// 获得当前的时间，获得小时和分钟 Calendar calendar = Calendar.getInstance(); hourOfDay = calendar.get(Calendar.HOUR_OF_DAY); minute = calendar.get(Calendar.MINUTE);// 获得当前的秒 year = calendar.get(Calendar.YEAR); monthOfYear = calendar.get(Calendar.MONTH); dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);
public void onClick(View v) {
switch (v.getId()) {
case R.id.button1:
TimePickerDialog timePickerDialog = new TimePickerDialog(Main.this,
new MyTimePickerDialog(), hourOfDay, minute, true);
timePickerDialog.show();// 显示对话框
break;
case R.id.button2:
DatePickerDialog datePickerDialog = new DatePickerDialog(Main.this,
new MyDatePickerDialog(), year, monthOfYear, dayOfMonth);
datePickerDialog.show();// 显示对话框
break;
}
}
public class MyDatePickerDialog implements
DatePickerDialog.OnDateSetListener {
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
Toast.makeText(Main.this, "year:" + year + "monthOfYear:" + monthOfYear + "dayOfMonth:" + dayOfMonth, 1).show();
}
}
public class MyTimePickerDialog implements
TimePickerDialog.OnTimeSetListener {
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
Toast.makeText(Main.this, "hourOfDay:" + hourOfDay + "minute:" + minute, 1).show();
}
}// 如何设置窗口有刻度的效果 requestWindowFeature(Window.FEATURE_PROGRESS); requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); setContentView(R.layout.main); progressBar = (ProgressBar) this.findViewById(R.id.progressbar); setProgressBarVisibility(true); setProgressBarIndeterminate(true); setProgress(3500);
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.button1:
progressBar.setProgress((int) (progressBar.getProgress() * 1.2));
progressBar.setSecondaryProgress((int) (progressBar
.getSecondaryProgress() * 1.2));
break;
case R.id.button2:
progressBar.setProgress((int) (progressBar.getProgress() * 0.8));
progressBar.setSecondaryProgress((int) (progressBar
.getSecondaryProgress() * 0.8));
break;
}
}ratingBar.setMax(100);// 设置最大刻度 ratingBar.setProgress(20);// 设置当前的刻度 ratingBar.setOnRatingBarChangeListener(this);
@Override
public void onRatingChanged(RatingBar ratingBar, float rating,
boolean fromUser) {
// TODO Auto-generated method stub
int progress = ratingBar.getProgress();
Toast.makeText(Main.this, "progress:" + progress + "rating:" + rating,
1).show();
}<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="wrap_content">
<LinearLayout android:layout_width="fill_parent"
android:orientation="vertical" android:layout_height="fill_parent">
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="滚动视图"
android:textSize="30dp"></TextView>
</LinearLayout>
</ScrollView><?xml version="1.0" encoding="utf-8"?>
<HorizontalScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="wrap_content">
<LinearLayout android:orientation="horizontal"
android:layout_width="fill_parent" android:layout_height="fill_parent">
<ImageView android:layout_width="wrap_content"
android:layout_height="wrap_content" android:src="@drawable/item1"></ImageView>
</LinearLayout>
</HorizontalScrollView>package com.android.mygallery;
import android.app.Activity;
import android.content.Context;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.ImageView;
public class Main extends Activity {
/** Called when the activity is first created. */
private Gallery gallery;
private ImageAdapter imageAdapter;
// 声明图片的数组
private int[] resIds = { R.drawable.item1, R.drawable.item2,
R.drawable.item3, R.drawable.item4, R.drawable.item5,
R.drawable.item6, R.drawable.item7, R.drawable.item8,
R.drawable.item9, R.drawable.item10, R.drawable.item11,
R.drawable.item12, R.drawable.item13, R.drawable.item14,
R.drawable.item15 };
// android的适配器
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
gallery = (Gallery) this.findViewById(R.id.gallery);
imageAdapter = new ImageAdapter(this);
gallery.setAdapter(imageAdapter);
}
public class ImageAdapter extends BaseAdapter {
private Context context;
int mGralleyItemBackground;// 使用简单的计数器，填充背景图片
public ImageAdapter(Context context) {
this.context = context;
// 读取属性
TypedArray typedArray = obtainStyledAttributes(R.styleable.Gallery);
mGralleyItemBackground = typedArray.getResourceId(
R.styleable.Gallery_android_galleryItemBackground, 0);
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return Integer.MAX_VALUE;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return resIds[position];
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
// 自定义的适配器，需要用自定义的布局来显示，通常android的通用布局是不能满足我们的需求
// 可以手工创建一个View视图，也可以inflate填充一个XML
// 从数据源中根据position 获得每一个Item的值，填充到指定的XML布局中
// View convertView 是一个旧的布局，如果没有新的布局填充的时候，将使用旧的布局
// 当前的布局，会被追加到父布局中
ImageView imageView = new ImageView(context);
imageView.setImageResource(resIds[position % resIds.length]);
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
imageView.setLayoutParams(new Gallery.LayoutParams(136, 88));
imageView.setBackgroundResource(mGralleyItemBackground);
return imageView;
}
}
}package com.android.adapter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.android.myspinner.R;
public class MyAdapter {
public MyAdapter() {}
public static List<String> getData() {
List<String> list = new ArrayList<String>();
list.add("北京");
list.add("上海");
list.add("广州");
return list;
}
public static List<Map<String, Object>> getListMaps() {
List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
Map<String, Object> map1 = new HashMap<String, Object>();
map1.put("ivLogo", R.drawable.calendar);
map1.put("applicationName", "日历");
Map<String, Object> map2 = new HashMap<String, Object>();
map2.put("ivLogo", R.drawable.eoemarket);
map2.put("applicationName", "eoemarket客户端");
list.add(map1);
list.add(map2);
return list;
}
}spinner = (Spinner) this.findViewById(R.id.spinner);
List<String> list = MyAdapter.getData();
ArrayAdapter<String> adapter = new ArrayAdapter<String>(Main.this,
android.R.layout.simple_spinner_item, list);
spinner.setAdapter(adapter);
spinner2 = (Spinner) this.findViewById(R.id.spinner2);
// List<Map<String,Object>>
List<Map<String, Object>> listmaps = MyAdapter.getListMaps();
SimpleAdapter simpleAdapter = new SimpleAdapter(Main.this, listmaps,
R.layout.item, new String[] { "ivLogo", "applicationName" },
new int[] { R.id.imageview, R.id.textview });
spinner2.setAdapter(simpleAdapter);
spinner2.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
// TODO Auto-generated method stub
String appName = ((Map<String, Object>) spinner2
.getItemAtPosition(position)).get("applicationName")
.toString();
setTitle(appName);
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:orientation="vertical">
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content" android:orientation="horizontal">
<TextView android:id="@+id/pname" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:layout_marginLeft="3dp"
android:layout_weight="1" android:textSize="15sp" android:text="产品名称" />
<TextView android:id="@+id/price" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:layout_marginLeft="3dp"
android:layout_weight="1" android:textSize="15sp" android:text="产品价格" />
<TextView android:id="@+id/address" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:layout_marginLeft="3dp"
android:layout_weight="1" android:textSize="15sp" android:text="产品产地" />
</LinearLayout>
<ListView android:layout_width="wrap_content"
android:layout_height="wrap_content" android:id="@+id/listview" />
</LinearLayout>package com.android.android_listview;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class MyDataSource {
public MyDataSource() {}
public static List<Map<String, String>> getMaps() {
List<Map<String, String>> listMaps = new ArrayList<Map<String,String>>();
Map<String, String> map1 = new HashMap<String, String>();
map1.put("pname", "西瓜");
map1.put("price", "$2.30");
map1.put("address", "广西");
Map<String, String> map2 = new HashMap<String, String>();
map2.put("pname", "香蕉");
map2.put("price", "$9.30");
map2.put("address", "浙江");
Map<String, String> map3 = new HashMap<String, String>();
map3.put("pname", "苹果");
map3.put("price", "$99.99");
map3.put("address", "USA");
listMaps.add(map1);
listMaps.add(map2);
listMaps.add(map3);
return listMaps;
}
}package com.android.android_listview;
import java.util.List;
import java.util.Map;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.ListView;
import android.widget.SimpleAdapter;
public class MainActivity extends Activity {
private ListView listView;
private SimpleAdapter adapter;
private List<Map<String, String>> data = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView = (ListView) this.findViewById(R.id.listview);
data = MyDataSource.getMaps();
adapter = new SimpleAdapter(MainActivity.this, data,
R.layout.activity_main, new String[] { "pname", "price",
"address" }, new int[] { R.id.pname, R.id.price,
R.id.address });
listView.setAdapter(adapter);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}原文：http://blog.csdn.net/fu222cs98/article/details/19642101