ADD week 5

2025-03-31 16:33:42 +02:00
parent 86f265f22d
commit bf645048e6
4927 changed files with 544053 additions and 0 deletions
--- a/02-Easy5/E5/sources/androidx/transition/GhostViewPlatform.java
+++ b/02-Easy5/E5/sources/androidx/transition/GhostViewPlatform.java
@@ -0,0 +1,102 @@
+package androidx.transition;
+
+import android.graphics.Matrix;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+/* loaded from: classes.dex */
+class GhostViewPlatform implements GhostView {
+    private static final String TAG = "GhostViewApi21";
+    private static Method sAddGhostMethod;
+    private static boolean sAddGhostMethodFetched;
+    private static Class<?> sGhostViewClass;
+    private static boolean sGhostViewClassFetched;
+    private static Method sRemoveGhostMethod;
+    private static boolean sRemoveGhostMethodFetched;
+    private final View mGhostView;
+
+    @Override // androidx.transition.GhostView
+    public void reserveEndViewTransition(ViewGroup viewGroup, View view) {
+    }
+
+    static GhostView addGhost(View view, ViewGroup viewGroup, Matrix matrix) {
+        fetchAddGhostMethod();
+        Method method = sAddGhostMethod;
+        if (method != null) {
+            try {
+                return new GhostViewPlatform((View) method.invoke(null, view, viewGroup, matrix));
+            } catch (IllegalAccessException unused) {
+            } catch (InvocationTargetException e) {
+                throw new RuntimeException(e.getCause());
+            }
+        }
+        return null;
+    }
+
+    static void removeGhost(View view) {
+        fetchRemoveGhostMethod();
+        Method method = sRemoveGhostMethod;
+        if (method != null) {
+            try {
+                method.invoke(null, view);
+            } catch (IllegalAccessException unused) {
+            } catch (InvocationTargetException e) {
+                throw new RuntimeException(e.getCause());
+            }
+        }
+    }
+
+    private GhostViewPlatform(View view) {
+        this.mGhostView = view;
+    }
+
+    @Override // androidx.transition.GhostView
+    public void setVisibility(int i) {
+        this.mGhostView.setVisibility(i);
+    }
+
+    private static void fetchGhostViewClass() {
+        if (sGhostViewClassFetched) {
+            return;
+        }
+        try {
+            sGhostViewClass = Class.forName("android.view.GhostView");
+        } catch (ClassNotFoundException e) {
+            Log.i(TAG, "Failed to retrieve GhostView class", e);
+        }
+        sGhostViewClassFetched = true;
+    }
+
+    private static void fetchAddGhostMethod() {
+        if (sAddGhostMethodFetched) {
+            return;
+        }
+        try {
+            fetchGhostViewClass();
+            Method declaredMethod = sGhostViewClass.getDeclaredMethod("addGhost", View.class, ViewGroup.class, Matrix.class);
+            sAddGhostMethod = declaredMethod;
+            declaredMethod.setAccessible(true);
+        } catch (NoSuchMethodException e) {
+            Log.i(TAG, "Failed to retrieve addGhost method", e);
+        }
+        sAddGhostMethodFetched = true;
+    }
+
+    private static void fetchRemoveGhostMethod() {
+        if (sRemoveGhostMethodFetched) {
+            return;
+        }
+        try {
+            fetchGhostViewClass();
+            Method declaredMethod = sGhostViewClass.getDeclaredMethod("removeGhost", View.class);
+            sRemoveGhostMethod = declaredMethod;
+            declaredMethod.setAccessible(true);
+        } catch (NoSuchMethodException e) {
+            Log.i(TAG, "Failed to retrieve removeGhost method", e);
+        }
+        sRemoveGhostMethodFetched = true;
+    }
+}