布局:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.ycjr.gridviewdemo.MainActivity">
<HorizontalScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Hello World!">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<GridView
android:id="@+id/gridView"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
</HorizontalScrollView>
</LinearLayout>
代码:
package com.ycjr.gridviewdemo;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.view.Window;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.LinearLayout;
public class MainActivity extends AppCompatActivity {
MyHandler handler;
GridView gridView;
private String[] itemList = new String[10];
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setContentView(R.layout.activity_main);
gridView = (GridView) findViewById(R.id.gridView);
handler = new MyHandler();
new Thread() {
public void run() {
for (int i = 0; i < 10; i++) {
String item = "北极熊生存如履薄冰" + i + "如果我们从现在开始就采取措施降低气温" + i;
itemList[i] = item;
}
Message msg = Message.obtain();
msg.what = 1;
handler.sendMessage(msg);
}
}.start();
}
public class MyHandler extends Handler {
public void handleMessage(Message msg) {
switch (msg.what) {
case 1:
if ((itemList == null) || (itemList.length == 0)) {
return;
} else {
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(itemList.length * (100 + 6), 500);
gridView.setLayoutParams(params);
gridView.setColumnWidth(100);
gridView.setHorizontalSpacing(6);
gridView.setStretchMode(GridView.NO_STRETCH);
gridView.setNumColumns(itemList.length);
gridView.setAdapter(new ArrayAdapter<>(MainActivity.this, android.R.layout.simple_list_item_1, itemList));
}
break;
}
}
}
}