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Android V5.1

1.直接显示在电池里--- a/android/frameworks/base/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java+++ b/android/frameworks/base/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java@@ -203,7 +203,7 @@ public class BatteryMeterView extends View implements DemoMode,         colors.recycle();         atts.recycle();         mShowPercent = ENABLE_PERCENT && 0 != Settings.System.getInt(-                context.getContentResolver(), "status_bar_show_battery_percent", 0);+                context.getContentResolver(), "status_bar_show_battery_percent", 1);2.状态栏电量百分比控制--- a/android/frameworks/base/packages/SystemUI/res/layout/system_icons.xml+++ b/android/frameworks/base/packages/SystemUI/res/layout/system_icons.xml@@ -32,9 +32,16 @@         android:layout_height="wrap_content"         android:layout_marginStart="2.5dp"/>+       
        
        
   --- a/android/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java+++ b/android/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java@@ -798,6 +798,7 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,         // Other icons         mLocationController = new LocationControllerImpl(mContext); // will post a notification         mBatteryController = new BatteryController(mContext);+               mBatteryController.setPercentageView((TextView)mStatusBarWindow.findViewById(R.id.pbattery));--- a/android/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.ja+++ b/android/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.ja@@ -27,6 +27,16 @@ import android.util.Log; import java.io.FileDescriptor; import java.io.PrintWriter; import java.util.ArrayList;+import android.content.ContentResolver;+import android.database.ContentObserver;+import android.os.Handler;+import android.os.UserHandle;+import android.view.View;+import android.widget.TextView;+import android.provider.Settings;+import android.util.Log;+import com.android.systemui.R;+ public class BatteryController extends BroadcastReceiver {
        private static final String TAG = "BatteryController";@@ -35,19 +45,38 @@ public class BatteryController extends BroadcastReceiver {
        private final ArrayList
   
     mChangeCallbacks = new ArrayList<>();     private final PowerManager mPowerManager;+       private TextView mBatteryPercentageView;+       private String mPercentage = "100%";+       private Context mContext;+     private int mLevel;     private boolean mPluggedIn;     private boolean mCharging;     private boolean mCharged;     private boolean mPowerSave;+       private final Handler mHandler = new Handler();+       public void setPercentageView(TextView v){+               mBatteryPercentageView = v;+       }     public BatteryController(Context context) {         mPowerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);+               mContext = context;+               +               ContentObserver obs = new ContentObserver(mHandler){+                       @Override+                       public void onChange(boolean selfChange){+                               updatePowerSave();+                       }+               };+               final ContentResolver resolver = context.getContentResolver();+               updatePowerSave();         IntentFilter filter = new IntentFilter();         filter.addAction(Intent.ACTION_BATTERY_CHANGED);         filter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED);         filter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGING);+         context.registerReceiver(this, filter);         updatePowerSave();@@ -85,6 +114,10 @@ public class BatteryController extends BroadcastReceiver {
                mCharging = mCharged || status == BatteryManager.BATTERY_STATUS_CHARGING;             fireBatteryLevelChanged();+                       int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, 100);+                       mPercentage = String.valueOf(mLevel*100/scale)+"%";+                       mBatteryPercentageView.setText(mPercentage);+                       mBatteryPercentageView.setVisibility(View.VISIBLE);         } else if (action.equals(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED)) {
   

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