Android GridView中ImageView下的TextView说明
这是我的ImageAdapter类:Android GridView中ImageView下的TextView说明,android,gridview,Android,Gridview,这是我的ImageAdapter类: package com.javacodegeeks.android.googlemaps; import android.content.Context; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.GridView; import android.widget.ImageV
package com.javacodegeeks.android.googlemaps;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;
public class ImageAdapter extends BaseAdapter {
private Context mContext;
public ImageAdapter(Context c) {
mContext = c;
}
public int getCount() {
return mThumbIds.length;
}
public Object getItem(int position) {
return null;
}
public long getItemId(int position) {
return 0;
}
// create a new ImageView for each item referenced by the Adapter
public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView;
if (convertView == null) { // if it's not recycled, initialize some attributes
imageView = new ImageView(mContext);
imageView.setLayoutParams(new GridView.LayoutParams(85, 85));
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setPadding(8, 8, 8, 8);
} else {
imageView = (ImageView) convertView;
}
imageView.setImageResource(mThumbIds[position]);
return imageView;
}
// references to our images
private Integer[] mThumbIds = {
R.drawable.muze, R.drawable.anit, R.drawable.ibadethane, R.drawable.hepsimenu
};
private String[] mThumbTxt = {
"Müzeler", "Anıtlar", "İbadethaneler", "Hepsi"
};
}
如何在ImageView下添加来自mThumbTxt数组的图像描述(如TextView),而不影响GridView结构?让您的视图成为
TextView
而不是ImageView
。将图像设置为顶部可绘制图像:
textView.setCompoundDrawablesWithIntrinsicBounds(0, mThunbIds[position], 0, 0);
textView.setText(mThumbTxt[position]);
这里唯一的缺点是,可拉丝将按其内在尺寸拉丝。您可以创建一个ClipDrawable来修复该问题。或者,将视图设置为包含
图像视图
和文本视图的垂直布局
。那么,从xml加载它会更简单。让您的视图成为TextView
而不是ImageView
。将图像设置为顶部可绘制图像:
textView.setCompoundDrawablesWithIntrinsicBounds(0, mThunbIds[position], 0, 0);
textView.setText(mThumbTxt[position]);
这里唯一的缺点是,可拉丝将按其内在尺寸拉丝。您可以创建一个ClipDrawable来修复该问题。或者,将视图设置为包含图像视图
和文本视图的垂直布局
。那么,从xml加载它会更简单。简单方法为gridView添加一个布局,如下所示:
gridView.xml:
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/relaGrid"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView android:id="@+id/chooseImage"
android:src="@drawable/ph1"
android:layout_width="85dp"
android:layout_height="85dp"
>
</ImageView>
<TextView android:id="@+id/chooseText"
android:layout_height="wrap_content"
android:layout_width="85dp"
android:text="TextView"
android:layout_below="@+id/chooseImage"
android:gravity="center"
android:singleLine="true"
android:ellipsize="marquee"
android:marqueeRepeatLimit="marquee_forever"
></TextView>
</RelativeLayout>
为gridView添加布局的简单方法如下:
gridView.xml:
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/relaGrid"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView android:id="@+id/chooseImage"
android:src="@drawable/ph1"
android:layout_width="85dp"
android:layout_height="85dp"
>
</ImageView>
<TextView android:id="@+id/chooseText"
android:layout_height="wrap_content"
android:layout_width="85dp"
android:text="TextView"
android:layout_below="@+id/chooseImage"
android:gravity="center"
android:singleLine="true"
android:ellipsize="marquee"
android:marqueeRepeatLimit="marquee_forever"
></TextView>
</RelativeLayout>
如果可能,您应该重用convertView
。请参见,如果可能,您应该重用convertView
。看见