Java WebView.isShown方法代码示例

import android.webkit.WebView; //导入方法依赖的package包/类
@Override
public void onPageFinished(WebView view, String url) {
	if (view.isShown()) {
		mBrowserController.updateUrl(url, true);
		view.postInvalidate();
	}
	if (view.getTitle() == null || view.getTitle().isEmpty()) {
		mTitle.setTitle(mActivity.getString(R.string.untitled));
	} else {
		mTitle.setTitle(view.getTitle());
	}
	if (API >= android.os.Build.VERSION_CODES.KITKAT && mInvertPage) {
		view.evaluateJavascript(Constants.JAVASCRIPT_INVERT_PAGE, null);
	}
	mBrowserController.update();
}
 

import android.webkit.WebView; //导入方法依赖的package包/类
@Override
public void onScaleChanged(final WebView view, final float oldScale, final float newScale) {
	if (view.isShown() && mTextReflow && API >= android.os.Build.VERSION_CODES.KITKAT) {
		if (mIsRunning)
			return;
		if (Math.abs(mZoomScale - newScale) > 0.01f) {
			mIsRunning = view.postDelayed(new Runnable() {

				@Override
				public void run() {
					mZoomScale = newScale;
					view.evaluateJavascript(Constants.JAVASCRIPT_TEXT_REFLOW, null);
					mIsRunning = false;
				}

			}, 100);
		}

	}
}
 

import android.webkit.WebView; //导入方法依赖的package包/类
@TargetApi(Build.VERSION_CODES.KITKAT)
@Override
public void onPageFinished(@NonNull WebView view, String url) {
    if (view.isShown()) {
        mUIController.updateUrl(url, false);
        mUIController.setBackButtonEnabled(view.canGoBack());
        mUIController.setForwardButtonEnabled(view.canGoForward());
        view.postInvalidate();
    }
    if (view.getTitle() == null || view.getTitle().isEmpty()) {
        mLightningView.getTitleInfo().setTitle(mActivity.getString(R.string.untitled));
    } else {
        mLightningView.getTitleInfo().setTitle(view.getTitle());
    }
    if (Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT &&
        mLightningView.getInvertePage()) {
        view.evaluateJavascript(Constants.JAVASCRIPT_INVERT_PAGE, null);
    }
    mUIController.tabChanged(mLightningView);
}
 

import android.webkit.WebView; //导入方法依赖的package包/类
@TargetApi(Build.VERSION_CODES.KITKAT)
@Override
public void onScaleChanged(@NonNull final WebView view, final float oldScale, final float newScale) {
    if (view.isShown() && mLightningView.mPreferences.getTextReflowEnabled() &&
        Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) {
        if (mIsRunning)
            return;
        float changeInPercent = Math.abs(100 - 100 / mZoomScale * newScale);
        if (changeInPercent > 2.5f && !mIsRunning) {
            mIsRunning = view.postDelayed(new Runnable() {
                @Override
                public void run() {
                    mZoomScale = newScale;
                    view.evaluateJavascript(Constants.JAVASCRIPT_TEXT_REFLOW, new ValueCallback<String>() {
                        @Override
                        public void onReceiveValue(String value) {
                            mIsRunning = false;
                        }
                    });
                }
            }, 100);
        }

    }
}
 

import android.webkit.WebView; //导入方法依赖的package包/类
@Override
public void cancel() {
    WebView webView = getWebView();

    // If the page hasn't loaded, or the listener is already called, then we can't interrupt
    // this cancellation. Either the JS won't be ready to consume the event, or the listener
    // has already processed a result.
    // So let's just handle this cancellation in the standard way.
    if (!isPageFinished()
            || isListenerCalled()
            || webView == null
            || !webView.isShown()) {
        super.cancel();
        return;
    }

    // Return right away if we have already queued up the delayed-cancel call.
    if (waitingForDialogToClose) {
        return;
    }

    waitingForDialogToClose = true;

    // Now fire off the event that will tell the dialog to wind down.
    String eventJS =
            "(function() {" +
                    "  var event = document.createEvent('Event');" +
                    "  event.initEvent('fbPlatformDialogMustClose',true,true);" +
                    "  document.dispatchEvent(event);" +
                    "})();";
    webView.loadUrl("javascript:" + eventJS);

    // Set up a timeout for the dialog to respond. If the timer expires, we need to honor
    // the user's desire to dismiss the dialog.
    Handler handler = new Handler(Looper.getMainLooper());
    handler.postDelayed(
            new Runnable() {
                @Override
                public void run() {
                    // If we get here, then the dialog did not close quickly enough.
                    // So we need to honor the user's wish to cancel and we should do
                    // so without allowing interruptions.
                    FacebookWebFallbackDialog.super.cancel();
                }
            },
            OS_BACK_BUTTON_RESPONSE_TIMEOUT_MILLISECONDS);
}