當可見性設置為GONE時，刪除LinearLayout之間的空間
[英]remove space between LinearLayout when visibility is set to GONE
問題描述
我有這個 ：
在這種情況下，右邊的箭頭會關閉，並且我將LinearLayout的“可見性”模式設置為“消失”，但是與第一個LinearLayout和第二個LinearLayout的差距很大。 當我單擊右箭頭時，將“可見性”設置為“可見”，並且具有最大展開量。
代碼XML：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:weightSum="100"
android:baselineAligned="false"
android:layout_marginTop="5dp">
<LinearLayout
android:orientation="vertical"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="30"
android:padding="5dp"
android:weightSum="1">
<ImageView
android:layout_width="wrap_content"
android:layout_height="0dp"
android:src="@drawable/directory_icon"
android:id="@+id/img_product"
android:scaleType="fitStart"
android:layout_weight="1"
tools:ignore="ContentDescription"
/>
</LinearLayout>
<LinearLayout
android:orientation="vertical"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="70"
android:weightSum="100">
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_weight="30"
android:layout_height="wrap_content"
android:weightSum="100">
<android.support.design.widget.TextInputLayout
android:id="@+id/input_title1"
android:layout_weight="90"
android:layout_height="wrap_content"
android:elevation="1dp"
android:layout_width="wrap_content">
<android.support.design.widget.TextInputEditText
android:id="@+id/edittitle1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/txt_nome"
android:text=""
android:padding="5dp"
android:inputType="text"/>
</android.support.design.widget.TextInputLayout>
<ImageButton
android:layout_width="0dp"
android:layout_height="wrap_content"
app:srcCompat="@drawable/arrow_down"
android:id="@+id/arrow_expand"
android:layout_weight="10"
android:background="#00000000"
android:scaleType="centerInside"
android:layout_marginRight="5dp"
android:layout_marginLeft="5dp"
android:contentDescription=""
tools:ignore="ContentDescription"/>
</LinearLayout>
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="70"
android:visibility="gone"
android:id="@+id/datacontainer">
<android.support.design.widget.TextInputLayout
android:id="@+id/input_desc1"
android:layout_weight="90"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TextInputEditText
android:id="@+id/editdesc1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/txt_descrizione2"
android:text=""
android:padding="5dp"
android:inputType="text"/>
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/input_editor1"
android:layout_weight="90"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TextInputEditText
android:id="@+id/edit_carbo"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/txt_carboidrati"
android:text=""
android:padding="5dp"
android:inputType="text|number|numberSigned|numberDecimal"/>
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/input_editor3"
android:layout_weight="90"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TextInputEditText
android:id="@+id/edit_zuccheri"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/txt_zuccheri"
android:text=""
android:padding="5dp"
android:inputType="text|number|numberSigned|numberDecimal"/>
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/input_editor4"
android:layout_weight="90"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TextInputEditText
android:id="@+id/edit_grassi"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/txt_grassi"
android:text=""
android:padding="5dp"
android:inputType="text|number|numberSigned|numberDecimal"/>
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/input_editor5"
android:layout_weight="90"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TextInputEditText
android:id="@+id/edit_proteine"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/txt_proteine"
android:text=""
android:padding="5dp"
android:inputType="text|number|numberSigned|numberDecimal"/>
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/input_editor6"
android:layout_weight="90"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TextInputEditText
android:id="@+id/edit_fibre"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/txt_fibre"
android:text=""
android:padding="5dp"
android:inputType="text|number|numberSigned|numberDecimal"/>
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/input_editor7"
android:layout_weight="90"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TextInputEditText
android:id="@+id/edit_sale"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/txt_sale"
android:text=""
android:padding="5dp"
android:inputType="text|number|numberSigned|numberDecimal"/>
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/input_editor8"
android:layout_weight="90"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TextInputEditText
android:id="@+id/edit_kcal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/txt_kcal"
android:text=""
android:padding="5dp"
android:inputType="text|number|numberSigned|numberDecimal"/>
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/input_editor9"
android:layout_weight="90"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TextInputEditText
android:id="@+id/edit_prezzo"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/txt_prezzo"
android:text=""
android:padding="5dp"
android:inputType="text|number|numberSigned|numberDecimal"/>
</android.support.design.widget.TextInputLayout>
</LinearLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="top">
<TextView
android:text="@string/lista_allergeni"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/textView4"
android:padding="5dp"/>
<GridView
android:id="@+id/myGrid"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="5dp"
android:verticalSpacing="2dp"
android:horizontalSpacing="2dp"
android:numColumns="4"
android:columnWidth="60dp"
android:stretchMode="columnWidth"
android:gravity="center"
android:textAlignment="center"/>
</LinearLayout>
</LinearLayout>
當我單擊時，使用以下代碼：
....
DataContainer = (LinearLayout) rootView.findViewById(R.id.datacontainer);
IngContainer = (LinearLayout) rootView.findViewById(R.id.ingcontainer);
....
ArrowExpand.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
if (DataContainer.getVisibility() == View.VISIBLE) {
// Its visible
DataContainer.setVisibility(View.GONE);
ObjectAnimator flip = ObjectAnimator.ofFloat(ArrowExpand, "rotationX", 180f, 0f);
flip.setDuration(500);
flip.start();
} else {
// Either gone or invisible
DataContainer.setVisibility(View.VISIBLE);
ObjectAnimator flip = ObjectAnimator.ofFloat(ArrowExpand, "rotationX", 0f, 180f);
flip.setDuration(500);
flip.start();
}
}
});
如何刪除間隙？ 我想讓第一個LinearLayout附近有第二個LinearLayout，並且只有當我單擊箭頭時，我才會展開。 是否可以刪除頂部的標題（MyViewRecip ...）？
謝謝。
2 個解決方案
解決方案1
0 2017-02-12 11:37:55
您可以先保存要刪除的視圖，然后再刪除該孩子😄
解決方案2
0 2017-02-13 12:29:26
只需嘗試以編程方式更改布局的權重
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0, 100);
lp.weight = 1;
if (DataContainer.getVisibility() == View.VISIBLE) {
// Its visible
DataContainer.setVisibility(View.GONE);
DataContainer.setLayoutParams(lp);
ObjectAnimator flip = ObjectAnimator.ofFloat(ArrowExpand, "rotationX", 180f, 0f);
flip.setDuration(500);
flip.start();
} else {
// Either gone or invisible
lp.weight = 70;
DataContainer.setVisibility(View.VISIBLE);
DataContainer.setLayoutParams(lp);
ObjectAnimator flip = ObjectAnimator.ofFloat(ArrowExpand, "rotationX", 0f, 180f);
flip.setDuration(500);
flip.start();
}
我認為這可能會解決您的問題。
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