package fr.utbm.lo53.p2017.positionningapp; import android.os.Bundle; import android.os.Handler; import android.support.constraint.ConstraintLayout; import android.support.v7.widget.Toolbar; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.animation.AccelerateInterpolator; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.widget.ImageView; import android.widget.TextView; import com.android.volley.Request; import com.android.volley.RequestQueue; import com.android.volley.Response; import com.android.volley.VolleyError; import com.android.volley.toolbox.StringRequest; import com.android.volley.toolbox.Volley; public class PositioningActivity extends BaseActivity { private static final String TAG = "PositioningActivity"; private ConstraintLayout start_layout; private TextView textView; private Animation hideAnimation; // Instantiate the RequestQueue. private RequestQueue queue; private String url = "http://www.google.com"; // Request a string response from the provided URL. private StringRequest stringRequest = new StringRequest(Request.Method.GET, url, new Response.Listener() { @Override public void onResponse(String response) { // Display the first 500 characters of the response string. textView.setText("Response is: "+ response.substring(0,500)); } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError error) { Log.d(TAG, error.getCause().toString()); textView.clearComposingText(); } }); private final Handler handler = new Handler(); private final Runnable runnable = new Runnable() { @Override public void run() { // Add the request to the RequestQueue. queue.add(stringRequest); handler.postDelayed(this, 1000); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_positioning); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); start_layout = (ConstraintLayout) findViewById(R.id.start_layout); hideAnimation = createFadeOutAndHideAnimation(); textView = (TextView) findViewById(R.id.ID_yolo); queue = Volley.newRequestQueue(this); } @Override protected void onDestroy() { handler.removeCallbacks(runnable); super.onDestroy(); } @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); MenuItem item = menu.findItem(R.id.open_calibration_activity); item.setVisible(true); return true; } public void startLocating(View v) { start_layout.startAnimation(hideAnimation); handler.post(runnable); } private Animation createFadeOutAndHideAnimation() { ImageView hiding_image = (ImageView) findViewById(R.id.hiding_image); final float initial_alpha = hiding_image.getImageAlpha() / 255; Animation animation = new AlphaAnimation(initial_alpha, 0); animation.setInterpolator(new AccelerateInterpolator()); animation.setDuration(1000); animation.setAnimationListener(new Animation.AnimationListener() { public void onAnimationEnd(Animation animation) { start_layout.setVisibility(View.GONE); } public void onAnimationRepeat(Animation animation) {} public void onAnimationStart(Animation animation) {} }); return animation; } }