[android-beginners] how to do call interception

Hello all. Please give me some advice after you read the message below. Originally, the purpose of a call button is making a call through network such as GSM, CDMA network etc. But I want to give a option to users to choose VoIP call or general call when they push call button. Is it possible?

[android-beginners] emulator stopped during orientation converting

Hello all! I implemented image and text using RelativeLayout. Here is xml code. ?xml version=1.0 encoding=utf-8? RelativeLayout xmlns:android=http://schemas.android.com/apk/res/ android android:layout_width=fill_parent android:layout_height=fill_parent