GMS版本拨号盘添加暗码

/packages/services/Telephony/src/com/android/phone/SpecialCharSequenceMgr.java
 static private boolean handleSecretCode(String input) {
        // Secret codes are in the form *#*#<code>#*#*
        int len = input.length();
//        if (len > 8 && input.startsWith("*#*#") && input.endsWith("#*#*")) {
        if (len > 8 && input.startsWith("*#") && input.endsWith("#*")) {
            final Phone phone = PhoneGlobals.getPhone();
            phone.sendDialerSpecialCode(input.substring(4, len - 4));
            return true;
        }
        return false;
    }

packages/apps/Settings/AndroidManifest.xml
       <receiver  android:name=".DialerReceiver"
            android:exported="true">
            <intent-filter>
                <action android:name="android.provider.Telephony.SECRET_CODE" />
                <data android:scheme="android_secret_code" android:host="7898" />
            </intent-filter>
        </receiver>

packages/apps/Settings/src/com/android/settings/DialerReceiver.java
package com.android.settings;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;



public class DialerReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        if ("android.provider.Telephony.SECRET_CODE".equals(intent.getAction())) {
            String host = intent.getData().getHost();
            Intent traIn = new Intent();
            if (host.equals("7898")) {
                traIn.setClassName("com.android.test","com.android.test.MainActivity");
                traIn.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                context.startActivity(traIn);
            }
        }
    }
}