J'ai codé une application où, lorsque les utilisateurs tapent sur un ImageView, il va basculer de l'autre côté. Au début, imgFront sera affiché. Au démarrage, imgBack doit être affiché sur le même axe que imgFront. Cependant, cela n'arrive pas mais mon application est capable de fonctionner correctement. Des idées sur quel est le problème?Android: Impossible de retourner
Java:
import android.animation.AnimatorInflater;
import android.animation.AnimatorSet;
import android.media.Image;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
ImageView imgFront;
ImageView imgBack;
ImageView imageView3;
ImageView imageView4;
boolean isBackVisible = false; // Boolean variable to check if the back image is visible currently
AnimatorSet setRightOut;
AnimatorSet setLeftIn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setRightOut = (AnimatorSet) AnimatorInflater.loadAnimator(getApplicationContext(), R.animator.flight_right_out);
setLeftIn = (AnimatorSet) AnimatorInflater.loadAnimator(getApplicationContext(), R.animator.flight_left_in);
imgFront = (ImageView) findViewById(R.id.imgFront);
imgFront.setOnClickListener(this);
imgBack = (ImageView) findViewById(R.id.imgBack);
imgBack.setOnClickListener(this);
imageView3 = (ImageView) findViewById(R.id.imageView3);
imageView3.setOnClickListener(this);
imageView4 = (ImageView) findViewById(R.id.imageView4);
imageView4.setOnClickListener(this);
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.imgFront:
if (!isBackVisible) {
setRightOut.setTarget(this.imgFront);
setLeftIn.setTarget(this.imgBack);
setRightOut.start();
setLeftIn.start();
isBackVisible = true;
} else {
setRightOut.setTarget(this.imgBack);
setLeftIn.setTarget(this.imgFront);
setRightOut.start();
setLeftIn.start();
isBackVisible = false;
}
break;
case R.id.imageView3:
if (!isBackVisible) {
setRightOut.setTarget(this.imageView3);
setLeftIn.setTarget(this.imageView4);
setRightOut.start();
setLeftIn.start();
isBackVisible = true;
} else {
setRightOut.setTarget(this.imageView4);
setLeftIn.setTarget(this.imageView3);
setRightOut.start();
setLeftIn.start();
isBackVisible = false;
}
break;
}
}
@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);
}
}
Activity.xml:
<RelativeLayout
android:layout_width="90dp"
android:layout_height="90dp"
android:layout_marginTop="80dp"
android:clickable="false">
<ImageView
android:id="@+id/imgFront"
android:layout_width="90dp"
android:layout_height="90dp"
android:src="@drawable/front"
android:layout_alignTop="@+id/imgBack"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:contentDescription="@string/imgFront"
android:clickable="false" />
<ImageView
android:id="@+id/imgBack"
android:layout_width="90dp"
android:layout_height="90dp"
android:alpha="0"
android:src="@drawable/back"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:contentDescription="@string/imgBack"
android:clickable="false" />
</RelativeLayout>
<RelativeLayout
android:layout_width="90dp"
android:layout_height="90dp"
android:layout_marginTop="80dp"
android:layout_marginLeft="130dp"
android:clickable="false">
<ImageView
android:id="@+id/imageView3"
android:layout_width="90dp"
android:layout_height="90dp"
android:src="@drawable/front"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:contentDescription="@string/imgFront3"
android:clickable="false" />
<ImageView
android:id="@+id/imageView4"
android:layout_width="90dp"
android:layout_height="90dp"
android:alpha="0"
android:src="@drawable/back"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:contentDescription="imgBack3"
android:clickable="false" />
</RelativeLayout>