Example usage for android.webkit WebView removeAllViews

Introduction

In this page you can find the example usage for android.webkit WebView removeAllViews.

Prototype

public void removeAllViews() 

Source Link

Document

Call this method to remove all child views from the ViewGroup.

Usage

From source file:meizhi.meizhi.malin.utils.DestroyCleanUtil.java

@SuppressLint("ObsoleteSdkInt")
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public static void unBindView(View view) {
    if (view == null)
        return;//w w w .jav  a  2 s. c o  m
    Drawable drawable;
    int i;
    //1.
    try {
        view.setOnClickListener(null);
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //2.
    try {
        view.setOnCreateContextMenuListener(null);
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //3.
    try {
        view.setOnFocusChangeListener(null);
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //4.
    try {
        view.setOnKeyListener(null);
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //5.
    try {
        view.setOnLongClickListener(null);
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //6.
    try {
        view.setOnTouchListener(null);
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //7.
    try {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
            view.setOnApplyWindowInsetsListener(null);
        }
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //8.
    try {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            view.setOnContextClickListener(null);
        }
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //9.
    try {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            view.setOnScrollChangeListener(null);
        }
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //10.
    try {
        view.setOnDragListener(null);
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //11.
    try {
        view.setOnGenericMotionListener(null);
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //12.
    try {
        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.HONEYCOMB_MR2) {//13
            view.setOnHoverListener(null);
        }
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    //13.
    try {
        view.setOnSystemUiVisibilityChangeListener(null);
    } catch (Throwable e) {
        CrashReport.postCatchedException(e);
    }

    /**
     * @see SwipeRefreshLayout#onDetachedFromWindow()
     */
    if (view.getBackground() != null && !view.getClass().getName().equals(CIRCLE_CLASS)) {
        try {
            view.getBackground().setCallback(null);
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {//16
                view.setBackgroundDrawable(null);
            } else {
                view.setBackground(null);
            }
        } catch (Throwable e) {
            CrashReport.postCatchedException(e);
        }
    }

    //ImageView
    if (view instanceof ImageView) {
        try {
            ImageView imageView = (ImageView) view;
            drawable = imageView.getDrawable();
            if (drawable != null) {
                drawable.setCallback(null);
            }
            imageView.setImageDrawable(null);
            imageView.setImageBitmap(null);
        } catch (Throwable e) {
            CrashReport.postCatchedException(e);
        }
    }

    //TextView
    if (view instanceof TextView) {
        try {
            TextView textView = (TextView) view;
            textView.setCompoundDrawables(null, null, null, null);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
                textView.setCompoundDrawablesRelative(null, null, null, null);
            }
            textView.setCursorVisible(false);
        } catch (Throwable e) {
            CrashReport.postCatchedException(e);
        }
    }

    //ImageButton
    if (view instanceof ImageButton) {
        try {
            ImageButton imageButton = (ImageButton) view;
            drawable = imageButton.getDrawable();
            if (drawable != null) {
                drawable.setCallback(null);
            }
            imageButton.setImageDrawable(null);
            imageButton.setImageBitmap(null);
        } catch (Throwable e) {
            CrashReport.postCatchedException(e);
        }
    }

    //ListView
    if (view instanceof ListView) {
        ListView listView = (ListView) view;

        try {
            listView.setAdapter(null);
        } catch (Throwable e) {
            CrashReport.postCatchedException(e);
        }

        try {
            listView.setOnScrollListener(null);
        } catch (Throwable e) {
            CrashReport.postCatchedException(e);
        }

        try {
            listView.setOnItemClickListener(null);
        } catch (Throwable e) {
            CrashReport.postCatchedException(e);
        }

        try {
            listView.setOnItemLongClickListener(null);
        } catch (Throwable e) {
            CrashReport.postCatchedException(e);
        }

        try {
            listView.setOnItemSelectedListener(null);
        } catch (Throwable e) {
            CrashReport.postCatchedException(e);
        }
    }

    //RecyclerView
    if (view instanceof RecyclerView) {
        try {
            RecyclerView recyclerView = (RecyclerView) view;
            recyclerView.setAdapter(null);
            recyclerView.setChildDrawingOrderCallback(null);
            recyclerView.setOnScrollListener(null);
            recyclerView.addOnScrollListener(null);
            recyclerView.removeOnScrollListener(null);
            recyclerView.setRecyclerListener(null);
        } catch (Throwable e) {
            CrashReport.postCatchedException(e);
        }
    }

    //WebView
    if (view instanceof WebView) {

        WebView webView = (WebView) view;
        try {
            webView.stopLoading();
        } catch (Throwable ignored) {
            CrashReport.postCatchedException(ignored);
        }

        try {
            webView.removeAllViews();
        } catch (Throwable ignored) {
            CrashReport.postCatchedException(ignored);
        }

        try {
            webView.setWebChromeClient(null);
        } catch (Throwable ignored) {
            CrashReport.postCatchedException(ignored);
        }

        try {
            webView.setWebViewClient(null);
        } catch (Throwable ignored) {
            CrashReport.postCatchedException(ignored);
        }

        try {
            webView.destroy();
        } catch (Throwable ignored) {
            CrashReport.postCatchedException(ignored);
        }

        try {
            if (null != view.getParent() && view.getParent() instanceof ViewGroup) {
                ((ViewGroup) view.getParent()).removeView(view);
            }
        } catch (Throwable ignored) {
            CrashReport.postCatchedException(ignored);
        }

    }

    //SurfaceView
    if (view instanceof SurfaceView) {
        try {
            SurfaceView surfaceView = (SurfaceView) view;
            SurfaceHolder holder = surfaceView.getHolder();
            if (holder != null) {
                Surface surface = holder.getSurface();
                if (surface != null) {
                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
                        surface.release();
                    }
                }
            }
        } catch (Throwable ignored) {
            CrashReport.postCatchedException(ignored);
        }
    }

    view.destroyDrawingCache();
    view.clearAnimation();

    if (view instanceof ViewGroup) {
        ViewGroup viewGroup = (ViewGroup) view;
        int childCount = (viewGroup).getChildCount();
        for (i = 0; i < childCount; i++) {
            unBindView((viewGroup).getChildAt(i));
        }
    }
}

---

From source file:com.just.agentweb.AgentWebUtils.java

static final void clearWebView(WebView m) {

    if (m == null) {
        return;/* w  w  w.  j a v a2s  . co m*/
    }
    if (Looper.myLooper() != Looper.getMainLooper()) {
        return;
    }
    m.loadUrl("about:blank");
    m.stopLoading();
    if (m.getHandler() != null) {
        m.getHandler().removeCallbacksAndMessages(null);
    }
    m.removeAllViews();
    ViewGroup mViewGroup = null;
    if ((mViewGroup = ((ViewGroup) m.getParent())) != null) {
        mViewGroup.removeView(m);
    }
    m.setWebChromeClient(null);
    m.setWebViewClient(null);
    m.setTag(null);
    m.clearHistory();
    m.destroy();
    m = null;

}

---