android2.3 之后 接听来电代码

if(android.os.Build.VERSION.SDK_INT >=15 )

{

Intent meidaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);  

KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_HEADSETHOOK);  

meidaButtonIntent.putExtra(Intent.EXTRA_KEY_EVENT,keyEvent);  

context.sendOrderedBroadcast(meidaButtonIntent, null);  

}

else

{

// 以下适用于Android2.3及2.3以上的版本上 ，但测试发现4.1系统上不管用。

Intent localIntent1 = new Intent(Intent.ACTION_HEADSET_PLUG);  

localIntent1.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);  

localIntent1.putExtra("state", 1);  

localIntent1.putExtra("microphone", 1);  

localIntent1.putExtra("name", "Headset");  

context.sendOrderedBroadcast(localIntent1,  "android.permission.CALL_PRIVILEGED");  

Intent localIntent2 = new Intent(Intent.ACTION_MEDIA_BUTTON);  

KeyEvent localKeyEvent1 = new KeyEvent(KeyEvent.ACTION_DOWN,   KeyEvent.KEYCODE_HEADSETHOOK);  

localIntent2.putExtra(Intent.EXTRA_KEY_EVENT,   localKeyEvent1);  

context. sendOrderedBroadcast(localIntent2,  "android.permission.CALL_PRIVILEGED"); 

Intent localIntent3 = new Intent(Intent.ACTION_MEDIA_BUTTON);  

KeyEvent localKeyEvent2 = new KeyEvent(KeyEvent.ACTION_UP,  KeyEvent.KEYCODE_HEADSETHOOK);  

localIntent3.putExtra(Intent.EXTRA_KEY_EVENT,  localKeyEvent2);  

context.sendOrderedBroadcast(localIntent3,   "android.permission.CALL_PRIVILEGED");  

Intent localIntent4 = new Intent(Intent.ACTION_HEADSET_PLUG);  

localIntent4.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);  

localIntent4.putExtra("state", 0);  

localIntent4.putExtra("microphone", 1);  

localIntent4.putExtra("name", "Headset");  

context.sendOrderedBroadcast(localIntent4, "android.permission.CALL_PRIVILEGED");

}