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云代码 - android代码库

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2013-02-14 作者: 太极小子举报

[android]代码库

package cn.buaa.myweixin;
 
 
import java.util.ArrayList;
 
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.Display;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.Toast;
 
public class MainWeixin extends Activity {
     
    public static MainWeixin instance = null;
      
    private ViewPager mTabPager;   
    private ImageView mTabImg;// 动画图片
    private ImageView mTab1,mTab2,mTab3,mTab4;
    private int zero = 0;// 动画图片偏移量
    private int currIndex = 0;// 当前页卡编号
    private int one;//单个水平动画位移
    private int two;
    private int three;
    private LinearLayout mClose;
    private LinearLayout mCloseBtn;
    private View layout;   
    private boolean menu_display = false;
    private PopupWindow menuWindow;
    private LayoutInflater inflater;
    //private Button mRightBtn;
     
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main_weixin);
         //启动activity时不自动弹出软键盘
        getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
        instance = this;
        /*
        mRightBtn = (Button) findViewById(R.id.right_btn);
        mRightBtn.setOnClickListener(new Button.OnClickListener()
        {   @Override
            public void onClick(View v)
            {   showPopupWindow (MainWeixin.this,mRightBtn);
            }
          });*/
         
        mTabPager = (ViewPager)findViewById(R.id.tabpager);
        mTabPager.setOnPageChangeListener(new MyOnPageChangeListener());
         
        mTab1 = (ImageView) findViewById(R.id.img_weixin);
        mTab2 = (ImageView) findViewById(R.id.img_address);
        mTab3 = (ImageView) findViewById(R.id.img_friends);
        mTab4 = (ImageView) findViewById(R.id.img_settings);
        mTabImg = (ImageView) findViewById(R.id.img_tab_now);
        mTab1.setOnClickListener(new MyOnClickListener(0));
        mTab2.setOnClickListener(new MyOnClickListener(1));
        mTab3.setOnClickListener(new MyOnClickListener(2));
        mTab4.setOnClickListener(new MyOnClickListener(3));
        Display currDisplay = getWindowManager().getDefaultDisplay();//获取屏幕当前分辨率
        int displayWidth = currDisplay.getWidth();
        int displayHeight = currDisplay.getHeight();
        one = displayWidth/4; //设置水平动画平移大小
        two = one*2;
        three = one*3;
        //Log.i("info", "获取的屏幕分辨率为" + one + two + three + "X" + displayHeight);
         
        //InitImageView();//使用动画
      //将要分页显示的View装入数组中
        LayoutInflater mLi = LayoutInflater.from(this);
        View view1 = mLi.inflate(R.layout.main_tab_weixin, null);
        View view2 = mLi.inflate(R.layout.main_tab_address, null);
        View view3 = mLi.inflate(R.layout.main_tab_friends, null);
        View view4 = mLi.inflate(R.layout.main_tab_settings, null);
         
      //每个页面的view数据
        final ArrayList<View> views = new ArrayList<View>();
        views.add(view1);
        views.add(view2);
        views.add(view3);
        views.add(view4);
      //填充ViewPager的数据适配器
        PagerAdapter mPagerAdapter = new PagerAdapter() {
             
            @Override
            public boolean isViewFromObject(View arg0, Object arg1) {
                return arg0 == arg1;
            }
             
            @Override
            public int getCount() {
                return views.size();
            }
 
            @Override
            public void destroyItem(View container, int position, Object object) {
                ((ViewPager)container).removeView(views.get(position));
            }
             
            //@Override
            //public CharSequence getPageTitle(int position) {
                //return titles.get(position);
            //}
             
            @Override
            public Object instantiateItem(View container, int position) {
                ((ViewPager)container).addView(views.get(position));
                return views.get(position);
            }
        };
         
        mTabPager.setAdapter(mPagerAdapter);
    }
    /**
     * 头标点击监听
     */
    public class MyOnClickListener implements View.OnClickListener {
        private int index = 0;
 
        public MyOnClickListener(int i) {
            index = i;
        }
        @Override
        public void onClick(View v) {
            mTabPager.setCurrentItem(index);
        }
    };
     
     /* 页卡切换监听(原作者:D.Winter)
     */
    public class MyOnPageChangeListener implements OnPageChangeListener {
        @Override
        public void onPageSelected(int arg0) {
            Animation animation = null;
            switch (arg0) {
            case 0:
                mTab1.setImageDrawable(getResources().getDrawable(R.drawable.tab_weixin_pressed));
                if (currIndex == 1) {
                    animation = new TranslateAnimation(one, 0, 0, 0);
                    mTab2.setImageDrawable(getResources().getDrawable(R.drawable.tab_address_normal));
                } else if (currIndex == 2) {
                    animation = new TranslateAnimation(two, 0, 0, 0);
                    mTab3.setImageDrawable(getResources().getDrawable(R.drawable.tab_find_frd_normal));
                }
                else if (currIndex == 3) {
                    animation = new TranslateAnimation(three, 0, 0, 0);
                    mTab4.setImageDrawable(getResources().getDrawable(R.drawable.tab_settings_normal));
                }
                break;
            case 1:
                mTab2.setImageDrawable(getResources().getDrawable(R.drawable.tab_address_pressed));
                if (currIndex == 0) {
                    animation = new TranslateAnimation(zero, one, 0, 0);
                    mTab1.setImageDrawable(getResources().getDrawable(R.drawable.tab_weixin_normal));
                } else if (currIndex == 2) {
                    animation = new TranslateAnimation(two, one, 0, 0);
                    mTab3.setImageDrawable(getResources().getDrawable(R.drawable.tab_find_frd_normal));
                }
                else if (currIndex == 3) {
                    animation = new TranslateAnimation(three, one, 0, 0);
                    mTab4.setImageDrawable(getResources().getDrawable(R.drawable.tab_settings_normal));
                }
                break;
            case 2:
                mTab3.setImageDrawable(getResources().getDrawable(R.drawable.tab_find_frd_pressed));
                if (currIndex == 0) {
                    animation = new TranslateAnimation(zero, two, 0, 0);
                    mTab1.setImageDrawable(getResources().getDrawable(R.drawable.tab_weixin_normal));
                } else if (currIndex == 1) {
                    animation = new TranslateAnimation(one, two, 0, 0);
                    mTab2.setImageDrawable(getResources().getDrawable(R.drawable.tab_address_normal));
                }
                else if (currIndex == 3) {
                    animation = new TranslateAnimation(three, two, 0, 0);
                    mTab4.setImageDrawable(getResources().getDrawable(R.drawable.tab_settings_normal));
                }
                break;
            case 3:
                mTab4.setImageDrawable(getResources().getDrawable(R.drawable.tab_settings_pressed));
                if (currIndex == 0) {
                    animation = new TranslateAnimation(zero, three, 0, 0);
                    mTab1.setImageDrawable(getResources().getDrawable(R.drawable.tab_weixin_normal));
                } else if (currIndex == 1) {
                    animation = new TranslateAnimation(one, three, 0, 0);
                    mTab2.setImageDrawable(getResources().getDrawable(R.drawable.tab_address_normal));
                }
                else if (currIndex == 2) {
                    animation = new TranslateAnimation(two, three, 0, 0);
                    mTab3.setImageDrawable(getResources().getDrawable(R.drawable.tab_find_frd_normal));
                }
                break;
            }
            currIndex = arg0;
            animation.setFillAfter(true);// True:图片停在动画结束位置
            animation.setDuration(150);
            mTabImg.startAnimation(animation);
        }
         
        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {
        }
 
        @Override
        public void onPageScrollStateChanged(int arg0) {
        }
    }
     
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {  //获取 back键
             
            if(menu_display){         //如果 Menu已经打开 ,先关闭Menu
                menuWindow.dismiss();
                menu_display = false;
                }
            else {
                Intent intent = new Intent();
                intent.setClass(MainWeixin.this,Exit.class);
                startActivity(intent);
            }
        }
         
        else if(keyCode == KeyEvent.KEYCODE_MENU){   //获取 Menu键        
            if(!menu_display){
                //获取LayoutInflater实例
                inflater = (LayoutInflater)this.getSystemService(LAYOUT_INFLATER_SERVICE);
                //这里的main布局是在inflate中加入的哦,以前都是直接this.setContentView()的吧?呵呵
                //该方法返回的是一个View的对象,是布局中的根
                layout = inflater.inflate(R.layout.main_menu, null);
                 
                //下面我们要考虑了,我怎样将我的layout加入到PopupWindow中呢???很简单
                menuWindow = new PopupWindow(layout,LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT); //后两个参数是width和height
                //menuWindow.showAsDropDown(layout); //设置弹出效果
                //menuWindow.showAsDropDown(null, 0, layout.getHeight());
                menuWindow.showAtLocation(this.findViewById(R.id.mainweixin), Gravity.BOTTOM|Gravity.CENTER_HORIZONTAL, 0, 0); //设置layout在PopupWindow中显示的位置
                //如何获取我们main中的控件呢?也很简单
                mClose = (LinearLayout)layout.findViewById(R.id.menu_close);
                mCloseBtn = (LinearLayout)layout.findViewById(R.id.menu_close_btn);
                 
                 
                //下面对每一个Layout进行单击事件的注册吧。。。
                //比如单击某个MenuItem的时候,他的背景色改变
                //事先准备好一些背景图片或者颜色
                mCloseBtn.setOnClickListener (new View.OnClickListener() {                 
                    @Override
                    public void onClick(View arg0) {                       
                        //Toast.makeText(Main.this, "退出", Toast.LENGTH_LONG).show();
                        Intent intent = new Intent();
                        intent.setClass(MainWeixin.this,Exit.class);
                        startActivity(intent);
                        menuWindow.dismiss(); //响应点击事件之后关闭Menu
                    }
                });            
                menu_display = true;               
            }else{
                //如果当前已经为显示状态,则隐藏起来
                menuWindow.dismiss();
                menu_display = false;
                }
             
            return false;
        }
        return false;
    }
    //设置标题栏右侧按钮的作用
    public void btnmainright(View v) { 
        Intent intent = new Intent (MainWeixin.this,MainTopRightDialog.class);         
        startActivity(intent); 
        //Toast.makeText(getApplicationContext(), "点击了功能按钮", Toast.LENGTH_LONG).show();
      }    
    public void startchat(View v) {      //小黑  对话界面
        Intent intent = new Intent (MainWeixin.this,ChatActivity.class);           
        startActivity(intent); 
        //Toast.makeText(getApplicationContext(), "登录成功", Toast.LENGTH_LONG).show();
      
    public void exit_settings(View v) {                           //退出  伪“对话框”,其实是一个activity
        Intent intent = new Intent (MainWeixin.this,ExitFromSettings.class);           
        startActivity(intent); 
     }
    public void btn_shake(View v) {                                   //手机摇一摇
        Intent intent = new Intent (MainWeixin.this,ShakeActivity.class);          
        startActivity(intent); 
    }
}
     
    

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