https://source.android.com/ 
class android.graphics.drawable.LayerDrawable$ChildDrawable
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: android.graphics.drawable.LayerDrawable$ChildDrawable
  super_class: java.lang.Object
{
  public android.graphics.drawable.Drawable mDrawable;
    descriptor: Landroid/graphics/drawable/Drawable;
    flags: (0x0001) ACC_PUBLIC

  public int[] mThemeAttrs;
    descriptor: [I
    flags: (0x0001) ACC_PUBLIC

  public int mDensity;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  public int mInsetL;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  public int mInsetT;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  public int mInsetR;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  public int mInsetB;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  public int mInsetS;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  public int mInsetE;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  public int mWidth;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  public int mHeight;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  public int mGravity;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  public int mId;
    descriptor: I
    flags: (0x0001) ACC_PUBLIC

  void <init>(int);
    descriptor: (I)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // android.graphics.drawable.LayerDrawable$ChildDrawable this
        start local 1 // int density
         0: .line 1834
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 1825
            aload 0 /* this */
            sipush 160
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
         2: .line 1827
            aload 0 /* this */
            ldc -2147483648
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetS:I
         3: .line 1828
            aload 0 /* this */
            ldc -2147483648
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetE:I
         4: .line 1829
            aload 0 /* this */
            iconst_m1
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mWidth:I
         5: .line 1830
            aload 0 /* this */
            iconst_m1
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mHeight:I
         6: .line 1831
            aload 0 /* this */
            iconst_0
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mGravity:I
         7: .line 1832
            aload 0 /* this */
            iconst_m1
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mId:I
         8: .line 1835
            aload 0 /* this */
            iload 1 /* density */
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
         9: .line 1836
            return
        end local 1 // int density
        end local 0 // android.graphics.drawable.LayerDrawable$ChildDrawable this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   10     0     this  Landroid/graphics/drawable/LayerDrawable$ChildDrawable;
            0   10     1  density  I
    MethodParameters:
         Name  Flags
      density  

  void <init>(android.graphics.drawable.LayerDrawable$ChildDrawable, android.graphics.drawable.LayerDrawable, android.content.res.Resources);
    descriptor: (Landroid/graphics/drawable/LayerDrawable$ChildDrawable;Landroid/graphics/drawable/LayerDrawable;Landroid/content/res/Resources;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=7, args_size=4
        start local 0 // android.graphics.drawable.LayerDrawable$ChildDrawable this
        start local 1 // android.graphics.drawable.LayerDrawable$ChildDrawable orig
        start local 2 // android.graphics.drawable.LayerDrawable owner
        start local 3 // android.content.res.Resources res
         0: .line 1838
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 1825
            aload 0 /* this */
            sipush 160
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
         2: .line 1827
            aload 0 /* this */
            ldc -2147483648
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetS:I
         3: .line 1828
            aload 0 /* this */
            ldc -2147483648
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetE:I
         4: .line 1829
            aload 0 /* this */
            iconst_m1
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mWidth:I
         5: .line 1830
            aload 0 /* this */
            iconst_m1
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mHeight:I
         6: .line 1831
            aload 0 /* this */
            iconst_0
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mGravity:I
         7: .line 1832
            aload 0 /* this */
            iconst_m1
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mId:I
         8: .line 1840
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDrawable:Landroid/graphics/drawable/Drawable;
            astore 4 /* dr */
        start local 4 // android.graphics.drawable.Drawable dr
         9: .line 1842
            aload 4 /* dr */
            ifnull 27
        10: .line 1843
            aload 4 /* dr */
            invokevirtual android.graphics.drawable.Drawable.getConstantState:()Landroid/graphics/drawable/Drawable$ConstantState;
            astore 6 /* cs */
        start local 6 // android.graphics.drawable.Drawable$ConstantState cs
        11: .line 1844
            aload 6 /* cs */
            ifnonnull 18
        12: .line 1845
            aload 4 /* dr */
            astore 5 /* clone */
        start local 5 // android.graphics.drawable.Drawable clone
        13: .line 1846
            aload 4 /* dr */
            invokevirtual android.graphics.drawable.Drawable.getCallback:()Landroid/graphics/drawable/Drawable$Callback;
            ifnull 22
        14: .line 1848
            ldc "LayerDrawable"
            ldc "Invalid drawable added to LayerDrawable! Drawable already belongs to another owner but does not expose a constant state."
        15: .line 1850
            new java.lang.RuntimeException
            dup
            invokespecial java.lang.RuntimeException.<init>:()V
        16: .line 1848
            invokestatic android.util.Log.w:(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I
            pop
        17: .line 1852
            goto 22
        end local 5 // android.graphics.drawable.Drawable clone
      StackMap locals: android.graphics.drawable.LayerDrawable$ChildDrawable android.graphics.drawable.LayerDrawable$ChildDrawable android.graphics.drawable.LayerDrawable android.content.res.Resources android.graphics.drawable.Drawable top android.graphics.drawable.Drawable$ConstantState
      StackMap stack:
        18: aload 3 /* res */
            ifnull 21
        19: .line 1853
            aload 6 /* cs */
            aload 3 /* res */
            invokevirtual android.graphics.drawable.Drawable$ConstantState.newDrawable:(Landroid/content/res/Resources;)Landroid/graphics/drawable/Drawable;
            astore 5 /* clone */
        start local 5 // android.graphics.drawable.Drawable clone
        20: .line 1854
            goto 22
        end local 5 // android.graphics.drawable.Drawable clone
        21: .line 1855
      StackMap locals:
      StackMap stack:
            aload 6 /* cs */
            invokevirtual android.graphics.drawable.Drawable$ConstantState.newDrawable:()Landroid/graphics/drawable/Drawable;
            astore 5 /* clone */
        start local 5 // android.graphics.drawable.Drawable clone
        22: .line 1857
      StackMap locals: android.graphics.drawable.LayerDrawable$ChildDrawable android.graphics.drawable.LayerDrawable$ChildDrawable android.graphics.drawable.LayerDrawable android.content.res.Resources android.graphics.drawable.Drawable android.graphics.drawable.Drawable android.graphics.drawable.Drawable$ConstantState
      StackMap stack:
            aload 5 /* clone */
            aload 4 /* dr */
            invokevirtual android.graphics.drawable.Drawable.getLayoutDirection:()I
            invokevirtual android.graphics.drawable.Drawable.setLayoutDirection:(I)Z
            pop
        23: .line 1858
            aload 5 /* clone */
            aload 4 /* dr */
            invokevirtual android.graphics.drawable.Drawable.getBounds:()Landroid/graphics/Rect;
            invokevirtual android.graphics.drawable.Drawable.setBounds:(Landroid/graphics/Rect;)V
        24: .line 1859
            aload 5 /* clone */
            aload 4 /* dr */
            invokevirtual android.graphics.drawable.Drawable.getLevel:()I
            invokevirtual android.graphics.drawable.Drawable.setLevel:(I)Z
            pop
        25: .line 1863
            aload 5 /* clone */
            aload 2 /* owner */
            invokevirtual android.graphics.drawable.Drawable.setCallback:(Landroid/graphics/drawable/Drawable$Callback;)V
        end local 6 // android.graphics.drawable.Drawable$ConstantState cs
        26: .line 1864
            goto 28
        end local 5 // android.graphics.drawable.Drawable clone
        27: .line 1865
      StackMap locals:
      StackMap stack:
            aconst_null
            astore 5 /* clone */
        start local 5 // android.graphics.drawable.Drawable clone
        28: .line 1868
      StackMap locals: android.graphics.drawable.Drawable
      StackMap stack:
            aload 0 /* this */
            aload 5 /* clone */
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDrawable:Landroid/graphics/drawable/Drawable;
        29: .line 1869
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mThemeAttrs:[I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mThemeAttrs:[I
        30: .line 1870
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetL:I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetL:I
        31: .line 1871
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetT:I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetT:I
        32: .line 1872
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetR:I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetR:I
        33: .line 1873
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetB:I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetB:I
        34: .line 1874
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetS:I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetS:I
        35: .line 1875
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetE:I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetE:I
        36: .line 1876
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mWidth:I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mWidth:I
        37: .line 1877
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mHeight:I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mHeight:I
        38: .line 1878
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mGravity:I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mGravity:I
        39: .line 1879
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mId:I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mId:I
        40: .line 1881
            aload 0 /* this */
            aload 3 /* res */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
            invokestatic android.graphics.drawable.Drawable.resolveDensity:(Landroid/content/res/Resources;I)I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
        41: .line 1882
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
            if_icmpeq 43
        42: .line 1883
            aload 0 /* this */
            aload 1 /* orig */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
            invokevirtual android.graphics.drawable.LayerDrawable$ChildDrawable.applyDensityScaling:(II)V
        43: .line 1885
      StackMap locals:
      StackMap stack:
            return
        end local 5 // android.graphics.drawable.Drawable clone
        end local 4 // android.graphics.drawable.Drawable dr
        end local 3 // android.content.res.Resources res
        end local 2 // android.graphics.drawable.LayerDrawable owner
        end local 1 // android.graphics.drawable.LayerDrawable$ChildDrawable orig
        end local 0 // android.graphics.drawable.LayerDrawable$ChildDrawable this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   44     0   this  Landroid/graphics/drawable/LayerDrawable$ChildDrawable;
            0   44     1   orig  Landroid/graphics/drawable/LayerDrawable$ChildDrawable;
            0   44     2  owner  Landroid/graphics/drawable/LayerDrawable;
            0   44     3    res  Landroid/content/res/Resources;
            9   44     4     dr  Landroid/graphics/drawable/Drawable;
           13   18     5  clone  Landroid/graphics/drawable/Drawable;
           20   21     5  clone  Landroid/graphics/drawable/Drawable;
           22   27     5  clone  Landroid/graphics/drawable/Drawable;
           28   44     5  clone  Landroid/graphics/drawable/Drawable;
           11   26     6     cs  Landroid/graphics/drawable/Drawable$ConstantState;
    MethodParameters:
       Name  Flags
      orig   
      owner  
      res    

  public boolean canApplyTheme();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // android.graphics.drawable.LayerDrawable$ChildDrawable this
         0: .line 1888
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mThemeAttrs:[I
            ifnonnull 3
         1: .line 1889
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDrawable:Landroid/graphics/drawable/Drawable;
            ifnull 2
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDrawable:Landroid/graphics/drawable/Drawable;
            invokevirtual android.graphics.drawable.Drawable.canApplyTheme:()Z
            ifne 3
         2: .line 1888
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         3: iconst_1
            ireturn
        end local 0 // android.graphics.drawable.LayerDrawable$ChildDrawable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Landroid/graphics/drawable/LayerDrawable$ChildDrawable;

  public final void setDensity(int);
    descriptor: (I)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // android.graphics.drawable.LayerDrawable$ChildDrawable this
        start local 1 // int targetDensity
         0: .line 1893
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
            iload 1 /* targetDensity */
            if_icmpeq 4
         1: .line 1894
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
            istore 2 /* sourceDensity */
        start local 2 // int sourceDensity
         2: .line 1895
            aload 0 /* this */
            iload 1 /* targetDensity */
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mDensity:I
         3: .line 1897
            aload 0 /* this */
            iload 2 /* sourceDensity */
            iload 1 /* targetDensity */
            invokevirtual android.graphics.drawable.LayerDrawable$ChildDrawable.applyDensityScaling:(II)V
        end local 2 // int sourceDensity
         4: .line 1899
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int targetDensity
        end local 0 // android.graphics.drawable.LayerDrawable$ChildDrawable this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    5     0           this  Landroid/graphics/drawable/LayerDrawable$ChildDrawable;
            0    5     1  targetDensity  I
            2    4     2  sourceDensity  I
    MethodParameters:
               Name  Flags
      targetDensity  

  private void applyDensityScaling(int, int);
    descriptor: (II)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // android.graphics.drawable.LayerDrawable$ChildDrawable this
        start local 1 // int sourceDensity
        start local 2 // int targetDensity
         0: .line 1902
            aload 0 /* this */
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetL:I
            iload 1 /* sourceDensity */
            iload 2 /* targetDensity */
            iconst_0
            invokestatic android.graphics.drawable.Drawable.scaleFromDensity:(IIIZ)I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetL:I
         1: .line 1903
            aload 0 /* this */
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetT:I
            iload 1 /* sourceDensity */
            iload 2 /* targetDensity */
            iconst_0
            invokestatic android.graphics.drawable.Drawable.scaleFromDensity:(IIIZ)I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetT:I
         2: .line 1904
            aload 0 /* this */
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetR:I
            iload 1 /* sourceDensity */
            iload 2 /* targetDensity */
            iconst_0
            invokestatic android.graphics.drawable.Drawable.scaleFromDensity:(IIIZ)I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetR:I
         3: .line 1905
            aload 0 /* this */
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetB:I
            iload 1 /* sourceDensity */
            iload 2 /* targetDensity */
            iconst_0
            invokestatic android.graphics.drawable.Drawable.scaleFromDensity:(IIIZ)I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetB:I
         4: .line 1906
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetS:I
            ldc -2147483648
            if_icmpeq 6
         5: .line 1907
            aload 0 /* this */
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetS:I
            iload 1 /* sourceDensity */
            iload 2 /* targetDensity */
            iconst_0
            invokestatic android.graphics.drawable.Drawable.scaleFromDensity:(IIIZ)I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetS:I
         6: .line 1909
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetE:I
            ldc -2147483648
            if_icmpeq 8
         7: .line 1910
            aload 0 /* this */
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetE:I
            iload 1 /* sourceDensity */
            iload 2 /* targetDensity */
            iconst_0
            invokestatic android.graphics.drawable.Drawable.scaleFromDensity:(IIIZ)I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mInsetE:I
         8: .line 1912
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mWidth:I
            ifle 10
         9: .line 1913
            aload 0 /* this */
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mWidth:I
            iload 1 /* sourceDensity */
            iload 2 /* targetDensity */
            iconst_1
            invokestatic android.graphics.drawable.Drawable.scaleFromDensity:(IIIZ)I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mWidth:I
        10: .line 1915
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mHeight:I
            ifle 12
        11: .line 1916
            aload 0 /* this */
            aload 0 /* this */
            getfield android.graphics.drawable.LayerDrawable$ChildDrawable.mHeight:I
            iload 1 /* sourceDensity */
            iload 2 /* targetDensity */
            iconst_1
            invokestatic android.graphics.drawable.Drawable.scaleFromDensity:(IIIZ)I
            putfield android.graphics.drawable.LayerDrawable$ChildDrawable.mHeight:I
        12: .line 1918
      StackMap locals:
      StackMap stack:
            return
        end local 2 // int targetDensity
        end local 1 // int sourceDensity
        end local 0 // android.graphics.drawable.LayerDrawable$ChildDrawable this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   13     0           this  Landroid/graphics/drawable/LayerDrawable$ChildDrawable;
            0   13     1  sourceDensity  I
            0   13     2  targetDensity  I
    MethodParameters:
               Name  Flags
      sourceDensity  
      targetDensity  
}
SourceFile: "LayerDrawable.java"
NestHost: android.graphics.drawable.LayerDrawable
InnerClasses:
  public abstract Callback = android.graphics.drawable.Drawable$Callback of android.graphics.drawable.Drawable
  public abstract ConstantState = android.graphics.drawable.Drawable$ConstantState of android.graphics.drawable.Drawable
  ChildDrawable = android.graphics.drawable.LayerDrawable$ChildDrawable of android.graphics.drawable.LayerDrawable