How to block/unblock all incoming/outgoing calls/text messages in android?

Question

I am developing an android application for teenagers, they can not do/receive any incoming/outgoing calls/text messages during driving and also they can change status either he/she is driving or not. In my application I want to handle both situations Block/Unblock incoming/outgoing calls/text messages. If you have any idea related to this question than please share with me.

Thanks.

Answer 1

After 8 Hours R&D I found my Own Solution for my above question:

Manifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.deactivateimservicedemo"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="19" />

    <uses-feature android:name="android.hardware.telephony" />

    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" />
    <uses-permission android:name="android.permission.CALL_PHONE" />

    <!-- For Incoming Text messages -->

    <uses-permission android:name="android.permission.RECEIVE_SMS" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.deactivateimservicedemo.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

activity_main.xml

<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="horizontal"
    tools:context="com.example.deactivateimservicedemo.MainActivity$PlaceholderFragment" >

    <Button
        android:id="@+id/btnActivate"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Activate" />

    <Button
        android:id="@+id/btnDeactivate"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Deactivate" />

</LinearLayout>

MainActivity.java

package com.example.deactivateimservicedemo;

import java.lang.reflect.Method;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

import com.android.internal.telephony.ITelephony;

public class MainActivity extends ActionBarActivity {

    private Button btnActivate, btnDeactivate;
    private BroadcastReceiver receiver;
    private IntentFilter filter;
    private boolean isReceiverRegistered;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btnActivate = (Button) findViewById(R.id.btnActivate);
        btnActivate.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View arg0) {
                /*Register Receiver*/
                registerReceiver(receiver, filter);
                isReceiverRegistered = true;
            }
        });

        btnDeactivate = (Button) findViewById(R.id.btnDeactivate);
        btnDeactivate.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                /*UnRegister Receiver*/
                if(isReceiverRegistered){
                    Log.i("Receiver is", "Register");
                    unregisterReceiver(receiver);
                }else {
                    Log.i("Receiver is", "Not Register");
                }
            }
        });

        filter = new IntentFilter();
        filter.addAction("android.intent.action.PHONE_STATE");
        filter.addAction("android.provider.Telephony.SMS_RECEIVED");

        receiver = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {
                String action = intent.getAction();
                Log.i("Intent Action", action);
                if(intent!=null){
                    if(action.equals("android.intent.action.PHONE_STATE")){
                        try {
                            TelephonyManager tm = (TelephonyManager) context
                                    .getSystemService(Context.TELEPHONY_SERVICE);
                            Class<?> c = Class.forName(tm.getClass().getName());
                            Method m = c.getDeclaredMethod("getITelephony");
                            m.setAccessible(true);
                            com.android.internal.telephony.ITelephony telephonyService = (ITelephony) m
                                    .invoke(tm);
                            telephonyService.endCall();
                        } catch (Exception e) {
                            Log.e("Exception", e.toString());
                        }
                    }else if(action.equals("android.provider.Telephony.SMS_RECEIVED")){
                        Bundle extras = intent.getExtras();
                        if (extras != null) {
                            abortBroadcast();
                        }
                    }
                }
            }
        };
    }

    @Override
    protected void onDestroy() {
        btnDeactivate.performClick();
        super.onDestroy();
    }
}

That's IT.