Mobile Development 29 min read

Mastering SVG in Android: Load, Render, and Animate Vector Graphics Efficiently

This article explains why Android only supports Vector drawables, explores how to load and render SVG files using AndroidSVG, Glide, and PathView, discusses custom SvgDrawable attempts, introduces iconfont for vector icons, and provides a comprehensive comparison of Android vector graphic solutions.

Sohu Tech Products
Sohu Tech Products
Sohu Tech Products
Mastering SVG in Android: Load, Render, and Animate Vector Graphics Efficiently

01 AndroidSVG Library

AndroidSVG is an open‑source SVG parser and renderer for Android that supports most static SVG 1.1/1.2 Tiny tags (except filters and animations). Add the dependency implementation 'com.caverock:androidsvg:1.4', place an SVG file in res/raw/, and render it in an ImageView:

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ImageView imageView4Svg = findViewById(R.id.imageView4svg);
        try {
            SVG testSvg = SVG.getFromResource(this.getResources(), R.raw.test2);
            imageView4Svg.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
            imageView4Svg.setImageDrawable(new PictureDrawable(testSvg.renderToPicture()));
        } catch (SVGParseException e) {
            Log.d(TAG, e.getMessage());
        }
    }
}

Alternatively, use the provided SVGImageView widget:

SVGImageView svgImageView = findViewById(R.id.svgImageView);
svgImageView.setImageResource(R.raw.test2);
// or
SVG svg = SVG.getFromResource(this.getResources(), R.raw.test2);
svgImageView.setSVG(svg);

When using the source version of AndroidSVG, import the library module (add ':androidsvg' to settings.gradle and a project dependency in app/build.gradle) to avoid missing attributes.

AndroidSVG rendering result
AndroidSVG rendering result

02 Glide Loading SVG

Glide can load SVG URLs by integrating the AndroidSVG decoder. Add the following classes to the project (SvgDecoder, SvgDrawableTranscoder, SvgSoftwareLayerSetter, and a Glide module) and the Glide dependency:

dependencies {
    implementation "com.github.bumptech.glide:glide:4.16.0"
    annotationProcessor "com.github.bumptech.glide:compiler:4.14.2"
    implementation "com.github.bumptech.glide:annotations:4.16.0"
    implementation "com.github.bumptech.glide:okhttp3-integration:4.16.0"
}

Load a local SVG resource or a remote URL:

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ImageView imageView4glide = findViewById(R.id.imageView4glide);
        ImageView imageView4glide2 = findViewById(R.id.imageView4glide2);
        RequestBuilder<PictureDrawable> requestBuilder = Glide.with(this)
                .as(PictureDrawable.class)
                .placeholder(R.drawable.placeholder)
                .error(R.drawable.ic_error)
                .transition(withCrossFade())
                .listener(new SvgSoftwareLayerSetter());
        Uri localUri = Uri.parse(ContentResolver.SCHEME_ANDROID_RESOURCE + "://" + getPackageName() + "/" + R.raw.test2);
        requestBuilder.load(localUri).into(imageView4glide);
        Uri remoteUri = Uri.parse("https://www.w3.org/TR/SVG11/images/shapes/polygon01.svg");
        requestBuilder.load(remoteUri).into(imageView4glide2);
    }
}
Glide SVG loading result
Glide SVG loading result

03 Android‑PathView Library

PathView builds on AndroidSVG to provide simple path‑drawing animations. Add the library, place an SVG in res/raw/, and use the custom view:

<com.eftimoff.androipathview.PathView
    android:id="@+id/pathView"
    android:layout_width="150dp"
    android:layout_height="150dp"
    app:pathColor="@android:color/white"
    app:svg="@raw/monitor"
    app:pathWidth="5dp" />

Start the animation in code:

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    PathView pathView = findViewById(R.id.pathView);
    pathView.setFillAfter(true);
    pathView.useNaturalColors();
    pathView.getPathAnimator().duration(3000).start();
}
PathView animation
PathView animation

04 Custom SvgDrawable Attempts

Two approaches were tried to reuse VectorDrawable for raw SVG files. The first converts an SVG to a vector XML string and inflates it with VectorDrawable.inflate, but fails because VectorDrawable only accepts compiled resources (XmlBlock.Parser). The second uses reflection to access the internal mVectorState field, but the field no longer exists in recent Android versions, causing a NoSuchFieldException. Both attempts demonstrate that VectorDrawable cannot directly parse raw SVG content.

05 IconFont Vector Font Library

Iconfont converts SVG icons into a TTF font. After adding the generated iconfont.ttf to assets/ and referencing the character codes in a TextView, the icons behave like text—scalable and color‑changeable:

<TextView
    android:id="@+id/cjf_ttf"
    android:layout_width="300dp"
    android:layout_height="200dp"
    android:gravity="top|center_horizontal"
    android:textSize="30sp"
    android:text="眼镜:
红包:" />
TextView tv = findViewById(R.id.cjf_ttf);
Typeface tf = Typeface.createFromAsset(getAssets(), "iconfont.ttf");
tv.setTypeface(tf);
IconFont example
IconFont example

06 Summary

VectorDrawable – native Android support, simple tags, fast entry, suitable for basic graphics.

AndroidSVG – full SVG spec support, richer styles, slightly slower, works with Glide for remote SVGs.

IconFont – renders SVG icons as font glyphs, perfect for simple icons and text mixing, but no complex shapes or gradients.

AnimatedVectorDrawable – built‑in Android animation, easy to use, limited to simple property animations.

PathView – adds path‑animation on top of AndroidSVG, animation is very basic.

Lottie – handles complex After Effects animations, larger files and higher runtime cost.

Choose the solution that matches the project's graphic complexity, animation needs, and performance constraints. Simple static icons favor VectorDrawable or IconFont; complex graphics benefit from AndroidSVG or Lottie; lightweight path animations can use PathView.

AndroidMobileDevelopmentSVGiconfontGlidePathViewVectorGraphics
Sohu Tech Products
Written by

Sohu Tech Products

A knowledge-sharing platform for Sohu's technology products. As a leading Chinese internet brand with media, video, search, and gaming services and over 700 million users, Sohu continuously drives tech innovation and practice. We’ll share practical insights and tech news here.

0 followers
Reader feedback

How this landed with the community

Sign in to like

Rate this article

Was this worth your time?

Sign in to rate
Discussion

0 Comments

Thoughtful readers leave field notes, pushback, and hard-won operational detail here.