Android H5+Native开发遇到的问题以及解决方案_h5页面下window.android报错-优快云博客

本文链接：https://blog.youkuaiyun.com/qq939782569/article/details/113179119

本文介绍了解决WebView在Android应用中遇到的多个常见问题的方法，包括软件盘遮挡输入框、提供打电话功能、解决H5定位问题、添加图片保存功能及跨域支持。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

1、webView软件盘遮挡输入框问题

/**
 * 用于解决全屏时，Activity设置了adjustSize却不起作用的问题。setContentView之后调用{@link #assistActivity(Activity)}
 */
public class AndroidBug5497Workaround {

    public static void assistActivity(Activity activity) {
        new AndroidBug5497Workaround(activity);
    }

    private View mChildOfContent;
    private int usableHeightPrevious;
    private FrameLayout.LayoutParams frameLayoutParams;
    private int contentHeight;
    private boolean isfirst = true;
    private Activity activity;
    private int statusBarHeight;

    private AndroidBug5497Workaround(Activity activity) {
        //获取状态栏的高度
        int resourceId = activity.getResources().getIdentifier("status_bar_height", "dimen", "android");
        statusBarHeight = activity.getResources().getDimensionPixelSize(resourceId);
        this.activity = activity;
        FrameLayout content = (FrameLayout) activity.findViewById(android.R.id.content);
        mChildOfContent = content.getChildAt(0);
        //界面出现变动都会调用这个监听事件
        mChildOfContent.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
            public void onGlobalLayout() {
                if (isfirst) {
                    contentHeight = mChildOfContent.getHeight();//兼容华为等机型
                    isfirst = false;
                }
                possiblyResizeChildOfContent();
            }
        });
        frameLayoutParams = (FrameLayout.LayoutParams)
                mChildOfContent.getLayoutParams();
    }

    //重新调整跟布局的高度
    private void possiblyResizeChildOfContent() {
        int usableHeightNow = computeUsableHeight();
        //当前可见高度和上一次可见高度不一致 布局变动
        if (usableHeightNow != usableHeightPrevious) {
            //int usableHeightSansKeyboard2 = mChildOfContent.getHeight();//兼容华为等机型
            int usableHeightSansKeyboard = mChildOfContent