init

app/src/main/java/com/uiui/os/utils/Utils.java

@@ -0,0 +1,26 @@
+package com.uiui.os.utils;
+
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.BatteryManager;
+import android.os.Build;
+
+public class Utils {
+    /**
+     * 获取电量
+     *
+     * @param mContext
+     * @return
+     */
+    synchronized public static int getBatteryLevel(Context mContext) {
+        if (Build.VERSION.SDK_INT >= 21) {
+            return ((BatteryManager) mContext.getSystemService(Context.BATTERY_SERVICE)).getIntProperty(4);
+        } else {
+            Intent intent = (new ContextWrapper(mContext)).registerReceiver(null, new IntentFilter("android.intent.action.BATTERY_CHANGED"));
+            return intent.getIntExtra("level", -1) * 100 / intent.getIntExtra("scale", -1);
+        }
+    }
+
+}