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import android.graphics.drawable.Drawable;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.util.Log;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.TextView;

public class ScalableLayout extends FrameLayout {
private static final float Default_Scale_Base_Width = 100f;
private static final float Default_Scale_Base_Height = 100f;
// private static final int Default_Scale_Base_BasePosition = Gravity.LEFT | Gravity.TOP;

private static final float Default_Scale_Left = 0f;
private static final int Default_Scale_Left_BasePosition = 0;
private static final float Default_Scale_Top = 0f;
private static final int Default_Scale_Top_BasePosition = 0;
private static final float Default_Scale_Width = 100f;
private static final float Default_Scale_Height = 100f;
private static final float Default_TextView_WrapContent_Scale_MaxWidth = -1f;
private static final float Default_Scale_TextSize = 100f;
private float mScale_Root_Width = Default_Scale_Base_Width;
private float mScale_Root_Height = Default_Scale_Base_Height;
private float mRatioOfWidthHeight = mScale_Root_Height / mScale_Root_Width;
// private int mScale_Root_BasePosition = Default_Scale_Base_BasePosition;
public float getScaleWidth() { return mScale_Root_Width; }
public float getScaleHeight() { return mScale_Root_Height; }

public void setScaleWidth(float pWidth) { setScaleSize(pWidth, mScale_Root_Height); }
public void setScaleHeight(float pHeight) { setScaleSize(mScale_Root_Width, pHeight); }
public void setScaleSize(float pWidth, float pHeight) {
setScaleSize(pWidth, pHeight, true);
}
private void setScaleSize(float pWidth, float pHeight, boolean pWithInvalidate) {
mScale_Root_Width = pWidth;
mScale_Root_Height = pHeight;
mRatioOfWidthHeight = mScale_Root_Height / mScale_Root_Width;
if(pWithInvalidate) {

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