有一个包含多行的列表视图。每一行上都有一个名为btn_to_show_actual
的按钮,用于显示隐藏的相对布局ll_hide_btn
(包含多个按钮的布局)从屏幕右侧外部进入其父行的屏幕(在相同的Y位置)。
X_in_screen = Constants.SCREEN_W * 1/2 ;
X_out_screen = Constants.SCREEN_W
Y_in_screen = Constants.SCREEN_H /2;
以上内容已经用正确的数字进行了检查。
代码如下:
ListView中每个充气行的布局:
<ImageButton
android:id="@+id/btn_to_show_actual"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:background="@null"
android:src="@drawable/btn_to_show_actual_selector"
android:scaleType="fitXY"/>
<RelativeLayout
android:id="@+id/ll_hide_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/btn_to_show_actual"
android:layout_alignBottom="@+id/btn_to_show_actual"
android:layout_toLeftOf="@+id/btn_to_show_actual"
android:orientation="horizontal">
<ImageButton
android:id="@+id/btn_to_show"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toLeftOf="@+id/btn_delete"
android:background="@null"
android:src="@drawable/btn_left_selector"
android:scaleType="fitXY"/>
<ImageButton
android:id="@+id/btn_to_hide"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toLeftOf="@+id/btn_delete"
android:background="@null"
android:src="@drawable/btn_right_selector"
android:scaleType="fitXY"/>
<ImageButton
android:id="@+id/btn_delete"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toLeftOf="@+id/btn_amend"
android:background="@null"
android:src="@drawable/btn_delete_selector"
android:scaleType="fitXY"/>
<ImageButton
android:id="@+id/btn_amend"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toLeftOf="@+id/btn_share"
android:background="@null"
android:src="@drawable/btn_input_selector"
android:scaleType="fitXY"/>
<ImageButton
android:id="@+id/btn_share"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:background="@null"
android:src="@drawable/btn_share2_selector"
android:scaleType="fitXY"/>
</RelativeLayout>
代码:
btn_to_show_actual.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v) {
Utilities.system_toast(Show_database.this, "btn to show actual pressed" + "\n" + "X-screen=" + Constants.SCREEN_W + "; X-in=" + X_in_screen + "; X-out= " + X_out_screen + "; Y=" + Y_in_screen);
//btn_to_show_actual.setVisibility(View.INVISIBLE);
btn_to_show.setVisibility(View.VISIBLE);
translate_to_left = new TranslateAnimation(Animation.ABSOLUTE, X_out_screen, // from X0
Animation.ABSOLUTE, X_in_screen, // to X1
Animation.ABSOLUTE, Y_in_screen, // from Y0
Animation.ABSOLUTE, Y_in_screen); // to Y1
translate_to_left.setInterpolator(new DecelerateInterpolator());
translate_to_left.setDuration(800);
translate_to_left.setFillAfter(true);
translate_to_left.setAnimationListener(new Animation.AnimationListener() {
public void onAnimationStart(Animation a) {
}
public void onAnimationRepeat(Animation a) {}
public void onAnimationEnd(Animation a)
{
btn_to_hide.setVisibility(View.VISIBLE);
btn_to_show.setVisibility(View.INVISIBLE);
}
});
ll_hide_btn.startAnimation(translate_to_left);
}
});
btn_to_hide.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
Utilities.system_toast(Show_database.this, "btn to hide pressed");
translate_to_right = new TranslateAnimation(Animation.ABSOLUTE, X_in_screen, // from X0
Animation.ABSOLUTE, X_out_screen, // to X1
Animation.ABSOLUTE, Y_in_screen, // from Y0
Animation.ABSOLUTE, Y_in_screen); // to Y1
translate_to_right.setInterpolator(new DecelerateInterpolator());
translate_to_right.setDuration(800);
translate_to_right.setFillAfter(true);
translate_to_right.setAnimationListener(new Animation.AnimationListener() {
public void onAnimationStart(Animation a) {
}
public void onAnimationRepeat(Animation a) {}
public void onAnimationEnd(Animation a)
{
btn_to_hide.setVisibility(View.INVISIBLE);
btn_to_show.setVisibility(View.VISIBLE);
btn_to_show_actual.setVisibility(View.VISIBLE);
}
});
ll_hide_btn.startAnimation(translate_to_right);
}
});
问题:
在点击 btn_to_show_actual
后,ll_hide_btn
无法从屏幕外转移到屏幕内。我该如何使 ll_hide_btn
显示 / 隐藏并正确移动?