Android 3新特性+源码实现

文章由LinuxBoy分享于2019-04-01 04:04:08热评（407）

Android 3新特性+源码实现

之前一直都在做Android 2.2的，抽点了些时间详细看了下Android 3之后版本，现在最新版本已经实3.2了，感觉版本更新的实太快了，这个Android的一般人还真实很难适应如此更新速度，为了尽量不被其OUT就稍微闲时就对其关注下，写了些简单的实列，由于时间的问题，所以我就把简单的几个新特性直接以源代码的方式贴出来吧。

本源码实现了Android 3的最新特性的实列，有想需要Android 3并不知道从哪里学起的人，可以下去运行起来看效果后再去看代码，这样有处你更好的去掌握与学习相关。

源码下载地址：

相关文件下载地址在帮客之家的1号FTP服务器里，下载地址：

FTP地址：ftp://www.bkjia.com

用户名：www.bkjia.com

密码：www.muu.cc

在 2011年LinuxIDC.com\8月\Android 3新特性+源码实现

下载方法见这里 http://www.bkjia.net/thread-1187-1-1.html

项目源码：

package com.jsd.demo;

import android.app.ActivityGroup;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.LinearLayout;

public class MainActivity extends ActivityGroup {

private Button calendarView,numberPicker,stackVIew,adaViewAnim,popMenu,searchView,notifications;
private LinearLayout content;

@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        findViewById();
    }

private void findViewById(){
  content = (LinearLayout) findViewById(R.id.content);
  calendarView = (Button) findViewById(R.id.calendarView);
  calendarView.setOnClickListener(listener);
  numberPicker = (Button) findViewById(R.id.numberPicker);
  numberPicker.setOnClickListener(listener);
  stackVIew = (Button) findViewById(R.id.stackView);
  stackVIew.setOnClickListener(listener);
  adaViewAnim = (Button) findViewById(R.id.adaViewAnim);
  adaViewAnim.setOnClickListener(listener);
  popMenu = (Button) findViewById(R.id.popMenu);
  popMenu.setOnClickListener(listener);
  searchView = (Button) findViewById(R.id.searchView);
  searchView.setOnClickListener(listener);
  notifications = (Button) findViewById(R.id.notifications);
  notifications.setOnClickListener(listener);
}

private OnClickListener listener = new OnClickListener() {
  @Override
  public void onClick(View v) {
   switch (v.getId()) {
   case R.id.calendarView:
    content.removeAllViews();
    content.addView(getLocalActivityManager().startActivity("calendarView", new Intent(MainActivity.this,CalendarActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
    break;
   case R.id.numberPicker:
    content.removeAllViews();
    content.addView(getLocalActivityManager().startActivity("numberPicker", new Intent(MainActivity.this,NumberPickerActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
    break;
   case R.id.stackView:
    content.removeAllViews();
    content.addView(getLocalActivityManager().startActivity("stackView", new Intent(MainActivity.this,StackViewActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
    break;
   case R.id.adaViewAnim:
    content.removeAllViews();
    content.addView(getLocalActivityManager().startActivity("AdapVIewAnimation", new Intent(MainActivity.this,AdapVIewAnimation.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
    break;
   case R.id.popMenu:
    content.removeAllViews();
    content.addView(getLocalActivityManager().startActivity("popMenu", new Intent(MainActivity.this,PopMenuActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
    break;
   case R.id.searchView:
    content.removeAllViews();
    content.addView(getLocalActivityManager().startActivity("searchView", new Intent(MainActivity.this,SearchViewDemo.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
    break;
   case R.id.notifications:
    content.removeAllViews();
    content.addView(getLocalActivityManager().startActivity("notifications", new Intent(MainActivity.this,NotificationActvity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
    break;
   }
  }
};
}

package com.jsd.demo;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.LinearLayout;

public class ColorAdapter extends BaseAdapter{

private Context mContext;
private int[] mColors;

public ColorAdapter(Context c,int[] colors) {
  mContext = c;
  mColors = colors;
}

@Override
public int getCount() {
  return mColors == null ? 0 : mColors.length;
}

@Override
public Object getItem(int position) {
return mColors == null ? null : mColors[position];
}

@Override
public long getItemId(int position) {
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
  LinearLayout.LayoutParams colorLayoutParams = new LinearLayout.LayoutParams(100,100);
  LinearLayout colorLayout = new LinearLayout(mContext);
  colorLayout.setBackgroundColor(mColors[position]);
  colorLayout.setLayoutParams(colorLayoutParams);
  return colorLayout;
}

}

package com.jsd.demo;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterViewFlipper;
import android.widget.Button;
/**
*
* @author jankey
*
*/
public class AdapVIewAnimation extends Activity{

private int color[] = {Color.CYAN,Color.BLUE,Color.DKGRAY,Color.GREEN,Color.LTGRAY,Color.RED};

private AdapterViewFlipper mAdapterView;

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.adapter_anim);
  findViewById();
}

private void findViewById(){
  mAdapterView = (AdapterViewFlipper) findViewById(R.id.mAdapterViewFlipper);
  ColorAdapter ca = new ColorAdapter(this, color);
  mAdapterView.setAdapter(ca);
  Button piver = (Button) findViewById(R.id.previ);
  piver.setOnClickListener(listener);
  Button next = (Button) findViewById(R.id.next);
  next.setOnClickListener(listener);
}

private OnClickListener listener = new OnClickListener() {
  @Override
  public void onClick(View v) {
   switch (v.getId()) {
   case R.id.previ:
    mAdapterView.showPrevious();
    break;
   case R.id.next:
    mAdapterView.showNext();
    break;
   }
  }
};
}

package com.jsd.demo;

import android.app.Activity;
import android.os.Bundle;
import android.widget.CalendarView;
import android.widget.Toast;
import android.widget.CalendarView.OnDateChangeListener;

public class CalendarActivity extends Activity{

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.calendarview);
  findViewById();
}

private void findViewById(){
  CalendarView calendarView = (CalendarView) findViewById(R.id.calendarView);
        calendarView.setOnDateChangeListener(new OnDateChangeListener() {
    @Overridepackage com.jsd.demo;

import android.app.Activity;
import android.os.Bundle;
import android.widget.NumberPicker;
import android.widget.Toast;
import android.widget.NumberPicker.OnValueChangeListener;

public class NumberPickerActivity extends Activity{

private NumberPicker mNp1 = null,mNp2 = null,mNp3 = null;

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.number_picker);
  findViewById();
}

private void findViewById(){
  mNp1 = (NumberPicker) findViewById(R.id.numberPicker);
  mNp1.setLeft(0);
  mNp1.setMaxValue(24);
  mNp1.setOnValueChangedListener(new OnValueChangeListener() {
   @Override
   public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
    Toast.makeText(NumberPickerActivity.this, picker.getValue()+"hours-", 1).show();
   }
  });
  mNp2 = (NumberPicker) findViewById(R.id.numberPicker2);
  mNp2.setLeft(0);
  mNp2.setMaxValue(60);
  mNp2.setOnValueChangedListener(new OnValueChangeListener() {
   @Override
   public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
    Toast.makeText(NumberPickerActivity.this, picker.getValue()+"minutes", 1).show();
   }
  });
  mNp3 = (NumberPicker) findViewById(R.id.numberPicker3);
  mNp3.setLeft(0);
  mNp3.setMaxValue(60);
  mNp3.setOnValueChangedListener(new OnValueChangeListener() {
   @Override
   public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
    Toast.makeText(NumberPickerActivity.this, picker.getValue()+"seconds", 1).show();
   }
  });
}
}
    public void onSelectedDayChange(CalendarView view, int year, int month,
      int dayOfMonth) {
     Toast.makeText(CalendarActivity.this, "年:"+year+"-月:"+month+"-日:"+dayOfMonth, 1).show();

    }
   });
}
}

package com.jsd.demo;

import java.io.InputStream;

import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class NotificationActvity extends Activity{

private NotificationManager nm = null;
private Notification.Builder build = null;
private Notification n;

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.notifactions);
  findViewById();
}

private void findViewById(){
  Button notifications = (Button) findViewById(R.id.notifications);
  nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
  build = new Notification.Builder(NotificationActvity.this);
  build.setDefaults(Notification.DEFAULT_SOUND);
  build.setAutoCancel(true);
  build.setContentTitle("title");
  build.setContentText("this is for message!");
  InputStream is = getResources().openRawResource(R.drawable.icon);
  Bitmap bitmap = new BitmapDrawable(is).getBitmap();
  build.setLargeIcon(bitmap);
//  build.setSmallIcon(R.drawable.icon);
  Intent it = new Intent(this,PopMenuActivity.class);
  PendingIntent pIntent = PendingIntent.getActivity(this, 0,it,0);
  build.setContentIntent(pIntent);
  n = build.getNotification();
  notifications.setOnClickListener(listener);
}

private OnClickListener listener = new OnClickListener() {
  @Overridepackage com.jsd.demo;

import android.app.Activity;
import android.os.Bundle;
import android.view.MenuItem;
import android.view.View;
import android.widget.PopupMenu;
import android.widget.Toast;

/**
*
* @author jankey
*
*/
public class PopMenuActivity extends Activity{

PopupMenu popup = null;

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.popumenu);
  findViewById();
}

private void findViewById(){
}

public void onPopuButtonClick(View button){
  popup = new PopupMenu(this, button);
  popup.getMenuInflater().inflate(R.menu.popu, popup.getMenu());
  popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
   @Override
   public boolean onMenuItemClick(MenuItem item) {
    if(item.getTitle().equals("exit")){
     popup.dismiss();
    }else{
     Toast.makeText(PopMenuActivity.this, item.getTitle(), 1).show();
    }
    return true;
   }
  });
  popup.show();
}
}
  public void onClick(View v) {
   nm.notify(0, n);
   Toast.makeText(NotificationActvity.this,"notifications..",0).show();
  }
};
}

package com.jsd.demo;

import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.Window;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.SearchView;
import android.widget.SearchView.OnQueryTextListener;
import android.widget.Toast;

/**
*
* @author jankey
*
*/
public class SearchViewDemo extends Activity implements OnQueryTextListener{

private SearchView mSV;
private ListView mList;

private final String[] mStr = {"a","b","c","d","蒋","世","德","jankey"};

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  getWindow().requestFeature(Window.FEATURE_NO_TITLE);
  setContentView(R.layout.searchview);
  findViewById();
}

private void findViewById(){
  mList = (ListView) findViewById(R.id.list_view);
  mList.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mStr));
  mList.setTextFilterEnabled(true);
  mSV = (SearchView) findViewById(R.id.search_view);
  mSV.setIconifiedByDefault(false);
  mSV.setOnQueryTextListener(this);
  mSV.setSubmitButtonEnabled(true);
  mSV.setQueryHint("Search!");
}

@Override
public boolean onQueryTextChange(String newText) {
  if(TextUtils.isEmpty(newText)){
   mList.clearTextFilter();
  }else{
   mList.setFilterText(newText.toString());
  }
  return true;
}

@Override
public boolean onQueryTextSubmit(String query) {
Toast.makeText(this, "Search:"+query, 0).show();
return false;package com.jsd.demo;

/**
*
* @author jankey
*
*/
public class StackViewActivity extends Activity{

private int color[] = {Color.BLUE,Color.CYAN,Color.GRAY,Color.GREEN,Color.WHITE};
StackView stackView;
@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.stack_view);
  findViewById();
}

private void findViewById(){
  stackView = (StackView) findViewById(R.id.stackView);
  ColorAdapter ca = new ColorAdapter(this, color);
  stackView.setAdapter(ca);
  final Button pre = (Button) findViewById(R.id.previer);
  pre.setOnClickListener(listener);
  final Button next = (Button) findViewById(R.id.next);
  next.setOnClickListener(listener);
}

private OnClickListener listener = new OnClickListener() {
  @Override
  public void onClick(View v) {
   switch (v.getId()) {
   case R.id.next:
    stackView.showNext();
    break;
   case R.id.previer:
    stackView.showPrevious();
    break;
   }
  }
};
}
}
}

<?xml version="1.0" encoding="utf-8"?>
<menu
xmlns:android="http://schemas.android.com/apk/res/android">
    <item
    android:id="@+id/search"
    android:icon="@android:drawable/ic_menu_search"
    android:title="popu_search"
    />
    <item
    android:id="@+id/add"
    android:icon="@android:drawable/ic_menu_add"
    android:title="add"
    />
    <item
    android:id="@+id/edit"
    android:icon="@android:drawable/ic_menu_edit"
    android:title="edit"
    >
    <menu>
      <item
       android:id="@+id/share"
       android:icon="@android:drawable/ic_menu_share"
       android:title="popu_share"
       />
    </menu>
    </item>
    <item
    android:id="@+id/edit"
    android:icon="@android:drawable/ic_menu_edit"
    android:title="popu_edit"
    />
</menu>

<?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"
    >
<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    />
    <Button

    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="demo"/>

    <LinearLayout
    android:orientation="horizontal"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    >
    <Button
    android:id="@+id/calendarView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="calendarView"
    />
    <Button
    android:id="@+id/numberPicker"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="numberPicker"
    />
    <Button
    android:id="@+id/stackView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="stackView"
    />
    <Button
    android:id="@+id/adaViewAnim"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="adaViewAnim"
    />
    <Button
    android:id="@+id/popMenu"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="popMenu"
    />
    <Button
    android:id="@+id/searchView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="searchView"
    />
    <Button
    android:id="@+id/notifications"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="notifications"
    />
    </LinearLayout>
    <LinearLayout
    android:id="@+id/content"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_weight="1"
    />
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<AdapterViewFlipper
android:id="@+id/mAdapterViewFlipper"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:loopViews="true"
></AdapterViewFlipper>
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
>
<Button
  android:id="@+id/previ"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:text="previe"
  />
<Button
  android:id="@+id/next"
  android:layout_width="wrap_content"<?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"
>
    <CalendarView
    android:id="@+id/calendarView"
    android:layout_width="700dip"
    android:layout_height="750dip"<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="日期测试"
android:gravity="center_horizontal"
/>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<NumberPicker
  android:id="@+id/numberPicker"
  android:layout_width="80dp"
  android:layout_height="wrap_content"
  android:focusable="true"
  android:focusableInTouchMode="true"
  />
<TextView
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:text="hours"
  />
<NumberPicker
  android:id="@+id/numberPicker2"
  android:layout_width="80dp"
  android:layout_height="wrap_content"
  android:focusable="true"
  android:focusableInTouchMode="true"
  />
<TextView
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:text="minutes"
  />
<NumberPicker
  android:id="@+id/numberPicker3"
  android:layout_width="80dp"
  android:layout_height="wrap_content"
  android:focusable="true"
  android:focusableInTouchMode="true"
  />
<TextView
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:text="second"
  />

</LinearLayout>
</LinearLayout>
    />
</LinearLayout>
  android:layout_height="wrap_content"
  android:text="next"
  />
</LinearLayout>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.jsd.demo"
      android:versionCode="1"
      android:versionName="1.0">
    <uses-sdk android:minSdkVersion="11" />