Android 2.2 obtains contacts, calls, and dials

This demo is the first Android-based development.

The main functions include reading the contact name and number, displaying the lisetview, obtaining listview data, concurrent text messages, or dialing.

 

Package com. Android. Hello;

Import Android. App. activity;
Import Android. content. intent;
Import Android. database. cursor;
Import Android. Graphics. color;
Import android.net. Uri;
Import Android. OS. Bundle;
Import Android. telephony. phonenumberutils;
Import Android. util. log;
Import Android. View. view;
Import Android. widget. adapterview;
Import Android. widget. linearlayout;
Import Android. widget. listadapter;
Import Android. widget. listview;
Import Android. widget. relativelayout;
Import Android. widget. textview;
Import Android. widget. Toast;
Import Android. provider. contactscontract;

Import java. util. arraylist;
Import java. util. hashmap;
Import Android. widget. simpleadapter;

@ Suppresswarnings ("deprecation ")
Public class Hello extends activity {
/** Called when the activity is first created .*/
// @ Suppresswarnings ("deprecation ")
// @ Override
//
Private Static final string tag = "app ";
Listview;
Listadapter adapter;
/** Called when the activity is first created .*/
@ Override
Public void oncreate (bundle savedinstancestate ){
Super. oncreate (savedinstancestate );
// Setcontentview (R. layout. Main );
Linearlayout = new linearlayout (this );
Linearlayout. setorientation (linearlayout. Vertical );
Linearlayout. setbackgroundcolor (color. Black );
Linearlayout. layoutparams Param = new linearlayout. layoutparams (linearlayout. layoutparams. fill_parent, linearlayout. layoutparams. wrap_content );

Listview = new listview (this );
Listview. setbackgroundcolor (color. Black );

Linearlayout. addview (listview, Param );

This. setcontentview (linearlayout );


// Generate a dynamic array and add data
Arraylist Arraylist Cursor cursor = getcontentresolver (). Query (contactscontract. Contacts. content_uri, null );
While (cursor. movetonext ())
{
Hashmap <string, Object> map = new hashmap <string, Object> ();
String phonename = cursor. getstring (cursor. getcolumnindex (contactscontract. Contacts. display_name ));
Map. Put ("itemtitle", phonename); // telephone name
String contactid = cursor. getstring (cursor. getcolumnindex (contactscontract. Contacts. _ id ));
String hasphone = cursor. getstring (cursor. getcolumnindex (contactscontract. Contacts. has_phone_number ));

If (hasphone. compareto ("1") = 0)
{
Cursor phones = getcontentresolver (). Query (contactscontract. commondatakinds. Phone. content_uri, null, contactscontract. example. Phone. contact_id + "=" + contactid, null, null );
While (phones. movetonext ())
{
String phonenumber = phones. getstring (phones. getcolumnindex (contactscontract. commondatakinds. Phone. Number ));
String phonetpye = phones. getstring (phones. getcolumnindex (contactscontract. commondatakinds. Phone. Type ));

Map. Put ("itemtext", phonenumber); // how to handle multiple numbers

Log. D (TAG, "testnum =" + phonenumber + "type:" + phonetpye );
}
Phones. Close ();
}
Cursor emails = getcontentresolver (). Query (contactscontract. commondatakinds. Email. content_uri, null, contactscontract. Contents. Email. contact_id + "=" + contactid, null, null );
While (emails. movetonext ())
{
String emailaddress = emails. getstring (emails. getcolumnindex (contactscontract. commondatakinds. Email. Data ));
String emailtype = emails. getstring (emails. getcolumnindex (contactscontract. commondatakinds. Email. Type ));

Log. D (TAG, "testnum =" + emailaddress + "type:" + emailtype );
}
Emails. Close ();

Listitem. Add (MAP );
}

// Generate the element corresponding to the item and dynamic array of the adapter
Simpleadapter listitemadapter = new simpleadapter (this, listitem, // Data Source
Android. R. layout. simple_list_item_2, // XML Implementation of listitem
// Subitem of the dynamic array and imageitem
New String [] {"itemtitle", "itemtext "},
// An imageview in the XML file of imageitem, two textview IDS
New int [] {Android. R. Id. text1, Android. R. Id. text2}
);

Listview. setadapter (listitemadapter );
Cursor. Close ();

// Listview. setemptyview (findviewbyid (R. Id. Empty ));

Listview. setonitemselectedlistener (New adapterview. onitemselectedlistener (){

Public void onitemselected (adapterview <?> Arg0, view arg1,
Int arg2, long arg3 ){
// Todo auto-generated method stub
// Opentoast ("scroll to:" + arg0.getselecteditemid ());
// Send SMS
Settitle ("select" + arg2 + "project ");
Opentoast ("select" + arg0.getselecteditemid () + "project ");
Relativelayout LR = (relativelayout) arg1;
Textview mtext = (textview) LR. getchildat (1 );
Opentoast (mtext. gettext (). tostring ());

String number = mtext. gettext (). tostring ();
Log. D (TAG, "Number =" + number );
// Determine the validity of the phone number
If (phonenumberutils. isglobalphonenumber (number )){
Intent intent = new intent (intent. action_sendto, Uri
. Parse ("smsto: //" + number ));
Intent. putextra ("sms_body", "the SMS text ");
Startactivity (intent );
}
}

Public void onnothingselected (adapterview <?> Arg0 ){
// Todo auto-generated method stub

}

});

Listview. setonitemclicklistener (New adapterview. onitemclicklistener (){

Public void onitemclick (adapterview <?> Arg0, view arg1,
Int position, long arg3 ){
// Todo auto-generated method stub
// Opentoast ("click" + integer. tostring (Position + 1) + "project ");
Relativelayout LR = (relativelayout) arg1;
Textview mtext = (textview) LR. getchildat (1 );
Opentoast (mtext. gettext (). tostring ());

String number = mtext. gettext (). tostring ();
Log. D (TAG, "Number =" + number );
// Determine the validity of the phone number
If (phonenumberutils. isglobalphonenumber (number )){
Intent intent = new intent (intent. action_dial, Uri
. Parse ("Tel: //" + number ));
Startactivity (intent );
}
}
});
}
 
Private void opentoast (string Str ){
Toast. maketext (this, STR, Toast. length_short). Show ();
}
}