解决webView加载http请求图片不展示问题

通过调用setMixedContentMode api 解决webView加载http请求图片不展示问题

WebView  webview = findViewById(R.id.webview);
WebSettings webViewSettings = webView.getSettings();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 webViewSettings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
}

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <WebView
        android:id="@+id/webView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent">
    </WebView>
</android.support.constraint.ConstraintLayout>