Android – How to enable zoom controls and pinch zoom in a WebView

androidwebview

The default Browser app for Android shows zoom controls when you're scrolling and also allows for pinch zooming. How can I enable this feature for my own Webview?

I've tried:

webSettings.setBuiltInZoomControls(true);
webSettings.setSupportZoom(true);

but neither of the features get enabled as a result. Btw I've set a WebChromeClient and a WebViewClient for the Webview if that makes a difference.

Thanks!

Best Answer

Strange. Inside OnCreate method, I'm using

webView.getSettings().setBuiltInZoomControls(true);

And it's working fine here. Anything particular in your webview ?

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Android – How to center text horizontally and vertically in a TextView

I'm assuming you're using XML layout.

<TextView  
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:gravity="center"
    android:text="@string/**yourtextstring**"
/>

You can also use gravity center_vertical or center_horizontal according to your need.

and as @stealthcopter commented in java: .setGravity(Gravity.CENTER);

Android – enable/disable zoom in Android WebView

On API >= 11, you can use:

wv.getSettings().setBuiltInZoomControls(true);
wv.getSettings().setDisplayZoomControls(false);

As per the SDK:

public void setDisplayZoomControls (boolean enabled)

Since: API Level 11

Sets whether the on screen zoom buttons are used. A combination of built in zoom controls enabled and on screen zoom controls disabled allows for pinch to zoom to work without the on screen controls

Best Answer

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Android – How to center text horizontally and vertically in a TextView

Android – enable/disable zoom in Android WebView

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