ADD week 5

02-Easy5/E5/sources/androidx/appcompat/widget/ViewStubCompat.java

@@ -0,0 +1,133 @@
+package androidx.appcompat.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.ViewParent;
+import androidx.appcompat.R;
+import java.lang.ref.WeakReference;
+
+/* loaded from: classes.dex */
+public final class ViewStubCompat extends View {
+    private OnInflateListener mInflateListener;
+    private int mInflatedId;
+    private WeakReference<View> mInflatedViewRef;
+    private LayoutInflater mInflater;
+    private int mLayoutResource;
+
+    public interface OnInflateListener {
+        void onInflate(ViewStubCompat viewStubCompat, View view);
+    }
+
+    @Override // android.view.View
+    protected void dispatchDraw(Canvas canvas) {
+    }
+
+    @Override // android.view.View
+    public void draw(Canvas canvas) {
+    }
+
+    public int getInflatedId() {
+        return this.mInflatedId;
+    }
+
+    public LayoutInflater getLayoutInflater() {
+        return this.mInflater;
+    }
+
+    public int getLayoutResource() {
+        return this.mLayoutResource;
+    }
+
+    public void setInflatedId(int i) {
+        this.mInflatedId = i;
+    }
+
+    public void setLayoutInflater(LayoutInflater layoutInflater) {
+        this.mInflater = layoutInflater;
+    }
+
+    public void setLayoutResource(int i) {
+        this.mLayoutResource = i;
+    }
+
+    public void setOnInflateListener(OnInflateListener onInflateListener) {
+        this.mInflateListener = onInflateListener;
+    }
+
+    public ViewStubCompat(Context context, AttributeSet attributeSet) {
+        this(context, attributeSet, 0);
+    }
+
+    public ViewStubCompat(Context context, AttributeSet attributeSet, int i) {
+        super(context, attributeSet, i);
+        this.mLayoutResource = 0;
+        TypedArray obtainStyledAttributes = context.obtainStyledAttributes(attributeSet, R.styleable.ViewStubCompat, i, 0);
+        this.mInflatedId = obtainStyledAttributes.getResourceId(R.styleable.ViewStubCompat_android_inflatedId, -1);
+        this.mLayoutResource = obtainStyledAttributes.getResourceId(R.styleable.ViewStubCompat_android_layout, 0);
+        setId(obtainStyledAttributes.getResourceId(R.styleable.ViewStubCompat_android_id, -1));
+        obtainStyledAttributes.recycle();
+        setVisibility(8);
+        setWillNotDraw(true);
+    }
+
+    @Override // android.view.View
+    protected void onMeasure(int i, int i2) {
+        setMeasuredDimension(0, 0);
+    }
+
+    @Override // android.view.View
+    public void setVisibility(int i) {
+        WeakReference<View> weakReference = this.mInflatedViewRef;
+        if (weakReference != null) {
+            View view = weakReference.get();
+            if (view != null) {
+                view.setVisibility(i);
+                return;
+            }
+            throw new IllegalStateException("setVisibility called on un-referenced view");
+        }
+        super.setVisibility(i);
+        if (i == 0 || i == 4) {
+            inflate();
+        }
+    }
+
+    public View inflate() {
+        ViewParent parent = getParent();
+        if (!(parent instanceof ViewGroup)) {
+            throw new IllegalStateException("ViewStub must have a non-null ViewGroup viewParent");
+        }
+        if (this.mLayoutResource != 0) {
+            ViewGroup viewGroup = (ViewGroup) parent;
+            LayoutInflater layoutInflater = this.mInflater;
+            if (layoutInflater == null) {
+                layoutInflater = LayoutInflater.from(getContext());
+            }
+            View inflate = layoutInflater.inflate(this.mLayoutResource, viewGroup, false);
+            int i = this.mInflatedId;
+            if (i != -1) {
+                inflate.setId(i);
+            }
+            int indexOfChild = viewGroup.indexOfChild(this);
+            viewGroup.removeViewInLayout(this);
+            ViewGroup.LayoutParams layoutParams = getLayoutParams();
+            if (layoutParams != null) {
+                viewGroup.addView(inflate, indexOfChild, layoutParams);
+            } else {
+                viewGroup.addView(inflate, indexOfChild);
+            }
+            this.mInflatedViewRef = new WeakReference<>(inflate);
+            OnInflateListener onInflateListener = this.mInflateListener;
+            if (onInflateListener != null) {
+                onInflateListener.onInflate(this, inflate);
+            }
+            return inflate;
+        }
+        throw new IllegalArgumentException("ViewStub must have a valid layoutResource");
+    }
+}