How to Display Animated GIF in an Android

Graphics Interchange Format(GIF) pictures play a huge part in little picture movement. Actually Android doesn’t provide any support for GIF animation in the image view, but displaying a GIF image in an android application is not an exhausting process. This article gives you a complete information about displaying GIF in an android

Create a package named “Utils” under src folder and create a class named “GifImageView”

public class GifImageView extends View {
    private InputStream mInputStream;
    private Movie mMovie;
    private int mWidth, mHeight;
    private long mStart;
    private Context mContext;
    public GifImageView(Context context) {
        super(context);
        this.mContext = context;
    }
    public GifImageView(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }
    public GifImageView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        this.mContext = context;
        if (attrs.getAttributeName(1).equals("background")) {
            int id = Integer.parseInt(attrs.getAttributeValue(1).substring(1));
            setGifImageResource(id);
        }
    }
    private void init() {
        setFocusable(true);
        mMovie = Movie.decodeStream(mInputStream);
        mWidth = mMovie.width();
        mHeight = mMovie.height();
        requestLayout();
    }
    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        setMeasuredDimension(mWidth, mHeight);
    }
    @Override
    protected void onDraw(Canvas canvas) {
        long now = SystemClock.uptimeMillis();
        if (mStart == 0) {
            mStart = now;
        }
        if (mMovie != null) {
            int duration = mMovie.duration();
            if (duration == 0) {
                duration = 1000;
            }
            int relTime = (int) ((now - mStart) % duration);
            mMovie.setTime(relTime);
            mMovie.draw(canvas, 0, 0);
            invalidate();
        }
    }
    public void setGifImageResource(int id) {
        mInputStream = mContext.getResources().openRawResource(id);
        init();
    }
    public void setGifImageUri(Uri uri) {
        try {
            mInputStream = mContext.getContentResolver().openInputStream(uri);
            init();
        } catch (FileNotFoundException e) {
            Log.e("GIfImageView", "File not found");
        }
    }
}

Now define GifImageView in MainActivity
File: src/activity/MainActivity.class

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        GifImageView gifImageView = (GifImageView) findViewById(R.id.GifImageView);
        gifImageView.setGifImageResource(R.drawable.smartphone_drib);
    }
}

Now UI Part
File: res/layout/activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:gravity="center"
    android:background="#111E39"
    tools:context=".Activity.MainActivity">
    <com.android.animatedgif.Utils.GifImageView
        android:id="@+id/GifImageView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true" />
   
</RelativeLayout>

Download code at github 
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