开机动画结束时增加振动提示

[DESCRIPTION]

进入待机界面的时候，增加一个500ms振动提示

[SOLUTION]

在进入launcher前增加振动功能solution：
振动500ms。
/php?mod=tag&id=6090" target="_blank" class="relatedlink">Frameworks/base/services/core/java/com/android/server/wm/WindowManagerService.java
//-------------add--------------------
// length of vibration before boot up
private static final int BOOTUP_VIBRATE_MS = 500;
private static final AudioAttributes VIBRATION_ATTRIBUTES = new
AudioAttributes.Builder()
.setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
.setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
.build();
//-------------add--------------------
6424 public void performEnableScreen() {
...
6483 mDisplayEnabled = true;
6484 if (DEBUG_SCREEN_ON || DEBUG_BOOT) Slog.i(TAG, "******************** ENABLING
SCREEN！");
//-------------add--------------------
1076 // vibrate before boot up
1077 Vibrator vibrator = new SystemVibrator();
1078 try {
1079 vibrator.vibrate(BOOTUP_VIBRATE_MS, VIBRATION_ATTRIBUTES);
1080 } catch (Exception e) {
1081 // Failure to vibrate shouldn't interrupt boot up. Just log it.
1082 Log.w(TAG, "Failed to vibrate during boot up.", e);
1083 }
//-------------add--------------------
6486 // Enable input dispatch.
6487 mInputMonitor.setEventDispatchingLw(mEventDispatchingEnabled);
/frameworks/base/services/core/java/com/android/server/VibratorService.java
391 private void startVibrationLocked(final Vibration vib) {
//将该部分注释掉
404 if (mode ！= AppOpsManager.MODE_ALLOWED) {
405 if (mode == AppOpsManager.MODE_ERRORED) {
406 Slog.w(TAG, "Would be an error: vibrate fROM uid " + vib.mUid);
407 }
408 //mtk Modify, do nothing with App related control in MTK solution
409 //mH.post(mVibrationRunnable);
410 return;
411 }
//将该部分注释掉

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