Android rom开发：不显示系统的电池信息

frameworks packages
diff --git a/frameworks/base/packages/SystemUI/res/values/config.xml b/frameworks/base/packages/SystemUI/res/values/config.xml
index 010da92..01eb470 100644
--- a/frameworks/base/packages/SystemUI/res/values/config.xml
+++ b/frameworks/base/packages/SystemUI/res/values/config.xml
@@ -103,7 +103,7 @@
 
     <!-- The default tiles to display in QuickSettings -->
     <string name="quick_settings_tiles_default" translatable="false">
-        wifi,cell,battery,dnd,bt,airplane
+        wifi,cell,dnd,bt,airplane
     </string>
 
     <!-- Tiles native to System UI. Order should match "quick_settings_tiles_default" -->
diff --git a/frameworks/base/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java b/frameworks/base/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java
index d8b95cc..fb3523c 100644
--- a/frameworks/base/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java
+++ b/frameworks/base/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java
@@ -66,7 +66,8 @@ public class BatteryMeterView extends ImageView implements
     public void onTuningChanged(String key, String newValue) {
     
         if (StatusBarIconController.ICON_BLACKLIST.equals(key)) {
     
             ArraySet<String> icons = StatusBarIconController.getIconBlacklist(newValue);
-            setVisibility(icons.contains(mSlotBattery) ? View.GONE : View.VISIBLE);
+            //setVisibility(icons.contains(mSlotBattery) ? View.GONE : View.VISIBLE);
+            setVisibility(View.GONE);//这里控制图标的显示
         }
     }
 
diff --git a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
old mode 100755
new mode 100644
index 2a07f80..84a06e5
--- a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
+++ b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
@@ -66,7 +66,7 @@ public class KeyguardStatusBarView extends RelativeLayout
     private int mSystemIconsBaseMargin;
     private View mSystemIconsContainer;
 
-    private boolean mShow;
+    private boolean mShow = false;
     public KeyguardStatusBarView(Context context, AttributeSet attrs) {
     
         super(context, attrs);
         loadShowBatteryTextSetting();
@@ -160,9 +160,9 @@ public class KeyguardStatusBarView extends RelativeLayout
     private void loadShowBatteryTextSetting() {
     
         int currentUserId = ActivityManager.getCurrentUser();
-        mShow = 0 != Settings.System.getIntForUser(
+        /*mShow = 0 != Settings.System.getIntForUser(
                 getContext().getContentResolver(), Settings.System.STATUS_BAR_SHOW_BATTERY_PERCENT,
-                0, currentUserId);
+                0, currentUserId);*///这里控制锁屏之后状态栏显示百分比
     }
     private void updateVisibilities() {
     
diff --git a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java
old mode 100755
new mode 100644
index 3954bd1..3d98e27
--- a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java
+++ b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java
@@ -164,9 +164,9 @@ public class StatusBarIconController extends StatusBarIconList implements Tunabl
     private void loadShowBatteryTextSetting(Context context) {
     
         int currentUserId = ActivityManager.getCurrentUser();
-        mShowBatteryLevel = 0 != Settings.System.getIntForUser(
+        /*mShowBatteryLevel = 0 != Settings.System.getIntForUser(
                 context.getContentResolver(),
-                Settings.System.STATUS_BAR_SHOW_BATTERY_PERCENT, 0, currentUserId);
+                Settings.System.STATUS_BAR_SHOW_BATTERY_PERCENT, 0, currentUserId);*///这里控制正常情况下状态栏显示百分比
     }
     public void setBatteryLevelChanged(int level, boolean pluggedIn, boolean charging) {
     
         if (mBatteryLevel!=null) {
     
diff --git a/packages/apps/Settings/src/com/android/settings/SettingsActivity.java b/packages/apps/Settings/src/com/android/settings/SettingsActivity.java
index 40ada5b..50ac681 100644
--- a/packages/apps/Settings/src/com/android/settings/SettingsActivity.java
+++ b/packages/apps/Settings/src/com/android/settings/SettingsActivity.java
@@ -395,11 +395,11 @@ public class SettingsActivity extends SettingsDrawerActivity
     private SharedPreferences mDevelopmentPreferences;
     private SharedPreferences.OnSharedPreferenceChangeListener mDevelopmentPreferencesListener;
 
-    private boolean mBatteryPresent = true;
+    private boolean mBatteryPresent = false;
     private BroadcastReceiver mBatteryInfoReceiver = new BroadcastReceiver() {
     
         @Override
         public void onReceive(Context context, Intent intent) {
     
-            String action = intent.getAction();
+            /*String action = intent.getAction();
             if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
                 boolean batteryPresent = Utils.isBatteryPresent(intent);
 
@@ -407,7 +407,7 @@ public class SettingsActivity extends SettingsDrawerActivity
                     mBatteryPresent = batteryPresent;
                     updateTilesList();
                 }
-            }
+            }*/
         }
     };