEXT NOT NULL, "

+ PetContract.PetEntry.COLUMN_PET_BREED + "TEXT, "

+ PetContract.PetEntry.COLUMN_PET_GENDER + "INTEGER NOT NULL, " + PetContract.PetEntry.COLUMN_PET_WEIGHT + "INTEGER NOT NULL DEFAULT 0);";

sqLiteDatabase.execSQL(SQL_CREATE_PETS_TABLE); }

@Override

public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {

Referensi

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