拨打电话

        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_CALL);
        intent.setData(Uri.parse("tel:"+"10086"));
        startActivity(intent);

<uses-permission android:name="android.permission.CALL_PHONE"></uses-permission>

 打开拨号器并拨出号码

 

        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_DIAL);
        startActivity(intent);

只打开拨号器