transfer contacts from old android to new android

;ImportAndroid.widget.TextView; Public classExitextendsActivityImplementsonclicklistener{Button exitbtn; Button returnbtn; TextView Name; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate); Setcontentview (R.layout.activity_exit); EXITBTN=(Button) Findviewbyid (R.ID.EXITBTN); RETURNBTN=(Button) Findviewbyid (R.ID.RETURNBTN); Name=(TextView) Findviewbyid (r.id.name); String name=getintent (). Getextras (). getString ("name"); Name

Android development, often in the Java code and the JNI layer passed between the array (byte[]), a typical application is the Java layer to send the data sent to the client stream to the JNI layer, by the JNI layer socket code sent out, of course, The JNI layer also needs to return the data stream received from the socket to the Java layer. I summarized briefly, from the Java layer to the JNI layer, from the JNI layer to the Java layer, there are 3 ki

For example, interface a passes value to interface b1. Interface a considerations:(1) Intent put different types of parameters with the same name parameter the last one will overwrite the previous parameter (one parameter name can only correspond to one parameter value, and multiple parameters will be overwritten by the last parameter)2. Interface B Considerations:(2) Intent get different types of parameters, only if interface a put the parameters of the type, B interface to get to the value, ot

The first is the call service for the system clipboard:Clipboardmanager Clipboardmanager=getsystemservice (Context.clipboard_service);Then it is written, taken out.It is important to note that before Android version 11, the use of the Clipboard to pass data using the SetText and GetText methods, but after version 11, the two GetText and set methods are discarded, instead of the need to use the Clipdata object to pass the data. Compared with the GetTex

Set values by Putextra, get values by GetextraPutextra need to set the key-value pair, Getextra by the corresponding key to get the passed value (directly between the Getextra plus the value type you want to get)1. Open another activity in one activity through Startactivityforresult ()2. This method usually receives two parameters, the first one is the intent object, the second is the Requestcode3. In the first activity, rewrite the Onactivityresult method, by switch to determine the transmitted

Android Strings.xml to Csv/excel Mutual transfer5068698356278233Xls_xml LangtoolOmni Can! Very smooth, able, basic settings are, energy efficient;RR-Set full, also relatively clean, but recently the task is very bad, no one button cleanup buttonsLingeaos lack of customization, not too smooth, OKCrdroid--Official version No ads, set full, but recently the task sucks, very power consumption, the focus is the small program card, the crash restart, flashy

For example, Aurora registration to obtain the user's unique identification ID needs to be passed at login, to implement the specified user push function of the message 1 public String ID; 2 3 public String getId () { 4 return ID; 5 } 6 7 public void SetId (String id) { 8 this . ID = ID; 9 } 1 // Initialize Aurora push 2 Jpushinterface.setdebugmode (true); 3 Jpushinterface.init (this); 4 5 id = Jpushinterface.getregistrationid (Getapplicationcontext

I. Public Intent PutExtra (String name, double[] value)Set Method Intent.putextra ("AAA", "bbbb");Get Method This.getintent (). Getcharsequenceextra ("AAA")Ii. public Intent Putextras (Bundle extras)Setup MethodBUNDLE BD = new bundle ();bd.putstring ("AAA", "bbbb");Intent.putextras (BD);Get MethodBundle bd=this.getintent (). Getextras ();bd.getstring ("AAA")); Iii. SummaryThe band S has to bind the data through a bundle.---Putextra and Putextras of

Ontach Introduction Ontach is the foundation of the entire event mechanism in the Android system. Other events in Android, such as OnClick and Onlongclick, are based on Ontach. The Ontach includes the entire process of pressing from the fingers to the screen of the cell phone, in microscopic form, as Action_down, Action_move and action_up. The two main definitions of Ontach are as follows: 1. In custom

According to a recent leaked code, the latest Android 4.3 jelly beans System will support applications and widgets sorted according to the frequency of usage, rather than just the current default by alphabetical ordering. The Myce site first discovered this particular feature in Google's launcher code of Chromebook pixel, rather than the new features found in previous leaked versions of the

Eclipse + ADT new Android project Errors running builder 'android Resource manager' solution, adtandroid It is also disgusting. Android Studio is not used to it. It installs the latest version of Eclipse, and then installs the ADT plug-in. Open Eclipse normally, create an andro