Android GridView中的EditText获取数据并将其放入数组中
我想在网格视图中显示几个编辑文本。 `包com.devan.test1Android GridView中的EditText获取数据并将其放入数组中,android,android-edittext,android-gridview,Android,Android Edittext,Android Gridview,我想在网格视图中显示几个编辑文本。 `包com.devan.test1 import android.content.Context; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.EditTe
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.EditText;
public class CustomGrid extends BaseAdapter {
private final String[] web;
View grid;
private Context mContext;
public CustomGrid(Context c, String[] web) {
mContext = c;
this.web = web;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return web.length;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
LayoutInflater inflater = (LayoutInflater) mContext
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (convertView == null) {
grid = new View(mContext);
grid = inflater.inflate(R.layout.grid_single, null);
EditText textView = (EditText) grid.findViewById(R.id.grid_text);
} else {
grid = convertView;
}
return grid;
}
}`
我制作的适配器工作正常,但我不知道如何从多个编辑文本中获取数据并存储到数组中。问候德万
更新
MainActivtiy.java
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.GridView;
import android.widget.Toast;
public class MainActivity extends Activity {
GridView grid;
String[] web = {
"Google",
"Github",
"Instagram",
"Facebook",
"Flickr",
"Pinterest",
"Quora",
"Twitter",
"Vimeo",
"WordPress",
"Youtube",
"Stumbleupon",
"SoundCloud",
"Reddit",
"Blogger"
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final CustomGrid adapter = new CustomGrid(MainActivity.this, web);
grid = (GridView) findViewById(R.id.grid);
grid.setAdapter(adapter);
grid.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
Toast.makeText(MainActivity.this, "You Clicked at " + web[+position], Toast.LENGTH_SHORT).show();
}
});
Button b1=(Button) findViewById(R.id.button1);
b1.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
Intent i =new Intent(getApplicationContext(),Main2Activity.class);
i.putExtra("l",adapter.getBundle());
startActivity(i);
}
});
}
}
activity_main2.xml
<android.support.constraint.ConstraintLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.devan.test1.Main2Activity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tc1"
/>
</android.support.constraint.ConstraintLayout>
grid_single.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="5dp">
<EditText
android:id="@+id/grid_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="15dp"
android:textSize="15sp" />
</LinearLayout>
有人问了一个类似的问题。一个很适合你的需要 您要做的是:按照某种模式命名编辑字段,如edittext[number],其中[number]介于0和编辑文本数减1之间。答案是如何循环所有这些字段。使用编辑文本的getText功能,您可以获取输入的文本并将其添加到数组/列表中 下面是一些代码,您可以如何实现这一点:
String idPrefix = "edittext_";
final int NUMBER_OF_EDIT_TEXTS = 5; // You might want to retrieve this value from some array / list size
for (int i = 0; i < NUMBER_OF_EDIT_TEXTS; i++) {
int resID = mContext.getResources().getIdentifier(idPrefix + i, "id", getPackageName());
EditText edt = (EditText) grid.findViewById(resId);
String text = edit.getText();
// Do something with text
}
String idPrefix=“edittext_389;”;
编辑文本的最终整数=5;//您可能希望从某个数组/列表大小中检索此值
对于(int i=0;i<编辑文本的数量;i++){
int resID=mContext.getResources().getIdentifier(idPrefix+i,“id”,getPackageName());
EditText edt=(EditText)grid.findViewById(resId);
String text=edit.getText();
//用文字做点什么
}
@patrik我应该为该循环中的“some\u value”和“some\u other\u value”变量使用什么值。我不太明白。你能给我发一个示例代码吗?我更新了答案并添加了一些代码,希望能有所帮助。@patrik,你让我给编辑文本命名的。我该怎么做呢。我是否也应该发布其他文件。在某个时候,你必须创建编辑文本。静态地在XML布局中或动态地使用(Java)代码。你有吗?我已经编辑了我的帖子。希望它能帮助你回答我的问题。如果对我的文件有任何疑问,请询问。
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="5dp">
<EditText
android:id="@+id/grid_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="15dp"
android:textSize="15sp" />
</LinearLayout>
String idPrefix = "edittext_";
final int NUMBER_OF_EDIT_TEXTS = 5; // You might want to retrieve this value from some array / list size
for (int i = 0; i < NUMBER_OF_EDIT_TEXTS; i++) {
int resID = mContext.getResources().getIdentifier(idPrefix + i, "id", getPackageName());
EditText edt = (EditText) grid.findViewById(resId);
String text = edit.getText();
// Do something with text
}