package android.os; public final class PowerManager { public final class WakeLock { public void setReferenceCounted(boolean referenceCounted) {} public void acquire() {} public void release() {} public boolean isHeld() { return false; } public void acquire(long timeout) {} } public WakeLock newWakeLock(int levelAndFlags, String tag) { return new WakeLock(); } public void userActivity(long dummy, boolean dummy2) {} public static final int FULL_WAKE_LOCK = 0x1a; public boolean isPowerSaveMode() { return false; } public boolean isScreenOn() { return true; } public boolean isIgnoringBatteryOptimizations(String packageName) { return true; } }