StopSwitchDelay - Remove 5s Delay To Open Apps After Pressing Home Button

...
    // Amount of time after a call to stopAppSwitches() during which we will
    // prevent further untrusted switches from happening.
    static final long [COLOR="DeepSkyBlue"]APP_SWITCH_DELAY_TIME[/COLOR] = 5*1000;
...

    /**
     * The time at which we will allow normal application switches again,
     * after a call to {@link #stopAppSwitches()}.
     */
    long mAppSwitchesAllowedTime;
...

    public void [COLOR="Red"]stopAppSwitches()[/COLOR] {
        if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES)
                != PackageManager.PERMISSION_GRANTED) {
            throw new SecurityException("Requires permission "
                    + android.Manifest.permission.STOP_APP_SWITCHES);
        }
        
        synchronized(this) {
            mAppSwitchesAllowedTime = SystemClock.uptimeMillis()
                    + [COLOR="DeepSkyBlue"]APP_SWITCH_DELAY_TIME[/COLOR];
            mDidAppSwitch = false;
            mHandler.removeMessages(DO_PENDING_ACTIVITY_LAUNCHES_MSG);
            Message msg = mHandler.obtainMessage(DO_PENDING_ACTIVITY_LAUNCHES_MSG);
            mHandler.sendMessageDelayed(msg, APP_SWITCH_DELAY_TIME);
        }
    }
...

...

    /**
* A home key -> launch home action was detected. Take the appropriate action
* given the situation with the keyguard.
*/
    private void launchHomeFromHotKey() {
        // no keyguard stuff to worry about, just launch home!
        try {
            ActivityManagerNative.getDefault()[COLOR="Red"].stopAppSwitches()[/COLOR];
        } catch (RemoteException e) {
        }
        mContext.startActivity(mHomeIntent);
        sendCloseSystemWindows();
    }
...

    /**
* goes to the home screen
* @return whether it did anything
*/
    boolean goHome() {
        if (false) {
            // This code always brings home to the front.
            try {
                ActivityManagerNative.getDefault().[COLOR="Red"]stopAppSwitches()[/COLOR];
            } catch (RemoteException e) {
            }
            mContext.startActivity(mHomeIntent);
        } else {
            // This code brings home to the front or, if it is already
            // at the front, puts the device to sleep.
            try {
                ActivityManagerNative.getDefault().stopAppSwitches();
                int result = ActivityManagerNative.getDefault()
                        .startActivity(null, mHomeIntent,
                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
                                null, 0, null, null, 0, true /* onlyIfNeeded*/, false);
                if (result == IActivityManager.START_RETURN_INTENT_TO_CALLER) {
                    return false;
                }
            } catch (RemoteException ex) {
                // bummer, the activity manager, which is in this process, is dead
            }
        }
        sendCloseSystemWindows();
        return true;
    }