[Android Q&A, Help & Troubleshooting] dferreira:
Using `apktool d framework.jar` and then finding IEdpManager.smali, this is what the content is:

.class public interface abstract Lcom/hmct/epd/IEpdManager;
.super Ljava/lang/Object;
.source "IEpdManager.java"

# interfaces
.implements Landroid/os/IInterface;

# annotations
.annotation system Ldalvik/annotation/MemberClasses;
value = {
Lcom/hmct/epd/IEpdManager$Stub;,
Lcom/hmct/epd/IEpdManager$Default;
}
.end annotation

# virtual methods
.method public abstract blacklist addAppMode(Ljava/lang/String;I)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist addBitmapToPresentationDisplay(Landroid/graphics/Bitmap;IIIZ)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist addBitmapToPresentationDisplayWithString(Landroid/graphics/Bitmap;IIIZLjava/lang/String;)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist addPreViewPage(ILandroid/widget/RemoteViews;)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist addViewToPresentationDisplay(Landroid/widget/RemoteViews;IIIZ)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist adjustEinkEffect(II)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist begigResumeActivity(Ljava/lang/String;Ljava/lang/String;Z)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist finishBoot()V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist forceClear()V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist getAllAppMode()Ljava/util/Map;
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist getDisplayType()I
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist getDynamicRefreshFlag()Z
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist getEinkEffect(I)I
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist getEpdMode()I
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist getTopPackage()Ljava/lang/String;
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist lockEpdMode(IZ)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist notifyCameraOn(ZI)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist notifyResumedPackage(Ljava/lang/String;)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist notifyShutdown()V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist notifyVideoOn(ZI)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist onDispatchEventUp(Z)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist onScreenChanged(Z)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist removeAppMode(Ljava/lang/String;)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist removeViewOnPresentationDisplay(I)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist requestGoToSleep()V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist setBlanchMode(I)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist setDisplayPowerMode(IZ)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist setDisplayType(IZ)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist setDynamicRefreshFlag(Z)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist setEinkKeyguardMode(I)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist setEinkThemeMode(I)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist setEpdDisplayMode(I)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist setGestureUnlock(I)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist setHmctModeStatus(I)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist setKeyguardOccluded(Z)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist startWakingUp()V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist updateEpdMode()V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist updateExteralPaper()V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method

.method public abstract blacklist updateShutdownWallPaper(Landroid/graphics/Bitmap;)V
.annotation system Ldalvik/annotation/Throws;
value = {
Landroid/os/RemoteException;
}
.end annotation
.end method