随笔分类 - android界面绘制
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摘要：仿Iphone时间选择滑动控件：WheelView.java:/** * @author Administrator * * 时间滑动滚轮 */public class WheelView extends View{ /** 手势监听控件 **/ private GestureDetector gestureDetector; /** 滑动管理类 **/ private Scroller scroller; /** 适配器 **/ private WheelAdapter adapter; private StaticLayout i...
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摘要：仿网易新闻：实现原理:上面的导航栏是一个自定义的ViewGroup(类似ActionBar)中间内容层是ViewPager套fragment实现左右切换滑动fragment里面的布局是一个ListView 附带下拉刷新和下拉加载效果HeadView是一个ViewPager双层ViewPager如果处理子ViewPager的滑动冲突问题和点击事件通过自定义子ViewPager的方法：public class TeacherViewPager extends ViewPager implements OnGestureListener { private GestureDetector mD...
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摘要：public class FragAdapter extends FragmentPagerAdapter { private List fragments ; public FragAdapter(FragmentManager fm){ super(fm); } public FragAdapter(FragmentManager fm,List fragments) { super(fm); this.fragments = fragments; } @Override public Fr...
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摘要：用ViewFlipper实现左右滑屏操作：1.注册ViewFilpper2.滑动动画：slideLeftOut.xml: slideRightOut.xml: 3.viewFilpper添加子view:viewFlipper.addView(mListView);viewFlipper.addView(mListView1);viewFlipper.addView(mListView2);子view监听onTouchEvent事件拦截子View的onTouchEvent事件 @Override public boolean onTouch(View v, MotionE...
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摘要：public class PullToRefreshView extends LinearLayout { private static final String TAG = "PullToRefreshView"; // refresh states private static final int PULL_TO_REFRESH = 2; private static final int RELEASE_TO_REFRESH = 3; private static final int REFRESHING = 4; // pull state pr...
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摘要：Android系统API Demos提供了伪3D旋转的例子，实现原理都是通过Camera API来进行处理.先附上源码：动画类Rotate3dAnimation：/** * An animation that rotates the view on the Y axis between two specified angles. * This animation also adds a translation on the Z axis (depth) to improve the effect. */public class Rotate3dAnimation extends Animati
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摘要：1.Canvas上以一定收缩比例贴一张图 headBgBmp = BitmapFactory.decodeResource(context.getResources(), R.drawable.class_bg_sha1); headBmp = Bitmap.createBitmap(view.getWidth(),headBgBmp.getHeight(),Config.ARGB_8888); Canvas canvas2 = new Canvas(headBmp); Matrix matrix = new Matrix(); float xScale = (f...
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摘要：/** 创建MENU */ public boolean onCreateOptionsMenu(Menu menu) { menu.add("menu");// 必须创建一项 return super.onCreateOptionsMenu(menu); } /** 拦截MENU */ public boolean onMenuOpened(int featureId, Menu menu) { initPopuWindow(); return false;// 返回为tru...
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摘要：/** * @author gongchaobin * * 圆 * @version 2012-12-5 */public class RingView extends View { private Paint paint; private Context context; private int radius;//半径 private int color;//颜色值 public RingView(Context context) { // TODO Auto-generated constructor stub ...
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摘要：/** * @author gongchaobin * * 翻书效果 * 2012-9-25 */public class TurnPage extends View{ private static final String TAG = TurnPage.class.getSimpleName(); private int mWidth = 620; private int mHeight = 770; private int mCornerX = 0; // 拖拽点对应的页脚 private int mCornerY = 0; private Path m...
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摘要：WindowManager.LayoutParams lp = new WindowManager.LayoutParams( LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.TYPE_APPLICATION, WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | WindowManager.LayoutP...
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摘要：package com.cn.teachmobile.view;import android.content.Context;import android.os.Handler;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View;import android.view.animation.AccelerateInterpolator;import android.view.animation.Animation;import android.view.animatio
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摘要：public class autoScrollView extends ScrollView { private View inner; private float y; private Rect normal = new Rect(); public autoScrollView(Context context) { super(context); // TODO Auto-generated constructor stub } public autoScrollView(Context conte...
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摘要：public class PageDragView extends ViewGroup{ private static final String TAG = PageDragView.class.getSimpleName(); /** * 用来追踪触摸事件（flinging事件和其他手势事件）的速率 * 用obtain()函数来获得类的实例， * 用addMovement(MotionEvent)函数将motion event加入到VelocityTracker类实例中， * 当你使用到速率时，使用computeCurrentVelocity...
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摘要：很多情况下，我们需要自定义一些Dialog效果。首先继承系统的Dialog/** * @author gongchaobin * * 自定义Dialog样式 */public class SelfDialog extends Dialog implements android.view.View.OnClickListener{ private Context mContext; private Button mBtnCha; private Button mBtnUse; private ActivityManagerCommon managerCommon; ...
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摘要：抽屉样式作为一种比较常用的View，有很多实现方式。这里是一种简单的实现方式：第一步：布局文件 <!-- android:content 要展开的layout content android:handle 委托要展开的图片 --> <SlidingDrawer android:id="@+id/sliding" android:layout_width="match_parent" android:layout_height="match_parent" android:content="@+id/allA
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摘要：/** * @author gongchaobin * * 自定义popuwindow * @version 2012-12-12 */public class MyPopuWindow { private LayoutInflater mInflater; private PopupWindow mPopupWindow; private View mView; private Button mBtn; /** * @param context 上下文 * @param resId layout资源ID * @param width popuwindow的宽 * @param he...
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摘要：DialogCommon.java:package com.easier.gallery.common;import com.easier.gallery.R;import android.R.integer;import android.app.AlertDialog;import android.content.Context;import android.content.DialogInterface;import android.graphics.Typeface;import android.os.Bundle;import android.view.LayoutInflater;i
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摘要：系统自带的Menu有各种限制条件，如何设置Menu的背景和文字的各项属性呢？在不自定义的情况下，也是可以设置Menu的背景的。/** 设置Menu的背景图 */ protected void setMenuBackground() { this.getLayoutInflater().setFactory( new android.view.LayoutInflater.Factory() { public View onCreateView(String name, Context context,Att...
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摘要：Android客户端中，我们经常要实现图片滚轮的效果。实现的方式就是自定义相关View，这里主要是包括两个类：ImageScroller和PagerIndicator。PagerIndicator类：public class PagerIndicator extends ViewGroup { public static int mMaxTotalItems = 9; private int mTotalItems; private int mCurrentItem; private int mDotDrawableId;//滑动的图片 publi...
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