My webView started to lag so bad, when I scroll it down, it suddenly goes back to the top of the site displayed in it, and some days ago it worked perfectly. with a movement of my thumb it used to go all down to the bottom of the site with no issues.
I´ve been trying to fix this issue, I suppose it started after I had to make the following changes in the manifest:
android:hardwareAccelerated="false"
android:largeHeap="true"
I did this change because suddenly my app started to crash when starting, and looking on the web I found that setting the hardwareAcellerated to false could be a possible solution, and it worked the app started to work normally but the webView was affected bad.
this is the error I got from logcat when changing the hardwareAccelerated="true":
08-27 04:46:01.722 20554-20554/com.newapp.test E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.newapp.test, PID: 20554
java.lang.RuntimeException: Canvas: trying to draw too large(139560960bytes) bitmap.
at android.view.DisplayListCanvas.throwIfCannotDraw(DisplayListCanvas.java:260)
at android.graphics.Canvas.drawBitmap(Canvas.java:1420)
at android.graphics.drawable.BitmapDrawable.draw(BitmapDrawable.java:545)
at android.widget.ImageView.onDraw(ImageView.java:1286)
at android.view.View.draw(View.java:18398)
at android.view.View.updateDisplayListIfDirty(View.java:17376)
at android.view.View.draw(View.java:18160)
at android.view.ViewGroup.drawChild(ViewGroup.java:3968)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3754)
at android.support.constraint.ConstraintLayout.dispatchDraw(ConstraintLayout.java:1964)
at android.view.View.updateDisplayListIfDirty(View.java:17371)
at android.view.View.draw(View.java:18160)
at android.view.ViewGroup.drawChild(ViewGroup.java:3968)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3754)
at android.view.View.updateDisplayListIfDirty(View.java:17371)
at android.view.View.draw(View.java:18160)
at android.view.ViewGroup.drawChild(ViewGroup.java:3968)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3754)
at android.view.View.updateDisplayListIfDirty(View.java:17371)
at android.view.View.draw(View.java:18160)
at android.view.ViewGroup.drawChild(ViewGroup.java:3968)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3754)
at android.view.View.updateDisplayListIfDirty(View.java:17371)
at android.view.View.draw(View.java:18160)
at android.view.ViewGroup.drawChild(ViewGroup.java:3968)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3754)
at android.view.View.updateDisplayListIfDirty(View.java:17371)
at android.view.View.draw(View.java:18160)
at android.view.ViewGroup.drawChild(ViewGroup.java:3968)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3754)
at android.view.View.draw(View.java:18401)
at com.android.internal.policy.DecorView.draw(DecorView.java:969)
at android.view.View.updateDisplayListIfDirty(View.java:17376)
at android.view.ThreadedRenderer.updateViewTreeDisplayList(ThreadedRenderer.java:722)
at android.view.ThreadedRenderer.updateRootDisplayList(ThreadedRenderer.java:728)
at android.view.ThreadedRenderer.draw(ThreadedRenderer.java:836)
at android.view.ViewRootImpl.draw(ViewRootImpl.java:3168)
at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2964)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2552)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1537)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:7183)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:959)
at android.view.Choreographer.doCallbacks(Choreographer.java:734)
at android.view.Choreographer.doFrame(Choreographer.java:670)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:945)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6776)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1496)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1386)
If you can tell me where I can find that bitmap the error says, it would be very appreciated because in my drawable folder i have none. The bigger image file is a 90kb png.
I tried to keep the hardwareAccelerated="false" in manifest, and use this solution I found in here:
if (Build.VERSION.SDK_INT >= 15) {
// chromium, enable hardware acceleration
webView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
} else {
// older android version, disable hardware acceleration
webView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
}
but it didn´t work either.
Btw I´m using this to force the site to load inside the webView:
inner class MyClient : WebViewClient() {
override fun shouldOverrideUrlLoading(view: WebView, url: String): Boolean {
view.loadUrl(url)
return true
}
}
These are my webview settings:
webView.apply {
settings.javaScriptEnabled = true
settings.setSupportZoom(true)
settings.setBuiltInZoomControls(true)
settings.setDisplayZoomControls(false)
settings.loadWithOverviewMode = true
settings.useWideViewPort = true
webViewClient = MyClient()
}
and this is my webView:
<WebView
android:id="@+id/webView"
android:layout_width="wrap_content"
android:layout_height="match_parent" />
</LinearLayout>
thank you in advance for your support.
