MTK6589雙卡撥打電話選擇哪張卡及獲得預設卡的接口

1雙卡撥打電話選擇哪張卡

int slot;
			//sim1  slot=0  
			//sim2  slot=1
			//defaultSim  slot=-1
			Uri uri = Uri.parse("tel:[phone]");
			Intent intent = new Intent("android.intent.action.CALL", uri);
			intent.putExtra("com.android.phone.extra.slot",slot);
			startActivity(intent);
           

2. 獲得預設卡的接口

long defaultSim = Settings.System.getLong(getContentResolver(),
			    		"voice_call_sim_setting",-5);