Java 如何在CardView中从TextView获取文本?
在Java 如何在CardView中从TextView获取文本?,java,android,gettext,android-cardview,cardview,Java,Android,Gettext,Android Cardview,Cardview,在cardwiew中,我有一个LinearLayout,其中有三个textview,我想从这些textview中获取文本。我的XML文件如下所示: <LinearLayout android:id="@+id/defense" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1" an
cardwiew
中,我有一个LinearLayout
,其中有三个textview
,我想从这些textview中获取文本。我的XML文件如下所示:
<LinearLayout
android:id="@+id/defense"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="horizontal"
>
<android.support.v7.widget.CardView
android:id="@+id/cardCB"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:layout_weight="1"
app:cardBackgroundColor="@android:color/transparent"
app:cardElevation="0dp">
<LinearLayout
android:id="@+id/innerLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="Rannochia"
android:textAlignment="center"
android:textStyle="bold"/>
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="78"
android:textAlignment="center"
android:textStyle="bold"/>
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="CB"
android:textAlignment="center"
android:textStyle="bold"/>
</LinearLayout>
</android.support.v7.widget.CardView>
</LinearLayout>
for (int i = 0; i < defense.getChildCount(); i++){
String getName = ((CardView)defense.getChildAt(i)).getText().toString();
id[i] = getName;
}
然后我想迭代父LinearLayout中的所有CardView,并获取TextView。大概是这样的:
<LinearLayout
android:id="@+id/defense"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="horizontal"
>
<android.support.v7.widget.CardView
android:id="@+id/cardCB"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:layout_weight="1"
app:cardBackgroundColor="@android:color/transparent"
app:cardElevation="0dp">
<LinearLayout
android:id="@+id/innerLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="Rannochia"
android:textAlignment="center"
android:textStyle="bold"/>
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="78"
android:textAlignment="center"
android:textStyle="bold"/>
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="CB"
android:textAlignment="center"
android:textStyle="bold"/>
</LinearLayout>
</android.support.v7.widget.CardView>
</LinearLayout>
for (int i = 0; i < defense.getChildCount(); i++){
String getName = ((CardView)defense.getChildAt(i)).getText().toString();
id[i] = getName;
}
for(int i=0;i
但是我不能调用方法
getText().toString()代码>像这样。如何从CardView中的这些文本视图中获取文本?只需提供对TextView的引用即可
for (int i = 0; i < defense.getChildCount(); i++){
String getName = ((TextView)defense.getChildAt(i)).getText().toString();
id[i] = getName;
}
for(int i=0;i
只需提供对TextView的引用即可
for (int i = 0; i < defense.getChildCount(); i++){
String getName = ((TextView)defense.getChildAt(i)).getText().toString();
id[i] = getName;
}
for(int i=0;i
这里有这么多选项。
一,。为您的文本视图提供id
二,。在id为innerLayout的线性布局中使用
三,。当你的用户界面是动态的,你需要从国防部获取文本视图
for (int i = 0; i < defense.getChildCount(); i++){
CardView card = defense.getChildAt(i);
ViewGroup viewGroup = ((ViewGroup)card.getChildAt(0));
for(int j=0;j<viewGroup.getChildCount();j++){
String getName = ((TextView)viewGroup.getChildAt(j)).getText().toString();
id[i] = getName;
}
}
for(int i=0;i1.为您的文本视图提供id
2.在id为innerLayout的线性布局中使用
3.当你的用户界面是动态的,你需要从国防部获取文本视图
for (int i = 0; i < defense.getChildCount(); i++){
CardView card = defense.getChildAt(i);
ViewGroup viewGroup = ((ViewGroup)card.getChildAt(0));
for(int j=0;j<viewGroup.getChildCount();j++){
String getName = ((TextView)viewGroup.getChildAt(j)).getText().toString();
id[i] = getName;
}
}
for(int i=0;i 对于(int j=0;j它不起作用,因为textview位于另一个视图组内,该视图组为@+id/innerLayout
我为你做了一个简单的函数
private void loopViews(ViewGroup view) {
for (int i = 0; i < view.getChildCount(); i++) {
View v = view.getChildAt(i);
if (v instanceof EditText) {
// will be executed when its edittext
Log.d("Check", "This is EditText");
} else if (v instanceof TextView) {
// will be executed when its textview,, and get the text..
TextView x = (TextView) v;
String aa = x.getText().toString();
Log.d("Check", "This is TextView with text : " +aa);
} else if (v instanceof ViewGroup) {
// will be executed when its viewgroup,, and loop it for get the child view..
Log.d("Check", "This is ViewGroup");
this.loopViews((ViewGroup) v);
}
}
希望它能帮助您:)它不起作用,因为textview位于另一个视图组中,该视图组为@+id/innerLayout
我为你做了一个简单的函数
private void loopViews(ViewGroup view) {
for (int i = 0; i < view.getChildCount(); i++) {
View v = view.getChildAt(i);
if (v instanceof EditText) {
// will be executed when its edittext
Log.d("Check", "This is EditText");
} else if (v instanceof TextView) {
// will be executed when its textview,, and get the text..
TextView x = (TextView) v;
String aa = x.getText().toString();
Log.d("Check", "This is TextView with text : " +aa);
} else if (v instanceof ViewGroup) {
// will be executed when its viewgroup,, and loop it for get the child view..
Log.d("Check", "This is ViewGroup");
this.loopViews((ViewGroup) v);
}
}
希望它能帮助您……:)谢谢!它工作完美,特别是当我有多个CardView时。谢谢!它工作完美,特别是当我有多个CardView时。