杂记

 . 引言 在开发过程中有这样一个需求，实现右弧形效果，考虑了一下，用ListView实现，效果图如下： 2. 功能实现 (1) 主布局(main.xml)实现： view plaincopy to clipboardprint? ?xml version=1.0 encoding=utf-8? LinearLayout xmlns:android = http://sche

1. 引言     在开发过程中有这样一个需求，实现右弧形效果，考虑了一下，用ListView实现，效果图如下：         2. 功能实现     (1) 主布局(main.xml)实现： view plaincopy to clipboardprint?       <?xml version="1.0" encoding="utf-8"?>      <LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android"          android:orientation = "vertical"          android:layout_width = "fill_parent"          android:layout_height = "fill_parent"          >                    <ListView              android:id = "@+id/arcList"              android:layout_width = "wrap_content"              android:layout_height = "wrap_content"              />                </LinearLayout>   (2) 主Activity实现：view plaincopy to clipboardprint?       package com.flora;      import android.app.Activity;      import android.graphics.Color;      import android.os.Bundle;      import android.view.View;      import android.view.ViewGroup;      import android.widget.BaseAdapter;      import android.widget.LinearLayout;      import android.widget.ListView;      import android.widget.TextView;      public class ArcActivity extends Activity {                    @Override          public void onCreate(Bundle savedInstanceState) {              super.onCreate(savedInstanceState);              setContentView(R.layout.main);                            ListView arcList = (ListView) findViewById(R.id.arcList);              arcList.setDividerHeight(0);              arcList.setAdapter(new ArcAdapter());          }          private class ArcAdapter extends BaseAdapter {              private int [] mFoxTypePosition = {10, 50, 100, 150, 100, 50, 10};                            private int [] mFoxTypeColor = {Color.BLUE, Color.CYAN, Color.DKGRAY, Color.GREEN, Color.LTGRAY, Color.MAGENTA, Color.RED};                            @Override              public int getCount() {                  return 7;              }              @Override              public Object getItem(int position) {                  return position;              }              @Override              public long getItemId(int position) {                  return position;              }              @Override              public View getView(int position, View convertView, ViewGroup parent) {                                    LinearLayout foxTypeComponent = new LinearLayout(ArcActivity.this);                                    TextView foxTypeComponentContent = new TextView(ArcActivity.this);                                    foxTypeComponentContent.setWidth(50);                  foxTypeComponentContent.setHeight(50);                  foxTypeComponentContent.setBackgroundColor(mFoxTypeColor[position]);                                    foxTypeComponent.setPadding(mFoxTypePosition[position], 0, 0, 0);                  foxTypeComponent.addView(foxTypeComponentContent);                                    return foxTypeComponent;              }                        }                }