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  • How to create Accelerate image in android

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    In the below example I have created a  Accelerate image function. Here I have added Button and ImageView in activity_main.xml layout then I have created new directory (anim). In anim directory I have created accelerate_decelerate.xml layout and in MainActivity I have used AnimationUtils.loadAnimation function setOnClickListener method. You can see below program it will clearly describe you to Accelerate  image in android.

    Step(1)activity_main.xml-
    <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical" >
    
    
        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:orientation="horizontal">
            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="fill_parent"
                android:orientation="vertical"
                android:gravity="bottom"
                android:layout_margin="30dp">
                <ImageView
                    android:id="@+id/image"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:src="@drawable/one"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:orientation="vertical">
                <Button
                    android:id="@+id/acceleratedecelerate"
                    android:layout_marginTop="20dp"
                    android:layout_width="190dp"
                    android:layout_height="wrap_content"
                    android:background="@color/colorAccent"
                    android:text="Click button"/>
                </LinearLayout>
            </LinearLayout>
        </LinearLayout>
    
        Step(2)-MainActivity-
        public class MainActivity extends AppCompatActivity {
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
    
            final Animation animAccelerateDecelerate = AnimationUtils.loadAnimation(this, R.anim.accelerate_decelerate);
            final ImageView image = (ImageView)findViewById(R.id.image);
            Button btnAccelerateDecelerate = (Button)findViewById(R.id.acceleratedecelerate);
            btnAccelerateDecelerate.setOnClickListener(new Button.OnClickListener(){
    
                @Override
                public void onClick(View arg0) {
                    image.startAnimation(animAccelerateDecelerate);
    
                }});
        }
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // Inflate the menu; this adds items to the action bar if it is present.
            getMenuInflater().inflate(R.menu.menu_main, menu);
            return true;
        }
    
        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
            // Handle action bar item clicks here. The action bar will
            // automatically handle clicks on the Home/Up button, so long
            // as you specify a parent activity in AndroidManifest.xml.
            int id = item.getItemId();
    
            //noinspection SimplifiableIfStatement
            if (id == R.id.action_settings) {
                return true;
            }
    
            return super.onOptionsItemSelected(item);
        }
    }
    
    Step(3)-In anim directory I have created accelerate_decelerate.xml layout-
    <?xml version="1.0" encoding="utf-8"?>
    <set xmlns:android="http://schemas.android.com/apk/res/android"
        android:interpolator="@android:anim/accelerate_decelerate_interpolator">
        <translate
            android:fromYDelta="-100%p"
            android:toYDelta="0"
            android:duration="2000"/>
    </set>

     

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