Android :: How To Accept An Incoming Call By Clicking A Button

May 6, 2010

I'm trying to implement my own phone call handling UI. What I want to do is, if a call comes in, the incoming telephone number and a picture are displayed, and, if I press a button, the incoming call will be accepted/answered.

Sadly, the code does not work. At first, an exception is thrown if I press my answer button:
ActivityNotFoundException: No Activity found to handle Intent {act=android.intent.action.ANSWER

Then I added an entry in the AndroidManifest.xml: I run the app again, there is no exception anymore. However, I doubt the incoming call is not really accepted. Because if the press the Android's screen answer button (green button), the incoming call is accepted and a green in call icon is also displayed on the upper left corner of the emulator screen, while my app doesn't.

I also read the Phone app's source code in android source. There is method such as acceptCall() in the Phone class. But these codes seem difficult for me to use, because there are many imports declaration in the code, such as :

import com.android.internal.telephony.Call;
import com.android.internal.telephony.CallStateException;
import com.android.internal.telephony.CallerInfo;
import com.android.internal.telephony.CallerInfoAsyncQuery;
import com.android.internal.telephony.Connection;
import com.android.internal.telephony.MmiCode;
import com.android.internal.telephony.Phone;

And, if I add these imports in my code, there will be too many errors, such as : "The import com.android.internal.telephony cannot be resolved" What is the right and simple way for my problem?

Android :: How to accept an incoming call by clicking a button


KitKat 4.4 :: Answering Incoming Call By Tapping On Accept Button Screen

Mar 11, 2014

I upgraded to KitKat 4.4.2 (Samsung Galaxy S4) and the "touch to answer" is enabled again.

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When I used Android 4.2.2 it was working fine. I don't want to use this !!!!

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Sep 24, 2010

2.2 froyo OTA
rooted, virtuous 2.7 + custom kernal
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It is very sporatic but happens quite frequently. Sometimes i will see an incoming call, hear the ringer, then when i click "Accept" it appears to be connected, but i hear dead silence. Then about 10 seconds later the call is ended. It may happen a few times in a row, and it also may not happen. I never have any issues dialing out though. I know the people calling me, and sometimes it is people who don't call regularly. They wouldn't play games like prank call me.

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Jan 11, 2010

Sometimes when I get a phone call, I get the Accept / Decline Buttons on my phone. Other times, I don't get these options and only a choice to slide the screen to unlock to answer. This has been annoying, sometimes difficult to answer, and at times I have missed calls. I read in another post that I can simply click the: Green button / Red Button on the phone to answer or send to voicemail.

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Nov 24, 2010

I started a small android application to learn. I placed an input text and button on the screen. That shows on the emulator. After i press the button(which has an onClickListener) the application cracks and tells me on the screen of the emulator : "The application... has stopped unexpectably.Try again" and i have a "Force close", which of course closes the application.
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this is the layout/main.xml code...

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Nov 17, 2010

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Highlight Selected Item Background After Clicking Back Button

Apr 18, 2013

I have to develop one android application.

Here is the scenario:There are many images in a linearlayout. When selected, the layout should be displayed with another(gradient_bg_hover.xml) background. This works well now.

Now, I would like that when I open a new activity and come back to this one, the last selected layout should still be the highlighted one (with the (gradient_bg_hover.xml) background).

Now i have used below code for highlighting the image when pressed:

[HIGH]
LinearLayout ar = new LinearLayout(this);
ar.setOrientation(LinearLayout.VERTICAL);
ar.setPadding(3, 3, 3, 3);
ar.setLayoutParams(artiLayoutParams);
ar.setGravity(Gravity.CENTER);
ar.setBackgroundColor(Color.parseColor("#666666")) ;

[Code]...

In OnClick function i have wrote the below code:

[HIGH]
private OnClickListener mArticleClick = new OnClickListener()
{
@Override
public void onClick ( View v )
{
int object = v.getId();
v.setSelected(true);

[Code]...

Here i have to clicked one item means it is go to next activity.afterthat i have clicked back button means the selected item is stay on highlighted with another background.afterthat i have selected another item means its go to next activity.now i have to click back button means these item only highlight with background....but the pervious item also highlighted....

I wish to need the o/p like :

The last selected item only highlighted after click the back button...

So i have used sharedpreferences :

I have declared int prevPosition = -1; globally...

[HIGH]
ar = new LinearLayout(this);
ar.setOrientation(LinearLayout.VERTICAL);
ar.setPadding(3, 3, 3, 3);
ar.setLayoutParams(artiLayoutParams);
ar.setGravity(Gravity.CENTER);

[Code]...

In Onclick method:

[HIGH]
private OnClickListener mArticleClick = new OnClickListener()
{
@Override
public void onClick ( View v )
{
int object = v.getId();

[Code]...

But my background color is not staying after press the back button...

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Aug 19, 2010

How to open the ContextMenu in Android by Clicking a Button?

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