RK:SIM卡状态显示、隐藏设置搜索栏

一.锁屏状态下屏幕左上角出现“没有sim卡”

1.1."No SIM Card"  keyguard_missing_sim_message_short

1.2.隐藏

--- a/frameworks/base/packages/Keyguard/src/com/android/keyguard/CarrierText.java
+++ b/frameworks/base/packages/Keyguard/src/com/android/keyguard/CarrierText.java
@@ -184,7 +184,7 @@ public class CarrierText extends TextView {
         if (!anySimReadyAndInService && WirelessUtils.isAirplaneModeOn(mContext)) {
             displayText = getContext().getString(R.string.airplane_mode);
         }
-        setText(displayText);
+        setText("");
     }

1.3.模块信号显示 在 CarrierText.java 大有可为

 二.设置 搜索栏 packages\apps\Settings\src\com\android\settings\SettingsActivity.java

2.1. image 资源在  framework 的 res/menu 这东西是画出来的

2.2.Search 控件加载 

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        if (!mDisplaySearch) {
            return false;
        }

        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.options_menu, menu);

        // Cache the search query (can be overriden by the OnQueryTextListener)
        final String query = mSearchQuery;

        mSearchMenuItem = menu.findItem(R.id.search);
        mSearchView = (SearchView) mSearchMenuItem.getActionView();

        if (mSearchMenuItem == null || mSearchView == null) {
            return false;
        }

        if (mSearchResultsFragment != null) {
            mSearchResultsFragment.setSearchView(mSearchView);
        }

        mSearchMenuItem.setOnActionExpandListener(this);
        mSearchView.setOnQueryTextListener(this);
        mSearchView.setOnCloseListener(this);

        if (mSearchMenuItemExpanded) {
            mSearchMenuItem.expandActionView();
        }
        mSearchView.setQuery(query, true /* submit */);

        return true;
    }