Tuesday, May 28, 2013

Incoming Call Reciever In Android

Learn Android Development

In previous I discussed about how to handle incoming call or how to listen for Incoming call using Activity, In this post I will discuss the same using Broadcast Receiver.

Broadcast Receiver is  better way than Activity to listen for Incoming Calls.

So declare the Permission and Receiver in Manifest

Permission Required:

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

Declare the receiver and register it to listen "android.intent.action.PHONE_STATE"  action


<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    android:versionName="1.0" >

        android:targetSdkVersion="16" />
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />

        android:theme="@style/AppTheme" >
        <receiver android:name=".IncommingCallReceiver" android:enabled="true">
                                     <action android:name="android.intent.action.PHONE_STATE" />



Incoming Call Receiver

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.telephony.TelephonyManager;
import android.widget.Toast;

 public class IncommingCallReceiver extends BroadcastReceiver
      Context mContext;
      public void onReceive(Context mContext, Intent intent)
              String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);

                   Toast.makeText(mContext, "Phone Is Ringing", Toast.LENGTH_LONG).show();
                   // Your Code
                   Toast.makeText(mContext, "Call Recieved", Toast.LENGTH_LONG).show();
                       // Your Code
              if (state.equals(TelephonyManager.EXTRA_STATE_IDLE))
                  Toast.makeText(mContext, "Phone Is Idle", Toast.LENGTH_LONG).show();
                      // Your Code
          catch(Exception e)
              //your custom message





Advance Android Topics

                   Customizing Toast In Android 
                   Showing Toast for Longer Time
                   Customizing the Display Time of Toast
                   Using TimePickerDialog and DatePickerDialog In android
                   Animating A Button In Android
                    Populating ListView With DataBase

                    Customizing Checkboxes In Android 
                    Increasin Size of Checkboxes
                    Android ProgressBar
                    Designing For Different Screen Sizes
                    Handling Keyboard Events 

More Android Topics:

Android : Introduction

       Eclipse Setup for Android Development

                     Configuring Eclipse for Android Development

          Begging With Android

                     Creating Your First Android Project
                     Understanding Android Manifest File of your android app

         Working With Layouts

                      Understanding Layouts in Android
                          Working with Linear Layout (With Example)
                                Nested Linear Layout (With Example)
                          Table Layout
                          Frame Layout(With Example)
                         Absolute Layout
                         Grid Layout


                     Activity In Android
                     Activity Life Cycle
                     Starting Activity For Result
                     Sending Data from One Activity to Other in Android
                     Returning Result from Activity

     Working With Views

                     Using Buttons and EditText in Android 
                     Using CheckBoxes in Android 
                     Using AutoCompleteTextView in Android
                     Grid View


                     Customizing Toast In Android
                     Customizing the Display Time of Toast
                     Customizing Toast At Runtime
                     Adding Image in Toast
                     Showing Toast for Longer Time

     Dialogs In Android

                     Working With Alert Dialog
                     Adding Radio Buttons In Dialog
                     Adding Check Boxes In Dialog
                     Creating Customized Dialogs in Android
                    Adding EditText in Dialog

                   Creating Dialog To Collect User Input

                 DatePicker and TimePickerDialog

                              Using TimePickerDialog and DatePickerDialog In android

    Working With SMS

                  How to Send SMS in Android
                  How To Receive SMS
                  Accessing Inbox In Android


               Populating ListView With DataBase

      Menus In Android

                    Creating Option Menu
                    Creating Context Menu In Android


                    Using Telephony Manager In Android

     Working With Incoming Calls

                    How To Handle Incoming Calls in Android
                    How to Forward an Incoming Call In Android
                   CALL States In Android


                   Notifications In Android
                   How To Vibrate The Android Phone
                   Sending Email In Android
                  Opening a webpage In Browser
                   How to Access PhoneBook In Android
                   Prompt User Input with an AlertDialog

   Storage:  Storing Data In Android

               Shared Prefferences  In Android

                             SharedPreferences In Android

               Files: File Handling In Android

                              Reading and Writing files to Internal Stoarage
                              Reading and Writing files to SD Card 

                DataBase : Working With Database

                             Working With Database in Android
                             Creating Table In Android
                             Inserting, Deleting and Updating Records In Table in Android
                             How to Create DataBase in Android
                             Accessing Inbox In Android

     Animation In Android:

                  Animating A Button In Android


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