set WebView Display Zoom Control - Android User Interface

Android examples for User Interface:WebView Zoom

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Description

set WebView Display Zoom Control

Demo Code


//package com.java2s;
import java.lang.reflect.InvocationTargetException;
import android.annotation.TargetApi;

import android.os.Build;

import android.view.View;

import android.webkit.WebView;

import android.widget.ZoomButtonsController;

public class Main {
    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public static void setDisplayZoomControl(WebView mWebview, boolean flg) {
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
            // Use the API 11+ calls to disable the controls
            mWebview.getSettings().setDisplayZoomControls(flg);
        } else {//from w  ww. j a v a 2s. c  om
            ZoomButtonsController zoom_controll;
            try {
                zoom_controll = (ZoomButtonsController) mWebview.getClass()
                        .getMethod("getZoomButtonsController")
                        .invoke(mWebview, null);
                if (zoom_controll != null) {
                    if (flg) {
                        zoom_controll.getContainer().setVisibility(
                                View.VISIBLE);
                    } else {
                        zoom_controll.getContainer().setVisibility(
                                View.GONE);
                    }
                }
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                e.printStackTrace();
            } catch (NoSuchMethodException e) {
                e.printStackTrace();
            }

        }
    }
}

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