从GONE的可见设置能见度可见后没有得到的RelativeLayout的的getHeight（） [英] Not getting RelativeLayout's getHeight() after setting Visibility Visible from Visiblity GONE
本文介绍了从GONE的可见设置能见度可见后没有得到的RelativeLayout的的getHeight（）的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我要的是，当我在仪表板按钮点击它会打开像SlidingDrawer和后点击它时，它再次打开它将会关闭。
我用这个自定义的抽屉，因为SlidingDrawer是德precated。
What i want is, when i click on Dashboard Button it will open like a SlidingDrawer and after it opened when clicked on it again it will close. i use this custom drawer because SlidingDrawer is Deprecated.
现在的问题是，它的正常工作，除了第一次当我在按钮它会非常快打开没有任何动画点击，但正确关闭，之后正常工作。
now the problem is, its working properly except first time when i click on Button it'll open really fast without any animation, but closes properly and after that works fine.
我发现的问题是，当我做的RelativeLayout可见，并尝试计算其的getHeight（），它会给予零开始，之后给出了适当的高度。
i found the problem is when i make RelativeLayout Visible and try to calculate its getHeight() it will give zero initially, and after that gives proper height.
这里的LogCat中：
here's LogCat:
这里是我的XML文件。
Here's my XML File.
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/relLayOne"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:background="#0000" >
<Button
android:id="@+id/btnNEWCLICK"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:background="@drawable/dashboard" />
<RelativeLayout
android:id="@+id/relLayTwo"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/btnNEWCLICK"
android:background="#000"
android:visibility="gone" >
<Button
android:id="@+id/loc"
android:layout_width="130dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_marginBottom="5dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="5dp"
android:layout_marginTop="5dp"
android:background="#000"
android:gravity="left|center_vertical"
android:paddingLeft="5dp"
android:text="My Location"
android:textColor="#fff"
android:textSize="20sp" />
<View
android:layout_width="0.1dp"
android:layout_height="108dp"
android:layout_centerInParent="true"
android:layout_marginBottom="15dp"
android:layout_marginTop="15dp"
android:background="#fff" />
<Button
android:id="@+id/phot"
android:layout_width="130dp"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="10dp"
android:layout_marginTop="5dp"
android:background="#000"
android:gravity="left|center_vertical"
android:paddingLeft="5dp"
android:text="Photos"
android:textColor="#fff"
android:textSize="20sp" />
<View
android:layout_width="fill_parent"
android:layout_height="0.1dp"
android:layout_below="@+id/phot"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:background="#fff" />
<Button
android:id="@+id/free"
android:layout_width="130dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/loc"
android:layout_marginBottom="5dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="5dp"
android:layout_marginTop="5dp"
android:background="#000"
android:gravity="left|center_vertical"
android:paddingLeft="5dp"
android:text="Free stuff"
android:textColor="#fff"
android:textSize="20sp" />
<Button
android:id="@+id/leade"
android:layout_width="130dp"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_below="@+id/phot"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="10dp"
android:layout_marginTop="5dp"
android:background="#000"
android:gravity="left|center_vertical"
android:paddingLeft="5dp"
android:text="Leaderboard"
android:textColor="#fff"
android:textSize="20sp" />
<View
android:layout_width="fill_parent"
android:layout_height="0.1dp"
android:layout_below="@+id/leade"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:background="#fff" />
<Button
android:id="@+id/live"
android:layout_width="130dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/free"
android:layout_marginBottom="5dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="5dp"
android:layout_marginTop="5dp"
android:background="#000"
android:gravity="left|center_vertical"
android:paddingLeft="5dp"
android:text="Live Action"
android:textColor="#fff"
android:textSize="20sp" />
<Button
android:id="@+id/home"
android:layout_width="130dp"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_below="@+id/leade"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="10dp"
android:layout_marginTop="5dp"
android:background="#000"
android:gravity="left|center_vertical"
android:paddingLeft="5dp"
android:text="Home"
android:textColor="#fff"
android:textSize="20sp" />
<View
android:layout_width="fill_parent"
android:layout_height="0.1dp"
android:layout_below="@+id/home"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:background="#fff" />
<Button
android:id="@+id/app"
android:layout_width="130dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/live"
android:layout_marginBottom="5dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="5dp"
android:layout_marginTop="5dp"
android:background="#000"
android:gravity="left|center_vertical"
android:paddingLeft="5dp"
android:text="App stats"
android:textColor="#fff"
android:textSize="20sp" />
</RelativeLayout>
</RelativeLayout>
这里的code：
Here's The Code::
public class MoveView extends LinearLayout{
private Button openCloseButton;
private boolean isVisible = false;
private RelativeLayout relLayTwo, relLayOne;
private float animationHeight = 300.0f;
public MoveView(Context context , AttributeSet attr) {
super(context, attr);
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
inflater.inflate(R.layout.in, this);
relLayTwo = (RelativeLayout) findViewById(R.id.relLayTwo);
//relLayOne = (RelativeLayout) findViewById(R.id.relLayOne);
openCloseButton = (Button) findViewById(R.id.btnNEWCLICK);
openCloseButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
toggle();
}
});
Log.d("test", "before "+relLayTwo.getHeight());
if (relLayTwo.getHeight() == 0){
relLayTwo.setVisibility(View.VISIBLE);
relLayTwo.invalidate();
relLayTwo.refreshDrawableState();
//rel.setVisibility(View.INVISIBLE);
relLayTwo.setVisibility(View.GONE);
Log.d("test", "after "+relLayTwo.getHeight());
}
}
public void toggle() {
TranslateAnimation anim = null;
isVisible = !isVisible;
if (isVisible) {
relLayTwo.setVisibility(View.VISIBLE);
anim = new TranslateAnimation(0.0f, 0.0f, relLayTwo.getHeight(), 0.0f);
Log.d("test", " rel Height "+relLayTwo.getHeight());
} else {
Log.d("test", " rel Height else "+relLayTwo.getHeight() );
anim = new TranslateAnimation(0.0f, 0.0f, 0.0f, relLayTwo.getHeight());
anim.setAnimationListener(collapseListener);
}
anim.setDuration(600);
anim.setInterpolator(new AccelerateInterpolator(1.0f));
startAnimation(anim);
}
Animation.AnimationListener collapseListener = new Animation.AnimationListener() {
public void onAnimationEnd(Animation animation) {
relLayTwo.setVisibility(View.GONE);
}
public void onAnimationRepeat(Animation animation) {
// not needed
}
public void onAnimationStart(Animation animation) {
// not needed
}
};
}
使用onMeasure（）方法。
by using onMeasure() method.
@
Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// TODO Auto-generated method stub
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
Log.d("test", " RelativeLAyout In onMeaseure "+relLayTwo.getHeight() );
}
推荐答案
下面就是我得到了这个问题的解决方案。
Here's how i got solution for this problem.
实际的问题越来越布局的高度时，我们将它包裹的内容是，它不会给高度，直到它实际上会在屏幕上绘制。在我的情况下，自定义布局得到了所谓的第一，然后它会调用剩下的布局，所以没有机会布局得到借鉴。
the actual problem with getting layout's height when we set it to wrap content is, it will not give height until it will actually draw on a screen. and in my case the custom layout got called first and then it will call remaining layout, so there is not a chance for layout to get draw.
所以我所做的是我用以下code得到的屏幕运行时的实际高度和宽度。
so what i did is i got actual height and width of the screen run time by using following code.
DisplayMetrics metrics = new DisplayMetrics();
((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getMetrics(metrics);
height = metrics.heightPixels;
width = metrics.widthPixels;
和之后，我得到了屏幕的高度和宽度，充气视图。
之后得到了linearlayouts高度和使用以下code新的高度添加到它。
and after i got screens height and width, inflate view. after that got linearlayouts height and add new height to it using following code.
RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) relLayTwo.getLayoutParams();
Log.d("test", "height "+params.height);
params.height = height*40/100;
relLayTwo.setLayoutParams(params);
relLayTwo.setVisibility(View.GONE);
和它的工作！
这篇关于从GONE的可见设置能见度可见后没有得到的RelativeLayout的的getHeight（）的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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