Example usage for android.view View OVER_SCROLL_IF_CONTENT_SCROLLS

List of usage examples for android.view View OVER_SCROLL_IF_CONTENT_SCROLLS

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Introduction

In this page you can find the example usage for android.view View OVER_SCROLL_IF_CONTENT_SCROLLS.

Prototype

int OVER_SCROLL_IF_CONTENT_SCROLLS

To view the source code for android.view View OVER_SCROLL_IF_CONTENT_SCROLLS.

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Document

Allow a user to over-scroll this view only if the content is large enough to meaningfully scroll, provided it is a view that can scroll.

Usage

From source file:fr.cobaltians.cobalt.fragments.CobaltFragment.java

protected void setWebViewSettings(Object javascriptInterface) {
    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)
        mWebView.setLayerType(View.LAYER_TYPE_HARDWARE, null);

    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.GINGERBREAD)
        mWebView.setOverScrollMode(View.OVER_SCROLL_IF_CONTENT_SCROLLS);
    mWebView.setScrollListener(this);
    mWebView.setScrollBarStyle(WebView.SCROLLBARS_INSIDE_OVERLAY);

    // Enables JS
    WebSettings webSettings = mWebView.getSettings();
    webSettings.setJavaScriptEnabled(true);

    // Enables and setups JS local storage
    webSettings.setDomStorageEnabled(true);
    webSettings.setDatabaseEnabled(true);
    //@deprecated since API 19. But calling this method have simply no effect for API 19+
    webSettings.setDatabasePath(mContext.getFilesDir().getParentFile().getPath() + "/databases/");

    // Enables cross-domain calls for Ajax
    allowAjax();//from  www .j av  a2 s  .c om

    // Fix some focus issues on old devices like HTC Wildfire
    // keyboard was not properly showed on input touch.
    mWebView.requestFocus(View.FOCUS_DOWN);
    mWebView.setOnTouchListener(new View.OnTouchListener() {

        @Override
        public boolean onTouch(View view, MotionEvent event) {
            switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
            case MotionEvent.ACTION_UP:
                if (!view.hasFocus()) {
                    view.requestFocus();
                }
                break;
            default:
                break;
            }

            return false;
        }
    });

    // Add JavaScript interface so JavaScript can call native functions.
    mWebView.addJavascriptInterface(javascriptInterface, "Android");
    mWebView.addJavascriptInterface(new LocalStorageJavaScriptInterface(mContext), "LocalStorage");

    WebViewClient webViewClient = new WebViewClient() {

        @Override
        public void onPageFinished(WebView view, String url) {
            executeWaitingCalls();
        }
    };

    mWebView.setWebViewClient(webViewClient);
}

From source file:org.cobaltians.cobalt.fragments.CobaltFragment.java

protected void setWebViewSettings(CobaltFragment javascriptInterface) {
    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)
        mWebView.setLayerType(View.LAYER_TYPE_HARDWARE, null);

    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.GINGERBREAD)
        mWebView.setOverScrollMode(View.OVER_SCROLL_IF_CONTENT_SCROLLS);
    mWebView.setScrollListener(this);
    mWebView.setScrollBarStyle(WebView.SCROLLBARS_INSIDE_OVERLAY);

    // Enables JS
    WebSettings webSettings = mWebView.getSettings();
    webSettings.setJavaScriptEnabled(true);

    // Enables and setups JS local storage
    webSettings.setDomStorageEnabled(true);
    webSettings.setDatabaseEnabled(true);
    //@deprecated since API 19. But calling this method have simply no effect for API 19+
    webSettings.setDatabasePath(mContext.getFilesDir().getParentFile().getPath() + "/databases/");

    // Enables cross-domain calls for Ajax
    allowAjax();/*from www.  j a  va 2s . c  o  m*/

    // Fix some focus issues on old devices like HTC Wildfire
    // keyboard was not properly showed on input touch.
    mWebView.requestFocus(View.FOCUS_DOWN);
    mWebView.setOnTouchListener(new View.OnTouchListener() {

        @Override
        public boolean onTouch(View view, MotionEvent event) {
            switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
            case MotionEvent.ACTION_UP:
                if (!view.hasFocus()) {
                    view.requestFocus();
                }
                break;
            default:
                break;
            }

            return false;
        }
    });

    //Enable Webview debugging from chrome desktop
    if (Cobalt.DEBUG && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        WebView.setWebContentsDebuggingEnabled(true);
    }

    // Add JavaScript interface so JavaScript can call native functions.
    mWebView.addJavascriptInterface(javascriptInterface, "Android");
    mWebView.addJavascriptInterface(new LocalStorageJavaScriptInterface(mContext), "LocalStorage");

    WebViewClient webViewClient = new WebViewClient() {

        @Override
        public void onPageFinished(WebView view, String url) {
            executeWaitingCalls();
        }
    };

    mWebView.setWebViewClient(webViewClient);
}

From source file:com.android.internal.widget.ViewPager.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    boolean needsInvalidate = false;

    final int overScrollMode = getOverScrollMode();
    if (overScrollMode == View.OVER_SCROLL_ALWAYS || (overScrollMode == View.OVER_SCROLL_IF_CONTENT_SCROLLS
            && mAdapter != null && mAdapter.getCount() > 1)) {
        if (!mLeftEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();
            final int width = getWidth();

            canvas.rotate(270);/*www . j av  a 2  s  . com*/
            canvas.translate(-height + getPaddingTop(), mFirstOffset * width);
            mLeftEdge.setSize(height, width);
            needsInvalidate |= mLeftEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
        if (!mRightEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int width = getWidth();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();

            canvas.rotate(90);
            canvas.translate(-getPaddingTop(), -(mLastOffset + 1) * width);
            mRightEdge.setSize(height, width);
            needsInvalidate |= mRightEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }

    if (needsInvalidate) {
        // Keep animating
        postInvalidateOnAnimation();
    }
}

From source file:example.luojing.androidsourceanalysis.ViewPager.java

/**
 * ?????//from  ww  w  .j  a v  a2 s.  c  om
 */
@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    boolean needsInvalidate = false;

    final int overScrollMode = getOverScrollMode();
    if (overScrollMode == View.OVER_SCROLL_ALWAYS || (overScrollMode == View.OVER_SCROLL_IF_CONTENT_SCROLLS
            && mAdapter != null && mAdapter.getCount() > 1)) {
        if (!mLeftEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();
            final int width = getWidth();

            canvas.rotate(270);
            canvas.translate(-height + getPaddingTop(), mFirstOffset * width);
            mLeftEdge.setSize(height, width);
            needsInvalidate |= mLeftEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
        if (!mRightEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int width = getWidth();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();

            canvas.rotate(90);
            canvas.translate(-getPaddingTop(), -(mLastOffset + 1) * width);
            mRightEdge.setSize(height, width);
            needsInvalidate |= mRightEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }

    if (needsInvalidate) {
        // Keep animating
        ViewCompat.postInvalidateOnAnimation(this);
    }
}

From source file:com.example.sky.test.view.ViewPager.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    boolean needsInvalidate = false;

    final int overScrollMode = getOverScrollMode();
    if (overScrollMode == View.OVER_SCROLL_ALWAYS || (overScrollMode == View.OVER_SCROLL_IF_CONTENT_SCROLLS
            && mAdapter != null && mAdapter.getCount() > 1)) {
        if (!mLeftEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();
            final int width = getWidth();

            canvas.rotate(270);//from  w  ww.  j  a  v  a2s  . co m
            canvas.translate(-height + getPaddingTop(), mFirstOffset * width);
            mLeftEdge.setSize(height, width);
            needsInvalidate |= mLeftEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
        if (!mRightEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int width = getWidth();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();

            canvas.rotate(90);
            canvas.translate(-getPaddingTop(), -(mLastOffset + 1) * width);
            mRightEdge.setSize(height, width);
            needsInvalidate |= mRightEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }

    if (needsInvalidate) {
        // Keep animating
        ViewCompat.postInvalidateOnAnimation(this);
    }
}