如何防止动画与安卓设备旋转的冲突?
2022-09-03 16:12:08
我有一个两个按钮对象在活动中这个对象有一些移动动画与对象动画器这些动画工作完美,但是当动画在后台运行时,我想旋转设备一些时间纵向模式坐标在对象动画器中以横向模式运行或反向运行。
ObjectAnimator move_next_btn = ObjectAnimator.ofFloat(next_btn, "x", next_btn.getX(),
next_btn.getX() + next_btn.getWidth());
在上面的代码中,按钮应该走出屏幕,但是在此行运行之后,如果设备旋转到横向模式按钮进入中间屏幕,我认为当发生此问题时,纵向坐标在横向模式下运行。
我用图片给出了更多细节:
- 这是我的图片查看器,当用户不触摸带有动画的屏幕按钮离开屏幕时,侧面有两个按钮:
- 第二张图片显示其中一个箭头是隐藏的(也许)我认为这是因为当动画想要运行时,我是旋转屏幕和箭头保持在屏幕外:
- 在第三个图像中,当动画在纵向模式下运行时,我旋转到横向模式并且箭头保持在屏幕中心,当然,如果再次旋转到横向箭头,则此图像以纵向模式呈现:
这恰好发生在移动动画(代码上方的int)和屏幕旋转同时运行时,并不总是如此。
完整代码:
private void init() {
index = getIntent().getIntExtra("index", 0);
current_index = getIntent().getIntExtra("current_index", 0);
final View previous_btn_rl = findViewById(R.id.previous_btn_rl);
findViewById(R.id.previous_btn_rl).findViewById(R.id.previous_btn)
.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
time_to_hide_button = 3;
try {
AssetManager assetManager = getAssets();
if (current_index > 0) {
current_index--;
String path = "img" + "/" + String.valueOf(index + 1) + "/gallery/" + String.valueOf(current_index + 1) + ".jpg";
imageView.setImageBitmap(BitmapFactory.decodeStream(assetManager.open(path)));
}
} catch (Exception e) {
Log.d(TAG, "onClick: " + e.getMessage());
}
}
});
final View next_btn_rl = findViewById(R.id.next_btn_rl);
findViewById(R.id.next_btn_rl).findViewById(R.id.next_btn)
.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
time_to_hide_button = 3;
try {
AssetManager assetManager = getAssets();
int fileCount = assetManager.list("img" + "/" + String.valueOf(index + 1) + "/gallery").length;
if (current_index < (fileCount - 1)) {
current_index++;
String path = "img" + "/" + String.valueOf(index + 1) + "/gallery/" + String.valueOf(current_index + 1) + ".jpg";
imageView.setImageBitmap(BitmapFactory.decodeStream(assetManager.open(path)));
}
} catch (Exception e) {
Log.d(TAG, "onClick: " + e.getMessage());
}
}
});
imageView = (ImageView)findViewById(R.id.image_view);
imageView.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if (previous_btn_rl.getX() == -previous_btn_rl.getWidth()) {
ObjectAnimator move_previous_btn = ObjectAnimator.ofFloat(previous_btn_rl, "x", -previous_btn_rl.getWidth(), 0);
ObjectAnimator move_next_btn = ObjectAnimator.ofFloat(next_btn_rl, "x",
next_btn_rl.getX(),
next_btn_rl.getX() -next_btn_rl.getWidth());
AnimatorSet set = new AnimatorSet();
set.setDuration(500);
set.setInterpolator(new AccelerateInterpolator());
set.playTogether(move_previous_btn, move_next_btn);
set.start();
}
time_to_hide_button = 3;
return false;
}
});
try {
AssetManager assetManager = getAssets();
String path = "img" + "/" + String.valueOf(index + 1) + "/gallery/" + String.valueOf(current_index + 1) + ".jpg";
imageView.setImageBitmap(BitmapFactory.decodeStream(assetManager.open(path)));
} catch (Exception e) {
Log.d(TAG, "init: ");
}
handler.post(new Runnable() {
@Override
public void run() {
if (time_to_hide_button <= 0 && previous_btn_rl.getX() == 0) {
ObjectAnimator move_previous_btn = ObjectAnimator.ofFloat(previous_btn_rl, "x", 0, -previous_btn_rl.getWidth());
ObjectAnimator move_back_btn = ObjectAnimator.ofFloat(next_btn_rl, "x",
next_btn_rl.getX(),
next_btn_rl.getX() + next_btn_rl.getWidth());
AnimatorSet set = new AnimatorSet();
set.setDuration(500);
set.setInterpolator(new AccelerateInterpolator());
set.playTogether(move_previous_btn, move_back_btn);
set.start();
} else {
if (time_to_hide_button > 0) {
time_to_hide_button--;
}
}
handler.postDelayed(this, 1000);
}
});
}
我已经录制了我的问题:我在YouTube上的问题视频
防止此问题的最佳方法是什么?