jianzhongli / MathView

A library for displaying math formula in Android apps.
Apache License 2.0
1.01k stars 188 forks source link

Rendering problems #29

Open NAYIR55 opened 7 years ago

NAYIR55 commented 7 years ago

I hope this project stil alive, I'm very interested in adding math formulas

Tools:

I did follow the steps to import the dependencies but this error suddenly appeared:

java.lang.NoSuchMethodError: io.github.kexanie.library.MathView.getSettings()Landroid/webkit/WebSettings;
    at io.github.kexanie.library.MathView.<init>(MathView.java:24)
    at sun.reflect.GeneratedConstructorAccessor482.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at org.jetbrains.android.uipreview.ViewLoader.createNewInstance(ViewLoader.java:465)
    at org.jetbrains.android.uipreview.ViewLoader.loadClass(ViewLoader.java:172)
    at org.jetbrains.android.uipreview.ViewLoader.loadView(ViewLoader.java:105)
    at com.android.tools.idea.rendering.LayoutlibCallbackImpl.loadView(LayoutlibCallbackImpl.java:186)
    at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:334)
    at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:345)
    at android.view.BridgeInflater.createViewFromTag(BridgeInflater.java:245)
    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:727)
    at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:858)
    at android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:70)
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:834)
    at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:821)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:518)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
    at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:324)
    at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:429)
    at com.android.ide.common.rendering.LayoutLibrary.createSession(LayoutLibrary.java:389)
    at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:548)
    at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:533)
    at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:966)
    at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:533)
    at com.android.tools.idea.rendering.RenderTask.lambda$inflate$72(RenderTask.java:659)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

Here is my layout:

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
                                             xmlns:app="http://schemas.android.com/apk/res-auto"
                                             xmlns:auto="http://schemas.android.com/apk/res-auto"
                                             xmlns:tools="http://schemas.android.com/tools"
                                             android:layout_width="match_parent"
                                             android:layout_height="match_parent">

    <io.github.kexanie.library.MathView
        android:id="@+id/formula_test"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        auto:text="When \\(a \\ne 0\\), there are two solutions to \\(ax^2 + bx + c = 0\\)
        and they are $$x = {-b \\pm \\sqrt{b^2-4ac} \\over 2a}.$$"
        auto:engine="MathJax">

    </io.github.kexanie.library.MathView>
</android.support.constraint.ConstraintLayout>

I don't know what is wrong

Hope you can solve this problem

Thanks

moliata commented 6 years ago

Please update to Android Studio v3 and your issue will be solved.