react-native-navigation的迁移库

ImageLoader.java 1.3KB

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  1. package com.reactnativenavigation.react;
  2. import android.graphics.Bitmap;
  3. import android.graphics.BitmapFactory;
  4. import android.graphics.drawable.BitmapDrawable;
  5. import android.graphics.drawable.Drawable;
  6. import android.net.Uri;
  7. import com.reactnativenavigation.NavigationApplication;
  8. public class ImageLoader {
  9. private static final String FILE_SCHEME = "file";
  10. public static Drawable loadImage(String iconSource) {
  11. if (NavigationApplication.instance.isDebug()) {
  12. return JsDevImageLoader.loadIcon(iconSource);
  13. } else {
  14. Uri uri = Uri.parse(iconSource);
  15. if (isLocalFile(uri)) {
  16. return loadFile(uri);
  17. } else {
  18. return loadResource(iconSource);
  19. }
  20. }
  21. }
  22. private static boolean isLocalFile(Uri uri) {
  23. return FILE_SCHEME.equals(uri.getScheme());
  24. }
  25. private static Drawable loadFile(Uri uri) {
  26. Bitmap bitmap = BitmapFactory.decodeFile(uri.getPath());
  27. return new BitmapDrawable(NavigationApplication.instance.getResources(), bitmap);
  28. }
  29. private static Drawable loadResource(String iconSource) {
  30. return ResourceDrawableIdHelper.instance.getResourceDrawable(NavigationApplication.instance, iconSource);
  31. }
  32. }