Android常用控件总结

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Android常用控件总结

1.Button：按钮单击事件

Button button = (Button) this.findViewById(R.id.imageButton);

// 设置图片按钮的背景

button.setBackgroundResource(R.drawable.icon01);

//设置背景颜色

//b.setBackgroundColor(color);

//b.setText(text);

// setOnClickListener() - 响应图片按钮的鼠标单击事件

button.setOnClickListener(new Button.OnClickListener(){

@Override

public void onClick(View v) {//单击后的效果

TextView>

txt.setText("按钮被单击了");

}

});

2.EditText：编辑框

3.TextView：显示文本

4.ImageButton：图片按钮，用法和Button相似

5.ImageView：图片显示控件

<ImageViewandroid:id="@+id/imageView"android:layout_width="wrap_content"

android:layout_height="wrap_content"></ImageView>

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.imageview);

setTitle("ImageView");

ImageView>this.findViewById(R.id.imageView);

//指定需要显示的图片

imgView.setBackgroundResource(R.drawable.icon01);

}

6.CheckBox：复选框

7.RadioButton：单选按钮

8. AnalogClock：钟表（带表盘的那种）控件

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub super.onCreate(savedInstanceState);

this.setContentView(R.layout.analogclcok)

setTitle("AnalogClock");

}

<AnalogClockandroid:id="@+id/analogClock"

android:layout_width="wrap_content"android:layout_height="wrap_content">

</AnalogClock>

9. DigitalClock电子表控件

<DigitalClockandroid:id="@+id/digitalClock"

android:layout_width="wrap_content"android:layout_height="wrap_content">

</DigitalClock>

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.digitalclcok);

setTitle("DigitalClcok");

}

10. DatePicker日期选择控件

<DatePickerandroid:id="@+id/datePicker"

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.datepicker);

//具体的应用可参见对话框中的示例

setTitle("DatePicker");

}

11. TimePicker时间选择控件

<TimePicker

android:id="@+id/timePicker"

android:layout_width="wrap_content"

android:layout_height="wrap_content">

</TimePicker>

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.timepicker);

//具体的应用可参见对话框中的示例

setTitle("TimePicker");

}

12.ToggleButton双状态按钮控件

<!-- ToggleButton -双状态按钮控件

textOn -当按钮状态为 true时所显示的文本

textOff -当按钮状态为 false时所显示的文本

-->

<ToggleButtonandroid:id="@+id/toggleButton"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textOn="关闭"android:textOff="打开"/>

setTitle("ToggleButton");

final ToggleButton btn = (ToggleButton)this.findViewById(R.id.toggleButton);

// setOnClickListener() -响应按钮的鼠标单击事件

btn.setOnClickListener(new Button.OnClickListener(){

@Override

publicvoid onClick(View v) {

TextView txt = (TextView) _ToggleButton.this.findViewById(R.id.textView);

// ToggleButton.isChecked() -双状态按钮的按钮状态

txt.setText("按钮状态：" + String.valueOf(btn.isChecked()));

}

});

13.ProgressBar进度条控件

//设置特性以允许在应用程序的标题栏上显示进度条（条状） requestWindowFeature(Window.FEATURE_PROGRESS);

//设置特性以允许在应用程序的标题栏上显示进度条（圆圈状）

requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);

this.setContentView(R.layout.progressbar);

setTitle("ProgressBar");

//在标题栏上显示进度条（条状）

setProgressBarVisibility(true);

//在标题栏上显示进度条（圆圈状）

setProgressBarIndeterminateVisibility(true);

//指定进度条的进度

setProgress(50 * 100);

setSecondaryProgress(75 * 100);

<ProgressBarandroid:id="@+android:id/progress_large"

style="?android:attr/progressBarStyleLarge"android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

<ProgressBarandroid:id="@+android:id/progress"

android:layout_width="wrap_content"android:layout_height="wrap_content"/>

<ProgressBarandroid:id="@+android:id/progress_small"

style="?android:attr/progressBarStyleSmall"android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

<!--

进度条控件（条状）的演示

style - 进度条的样式，本例使用内置样式

max - 进度的最大值

progress - 第一进度位置

secondaryProgress - 第二进度位置

-->

<ProgressBarandroid:id="@+id/progress_horizontal"

style="?android:attr/progressBarStyleHorizontal"android:layout_width="200px"

android:layout_height="wrap_content"android:max="100"

android:progress="50"android:secondaryProgress="75"/>

14.SeekBar:可拖动的进度条控件

<!--SeekBar -可拖动的进度条控件

max - 进度的最大值

progress - 第一进度位置

secondaryProgress - 第二进度位置 -->

<SeekBarandroid:id="@+id/seekBar"

android:layout_width="fill_parent"

android:layout_height="wrap_content"android:max="100"

android:progress="50"android:secondaryProgress="75"/>

<TextViewandroid:id="@+id/progress"android:layout_width="fill_parent"

android:layout_height="wrap_content"/>

<TextViewandroid:id="@+id/tracking"android:layout_width="fill_parent"

android:layout_height="wrap_content"/>

publicclass _SeekBarextends Activityimplements

SeekBar.OnSeekBarChangeListener {

SeekBar mSeekBar;

TextView mProgressText;

TextView mTrackingText;

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.seekbar);

setTitle("SeekBar");

mSeekBar = (SeekBar) findViewById(R.id.seekBar);

// setOnSeekBarChangeListener() -响应拖动进度条事件

mSeekBar.setOnSeekBarChangeListener(this);

mProgressText = (TextView) findViewById(R.id.progress);

mTrackingText = (TextView) findViewById(R.id.tracking);

}

//拖动进度条后，进度发生改变时的回调事件

publicvoid onProgressChanged(SeekBar seekBar,int progress,

boolean fromTouch) {

mProgressText.setText(progress +"%");

}

//拖动进度条前开始跟踪触摸

publicvoid onStartTrackingTouch(SeekBar seekBar) {

mTrackingText.setText("开始跟踪触摸");

}

//拖动进度条后停止跟踪触摸

publicvoid onStopTrackingTouch(SeekBar seekBar) {

mTrackingText.setText("停止跟踪触摸");

}

15.AutoCompleteTextView -支持自动完成功能的可编辑文本控件

<AutoCompleteTextView

android:id="@+id/auto_edit"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

></AutoCompleteTextView>

<Button

android:id="@+id/btnname"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="@string/auto_btnname"

></Button>

publicclass Textextends Activity {

AutoCompleteTextView autoview;

ArrayAdapter<String> adapter;

//default city

String[] city = {

"shanghai","beijing","tianjing","wuhan","sichuan"

};

@Override

publicvoid onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

intialView();

//default=2

autoview.setThreshold(1);

Button>btnname);

btn.setOnClickListener(new OnClickListener(){

@Override

publicvoid onClick(View v) {

//TODO Auto-generated method stub

String>autoview.getText().toString();

adapter.add(string);

}

});

}

publicvoid intialView(){

adapter =new ArrayAdapter<String>(this,

android.R.layout.simple_dropdown_item_1line,city);

autoview = (AutoCompleteTextView) findViewById(R.id.auto_edit);

autoview.setWidth(200);

autoview.setAdapter(adapter);

}

16.MultiAutoCompleteTextView:支持自动完成功能的可编辑文本控件

<!--MultiAutoCompleteTextView

- 支持自动完成功能的可编辑文本控件，允许输入多值（多值之间会自动地用指定的分隔符分开）

-->

<MultiAutoCompleteTextViewandroid:id="@+id/editText"

android:layout_width="fill_parent"

android:layout_height="wrap_content"/>

publicclass _MultiAutoCompleteTextViewextends Activity {

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.multiautocompletetextview);

setTitle("MultiAutoCompleteTextView");

//实例化适配器，指定显示格式及数据源

ArrayAdapter<String>>new ArrayAdapter<String>(

this,

android.R.layout.simple_dropdown_item_1line,

ary);

MultiAutoCompleteTextView>editText);

textView.setAdapter(adapter);

//设置多个值之间的分隔符，此处为逗号

textView.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());

}

//自动完成控件的所需数据的数据源

private String[]ary =new String[] {

"abc","abcd","abcde","abcdef","abcdefg",

"hij","hijk","hijkl","hijklm","hijklmn", };

}

17.ZoomControls：放大/缩小按钮控件

<ZoomControlsandroid:id="@+id/zoomControls"

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

publicclass _ZoomControlsextends Activity {

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.zoomcontrols);

setTitle("ZoomControls");

ZoomControls>this.findViewById(R.id.zoomControls);

// setOnZoomInClickListener() -响应单击放大按钮的事件

zoomControls.setOnZoomInClickListener(new OnClickListener() {

publicvoid onClick(View v) {

Toast.makeText(_ZoomControls.this,"单击了放大按钮", Toast.LENGTH_SHORT).show();

}

});

// setOnZoomOutClickListener() -响应单击缩小按钮的事件

zoomControls.setOnZoomOutClickListener(new OnClickListener() {

publicvoid onClick(View v) {

Toast.makeText(_ZoomControls.this,"单击了缩小按钮", Toast.LENGTH_SHORT).show();

}

});

}}

18.Include将指定的 layout整合进来

<!--

include - 将指定的 layout整合进来

layout - 指定需要整合 layout（include_2.xml文件）

-->

<includeandroid:id="@+id/cell1"layout="@layout/include_1"/>

<includeandroid:id="@+id/cell2"

android:layout_width="fill_parent"

layout="@layout/include_2"/>

this.setContentView(R.layout.include);

19. VideoView：视频播放控件

<VideoViewandroid:id="@+id/videoView" android:layout_width="wrap_content"

android:layout_height="wrap_content"> </VideoView>

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.videoview);

setTitle("VideoView");

VideoView>videoView);

//指定需要播放的视频的地址 videoView.setVideoURI(Uri.parse("android.resource://com.webabcd.view/" + R.raw.demo));

// videoView.setVideoPath();

//设置播放器的控制条

videoView.setMediaController(new MediaController(this));

//开始播放视频

videoView.start();

}

20.WebView浏览器控件

<WebViewandroid:layout_width="fill_parent"

android:layout_height="wrap_content"android:id="@+id/webView"/>

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.webview);

setTitle("WebView");

WebView>webView);

//配置浏览器，使其可支持 JavaScript

WebSettings>

webSettings.setJavaScriptEnabled(true);

//清除浏览器缓存

webView.clearCache(true);

//指定浏览器需要解析的url 地址

webView.loadUrl("http://webabcd.cnblogs.com/");

//指定浏览器需要解析的html 数据

// webView.loadData("<ahref='http://webabcd.cnblogs.com/'>webabcd</a>", "text/html", "utf-8");

}

21.RatingBar评分控件

<!--RatingBar -评分控件

numStars - 评分控件的星星的数量

rating - 当前评分的值-->

<RatingBarandroid:id="@+id/ratingBar"android:numStars="5"android:rating="1.5"

android:layout_width="wrap_content"android:layout_height="wrap_content" />

<TextViewandroid:id="@+id/textView"

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

publicclass _RatingBarextends Activityimplements RatingBar.OnRatingBarChangeListener {

private RatingBarmRatingBar;

private TextViewmTextView;

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.ratingbar);

setTitle("RatingBar");

mTextView = (TextView) findViewById(R.id.textView);

mRatingBar = (RatingBar) findViewById(R.id.ratingBar);

// setOnRatingBarChangeListener() -响应评分值发生改变的事件

mRatingBar.setOnRatingBarChangeListener(this);

}

@Override

publicvoid onRatingChanged(RatingBar ratingBar,float rating,

boolean fromUser) {

mTextView.setText(String.valueOf(rating));

}

21.Tab：选项卡：三种实现方式

publicclass MainTestextends TabActivity {

@Override

publicvoid onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

final TabHost tabHost = getTabHost(); tabHost.addTab(tabHost.newTabSpec("tab1").setIndicator("SMS")

.setContent(new Intent(this, SMSTest.class)));

tabHost.addTab(tabHost.newTabSpec("tab2").setIndicator("联系人").setContent(new Intent(this, LinkManTest.class)));

tabHost.addTab(tabHost.newTabSpec("tab3").setIndicator("个人信息").setContent(new Intent(this, InfoTest.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)));

}

publicclass Tabs2extends TabActivityimplements TabHost.TabContentFactory {

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

final TabHost tabHost = getTabHost();

tabHost.addTab(tabHost.newTabSpec("tab1")

.setIndicator("tab1", getResources().getDrawable(R.drawable.star_big_on))

.setContent(this));

tabHost.addTab(tabHost.newTabSpec("tab2")

.setIndicator("tab2")

.setContent(this));

tabHost.addTab(tabHost.newTabSpec("tab3")

.setIndicator("tab3")

.setContent(this));

}

/**{@inheritDoc} */

public View createTabContent(String tag) {

final TextView tv =new TextView(this);

tv.setText("Content for tab with tag " + tag);

return tv;

}

publicclass Tabs1extends TabActivity {

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

TabHost>

LayoutInflater.from(this).inflate(R.layout.tabs1, tabHost.getTabContentView(), true);

tabHost.addTab(tabHost.newTabSpec("tab1")

.setIndicator("tab1")

.setContent(R.id.view1));

tabHost.addTab(tabHost.newTabSpec("tab3")

.setIndicator("tab2")

.setContent(R.id.view2));

tabHost.addTab(tabHost.newTabSpec("tab3")

.setIndicator("tab3")

.setContent(R.id.view3));

}

22.Spinner-下拉框控件与setDropDownViewResource

<Spinnerandroid:id="@+id/spinner"

android:layout_width="fill_parent"

android:layout_height="wrap_content"/>

publicclass _Spinnerextends Activity {

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.spinner);

setTitle("Spinner");

Spinner>spinner);

//设置下拉框控件的标题文本

spinner.setPrompt("请选择");

//实例化适配器，指定显示格式及数据源

ArrayAdapter<CharSequence>>createFromResource(

this, R.array.colors, android.R.layout.simple_spinner_item);

adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

spinner.setAdapter(adapter);

// setOnItemSelectedListener() -响应下拉框的选中值发生变化的事件

spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

@Override

publicvoid onItemSelected(AdapterView<?> arg0, View arg1,

int arg2,long arg3) {

TextView>this.findViewById(R.id.textView);

textView.setText(((TextView)arg1).getText());

}

@Override

publicvoid onNothingSelected(AdapterView<?> arg0) {

}

});

}}

23.Chronometer计时器控件

<Chronometerandroid:id="@+id/chronometer"

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

<Buttonandroid:id="@+id/btnStart"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="开始计时">

<Buttonandroid:id="@+id/btnStop"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="停止计时"/>

<Buttonandroid:id="@+id/btnReset"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="计时器复位"/>

publicclass _Chronometerextends Activity {

private ChronometermChronometer;

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.chronometer);

setTitle("Chronometer");

Button button;

mChronometer = (Chronometer) findViewById(R.id.chronometer);

//设置计时器所显示的时间格式

mChronometer.setFormat("计时：(%s)");

button = (Button) findViewById(R.id.btnStart);

button.setOnClickListener(mStartListener);

button = (Button) findViewById(R.id.btnStop);

button.setOnClickListener(mStopListener);

button = (Button) findViewById(R.id.btnReset);

button.setOnClickListener(mResetListener);

}

View.OnClickListener mStartListener =new OnClickListener() {

publicvoid onClick(View v) {

//启动计时器

mChronometer.start();

}

};

View.OnClickListener mStopListener =new OnClickListener() {

publicvoid onClick(View v) {

//暂停计时器

mChronometer.stop();

}

};

View.OnClickListener mResetListener =new OnClickListener() {

publicvoid onClick(View v) {

//复位计时器，即停止计时器

mChronometer.setBase(SystemClock.elapsedRealtime());

}

};}

24.ScrollView滚动条控件

<ScrollViewandroid:id="@+id/scrollView"

android:layout_width="fill_parent"

android:layout_height="100px"

android:scrollbarStyle="outsideOverlay"

android:background="@android:drawable/edit_text">

<TextViewandroid:layout_width="fill_parent"

android:layout_height="wrap_content"android:id="@+id/textView"/>

</ScrollView>

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.scrollview);

setTitle("ScrollView");

TextView textView = (TextView)this.findViewById(R.id.textView);

textView.setText("a\na\na\na\na\na\na\na\na\na\na\na\na"

+"\na\na\na\na\na\na\na\na\na\na\na\na\na\na\na\na");

}

25.TextSwitcher-文字转换器控件

<Buttonandroid:id="@+id/btnChange"android:layout_width="wrap_content" android:layout_height="wrap_content"android:text="改变文字"/>

<TextSwitcherndroid:id="@+id/textSwitcher"

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

publicclass _TextSwitcherextends Activityimplements ViewSwitcher.ViewFactory {

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.textswithcer);

setTitle("TextSwithcer");

final TextSwitcher switcher = (TextSwitcher) findViewById(R.id.textSwitcher);

//指定转换器的 ViewSwitcher.ViewFactory

switcher.setFactory(this);

//设置淡入和淡出的动画效果

Animation>loadAnimation(this, android.R.anim.fade_in);

Animation>loadAnimation(this, android.R.anim.fade_out);

switcher.setInAnimation(in);

switcher.setOutAnimation(out);

//单击一次按钮改变一次文字

Button>this.findViewById(R.id.btnChange);

btnChange.setOnClickListener(new View.OnClickListener() {

@Override

publicvoid onClick(View v) {

switcher.setText(String.valueOf(new Random().nextInt()));

}

});

}

//重写 ViewSwitcher.ViewFactory的 makeView()，返回一个 View

@Override

publicView makeView() {

TextView>new TextView(this);

textView.setTextSize(36);

return textView;

}

26.ListView

27.Gallery缩略图浏览器控件

<!--Gallery -缩略图浏览器控件

spacing - 缩略图列表中各个缩略图之间的间距-->

<Galleryandroid:id="@+id/gallery"android:layout_width="fill_parent"

android:layout_height="wrap_content"android:spacing="20px"/>

publicclass _Galleryextends Activity {

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.gallery);

setTitle("Gallery");

Gallery>gallery);

//为缩略图浏览器指定一个适配器

gallery.setAdapter(new ImageAdapter(this));

//响应在缩略图列表上选中某个缩略图后的事件

gallery.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

@Override

publicvoid onItemSelected(AdapterView<?> parent, View v,

intposition, long id) {

Toast.makeText(_Gallery.this, String.valueOf(position), Toast.LENGTH_SHORT).show();

}

@Override

publicvoid onNothingSelected(AdapterView<?> arg0) {

}

});

}

//继承 BaseAdapter用以实现自定义的图片适配器

publicclass ImageAdapterextends BaseAdapter {

private ContextmContext;

public ImageAdapter(Context context) {

mContext = context;

}

publicint getCount() {

returnmThumbIds.length;

}

public Object getItem(int position) {

return position;

}

publiclong getItemId(int position) {

return position;

}

public View getView(int position, View convertView, ViewGroup parent) {

ImageView>new ImageView(mContext);

image.setImageResource(mThumbIds[position]);

image.setAdjustViewBounds(true);

image.setLayoutParams(new Gallery.LayoutParams(

LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));

return image;

}

//需要显示的图片集合

private Integer[]mThumbIds = { R.drawable.icon01, R.drawable.icon02,

R.drawable.icon03, R.drawable.icon04, R.drawable.icon05 };

}

28.ImageSwitcher

<Galleryandroid:id="@+id/gallery"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:spacing="20px"/>

<!--

ImageSwitcher -

图片转换器控件（改变图片时增加一些动画效果）

-->

<ImageSwitcherandroid:id="@+id/imageSwitcher"

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

publicclass ImageSwitcherTestextends Activityimplements ViewFactory {

ImageSwitcher imageswitcher;

publicfinal Integer[]imagesstr = { R.drawable.p1, R.drawable.p2, R.drawable.p3,R.drawable.p4, R.drawable.p5 };

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

setContentView(R.layout.imageswitcher);

setTitle("ImageSwitcher");

final ImageSwitcher imgs = (ImageSwitcher) findViewById(R.id.imageSwitcher);

imgs.setFactory(this);

imgs.setInAnimation(AnimationUtils.loadAnimation(this,

android.R.anim.fade_in));

imgs.setInAnimation(AnimationUtils.loadAnimation(this,

android.R.anim.fade_out));

Gallery>gallery02);

gallery.setAdapter(new ImageAdapter(this));

gallery

.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

@Override

publicvoid onItemSelected(AdapterView<?> arg0, View arg1,

int position,long arg3) {

imgs.setImageResource(imagesstr[position]);

}

@Override

publicvoid onNothingSelected(AdapterView<?> arg0) {

//TODO Auto-generated method stub

}

});

}

@Override

public View makeView() {

//TODO Auto-generated method stub

ImageView>new ImageView(this);

image.setMinimumHeight(200);

image.setMinimumWidth(200);

image.setScaleType(ImageView.ScaleType.FIT_CENTER);

image.setLayoutParams(new ImageSwitcher.LayoutParams(

LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));

return image;

}

publicclass ImageAdapterextends BaseAdapter {

public Contextmcontext;

public ImageAdapter(Context context) {

mcontext = context;

}

@Override

publicint getCount() {

//TODO Auto-generated method stub

returnimagesstr.length;

}

@Override

public Object getItem(int position) {

//TODO Auto-generated method stub

return position;

}

@Override

publiclong getItemId(int position) {

//TODO Auto-generated method stub

return position;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

ImageView>new ImageView(mcontext);

imgv.setImageResource(imagesstr[position]);

imgv.setAdjustViewBounds(true);

imgv.setLayoutParams(new Gallery.LayoutParams(

LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));

return imgv;

}}}

29.GridView

<!--

GridView - 网格控件

numColumns="auto_fit" - 列数自适应

stretchMode - 缩放模式（stretchMode="columnWidth" -缩放与列宽大小同步）

-->

<GridViewxmlns:android="http://schemas.android.com/apk/res/android"

android:id="@+id/gridView"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:padding="10px"

android:verticalSpacing="10px"

android:horizontalSpacing="10px"

android:numColumns="auto_fit"

android:columnWidth="60px"

android:stretchMode="columnWidth"

android:gravity="center">

</GridView>

publicclass _GridViewextends Activity {

@Override

protectedvoid onCreate(Bundle savedInstanceState) {

//TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.gridview);

setTitle("GridView");

GridView>gridView);

//指定网格控件的适配器为自定义的图片适配器

gridView.setAdapter(new ImageAdapter(this));

}

//自定义的图片适配器

publicclass ImageAdapterextends BaseAdapter {

private ContextmContext;

public ImageAdapter(Context context) {

mContext = context;

}

publicint getCount() {

returnmThumbIds.length;

}

public Object getItem(int position) {

return position;

}

publiclong getItemId(int position) {

return position;

}

* 将图片放入ImageView(non-Javadoc) *

* @see android.widget.Adapter#getView(int, android.view.View,

* android.view.ViewGroup)

public View getView(int position, View convertView, ViewGroup parent) {

ImageView imageView;

if (convertView ==null) {

imageView = new ImageView(mContext);

imageView.setLayoutParams(new GridView.LayoutParams(48, 48));

imageView.setAdjustViewBounds(false);

imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);

imageView.setPadding(5, 5, 5, 5);

} else {

imageView = (ImageView) convertView;

}

imageView.setImageResource(mThumbIds[position]);

return imageView;

}

//网格控件所需图片数据的数据源

private Integer[]mThumbIds = { R.drawable.icon01, R.drawable.icon02,

R.drawable.icon03, R.drawable.icon04, R.drawable.icon05 };

}}

30.ExpandableList

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