Add static funciton isCharged in BatteryStatus to check charge status

without creating BatteryStatus instance.

Bug: 236101531
Test: presubmit
Change-Id: I7967693b16275f94eb12edcd695a5199c50cb841
Merged-In: I7967693b16275f94eb12edcd695a5199c50cb841

packages/SettingsLib/src/com/android/settingslib/fuelgauge/BatteryStatus.java

@@ -135,7 +135,7 @@ public class BatteryStatus {
      * @return true if the device is charged
      */
     public boolean isCharged() {
-        return status == BATTERY_STATUS_FULL || level >= 100;
+        return isCharged(status, level);
     }
 
     /**
@@ -177,4 +177,31 @@ public class BatteryStatus {
         return "BatteryStatus{status=" + status + ",level=" + level + ",plugged=" + plugged
                 + ",health=" + health + ",maxChargingWattage=" + maxChargingWattage + "}";
     }
+
+    /**
+     * Whether or not the device is charged. Note that some devices never return 100% for
+     * battery level, so this allows either battery level or status to determine if the
+     * battery is charged.
+     *
+     * @param batteryChangedIntent ACTION_BATTERY_CHANGED intent
+     * @return true if the device is charged
+     */
+    public static boolean isCharged(Intent batteryChangedIntent) {
+        int status = batteryChangedIntent.getIntExtra(EXTRA_STATUS, BATTERY_STATUS_UNKNOWN);
+        int level = batteryChangedIntent.getIntExtra(EXTRA_LEVEL, 0);
+        return isCharged(status, level);
+    }
+
+    /**
+     * Whether or not the device is charged. Note that some devices never return 100% for
+     * battery level, so this allows either battery level or status to determine if the
+     * battery is charged.
+     *
+     * @param status values for "status" field in the ACTION_BATTERY_CHANGED Intent
+     * @param level values from 0 to 100
+     * @return true if the device is charged
+     */
+    public static boolean isCharged(int status, int level) {
+        return status == BATTERY_STATUS_FULL || level >= 100;
+    }
 }