react native引用原生组件时无法显示的问题处理

最近有个需求,要在react native中嵌入一个原生的视频组件,同事嵌入后发现有问题:

  1. 内容无法显示

https://musicfe.com/rn-android-webview

参考这个方法,在嵌入之后调用一下。

java 复制代码
public void manuallyLayoutChildren(View view) {
    int width = view.getMeasuredWidth();
    int height = view.getMeasuredHeight();
    view.measure(
            View.MeasureSpec.makeMeasureSpec(width, View.MeasureSpec.EXACTLY),
            View.MeasureSpec.makeMeasureSpec(height, View.MeasureSpec.EXACTLY));
    view.layout(0, 0, width, height);
}
  1. 内容动态变化时的高宽不对,以及原生的edittext输入框无法删除

看了一下,是因为内容变化的时候,一是requestLayout没有正常执行;二是上面云音乐给的代码中,没有触发子view的重绘,所以子view的布局失效了。处理方法

java 复制代码
@Override
public void requestLayout() {
    super.requestLayout();
    CustomView.this.post(() -> {
        if (ViewCompat.isAttachedToWindow(CustomView.this)) {
            layoutViews(CustomView.this);
        }
    });
}

public void layoutViews(View view) {
    int width = view.getMeasuredWidth();
    int height = view.getMeasuredHeight();
    view.measure(View.MeasureSpec.makeMeasureSpec(width, View.MeasureSpec.EXACTLY),View.MeasureSpec.makeMeasureSpec(height, View.MeasureSpec.EXACTLY));
    view.layout(0, 0, width, height);
    view.invalidate();
}

玩~

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