170501 안드로이드 스터디 정리

var d = activity.getResource().getDrawable(R.drawable.sample_image);
button.setBackgroundDrawable(d);
button.setBackgroundResource(R.drawable.sample_image)

var d = (GradientDrawable)activity.getResources().getDrawable(R.my_rounded_rect);
tv.setBackgroundDrawable(d);

String _GetStringFromRawFile(activity)
	var is = activity.getResource().openRawResource(R.raw.test);
	var os = new ByteArrayOutputStream();
	...
	var str = os.toString();
	return str;

String _GetStringFromAssetFile(activity)
	var is = activity.getAssets().open("test.txt");
	var os = new ByteArrayOutputStream();
	...
	var str = os.toString();
	return str;

var values = new ContentValues();
values.put("title", "new title");
values.put("note", "new note");

var cr = activity.getContentResolver();
var uri = ContactsContract.Contacts.CONTENTS_URI;
var newUri = cr.insert(uri, values);

cr.update

cr.delete

MyActivity
{
	onCreate
	{
		var intent = this.getIntent();
		...
	}
}

_InvokeMyActivity(activity)
{
	var actionName = "com.myapp.intent.action.My"
	var intent = new Intent(actionName);
	activity.startActivity(intent);
}

_InvokeWebBrowser(activity)
{
	var intent = new Intent(Intent.ACTION_VIEW);
	intent.setData(Uri.Parse("http://google.com"));
	activity.startActivity(intent);
}

_InvokeCall(activity)
{
	var intent = new Intent(Intent.ACTION_CALL);
	intent.setData(Uri.Parse("tel:02-1234-5678"));
	activity.startActivity(intent);
}

MyActivity
{
	onCreateOptionMenu(menu)
	{
		var menuIdx = Menu.FIRST;
		var item1 = menu.add(menuIdx, menuIdx, menuIdx, "first menu");
		menuIdx++;
		var item2 = menu.add(menuIdx, menuIdx, menuIdx, "second menu");
	}

	onOptionMenuSelected(item)
	{
		if(item.getItemId() == Menu.FIRST)
		{
		}
		else if(item.getItemId() == (Menu.FIRST + 1))
		{
		}
	}
}	

_InvokeMyActivity(activity)
{
	var intent = new Intent(activity, MyActivity.class);
	activity.startActivity(intent);
}

_EnumAllAppsAndStartMy(activity)
{
	var mainIntent = new Intent(Intent.ACTION_MAIN, null);
	mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
	var pm = activity.getPackageManager();
	var actList = pm.queryIntentActivities(mainIntent, 0);

	for (var ri : actList)
	{
		var packName = ri.activityInfo.packageName;
		var clsName = ri.activityInfo.name;

		if(clsName.Contains(".My"))
		{
			var newIntent = new Intent();
			newIntent.setClassName(packName, clsName);
			activity.startActivity(newIntent);
			break;
		}
	}
}

_QueryAnyApp(activity)
{
	var mainIntent = new Intent(Intent.ACTION_MAIN, null);
	mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
	activity.startActivity(mainIntent);
}

_QueryAnyHome(activity)
{
	var mainIntent = new Intent(Intent.ACTION_MAIN, null);
	mainIntent.addCategory(Intent.CATEGORY_HOME);
	activity.startActivity(mainIntent);
}

tv.setAutoLinkMask(Linkify.ALL);
tv.setText("please visit http://google.com .")

tv.setAutoLinkMask(Linkify.ALL);
tv.setText("please visit http://google.com .");

var strAdapter = new ArrayAdapter<String>(
	this,
	android.R.layout.simple_dropdown_item_1line,
	new String[] {"en", "ko", "jp", "ch", ...});

tv.setAdapter(strAdapter);

var btn = (Button)thisActivity.findViewById ...
btn.setOnClickListener( new OnClickListener() {
	public void onClick(v) {
		var i = new Intent(Intent.ACTION_VIEW,
			Uri.parse("http://google.com"));		
		thisActivity.startActivity(i);
	}
})

imgBtn = findById ...
imgBtn.setImageResource(R.drawable.icon);

cb.setOnChecedChangeListener(
	new CompoundButton.OnCheckedChangeListener() {
		onCheckedChanged(cb, isChecked) {
			...
		}
	}
)

var myRadioGroup = findById ...
var id = myRadioGroup.getCheckedRadioButtonId();
myRadioGroup.setOnCheckedChangedListener( 
	...
);

img3 = ...
img3.setImageResource(R.drawable.img3);

img3.setImageBitmap(
	BitmapFactory.decodeResource(
		thisActivity.getResourec(), 
		R.drawable.img3));

img3.setImageDrawable(
	Drawable.createFromPath("/mnt/sdcard/img3.png"));

img3.setImageURI(
	Uri.parse("file://mnt/sdcard/img3.png"));

dp.getMonth();
...

var timeF = new java.util.Formatter();
timeF.format(
	"%02d:%02d:%02d", 
	tp.getCurrentHour(), 
	tp.getCurrentMinute(), 
	tp.getCurrentSecond());
var timeStr = timeF.toString();

tv.setText(
	R.string.styled_text, 
	TextView.BufferType.SPANNABLE);

et.setText(...);
var spn = (Spannable)et.getText();

spn.setSpan(
	new BackgroundColorSpan(Color.RED), 
	0, 
	7, 
	Spanable.SPAN_EXCLUSIVE_EXCLUSIVE);

spn.setSpan(
	new StyleSpan(android.graphics.Typeface.BOLD_ITALIC), 
	0, 
	7, 
	Spanable.SPAN_EXCLUSIVE_EXCLUSIVE);

MyActivity
	onCreateOptionMenu( menu )
	{
		super ...
		menu.add(0, 0, 0, "menu0");
		menu.add(1, 1, 1, "menu1");
		var menuItem2 = menu.add(2, 2, 2, "menu2");
		menuItem2.setIcon(R.drawable.menuItem2);
	}

	onOptionItemSelected( item )
	{
		var mid = item.getItemId();
	}

MyActivity
	onCreate
	{
		var tv = ...
		thisActivity.registerForContextMenu(tv);
	}

	onCreateContextMenu(menu, v, menuInfo)
	{
		menu.setHeaderTitle("contextMenu");
		menu.add(100, 100, 100, "contextMenuItem100");
	}

	onContextItemSelected(item)
	{
		if(item.getItemId() == 100)
		{
			...
		}
	}

AlertDialog.Builder

Toast.
	makeText(thisActivity, "toast message", Toast.LENGTH_LONG).
	show();

MyActivity
	onCreate
		var ab = thisActivity.getActionBar();
		ab.setTitle
		ab.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

		var t0 = ab.newTab();
		t0.setText
		t0.setTabListener
		ab.addTab(t0);

		var t1 = ab.newTab();
		t1.setText
		t1.setTabListener
		ab.addTab(t1);

MyActionBarAdapter 
	extends ArrayAdapter<String>
	implements SinnableAdapter
{
	MyActionBarAdapter(ctx)
	{
		super(
			ctx, 
			android.R.simple_sppiner_item, 
			new String[] {"one", "two"});

		this.setDropDownResource(
			android.R.layout.simple_spinner_dropdown_item);
	}

	getDropdownView(position, convertView, perentView)
	{
		return super.getDropDownView(
			position, 
			convertView, 
			parentView);
	}
}

MyActivity
	onCreate
		var ab = thisActivity.getActionBar();
		ab.setTitle
		ab.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);

		ab.setListNavigationCallbacks(
			new MyActionBarAdapter(this),
			new ActionBar.OnNavigationListener 
			{
				onNavigationItemSelected(itemPosition, itemId) 
				{
				}
			}
		);

MyActivity
	onCreate
		var ab = thisActivity.getActionBar();
		ab.setTitle
		ab.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);

		var t0 = ab.newTab();
		t0.setText
		t0.setTabListener
		ab.addTab(t0);

		var t1 = ab.newTab();
		t1.setText
		t1.setTabListener
		ab.addTab(t1);

MyActivity
{
	onCreateMenu
	{
		var menuItem = create ...
		menuItem.id = id/menu_search ...
		var searchView = (SearchView)menuItem.getActionView();
		var searchMgr = (SearchManager)thisActivity.getSystemService(
			Context.SEARCH_SERVICE);
		var cn = new ComponentName(thisActivity, MyActivity.class);
		var info = searchMgr.getSearchInfo(cn);
		searchView.setSearchInfo(info);
		searchView.setIconifiedByDefault(false);
	}

	onCreate
	{
		var queryIntent = thisActivity.getIntent();
		var queryAction = queryIntent.getAction();
		
		if (queryAction == Intent.ACTION_SEARCH)
		{
			var queryString = queryIntent.getStringExtra(
				SearchManager.QUERY);
		}
	}
}