58 lines
2.0 KiB
Java
58 lines
2.0 KiB
Java
package androidx.transition;
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import android.annotation.SuppressLint;
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import android.graphics.Matrix;
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import android.graphics.drawable.Drawable;
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import android.os.Build;
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import android.widget.ImageView;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.RequiresApi;
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import java.lang.reflect.Field;
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public class ImageViewUtils {
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private static Field sDrawMatrixField = null;
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private static boolean sDrawMatrixFieldFetched = false;
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private static boolean sTryHiddenAnimateTransform = true;
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private ImageViewUtils() {
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}
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public static void animateTransform(@NonNull ImageView imageView, @Nullable Matrix matrix) {
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if (Build.VERSION.SDK_INT >= 29) {
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imageView.animateTransform(matrix);
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} else if (matrix == null) {
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Drawable drawable = imageView.getDrawable();
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if (drawable != null) {
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drawable.setBounds(0, 0, (imageView.getWidth() - imageView.getPaddingLeft()) - imageView.getPaddingRight(), (imageView.getHeight() - imageView.getPaddingTop()) - imageView.getPaddingBottom());
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imageView.invalidate();
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}
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} else {
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hiddenAnimateTransform(imageView, matrix);
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}
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}
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private static void fetchDrawMatrixField() {
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if (!sDrawMatrixFieldFetched) {
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try {
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Field declaredField = ImageView.class.getDeclaredField("mDrawMatrix");
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sDrawMatrixField = declaredField;
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declaredField.setAccessible(true);
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} catch (NoSuchFieldException unused) {
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}
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sDrawMatrixFieldFetched = true;
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}
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}
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@RequiresApi(21)
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@SuppressLint({"NewApi"})
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private static void hiddenAnimateTransform(@NonNull ImageView imageView, @Nullable Matrix matrix) {
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if (sTryHiddenAnimateTransform) {
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try {
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imageView.animateTransform(matrix);
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} catch (NoSuchMethodError unused) {
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sTryHiddenAnimateTransform = false;
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}
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}
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}
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}
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