仿微信头部工具栏下拉效果

最新推荐文章于 2025-08-18 09:58:29 发布

转载最新推荐文章于 2025-08-18 09:58:29 发布 · 1.1k 阅读

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#Android #微信

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看到好多应用都用到，最近开发自己有用到了，整理一下，做成类似控件，下次快速开发，待完善

源码来源：
http://www.eoeandroid.com/thread-235043-1-5.html

weixin_plus.png 外部引用原始文档

AndroidManifest.xml 外部引用原始文档

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.yaming.titlepup"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="16" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.yaming.titlepup.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

MainActivity.java 外部引用原始文档

package com.yaming.titlepup;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;

public class MainActivity extends Activity {

	private TitlePopup titlePopup;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		init();
		
		((Button) findViewById(R.id.button1)).setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				titlePopup.show(v);;
			}
		});
		
	}
	
	
	
	
	private void init(){
		titlePopup = new TitlePopup(this, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
		titlePopup.addAction(new ActionItem(this, "测试1", R.drawable.mm_title_btn_receiver_normal));
		titlePopup.addAction(new ActionItem(this, "测试2", R.drawable.mm_title_btn_set_normal));
		titlePopup.addAction(new ActionItem(this, "测试3", R.drawable.mm_title_btn_share_normal));
		titlePopup.addAction(new ActionItem(this, "测试4", R.drawable.mm_title_btn_speaker_normal));
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		getMenuInflater().inflate(R.menu.activity_main, menu);
		return true;
	}

}

ActionItem.java 外部引用原始文档

package com.yaming.titlepup;

import android.content.Context;
import android.graphics.drawable.Drawable;

public class ActionItem {
	public Drawable mDrawable;
	public CharSequence mTitle;
	
	public ActionItem(Drawable drawable, CharSequence title){
		this.mDrawable = drawable;
		this.mTitle = title;
	}
	
	public ActionItem(Context context, int titleId, int drawableId){
		this.mTitle = context.getResources().getText(titleId);
		this.mDrawable = context.getResources().getDrawable(drawableId);
	}
	
	public ActionItem(Context context, CharSequence title, int drawableId) {
		this.mTitle = title;
		this.mDrawable = context.getResources().getDrawable(drawableId);
	}
}

TitlePopup.java 外部引用原始文档

package com.yaming.titlepup;

import java.util.ArrayList;

import android.content.Context;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.TextView;


public class TitlePopup extends PopupWindow {
	public static final int TITLE_LEFT = 0;
	public static final int TITLE_RIGHT = 1;
	protected final int LIST_PADDING = 10;
	
	private Context mContext;
	private Rect mRect = new Rect();
	private final int[] mLocation = new int[2];
	
	private int mScreenWidth;
	private int mScreenHeight;
	private boolean mIsDirty;
	
	private int popupGravity = Gravity.NO_GRAVITY;
	
	private int mDirection = TITLE_RIGHT;
	
	private OnItemOnClickListener mItemOnClickListener;
	
	private ListView mListView;
	private ArrayList<ActionItem> mActionItems = new ArrayList<ActionItem>();
	public static interface OnItemOnClickListener{
		public void onItemClick(ActionItem item , int position);
	}
	
	
	public TitlePopup(Context context){
		this(context, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
	}
	
	public TitlePopup(Context context, int width, int height){
		this.mContext = context;
		setFocusable(true);
		setTouchable(true);
		setOutsideTouchable(true);
		mScreenWidth = Util.getScreenWidth(mContext);
		mScreenHeight = Util.getScreenHeight(mContext);
		setWidth(width);
		setHeight(height);
		setBackgroundDrawable(new BitmapDrawable());
		setContentView(LayoutInflater.from(mContext).inflate(R.layout.title_popup, null));
		initUI();
	}
	
	private void initUI(){
		mListView = (ListView) getContentView().findViewById(R.id.title_list);
		mListView.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1, int index,
					long arg3) {
				dismiss();
				if(mItemOnClickListener != null)
					mItemOnClickListener.onItemClick(mActionItems.get(index), index);
			}
		}); 
	}
	
	public void addAction(ActionItem action){
		if(action != null){
			mActionItems.add(action);
			mIsDirty = true;
		}
	}
	
	public void cleanAction(){
		if(mActionItems.isEmpty()){
			mActionItems.clear();
			mIsDirty = true;
		}
	}
	
	public ActionItem getAction(int position){
		if(position < 0 || position > mActionItems.size())
			return null;
		return mActionItems.get(position);
	}
	
	public void setDirection(int direction){
		this.mDirection = direction;
	}
	
	public void setItemOnClickListener(OnItemOnClickListener onItemOnClickListener){
		this.mItemOnClickListener = onItemOnClickListener;
	}
	
	private void populateActions(){
		mIsDirty = false;
		
		mListView.setAdapter(new BaseAdapter() {
			
			@Override
			public View getView(int position, View convertView, ViewGroup parent) {
				TextView textView = null;
				
				if(convertView == null){
					textView = new TextView(mContext);
					textView.setTextColor(mContext.getResources().getColor(android.R.color.white));
					textView.setTextSize(18);
					textView.setPadding(0, 10, 0, 10);
					textView.setSingleLine(true);
				}else{
					textView = (TextView) convertView;
				}
				
				ActionItem item = mActionItems.get(position);
				
				textView.setText(item.mTitle);
				textView.setCompoundDrawablePadding(10);
                textView.setCompoundDrawablesWithIntrinsicBounds(item.mDrawable, null , null, null);
				return textView;
			}
			
			@Override
			public long getItemId(int position) {
				return position;
			}
			
			@Override
			public Object getItem(int position) {
				return mActionItems.get(position);
			}
			
			@Override
			public int getCount() {
				return mActionItems.size();
			}
		}) ;
	}
	
	public void show(View view){
		view.getLocationOnScreen(mLocation);
		mRect.set(mLocation[0], mLocation[1], mLocation[0] + view.getWidth(),
				mLocation[1] + view.getHeight());
		if(mIsDirty){
			populateActions();
		}
		
		showAtLocation(view, popupGravity, mScreenWidth - LIST_PADDING - (getWidth()/2), mRect.bottom);
	}
	
}

Util.java 外部引用原始文档

package com.yaming.titlepup;

import java.io.File;
import java.util.List;
import java.util.Map;
import java.util.Set;

import android.content.Context;
import android.os.Environment;
import android.view.View;
import android.view.inputmethod.InputMethodManager;

public class Util {
	public final static String TAG = Util.class.getSimpleName();

	/**
	 * get exter store status if state is Environment.MEDIA_MOUNTED the exter
	 * sotre can read/write
	 * 
	 * @return
	 */
	public static String getExternalStorageState() {
		return Environment.getExternalStorageState();
	}

	/**
	 * get exter store is can read/write
	 * 
	 * @return
	 */
	public static boolean getExternalStoreState() {
		if (Environment.MEDIA_MOUNTED.equals(Util.getExternalStorageState()))
			return true;
		return false;
	}

	/**
	 * get exter store file
	 * 
	 * @return
	 */
	public static File getExternalStorageFile() {
		return Environment.getExternalStorageDirectory();
	}

	/**
	 * get exter store path
	 * 
	 * @return
	 */
	public static String getExternalStoragePath() {
		return Environment.getExternalStorageDirectory().getAbsolutePath();
	}

	/**
	 * judge the list is null or empty
	 * 
	 */
	public static boolean isEmpty(List<? extends Object> list) {
		if (list == null || list.isEmpty()) {
			return true;
		}

		return false;
	}

	/**
	 * judge the set is null or empty
	 */
	public static boolean isEmpty(Set<? extends Object> set) {
		if (set == null || set.isEmpty())
			return true;
		return false;
	}

	/**
	 * judge the map is null or empty
	 */
	public static boolean isEmpty(Map<? extends Object, ? extends Object> map) {
		if (map == null || map.isEmpty())
			return true;
		return false;
	}

	/**
	 * get the width of the device screen
	 * 
	 * @param context
	 * @return
	 */
	public static int getScreenWidth(Context context) {
		return context.getResources().getDisplayMetrics().widthPixels;
	}

	/**
	 * get the height of the device screen
	 * 
	 * @param context
	 * @return
	 */
	public static int getScreenHeight(Context context) {
		return context.getResources().getDisplayMetrics().heightPixels;
	}

	/**
	 * get the density of the device screen
	 * 
	 * @param context
	 * @return
	 */
	public static float getScreenDensity(Context context) {
		return context.getResources().getDisplayMetrics().density;
	}

	/**
	 * dip to px
	 * 
	 * @param context
	 * @param px
	 * @return
	 */
	public static int dip2px(Context context, float px) {
		final float scale = getScreenDensity(context);
		return (int) (px * scale + 0.5);
	}

	/**
	 * hide softinput method
	 * 
	 * @param view
	 */
	public static void hideSoftInput(View view) {
		if (view == null)
			return;
		InputMethodManager imm = (InputMethodManager) view.getContext()
				.getSystemService(Context.INPUT_METHOD_SERVICE);
		if (imm.isActive()) {
			imm.hideSoftInputFromWindow(view.getApplicationWindowToken(), 0);
		}
	}

	/**
	 * show softinput method
	 * 
	 * @param view
	 */
	public static void showSoftInput(View view) {
		if (view == null)
			return;
		InputMethodManager imm = (InputMethodManager) view.getContext()
				.getSystemService(Context.INPUT_METHOD_SERVICE);
		imm.showSoftInput(view, 0);
	}
}