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How to make a phone call from your application

Wed, 07/21/2010 - 00:34 | by jozsi

SDK Version: 
M3

To enable your application to initiate a phone call, you must set permissions in the manifest file:

  1. <?xml version="1.0" encoding="utf-8"?>
  2. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
  3.       package="com.bubudsadasdas"
  4.       android:versionCode="1"
  5.       android:versionName="1.0">
  6.     <application android:icon="@drawable/icon" android:label="@string/app_name">
  7.         <activity android:name=".phonecalls"
  8.                   android:label="@string/app_name">
  9.             <intent-filter>
  10.                 <action android:name="android.intent.action.MAIN" />
  11.                 <category android:name="android.intent.category.LAUNCHER" />
  12.             </intent-filter>
  13.         </activity>
  14.  
  15.     </application>
  16.     <uses-sdk android:minSdkVersion="3" />
  17. <uses-permission android:name="android.permission.CALL_PHONE"></uses-permission>
  18. </manifest>

Now create a new activity with a call method. It should look like this:

  1. private void call() {
  2.     try {
  3.         Intent callIntent = new Intent(Intent.ACTION_CALL);
  4.         callIntent.setData(Uri.parse("tel:123456789"));
  5.         startActivity(callIntent);
  6.     } catch (ActivityNotFoundException e) {
  7.         Log.e("helloandroid dialing example", "Call failed", e);
  8.     }
  9. }

What happens when you start a phone call depends, in part, on the telephone network. The number may be incorrect. The network may be busy or otherwise unavailable. The call can be interrupted. Here, however, you see no error-handling logic, except for catching and logging exceptions that can be thrown if Android's system encounters a problem when finding applications that can process Intent objects.

Now call the call :) method in an empty activity:

  1. import android.app.Activity;
  2. import android.content.ActivityNotFoundException;
  3. import android.content.Intent;
  4. import android.net.Uri;
  5. import android.os.Bundle;
  6. import android.util.Log;
  7.  
  8. public class phonecalls extends Activity {
  9.     /** Called when the activity is first created. */
  10.     @Override
  11.     public void onCreate(Bundle savedInstanceState) {
  12.         super.onCreate(savedInstanceState);
  13.         setContentView(R.layout.main);
  14.         call();
  15.     }
  16.  
  17. private void call() {
  18.     try {
  19.         Intent callIntent = new Intent(Intent.ACTION_CALL);
  20.         callIntent.setData(Uri.parse("tel:123456789"));
  21.         startActivity(callIntent);
  22.     } catch (ActivityNotFoundException activityException) {
  23.          Log.e("helloandroid dialing example", "Call failed", e);
  24.     }
  25. }
  26.  
  27. }



Feel free to download the complete source code from here.

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Comments

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Actually, ain't that computer techie so I don't really understand the commands. I'm so thankful that you gave a pretty much clearer discussion on how to make phone call from my application.Anthony Cole
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antonyk | Mon, 03/14/2011 - 06:14.

The coding is nice, i saw another example too from a site http://android-codes-examples.blogspot.com/2011/03/make-phone-call-using-android-code-in.html

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How to cancel a call

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Can anyone help me in getting the code to cancel an incoming call. Couldnt find anything in TelephoneManager.

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millermax | Fri, 08/27/2010 - 20:13.

Good info, I had never known how to make a call from an application. Next on my list is creating my own personal ringtone, although I know that will be a big less complicated.

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Anthony Cole | Sat, 08/07/2010 - 01:31.

Actually, ain't that computer techie so I don't really understand the commands. I'm so thankful that you gave a pretty much clearer discussion on how to make phone call from my application.Anthony Cole

Doesn't need permission!

klausw | Wed, 08/04/2010 - 16:17.

You don't need to ask for the "CALL_PHONE" permission unless you need to bypass the dialer. When you use the intent without the permission, the dialer will show the number but won't call yet, and the user can then choose to call (or save) the number.

Please help stamp out permission creep and don't ask for unnecessary ones, it discourages users from installing your application. See http://developer.android.com/reference/android/content/Intent.html for more information.

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