Android studio Animate a Bitmap example

 Android studio Animate a Bitmap example

In this Tutorial Learn Android studio to Animate a Bitmap example follow this tutorial.

1. Main Activity.java:

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

 

public class MainActivity extends Activity {

 

    animate var;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        var = new animate(this);

        setContentView(var);

    }

 

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.main, menu);

        return true;

    }

 

}

2. Animate.java:

import android.content.Context;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.Rect;

import android.view.View;

 

public class animate extends View{

 

    Bitmap bm;

    int x, y;

    public animate(Context context) {

        super(context);

        // TODO Auto-generated constructor stub

        bm=BitmapFactory.decodeResource(getResources(), R.drawable.image4);

        x = 0; y = 0;

    }

 

    @Override

    protected void onDraw(Canvas canvas) {

        // TODO Auto-generated method stub

        super.onDraw(canvas);

        Rect myrect = new Rect(0, 0, canvas.getWidth(),canvas.getHeight()/2);

        Paint pa = new Paint();

        pa.setColor(Color.BLUE);

        pa.setStyle(Paint.Style.FILL);

        canvas.drawRect(myrect, pa);

 

        if (x < canvas.getWidth()) {

            x += 10;

        }

        else {

            x = 0;

        }

        if (y < canvas.getHeight()) {

            y += 10;

        }

        else {

            y = 0;

        }

        canvas.drawBitmap(bm, x, y, new Paint());

        invalidate();//calls this method again and again

    }

 

}