PositioningActivity.java
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package fr.utbm.lo53.p2017.positionningapp;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.widget.Button;
import android.widget.ImageView;
public class PositioningActivity extends AppCompatActivity {
private ImageView alphaBackground;
private Button buttonStart;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_positioning);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
alphaBackground = (ImageView) findViewById(R.id.alpha_background);
buttonStart = (Button) findViewById(R.id.button_start);
buttonStart.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
fadeOutAndHideImage();
}
});
}
private void fadeOutAndHideImage() {
Animation fadeOut = new AlphaAnimation(1, 0);
fadeOut.setInterpolator(new AccelerateInterpolator());
fadeOut.setDuration(1000);
fadeOut.setAnimationListener(new Animation.AnimationListener() {
public void onAnimationEnd(Animation animation) {
alphaBackground.setVisibility(View.GONE);
buttonStart.setVisibility(View.GONE);
}
public void onAnimationRepeat(Animation animation) {}
public void onAnimationStart(Animation animation) {}
});
alphaBackground.startAnimation(fadeOut);
buttonStart.startAnimation(fadeOut);
}
}