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   源码介绍

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圆角矩形UI、带表情的输入、PopUpWindow演示

package com.starry.activity;

import java.util.ArrayList;
import java.util.HashMap;

import com.starry.adapter.TaskListsAdapter;
import com.wd.activity.R;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.PopupWindow.OnDismissListener;
import android.widget.RelativeLayout;
import android.widget.TextView;

public class TaskActivity extends Activity {
 private Button mBack;
 private Button mTitleBarTitle;
 private MyClickListener listener;
 //PopupWindow
 private PopupWindow mTitlePopupWindow;
 private RelativeLayout layout;
 private Button mTitleAllTasks,mTitlePublicTasks,mTitleApplyTasks;
 //任务列表视图
 private ListView mTaskListView;
 //任务适配器
 private TaskListsAdapter mAdapter;
 
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_task);
  //初始化组件
  initComponent();
  //初始化数据
  initData();
  //注册监听
  registerListener();
 }
 
 private void initComponent(){
  mBack = (Button) findViewById(R.id.titlebar_btn_back);
  mTitleBarTitle = (Button) findViewById(R.id.titlebar_btn_title);
  mTaskListView = (ListView) findViewById(R.id.task_lists);
 }
 
 private void initData(){
  //测试数据
  ArrayList<HashMap<String,Object>> datas = new ArrayList<HashMap<String,Object>>();
  for (int i = 0; i < 10; i ) {
   HashMap<String,Object> hashmap = new HashMap<String, Object>();
   hashmap.put("task_title", "大二高数" i);
   hashmap.put("task_breif", "要补考，求大神帮忙.要补考，求大神帮忙.要补考，求大");
   hashmap.put("task_end_time_text", "周五下午");
   hashmap.put("task_reward_text", "请吃饭");
   hashmap.put("task_comment_text", i 1);
   hashmap.put("publisher_name", "冥神" i);
   hashmap.put("publisher_sex", R.drawable.sex_male);
   hashmap.put("publisher_nianji", "2010级");
   hashmap.put("publisher_department", "土木建筑");
   hashmap.put("publisher_head_img", R.drawable.ic_launcher);
   
   datas.add(hashmap);
  }
  
  mAdapter = new TaskListsAdapter(datas, TaskActivity.this);
  //设置适配器
  mTaskListView.setAdapter(mAdapter);
 }
 
 private void registerListener(){
  listener = new MyClickListener();
  mTitleBarTitle.setOnClickListener(listener);
  mBack.setOnClickListener(listener);
  mTaskListView.setOnItemClickListener(new OnItemClickListener() {
   @Override
   public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
    Intent intent = new Intent(TaskActivity.this,TaskDetailActivity.class);
    startActivity(intent);
    //设置切换Activity的动画
    overridePendingTransition(R.anim.activity_right_first, R.anim.activity_left_first);
   }
  });
 }
 
 private void showPopUpWindow(int x , int y){
  layout = (RelativeLayout) LayoutInflater.from(this).inflate(R.layout.activity_popupwindow, null);
  mTitleAllTasks = (Button) layout.findViewById(R.id.titlebar_title_all_tasks);
  mTitlePublicTasks = (Button) layout.findViewById(R.id.titlebar_title_public_tasks);
  mTitleApplyTasks = (Button) layout.findViewById(R.id.titlebar_title_apply_tasks);
  mTitleAllTasks.setOnClickListener(listener);
  mTitlePublicTasks.setOnClickListener(listener);
  mTitleApplyTasks.setOnClickListener(listener);
  if(mTitlePopupWindow == null){
   mTitlePopupWindow = new PopupWindow(TaskActivity.this);
  }
  mTitlePopupWindow.setContentView(layout);
  mTitlePopupWindow.setWidth(LayoutParams.WRAP_CONTENT);
  mTitlePopupWindow.setHeight(LayoutParams.WRAP_CONTENT);
  //设置该3个属性，实现点击PopupWindow之外的区域，使PopupWindow消失
  mTitlePopupWindow.setTouchable(true);
  mTitlePopupWindow.setFocusable(true);
  mTitlePopupWindow.setBackgroundDrawable(new BitmapDrawable());
  
  mTitlePopupWindow.showAtLocation(findViewById(R.id.titlebar_btn_title),
    Gravity.LEFT|Gravity.TOP, x, y);
  
  //如果popupwindow失去焦点，恢复标题的右边图标
  mTitlePopupWindow.setOnDismissListener(new OnDismissListener() {
   @Override
   public void onDismiss() {
    hidePopupWindow();
   }
  });
 }
 
 class MyClickListener implements OnClickListener{
  @Override
  public void onClick(View v) {
   Drawable imgOpen = getResources().getDrawable(R.drawable.titlebar_title_on);
   
   switch (v.getId()) {
   case R.id.titlebar_btn_title:
    Rect frame = new Rect(); 
    getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); 
    int state_heght = frame.top;// 状态栏的高度 
    int y = mTitleBarTitle.getBottom() state_heght ; 
    int x = getWindowManager().getDefaultDisplay().getWidth()/4; 
    showPopUpWindow(x 10, y-6);
    
    imgOpen.setBounds(0, 0, imgOpen.getMinimumWidth(), imgOpen.getMinimumHeight());
    mTitleBarTitle.setCompoundDrawables(null, null,
      imgOpen, null);
    break;
   case R.id.titlebar_title_all_tasks:
    mTitleBarTitle.setText(mTitleAllTasks.getText().toString());
    hidePopupWindow();
    
    break;
   case R.id.titlebar_title_public_tasks:
    mTitleBarTitle.setText(mTitlePublicTasks.getText().toString());
    hidePopupWindow();
    break;
   case R.id.titlebar_title_apply_tasks:
    mTitleBarTitle.setText(mTitleApplyTasks.getText().toString());
    hidePopupWindow();
    break;
   case R.id.titlebar_btn_back:
    finish();
    break;
   }
  }
  
 }
 //隐藏PopupWindow
 private void hidePopupWindow(){
  if(mTitlePopupWindow.isShowing() && mTitlePopupWindow != null){
   mTitlePopupWindow.dismiss();
  }
  Drawable imgOff = getResources().getDrawable(R.drawable.titlebar_title_off);
  imgOff.setBounds(0, 0, imgOff.getMinimumWidth(), imgOff.getMinimumHeight());
  mTitleBarTitle.setCompoundDrawables(null, null,
    imgOff, null);
 }
 
 

}