bluetooth dialer android

1. A little sentiment These two days of programming every day a null pointer exception, can not find the activity of what the exception, in short, a variety of not compile the implementation of the Times wrong exception, and in the written apk application escalation error, I was puzzled, Java anyhow to mention a mistake, Android is always unknown, this makes me very depressed, Although Android also has a sp

1. What Android is a software stack for mobile devices,includes a complete operating system, middleware, key applications, the underlying Linux kernel, security management, memory management, process management, power management, hardware drivers2. Dalvik VM and JVM comparisons3 . Common adb directives platform-tools/adb.exeadb.exe:android Debug Bridge Android Debug Bridges adb devices: List so connected de

Phone Dialer Development steps:1. Add the call permissions in the manifest file2. Call the core codeCreate a new Intent object Intent Intent_call = new Intent ();Add an action intent_call.setaction (Intent.action_call) for the intent object;Add Data Intent_call.setdata (Uri.parse ("Tel:" + phone number) for the intended object; Execution Intent StartActivity (Intent_call);Android Development process:

Specifies the style that is displayed for phones above the 3.0 version. VALUES-V14 specifies the style displayed for phones above 4.0. The portal file for the AndroidManifest.xml:android application. The components inside Android are declared. and related configuration information.Proguard-project.txt: Encrypts the current program used.ADB commandADB Android Debug Bridge

This article describes the development of Android Phone Dialer and SMS transmitter implementation methods. Share to everyone for your reference, specific as follows: Phone Dialer Realization principle: The user enters the telephone number, when clicks dials, by listens for the object capture, listens for the object through the text control obtains to the user t

corresponding space--focus--android--design/intent for adding controls in the interface in the startup control: Want to do one thing ==windows start Intent Intent = new Intent ();//Determine if the input is empty if ( Textutils.isempty (NUMMBERSTR)) {}----------------------------Android Click event 1. Create an internal class implementation Onclicklistener interface Override the OnClick () Method 2.

This example describes the implementation of the Android Phone Dialer. Share to everyone for your reference. Specifically as follows: The following cases simulate the implementation of the Android Phone Dialer List of Androidmanifest.xml lists Main.xml Layout file: Mainactivity class:

How to Use Android Bluetooth (Bluetooth details) and Android bluetoothI. Communication between bluetooth devices consists of four processes. Configure a bluetooth device to search for devices that may match in the LAN to connect t

); Fourth step: Open Intent startactivity (intent); 2. Four ways to implement the Click event: Inner classBtn_call.setonclicklistener (interface type new Myclicklistener ());Private Class Myclicklistener (View v) {Callphone ();} Anonymous inner classBtn_call.setonclicklistener (New Onclicklistener (View v) {Implement the OnClick () method that is not implemented in the Onclicklistener class Mainactivity implementation of Onclicklistener-------------for multiple buttonsBtn_call1.

This example analyzes the use of Phone Dialer developed by Android. Share to everyone for your reference, specific as follows: 1. Create a new Android project called Javacallphone, and build a Callphoneactivity.java class under Cn.csdn.hr.activity package 2. Open the layout under the Res main.xml layout, set the layout of the horizontal layout, and then from

Today follow the Dark Horse video to build an android app--Phone DialerStart a new Android projectThe code in Activity_main_xml is as follows:Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"Android:paddingbottom= "@dimen

= "+" />Ten uses-permissionAndroid:name= "Android.permission.CALL_PHONE"/> One A Application - Android:allowbackup= "true" - Android:icon= "@drawable/ic_launcher" the Android:label= "@string/app_name" - Android:theme= "@style/apptheme" > - Activity - Android:name= "Com.ccec.callphone.CallActivity" + Android:label= "@string/app_name" > - Intent-filter> + ActionAndroid:name= "Android.intent.action.MAIN" /> A at categ

(intposition, View Convertview, ViewGroup parent) {Contact Fruit=GetItem (position); View view; Viewholder Viewholder; if(Convertview = =NULL) {View= Layoutinflater.from (GetContext ()). Inflate (ResourceId,NULL); Viewholder=NewViewholder (); Viewholder.fruitnumber=(TextView) View.findviewbyid (R.id.number); Viewholder.fruitname=(TextView) View.findviewbyid (r.id.name); View.settag (Viewholder); } Else{View=Convertview; Viewholder=(Viewholder) View.gettag ();

item clicks here. The Action Bar would//automatically handle clicks on the Home/up button, so long//As you specify a the parent activity in Androidmanifest.xml. intID =Item.getitemid (); if(id = =r.id.action_settings) { return true; } return Super. onoptionsitemselected (item); } //implement click events for various controls@Override Public voidOnClick (View v) {Switch(V.getid ()) { CaseR.id.bt_dial:callphone (); Break; default: Break; } } //Implem

Function implementation: A EditView A dial button, enter the number to jump to the dial-up interfaceInterface layout: Activity_call.xmlLinear Vertical layout: One editview text, one button 1 Create method for Callactivity1 protected void OnCreate (Bundle savedinstancestate) {2 super.oncreate (savedinstancestate); 3 Setcontentview (R.layout.activity_call); 4 Button btn = (button) Findviewbyid (r.id.callsumbit); 5 Btn.setonclicklistener (new Onclicklistener () {6 7

activity in the program, we often use implicit invocation, that is, we do not directly specify the activity to jump, but instead provide some relevant parameters for intent. Let it automatically match the activity already in the Androidmanifest.xml (StartActivity () method is used here to implement the matching process), and Intentfilter (Intent filter) There are three main parameters in XML: Action,categary,data. For implicitly called Intent,android

Instead of starting with a systematic specialization in four major components, start the application immediately and initially plan to refresh all the common software on your phone.I often play on the phone, there are some more lol boxes, official assistants, video apps and other tools. Since the beginning of the 2011, the most first in the rise of the students in the Android smart machine, 999 Bucks bought a Huawei U8500. At that time, the students a

Mainactivity extends Activity {@Override protected void onCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);// Loading layout FilesSetcontentview (r.layout. Activity_main);// Find buttonButton bt_dail= (button) Findviewbyid (r.id. Bt_dail);// register a Click event for a buttonBt_dail.setonclicklistener (new MyListener ());} Private class MyListener implements Onclicklistener{/** * how the button is clicked*/@OverridePublic void OnClick (View arg0) {EditText et_n

; [android:id= "@+id/my_number" R file add an ID] - EditTextAndroid:id= "@+id/et_number"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:inputtype= "Phone" > EditText> [Direct extraction of string ctrl+1] - [The yellow exclamation mark cannot be met, clear the project] - [Layout_alignparentright: Aligns to the right of the parent form] - [android:layout_below= "@id/my_number": Located under this ID control, @idR This ID of the file] - [Na

1. Modify the visibility of the local Bluetooth device 2. Scan the available Bluetooth devices around Eg: I. configuration file adroidmanifest. xml: Ii. layout file: Main. xml: 3. mainactivity: Import android. app. activity; import android. bluetooth. export thadapter;