Android Studio: Layout Layar - Revision history

Onnowpurbo: /* Handling click events */

2015-05-12T04:30:09Z

Handling click events

← Older revision		Revision as of 04:30, 12 May 2015
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	==Handling click events==		==Handling click events==

	~~You can respond to~~ click ~~events on each~~ item ~~in an~~ AdapterView ~~by implementing the~~ AdapterView.OnItemClickListener ~~interface~~. ~~For example~~:		Kita dapat menghubungkan event click pada setiap item di AdapterView dengan cara mengimplementasikan interface AdapterView.OnItemClickListener . Contoh:

	// Create a message handling object as an anonymous class.		// Create a message handling object as an anonymous class.
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	}		}
	};		};

	listView.setOnItemClickListener(mMessageClickedHandler);		listView.setOnItemClickListener(mMessageClickedHandler);

	==Referensi==		==Referensi==

	* https://developer.android.com/guide/topics/ui/declaring-layout.html		* https://developer.android.com/guide/topics/ui/declaring-layout.html

Onnowpurbo: /* Filling an adapter view with data */

2015-05-12T04:25:03Z

Filling an adapter view with data

← Older revision		Revision as of 04:25, 12 May 2015
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	SimpleCursorAdapter kemudian membuat view untuk setiap baris di Cursor menggunakan layout yang diberikan dengan cara meng-insert setiap item fromColumns ke view toViews.		SimpleCursorAdapter kemudian membuat view untuk setiap baris di Cursor menggunakan layout yang diberikan dengan cara meng-insert setiap item fromColumns ke view toViews.

	If, ~~during the course of your application's life~~, ~~you change the underlying~~ data ~~that is read by your adapter~~, ~~you should call~~ notifyDataSetChanged(). ~~This will notify the attached~~ view ~~that the~~ data ~~has been changed and it should~~ refresh ~~itself~~.		Jika, dalam perjalanan aplikasi anda, anda mengubah data yang mendasari yang dibaca oleh adaptor anda, anda harus menghubungi notifyDataSetChanged (). Ini akan memberitahu view yang melekat bahwa data telah berubah dan harus me-refresh diri sendiri.

	==Handling click events==		==Handling click events==

Onnowpurbo: /* Filling an adapter view with data */

2015-05-12T04:23:22Z

Filling an adapter view with data

← Older revision		Revision as of 04:23, 12 May 2015
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	listView.setAdapter(adapter);		listView.setAdapter(adapter);

	~~The~~ SimpleCursorAdapter ~~then creates a~~ view ~~for each row in the~~ Cursor ~~using the provided~~ layout ~~by inserting each~~ fromColumns ~~item into the corresponding~~ toViews ~~view~~.		SimpleCursorAdapter kemudian membuat view untuk setiap baris di Cursor menggunakan layout yang diberikan dengan cara meng-insert setiap item fromColumns ke view toViews.

	If, during the course of your application's life, you change the underlying data that is read by your adapter, you should call notifyDataSetChanged(). This will notify the attached view that the data has been changed and it should refresh itself.		If, during the course of your application's life, you change the underlying data that is read by your adapter, you should call notifyDataSetChanged(). This will notify the attached view that the data has been changed and it should refresh itself.

Onnowpurbo: /* Filling an adapter view with data */

2015-05-12T04:15:23Z

Filling an adapter view with data

← Older revision		Revision as of 04:15, 12 May 2015
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	int[] toViews = {R.id.display_name, R.id.phone_number};		int[] toViews = {R.id.display_name, R.id.phone_number};

	~~When you instantiate the~~ SimpleCursorAdapter, pass ~~the~~ layout ~~to use for each result~~, ~~the~~ Cursor ~~containing the results~~, ~~and these two~~ arrays:		Jika kita menginisiasi SimpleCursorAdapter, pass layout untuk digunakan untuk setiap hasil, Cursor berisi hasil, dan ke dua arrays:

	SimpleCursorAdapter adapter = new SimpleCursorAdapter(this,		SimpleCursorAdapter adapter = new SimpleCursorAdapter(this,
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	The SimpleCursorAdapter then creates a view for each row in the Cursor using the provided layout by inserting each fromColumns item into the corresponding toViews view.		The SimpleCursorAdapter then creates a view for each row in the Cursor using the provided layout by inserting each fromColumns item into the corresponding toViews view.
	.

	If, during the course of your application's life, you change the underlying data that is read by your adapter, you should call notifyDataSetChanged(). This will notify the attached view that the data has been changed and it should refresh itself.		If, during the course of your application's life, you change the underlying data that is read by your adapter, you should call notifyDataSetChanged(). This will notify the attached view that the data has been changed and it should refresh itself.

Onnowpurbo: /* Filling an adapter view with data */

2015-05-12T04:13:36Z

Filling an adapter view with data

← Older revision		Revision as of 04:13, 12 May 2015
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	'''SimpleCursorAdapter'''		'''SimpleCursorAdapter'''

	~~Use this adapter when your~~ data ~~comes from a Cursor~~. ~~When using~~ SimpleCursorAdapter, ~~you must specify a~~ layout ~~to use for each row in the~~ Cursor ~~and which columns in the~~ Cursor ~~should be inserted into which views of the~~ layout. ~~For example~~, ~~if you want to create a list of people's names and phone numbers~~, ~~you can perform a~~ query ~~that returns a~~ Cursor ~~containing a row for each person and columns for the names and numbers~~. ~~You then create a~~ string ~~array specifying which columns from the~~ Cursor ~~you want in the~~ layout ~~for each result and an integer~~ array ~~specifying the corresponding views that each column should be placed~~:		Gunakan adaptor ini ketika data anda berasal dari sebuah kursor . Bila menggunakan SimpleCursorAdapter, anda harus menentukan layout yang akan digunakan untuk setiap baris di Cursor dan yang kolom di Cursor harus dimasukkan ke dalam view dari layout. Sebagai contoh, jika Anda ingin membuat daftar nama orang dan nomor telepon, anda dapat melakukan query yang mengembalikan Cursor yang berisi baris untuk setiap orang dan kolom untuk nama dan nomor. Anda kemudian membuat array string yang menetapkan kolom dari Cursor yang Anda inginkan dalam layout untuk setiap hasil dan sebuah array bilangan bulat menentukan view yang sesuai agar setiap kolom harus ditempatkan:

	String[] fromColumns = {ContactsContract.Data.DISPLAY_NAME,		String[] fromColumns = {ContactsContract.Data.DISPLAY_NAME,
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	int[] toViews = {R.id.display_name, R.id.phone_number};		int[] toViews = {R.id.display_name, R.id.phone_number};

	When you instantiate the SimpleCursorAdapter, pass the layout to use for each result, the Cursor containing the results, and these two arrays:		When you instantiate the SimpleCursorAdapter, pass the layout to use for each result, the Cursor containing the results, and these two arrays:

	SimpleCursorAdapter adapter = new SimpleCursorAdapter(this,		SimpleCursorAdapter adapter = new SimpleCursorAdapter(this,
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	listView.setAdapter(adapter);		listView.setAdapter(adapter);

	The SimpleCursorAdapter then creates a view for each row in the Cursor using the provided layout by inserting each fromColumns item into the corresponding toViews view.		The SimpleCursorAdapter then creates a view for each row in the Cursor using the provided layout by inserting each fromColumns item into the corresponding toViews view.
	.		.

Onnowpurbo: /* Filling an adapter view with data */

2015-05-12T04:08:07Z

Filling an adapter view with data

← Older revision		Revision as of 04:08, 12 May 2015
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	listView.setAdapter(adapter);		listView.setAdapter(adapter);

	~~To customize the appearance of each~~ item ~~you can override the~~ toString() ~~method for the objects in your~~ array. Or, to create a view ~~for each~~ item ~~that's something other than a~~ TextView (~~for example~~, ~~if you want an~~ ImageView ~~for each~~ array ~~item~~), extend ~~the~~ ArrayAdapter ~~class and override~~ getView() to return ~~the type of~~ view ~~you want for each~~ item.		Untuk meng-custimisasi penampilan setiap item kita dapat meng-overide method toString() untuk objek yang ada di array. Atau, untuk meng-create view untuk setiap item yang menggunakan bukan TextView (contoh, jika kita ingin menggunakan ImageView untuk setiap item di array), extend class ArrayAdapter dan overide getView() untuk memberikan return tipe view yang kita inginkan untuk setiap item.

	'''SimpleCursorAdapter'''		'''SimpleCursorAdapter'''

Onnowpurbo: /* Filling an adapter view with data */

2015-05-12T04:01:17Z

Filling an adapter view with data

← Older revision		Revision as of 04:01, 12 May 2015
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	String[] fromColumns = {ContactsContract.Data.DISPLAY_NAME,		String[] fromColumns = {ContactsContract.Data.DISPLAY_NAME,
	ContactsContract.CommonDataKinds.Phone.NUMBER};		ContactsContract.CommonDataKinds.Phone.NUMBER};
	int[] toViews = {R.id.~~display_nam~~		int[] toViews = {R.id.display_name, R.id.phone_number};

			When you instantiate the SimpleCursorAdapter, pass the layout to use for each result, the Cursor containing the results, and these two arrays:

			SimpleCursorAdapter adapter = new SimpleCursorAdapter(this,
			R.layout.person_name_and_number, cursor, fromColumns, toViews, 0);
			ListView listView = getListView();
			listView.setAdapter(adapter);

			The SimpleCursorAdapter then creates a view for each row in the Cursor using the provided layout by inserting each fromColumns item into the corresponding toViews view.
			.

			If, during the course of your application's life, you change the underlying data that is read by your adapter, you should call notifyDataSetChanged(). This will notify the attached view that the data has been changed and it should refresh itself.

	==Handling click events==		==Handling click events==

Onnowpurbo: /* Filling an adapter view with data */

2015-05-12T04:00:10Z

Filling an adapter view with data

← Older revision		Revision as of 04:00, 12 May 2015
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	Maka argumen untuk constructor ini adalah:		Maka argumen untuk constructor ini adalah:

	* ~~Your~~ app ~~Context~~		* Context app kota
	* ~~The~~ layout ~~that contains a~~ TextView ~~for each~~ string ~~in the~~ array		* layout yang berisi TextView untuk setiap string di array
	* ~~The~~ string array		* string array

	Kemudian panggil setAdapter() di ListView anda:		Kemudian panggil setAdapter() di ListView anda:
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	Use this adapter when your data comes from a Cursor. When using SimpleCursorAdapter, you must specify a layout to use for each row in the Cursor and which columns in the Cursor should be inserted into which views of the layout. For example, if you want to create a list of people's names and phone numbers, you can perform a query that returns a Cursor containing a row for each person and columns for the names and numbers. You then create a string array specifying which columns from the Cursor you want in the layout for each result and an integer array specifying the corresponding views that each column should be placed:		Use this adapter when your data comes from a Cursor. When using SimpleCursorAdapter, you must specify a layout to use for each row in the Cursor and which columns in the Cursor should be inserted into which views of the layout. For example, if you want to create a list of people's names and phone numbers, you can perform a query that returns a Cursor containing a row for each person and columns for the names and numbers. You then create a string array specifying which columns from the Cursor you want in the layout for each result and an integer array specifying the corresponding views that each column should be placed:

	String[] fromColumns = {ContactsContract.Data.DISPLAY_NAME,		String[] fromColumns = {ContactsContract.Data.DISPLAY_NAME,
	ContactsContract.CommonDataKinds.Phone.NUMBER};		ContactsContract.CommonDataKinds.Phone.NUMBER};
	int[] toViews = {R.id.display_nam		int[] toViews = {R.id.display_nam

	==Handling click events==		==Handling click events==

Onnowpurbo: /* Filling an adapter view with data */

2015-05-12T03:52:20Z

Filling an adapter view with data

← Older revision		Revision as of 03:52, 12 May 2015
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	'''ArrayAdapter'''		'''ArrayAdapter'''

	Menggunakan adapter ini jika sumber data kita adalah sebuah array. Secara default, ArrayAdapter ~~creates a~~ view ~~for each~~ array ~~item by calling~~ toString() ~~on each~~ item ~~and placing the contents in a~~ TextView.		Menggunakan adapter ini jika sumber data kita adalah sebuah array. Secara default, ArrayAdapter membuat view untuk setiap item di array dengan memanggil toString() untuk setiap item dan meletakan content-nya di TextView.

	~~For example~~, ~~if you have an~~ array ~~of strings you want to~~ display ~~in a~~ ListView, ~~initialize a new~~ ArrayAdapter ~~using a~~ constructor ~~to specify the~~ layout ~~for each~~ string ~~and the~~ string array:		Contoh, jika kita mempunyai array string yang akan kita display di sebuah ListView, inisialisasi sebuah ArrayAdapter baru menggunakan sebuah constructor untuk menspesifikasi layout untuk setiap string dan string array:

	ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,		ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
	android.R.layout.simple_list_item_1, myStringArray);		android.R.layout.simple_list_item_1, myStringArray);

	~~The arguments for this constructor are:~~

	~~Your app Context~~		Maka argumen untuk constructor ini adalah:
	~~The layout that contains a TextView for each string in the array~~
	~~The string array~~

	~~Then simply call setAdapter() on your ListView:~~		* Your app Context
			* The layout that contains a TextView for each string in the array
			* The string array

	~~ListView listView = (ListView) findViewById(R.id.listview);~~		Kemudian panggil setAdapter() di ListView anda:
	~~listView.~~setAdapter(~~adapter~~);

	To customize the appearance of each item you can override the toString() method for the objects in your array. Or, to create a view for each item that's something other than a TextView (for example, if you want an ImageView for each array item), extend the ArrayAdapter class and override getView() to return the type of view you want for each item.		ListView listView = (ListView) findViewById(R.id.listview);
			listView.setAdapter(adapter);

			To customize the appearance of each item you can override the toString() method for the objects in your array. Or, to create a view for each item that's something other than a TextView (for example, if you want an ImageView for each array item), extend the ArrayAdapter class and override getView() to return the type of view you want for each item.

	'''SimpleCursorAdapter'''		'''SimpleCursorAdapter'''

Onnowpurbo: /* Filling an adapter view with data */

2015-05-12T03:41:02Z

Filling an adapter view with data

← Older revision		Revision as of 03:41, 12 May 2015
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	Android menyediakan beberapa subclasses dari Adapter yang bermanfaat untuk mengambil berbagai jenis data dan membuat views untuk sebuah AdapterView. Dua adapter yang banyak digunakan adalah:		Android menyediakan beberapa subclasses dari Adapter yang bermanfaat untuk mengambil berbagai jenis data dan membuat views untuk sebuah AdapterView. Dua adapter yang banyak digunakan adalah:

	ArrayAdapter		'''ArrayAdapter'''
	~~Use this~~ adapter ~~when your~~ data ~~source is an~~ array. By default, ArrayAdapter creates a view for each array item by calling toString() on each item and placing the contents in a TextView.
			Menggunakan adapter ini jika sumber data kita adalah sebuah array. Secara default, ArrayAdapter creates a view for each array item by calling toString() on each item and placing the contents in a TextView.

	For example, if you have an array of strings you want to display in a ListView, initialize a new ArrayAdapter using a constructor to specify the layout for each string and the string array:		For example, if you have an array of strings you want to display in a ListView, initialize a new ArrayAdapter using a constructor to specify the layout for each string and the string array:
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	ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,		ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
	android.R.layout.simple_list_item_1, myStringArray);		android.R.layout.simple_list_item_1, myStringArray);

	The arguments for this constructor are:		The arguments for this constructor are:

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	To customize the appearance of each item you can override the toString() method for the objects in your array. Or, to create a view for each item that's something other than a TextView (for example, if you want an ImageView for each array item), extend the ArrayAdapter class and override getView() to return the type of view you want for each item.		To customize the appearance of each item you can override the toString() method for the objects in your array. Or, to create a view for each item that's something other than a TextView (for example, if you want an ImageView for each array item), extend the ArrayAdapter class and override getView() to return the type of view you want for each item.

	SimpleCursorAdapter		'''SimpleCursorAdapter'''

	Use this adapter when your data comes from a Cursor. When using SimpleCursorAdapter, you must specify a layout to use for each row in the Cursor and which columns in the Cursor should be inserted into which views of the layout. For example, if you want to create a list of people's names and phone numbers, you can perform a query that returns a Cursor containing a row for each person and columns for the names and numbers. You then create a string array specifying which columns from the Cursor you want in the layout for each result and an integer array specifying the corresponding views that each column should be placed:		Use this adapter when your data comes from a Cursor. When using SimpleCursorAdapter, you must specify a layout to use for each row in the Cursor and which columns in the Cursor should be inserted into which views of the layout. For example, if you want to create a list of people's names and phone numbers, you can perform a query that returns a Cursor containing a row for each person and columns for the names and numbers. You then create a string array specifying which columns from the Cursor you want in the layout for each result and an integer array specifying the corresponding views that each column should be placed: