hidden files android

Hide views View: "Android:visibility"This address: Http://blog.csdn.net/caroline_wendyThe view can optionally be hidden (gone), visible (visible), not visible (invisible).(visible):XML file: android:visibility= "visible"Java code: view.setvisibility (view.visible);not visible (invisible):XML file: android:visibility= "invisible"Java code: view.setvisibility (view.invisible);Hide (Gone):XML file: android:visibility= "Gone"Java code: view.setvisibility

You need to modify the ListView class override Onintercepttouchevent () and ontouchevent ()//experiment with another method, overwriting the ontouchevent () of the drag icon in each row of the ListView, but the effect is not ideal. public class Mainactivity extends Activity {deleteadapter Deleteadapter;draglistview listview;boolean bflag;i Magebutton button; @Overridepublic void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (r.layout.activity_main);d e

Android provides properties in the layout and can simply add animation effects, as follows:When you add a delete, hide, or display to a view in a layout, there will be a fade, and displacement animation.In addition to using attributes in an XML layout file animateLayoutChanges . You can also create LayoutTransition objects with the Setlayouttransition () method set in. The source code is as follows:private ViewGroup mContainerView; @Overrideprotected

savedinstancestate) {Super. OnCreate (savedinstancestate); Setcontentview (r.layout.test); EditText1=(TextView) Findviewbyid (R.ID.EDITTEXT1); CheckBox1=(CheckBox) Findviewbyid (r.id.checkbox1); Checkbox1.setoncheckedchangelistener (NewOncheckedchangelistener () {@Override Public voidOnCheckedChanged (Compoundbutton Buttonview,BooleanisChecked) { //TODO auto-generated Method Stub if(isChecked) {//If selected, displays the passwordEdittext1.settransfo

Immersive mode is supported only on Android 4.4 and above, and the Appactivity code is modified as follows:@Override PublicCocos2dxglsurfaceview Oncreateview () {Cocos2dxglsurfaceview Glsurfaceview=Super. Oncreateview (); Hidesystemui (); returnGlsurfaceview; } @Override Public voidOnwindowfocuschanged (BooleanHasfocus) { Super. onwindowfocuschanged (Hasfocus); if(Hasfocus Build.VERSION.SDK_INT >= 19) {hidesystemui (); } } Private

Set the properties of layout to apply to Android view SetvisibilityThere are three values visibility VISIBLE, INVISIBLE, GONE.Visible invisible invisible, without occupying layout spaceJava code Set display Tv_main_title.setvisibility (view.visible); Settings do not display or occupy space Tv_main_title.setvisibility (View.gone); Setting does not display but takes up space Tv_main_title.setvisibility (view.invisible);

area is determined when the view has just been drawn, and if the subsequent correspondence is disrupted, the system may also generate a default layout to clarify the area.A better solution comes out: The bottom action Bar is also used as a drop-down refresh area, that is, with the drop-down refresh component as a layout.The problem is solved, but I don't feel very comfortable: my drop-down refresh component is generic, as long as the drop-down refresh function is not started, it is completely a

In Android development, when using the ListView, we often use Footerview or HeaderviewThe footer and headers added to the ListView are often hidden and displayed depending on the situation.Because footer and headers use the methods of deletion and addition, they always feel bad.When you set the view in footer and header directly to gone, the area is still occupied, although the content is not displayed.Thro

Android actionbar hidden by a small arrow on the left, androidactionbar Styles. add the following style in xml, but this line of code will encounter an error The minimum version number of the AndroidManifest. xml file must be modified to 11.

Reading and Writing Android files and reading and writing Android files Android uses IO streams to read and write files in the same way as JavaSE. In addition, Android uses the JavaSE I

First of all, the premise of achieving all this is that your AVD Android simulator, before starting, has the size of the sdcard set well, such as. At the same time, your AVD Android simulator should be in the boot state. Otherwise, you cannot perform the following actions.Here's an example of an Android development environment installed in Windows using the Adt-b

[Android] copies external files to sdcard on AVD Android simulator, and browses sdcard files in AVD, First, you must set the size of the sdcard before starting your AVD Android simulator, for example. At the same time, your AVD Android