best android app development tutorial

|= mdoubletaplistener.ondoubletapevent (EV) ; } else {//This is a first tap mhandler.sendemptymessagedelayed (tap, Double_tap_tim EouT); } } ......} Private Boolean Isconsidereddoubletap (Motionevent firstdown, motionevent firstup, motionevent seconddown) { if (!malwaysinbiggertapregion) {return false; } final Long deltatime = Seconddown.geteventtime ()-firstup.geteventtime (); if (Deltatime > Double_tap_timeout | | deltatime detailed to be able to

occupies 1/3 of the space. If you add a third view and the weight is set to 1, then the first view (with a weight of 2) occupies 1/2 of the space, and the remaining two view accounts for 1/4. (Note that the premise of the use of weights is generally set to 0DP for the width or height of the view, then the system calculates the space that the view should occupy according to the weight rules above.) However, in many cases, if the view is set to the Match_parent attribute, then the above calculati

Php for Android server development-json xml universal app Data Communication Interface encapsulated by php Php file: test. php is a common communication class $ Code, 'message' => $ message, 'data' => $ data,); if ($ type = 'json') {self: json ($ code, $ message, $ data); exit;} elseif ($ type = 'array') {var_dump ($ result);} elseif ($ type = 'xml ') {self: x

)) //{Order = Orderdao.getorder (orderId);if(order!=NULL) {System.out.println ("Update payment status:"+orderid); System.out.println ("Paytime"+paytime); Order.setorderpaystatus (1); Order.setorderpaytime (paytime+". 0"); Order.setorderqueryid (Orderqueryid);//order.setorderpaytime (New SimpleDateFormat ("Yyyy-mm-dd HH:mm:ss"). Parse (paytime)); Booleansucess = orderdao.update (order); System.out.println ("sucess"+sucess); }//}

Com.ferris.view;import Android.content.context;import Android.support.v4.view.viewpager;import Android.util.attributeset;import Android.view.view;public class Myviewpage extends Viewpager {public MyViewPage ( Context context) {super (context);//TODO auto-generated Constructor Stub}public myviewpage (context context, AttributeSet attrs) {Super (context, attrs);//TODO auto-generated constructor stub} @Overrideprotected Boolean CanScroll (View V, boolean checkv, int dx, int x, int y) {if (v! = T

1, get today's dateNew SimpleDateFormat ("Yyyy-mm-dd"= Sdf.format (new java.util.Date ());2,string ext. intInteger.valueof (str). Intvalue ()3,int Turn stringString.valueof (Selectedtaskid)4,toast DisplayToast.maketext (listcomplicatetaskactivity. this, "You already have 100 records, please delete some", Toast.length_long). Show ();5, jump activity without parametersStartActivity (new Intent (listcomplicatetaskactivity. this, listcomplicatetaskactivity. class));6, with parameters jump activity

//Show Next viewMviewflipper.shownext ();return true;74}All else if ((E2.getx ()-e1.getx ()) >distance)76 {77//Show Previous viewMviewflipper.showprevious ();return true;80}Bayi return false;82}83@Overrideonlongpress void (motionevent e)86 {/TODO auto-generated Method stub8889}90@OverrideOnscroll Public Boolean (Motionevent E1, motionevent E2,Distancex float, float distancey)94 {Up//TODO auto-generated method stub--return false;97}98@Overridepublic void Onshowpress (Motionevent e)101 {102//TODO

View.onclicklistener ()74 {75@OverrideThe public void OnClick (View v)78 {/TODO auto-generated Method stub80//Show information returned from the serviceBayi Mtextview.settext (Mbinder.returnservice ());82}83});8485//Similar to the use of the handler classMserviceconnection = new Serviceconnection ()87 {88@Override90//When a connection is established with the service, this function is automatically calledonserviceconnected public void (componentname name, IBinder service)92 {/TODO auto-generated

paramsensor, int paramint) {TODO auto-generated Method Stub}};}First use the superimposed two pictures, one as the pointer, the other as the background four directions LXML file:Android:layout_width= "Match_parent"android:layout_height= "Match_parent" >Android:id= "@+id/compass_img"Android:layout_width= "Wrap_content"android:layout_height= "Wrap_content"Android:layout_centerinparent= "true"android:src= "@drawable/compass"/>Android:id= "@+id/arrow_img"Android:layout_width= "Wrap_content"android:

Android.content.intent;import android.os.Bundle; Import Android.os.handler;import Android.widget.imageview;public class StartActivity extends Activity {/** called when The activity is first created. */private final int splash_display_lenght = 3000; Delay three seconds @Overridepublic void OnCreate (Bundle savedinstancestate) { super.oncreate (savedinstancestate); Setcontentview (R.layout.start); New Handler (). postdelayed (New Runnable () { @Override public voi

The previous Android Concise development tutorial One: Overview briefly introduces the Android platform, this article describes how to install the Android development environment. Android