Simple Telephone Management and Short Message Management in Android
- 2021-07-09 09:13:58
- OfStack
android Telephone Manager (TelephonyManger) Instance:
TelephonyManger is a service class that manages telephone status and network information.
Add permissions:
<uses-permission
android:name="android.permission.READ_PHONE_STATE"/>
<uses-permission
android:name="android.permission.ACCESS_COARSE_LOCATION"/>
Logical function:
package com.example.telephonystatus;
import java.io.FileNotFoundException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.os.Bundle;
import android.app.Activity;
import android.content.Context;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.view.Menu;
import android.widget.ListView;
import android.widget.SimpleAdapter;
public class MainActivity extends Activity {
private ListView list1;
// Declare an array representing state names
private String[] statusName;
// Declare a collection of mobile phone status names
private ArrayList<String> statusValues = new ArrayList<String>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
list1 = (ListView) findViewById(R.id.list1);
// Object of the system TelephonyManager
TelephonyManager tele = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
// Gets an array of various state names
statusName = getResources().getStringArray(R.array.statusNames);
// Get SIM An array of card states
String[] simType = getResources().getStringArray(R.array.simState);
// Gets an array of telephone network types
String[] phoneType = getResources().getStringArray(R.array.phoneType);
// Get the device number
statusValues.add(tele.getDeviceId());
// Get the version of the system platform
statusValues.add(tele.getDeviceSoftwareVersion() != null ? tele
.getDeviceSoftwareVersion() : " Unknown ");
// Get the network operation code
statusValues.add(tele.getNetworkOperator());
// Get the name of the network operator
statusValues.add(tele.getNetworkOperatorName());
// Get the type of mobile phone network
statusValues.add(phoneType[tele.getPhoneType()]);
// Gets the location set to
statusValues.add(tele.getCellLocation() != null ? tele
.getCellLocation().toString() : " Unknown ");
// Get sim Country of card
statusValues.add(tele.getSimCountryIso());
// Get sim Serial number of the card
statusValues.add(tele.getSimSerialNumber());
// Get sim Status of card
statusValues.add(simType[tele.getSimState()]);
List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
for (int i = 0; i < statusValues.size(); i++) {
HashMap<String, Object> hasp = new HashMap<String, Object>();
hasp.put("name", statusName[i]);
hasp.put("values", statusValues.get(i));
list.add(hasp);
}
SimpleAdapter simple = new SimpleAdapter(this, list, R.layout.items,
new String[] { "name", "values" }, new int[] { R.id.text1,
R.id.text2 });
list1.setAdapter(simple);
// Create 1 Telephone listeners
PhoneStateListener listener = new PhoneStateListener() {
// Monitor phone call status
@Override
public void onCallStateChanged(int state, String incomingNumber) {
switch (state) {
// No state at all
case TelephonyManager.CALL_STATE_IDLE:
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
break;
// Incoming call ringing
case TelephonyManager.CALL_STATE_RINGING:
OutputStream os = null;
try {
os = openFileOutput("phoneList", MODE_APPEND);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
PrintStream ps = new PrintStream(os);
// Record the telephone number in the file
ps.println(new Date() + " Incoming call :" + incomingNumber);
ps.close();
break;
default:
break;
}
super.onCallStateChanged(state, incomingNumber);
}
};
tele.listen(listener, PhoneStateListener.LISTEN_CALL_STATE);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
android SMS Manager (SmsManager) Instance
Permissions that need to be registered:
<uses-permission android:name="android.permission.READ_CONTACTS"/>
<uses-permission android:name="android.permission.SEND_SMS"/>
Group text messaging function:
package com.android.xiong.groupsend;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.telephony.SmsManager;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;
public class MainActivity extends Activity {
private Button bt1, bt2;
private EditText ed1, ed2;
private SmsManager sManger;
List<String> sendList = new ArrayList<String>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bt1 = (Button) findViewById(R.id.bt1);
bt2 = (Button) findViewById(R.id.bt2);
ed1 = (EditText) findViewById(R.id.ed1);
ed2 = (EditText) findViewById(R.id.ed2);
// Get SmsManger
sManger = SmsManager.getDefault();
bt1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
for (String send : sendList) {
// Create PendIntent Object
PendingIntent ped = PendingIntent.getActivity(
MainActivity.this, 0, new Intent(), 0);
// Send a message
sManger.sendTextMessage(send, null, ed2.getText()
.toString(), ped, null);
}
// Prompt message has been sent
Toast.makeText(MainActivity.this, " After sending short messages in groups ", Toast.LENGTH_LONG)
.show();
}
});
bt2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// View the contact's phone number
final Cursor cursor = getContentResolver().query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
null, null, null, null);
BaseAdapter adapter = new BaseAdapter() {
@Override
public View getView(int position, View convertView,
ViewGroup parent) {
cursor.moveToPosition(position);
CheckBox rb = new CheckBox(MainActivity.this);
// Get the contact's phone number And remove the middle picture and space in the middle
String number = cursor
.getString(
cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER))
.replace("-", "");
rb.setText(number);
// If the number has been added to the sender list, it is checked by default
if (sendList.contains(number)) {
rb.setChecked(true);
}
return rb;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return cursor.getCount();
}
};
// Loading list.xml Corresponding to the layout file View
View selectView = getLayoutInflater().inflate(R.layout.item,
null);
final ListView listView = (ListView) selectView
.findViewById(R.id.list1);
listView.setAdapter(adapter);
new AlertDialog.Builder(MainActivity.this).setView(selectView).setPositiveButton(" Determine ", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// Empty sendList Set
sendList.clear();
// Traversal listView Each list item of the component
for(int i=0;i<listView.getCount();i++){
CheckBox checkBox=(CheckBox)listView.getChildAt(i);
// If this list item is checked
if(checkBox.isChecked()){
// Add to this list item
sendList.add(checkBox.getText().toString());
ed1.append(checkBox.getText().toString()+",");
}
}
}
}).show();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
<LinearLayout xmlns: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:orientation="vertical"
tools:context=".MainActivity" >
<EditText
android:id="@+id/ed1"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<EditText
android:id="@+id/ed2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
/>
<Button
android:id="@+id/bt2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text=" Get Contacts "/>
<Button
android:id="@+id/bt1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text=" Send a message "/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ListView
android:id="@+id/list1"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
</ListView>
</LinearLayout>