****Main ACTIVITY****
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.TextView;
public class MainActivity extends Activity {
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView texto = (TextView) findViewById(R.id.textView);
Animation animacion = AnimationUtils.loadAnimation(this,
R.anim.animacion);
texto.startAnimation(animacion);
}
@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;
}
}
****DENTRO DE UNA CARPETA ANIM animacion.xml******
<set xmlns:android="http://schemas.android.com/apk/res/android">
<scale
android:duration="2000"
android:fromXScale="2.0"
android:fromYScale="2.0"
android:toXScale="1.0"
android:toYScale="1.0" />
<rotate
android:startOffset="2000"
android:duration="2000"
android:fromDegrees="0"
android:toDegrees="360"
android:pivotX="50%"
android:pivotY="50%"/>
<translate
android:startOffset="4000"
android:duration="2000"
android:fromXDelta="0"
android:fromYDelta="0"
android:toXDelta="50"
android:toYDelta="100" />
<alpha
android:startOffset="4000"
android:duration="2000"
android:fromAlpha="1"
android:toAlpha="0" />
</set>
******VISTA 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"
tools:context=".MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world"
android:id="@+id/textView"
/>
</RelativeLayout>
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