Telephonymanager Management of The Blacklist

Import java.lang.reflect.InvocationTargetException;
Import Java.lang.reflect.Method;
Import java.util.ArrayList;

Import Android.os.Bundle;
Import Android.os.IBinder;
Import android.os.RemoteException;
Import Android.provider.ContactsContract;
Import android.app.Activity;
Import Android.app.AlertDialog;
Import Android.content.Context;
Import Android.content.DialogInterface;
Import Android.database.Cursor;
Import Android.telephony.PhoneStateListener;
Import Android.telephony.TelephonyManager;
Import Android.view.Menu;
Import Android.view.View;
Import Android.view.ViewGroup;
Import Android.view.View.OnClickListener;
Import Android.widget.BaseAdapter;
Import Android.widget.CheckBox;
Import Android.widget.ListView;

public class Blockmain extends Activity {
List of record blacklist
arraylist<string> blocklist = new arraylist<string> ();
Telephonymanager Tmanager;
Listener listening on call status
Customphonecalllistener Cplistener;
public class Customphonecalllistener extends phonestatelistener{
@Override
public void oncallstatechanged (int state, String incomingnumber) {
Switch (state) {
Case Telephonymanager.call_state_idle:
Break
Case Telephonymanager.call_state_offhook:
Break
Phone call-In
Case telephonymanager.call_state_ringing:
If the number belongs to the blacklist
if (Isblock (Incomingnumber)) {
try {
method = Class.forName ("Android.os.ServiceManager")
. GetMethod ("GetService", String.class);
Gets the proxy for the remote Telephony_service IBinder object
IBinder binder = (ibinder) method.invoke (NULL,
New Object[]{telephony_service});
To convert a proxy for a IBinder object to a Itelephony object
Itelephony telephony = ITelephony.Stub.asInterface (binder);
Hang up the phone
Telephony.endcall ();
} catch (Nosuchmethodexception e) {
E.printstacktrace ();
} catch (ClassNotFoundException e) {
E.printstacktrace ();
} catch (IllegalArgumentException e) {
E.printstacktrace ();
} catch (Illegalaccessexception e) {
E.printstacktrace ();
} catch (InvocationTargetException e) {
E.printstacktrace ();
} catch (RemoteException e) {
E.printstacktrace ();
}
}

Default
Break
}
Super.oncallstatechanged (state, Incomingnumber);
}
}

@Override
protected void OnCreate (Bundle savedinstancestate) {
Super.oncreate (savedinstancestate);
Setcontentview (R.layout.activity_block_main);
Get the system's Telephonymanager Manager
Tmanager = (Telephonymanager) getsystemservice (Context.telephony_service);
Cplistener = new Customphonecalllistener ();
Monitor the change of call status via Telephonymanager
Tmanager.listen (Cplistener, phonestatelistener.listen_call_state);
Gets the program's button and binds the listener for its Click event
Findviewbyid (R.id.managerblock). Setonclicklistener (New Onclicklistener () {

@Override
public void OnClick (View v) {
Query the phone number of the contact person
Final cursor cursor = getcontentresolver (). Query (
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
NULL, NULL, NULL, or NULL);
Baseadapter adapter = new Baseadapter () {

@Override
Public View GetView (int position, View Convertview, ViewGroup parent) {
Cursor.movetoposition (position);
CheckBox RB = new checkbox (blockmain.this);
Get the phone number of the contact and remove the middle underline
String number = cursor.getstring (cursor
. Getcolumnindex (Contactscontract.
CommonDataKinds.Phone.NUMBER). Replace ("-", "" ");
Rb.settext (number);
If the number has been blacklisted, the number is checked by default
if (Isblock (number)) {
Rb.setchecked (TRUE);
}
return RB;
}

@Override
public long getitemid (int position) {
return position;
}

@Override
Public Object getItem (int position) {
return position;
}

@Override
public int GetCount () {
return Cursor.getcount ();
}
};
Loads the view of the List.xml layout file object
View Selectview = Getlayoutinflater (). Inflate (r.layout.list, NULL);
Gets the ListView component named List in the Selectview
Final ListView ListView = (ListView) Selectview.findviewbyid (r.id.list);
Listview.setadapter (adapter);
New Alertdialog.builder (Blockmain.this). Setview (Selectview)
. Setpositivebutton ("OK", new Dialoginterface.onclicklistener () {

@Override
public void OnClick (Dialoginterface dialog, int which) {
Emptying the Blocklist collection
Blocklist.clear ();
Iterate through each list item of a ListView component
for (int i = 0; I<listview.getcount (); i++) {
CheckBox checkbox = (checkbox) listview.getchildat (i);
If the list item is checked
if (checkbox.ischecked ()) {
Add the phone number of the list item
Blocklist.add (Checkbox.gettext (). toString ());
}
}
System.out.println (blocklist);
}
}). Show ();
}
});
}

Determine if a phone number is in the blacklist
public boolean isblock (String phone) {
for (String s1:blocklist) {
if (s1.equals (phone)) {
return true;
}
}
return false;
}

}

Telephonymanager Management of The Blacklist