在下面发布的代码中,我无法在单行中看到文本,并且一次只希望显示 6 个文本,但我可以看到 20 多个文本。你能看一下为什么会这样吗?
我需要我的观点是这样的,完整的观点应该被 6 个文本覆盖,只有 3 x 3
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Mainactivity.java
package com.example.sampleoporj;
import android.os.Bundle;
import android.app.Activity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.HorizontalScrollView;
import android.widget.LinearLayout;
public class MainActivity extends Activity {
Button mbutton;
MainActivity activity;
LinearLayout mEventsLayout;
HorizontalScrollView mHorizontalscroll;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mbutton = (Button)findViewById(R.id.button1);
mEventsLayout = (LinearLayout)findViewById(R.id.eventslayout);
mbutton.setOnClickListener(btnlistener);
activity = this;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
OnClickListener btnlistener = new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
for(int i = 0 ;i <10 ; i++)
{
LayoutInflater inflater = activity.getLayoutInflater();
View view = (View)inflater.inflate(R.layout.samplelayout,null);
mEventsLayout.addView(view);
}
}
};
}
Activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:id="@+id/helloworld"
android:text="@string/hello_world" />
<HorizontalScrollView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/helloworld"
android:id="@+id/horizontalscroll">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/eventslayout"></LinearLayout>
</HorizontalScrollView>
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_marginRight="18dp"
android:layout_toLeftOf="@+id/helloworld"
android:text="Button" />
</RelativeLayout>
样本布局
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/RelativeLayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".45"
android:orientation="vertical" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Medium Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Medium Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Medium Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".10"
android:orientation="vertical" >
<ImageView
android:id="@+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
<ImageView
android:id="@+id/imageView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
<ImageView
android:id="@+id/imageView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".45"
android:orientation="vertical" >
<TextView
android:id="@+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Medium Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/textView5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Medium Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/textView6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Medium Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
我要求输出应该是这样的,我需要一个水平滚动并且一次只需要显示 3 + 3 个文本(在图像中我只显示了 2 + 2 )。我注意到如果我添加带有“fill_parent”参数的线性布局,水平滚动会缩小。