系出名门Android(6) - 控件(View)之DatePicker, TimePicker, ToggleButton, EditText, ProgressBar

<? 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" >  
          
        <!--  
                DatePicker - 日期选择控件 
        -->  
         < DatePicker   android:id ="@+id/datePicker"  
                 android:layout_width ="wrap_content"   android:layout_height ="wrap_content" >  
         </ DatePicker >  
          
</ LinearLayout >

package  com.webabcd.view;  

import  android.app.Activity;  
import  android.os.Bundle;  

public   class  _DatePicker   extends  Activity {  

        @Override  
         protected   void  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");  
        }  
}

<? 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" >  
          
        <!--  
                TimePicker - 时间选择控件 
        -->  
         < TimePicker   android:id ="@+id/timePicker"  
                 android:layout_width ="wrap_content"   android:layout_height ="wrap_content" >  
         </ TimePicker >  
          
</ LinearLayout >

package  com.webabcd.view;  

import  android.app.Activity;  
import  android.os.Bundle;  

public   class  _TimePicker   extends  Activity {  

        @Override  
         protected   void  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");  
        }  
}

<? 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 ="fill_parent"  
                 android:layout_height ="wrap_content"   android:id ="@+id/textView"   />  
                  
        <!--     
                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 
        -->  
         < ToggleButton   android:id ="@+id/toggleButton"  
                 android:layout_width ="wrap_content"   android:layout_height ="wrap_content"  
                 android:textOn ="关闭"   android:textOff ="打开"   />  
                  
</ LinearLayout >

package  com.webabcd.view;  

import  android.app.Activity;  
import  android.os.Bundle;  
import  android.view.View;  
import  android.widget.Button;  
import  android.widget.TextView;  
import  android.widget.ToggleButton;  

public   class  _ToggleButton   extends  Activity {  

        @Override  
         protected   void  onCreate(Bundle savedInstanceState) {  
                 // TODO Auto-generated method stub 
                 super.onCreate(savedInstanceState);  
                 this.setContentView(R.layout.togglebutton);  

                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  
                         public   void  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()));  
                        }  
                });  
        }  
}

<? 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" >  
          
        <!--  
                EditText - 可编辑文本控件 
        -->  
         < EditText   android:id ="@+id/editText"   android:layout_width ="fill_parent"  
                 android:layout_height ="wrap_content" >  
         </ EditText >  
          
</ LinearLayout >

package  com.webabcd.view;  

import  android.app.Activity;  
import  android.os.Bundle;  
import  android.widget.EditText;  

public   class  _EditText   extends  Activity {  

        @Override  
         protected   void  onCreate(Bundle savedInstanceState) {  
                 // TODO Auto-generated method stub 
                 super.onCreate(savedInstanceState);  
                 this.setContentView(R.layout.edittext);  

                setTitle( "EditText");  
                  
                EditText txt = (EditText)   this.findViewById(R.id.editText);  
                txt.setText( "我可编辑");  
        }  
}

<? 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" >  

        <!--  
                ProgressBar - 进度条控件 
        -->  

        <!-- 以下分别为大、中、小的进度条控件（圆圈状）-->  
         < ProgressBar   android:id ="@+android:id/progress_large"  
                 style ="?android:attr/progressBarStyleLarge"   android:layout_width ="wrap_content"  
                 android:layout_height ="wrap_content"   />  
         < ProgressBar   android:id ="@+android:id/progress"  
                 android:layout_width ="wrap_content"   android:layout_height ="wrap_content"   />  
         < ProgressBar   android: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 
        -->  
         < ProgressBar   android: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"   />  

</ LinearLayout >

package  com.webabcd.view;  

import  android.app.Activity;  
import  android.os.Bundle;  
import  android.view.Window;  


// 另见对话框中的进度条 
public   class  _ProgressBar   extends  Activity {  

        @Override  
         protected   void  onCreate(Bundle savedInstanceState) {  
                 // TODO Auto-generated method stub 
                 super.onCreate(savedInstanceState);                  
                  
                 // 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);  
        }  
}

<? 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" >  
          
        <!--  
                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 
        -->  
         < SeekBar   android:id ="@+id/seekBar"   android:layout_width ="fill_parent"  
                 android:layout_height ="wrap_content"   android:max ="100"  
                 android:progress ="50"   android:secondaryProgress ="75"   />  

         < TextView   android:id ="@+id/progress"   android:layout_width ="fill_parent"  
                 android:layout_height ="wrap_content"   />  

         < TextView   android:id ="@+id/tracking"   android:layout_width ="fill_parent"  
                 android:layout_height ="wrap_content"   />  

</ LinearLayout >

package  com.webabcd.view;  

import  android.app.Activity;  
import  android.os.Bundle;  
import  android.widget.SeekBar;  
import  android.widget.TextView;  

public   class  _SeekBar   extends  Activity   implements  
                SeekBar.OnSeekBarChangeListener {  

        SeekBar mSeekBar;  
        TextView mProgressText;  
        TextView mTrackingText;  

        @Override  
         protected   void  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 
         public   void  onProgressChanged(SeekBar seekBar,   int  progress,  
                         boolean  fromTouch) {  
                mProgressText.setText(progress +   "%");  
        }  

         // 拖动进度条前开始跟踪触摸 
         public   void  onStartTrackingTouch(SeekBar seekBar) {  
                mTrackingText.setText( "开始跟踪触摸");  
        }  

         // 拖动进度条后停止跟踪触摸 
         public   void  onStopTrackingTouch(SeekBar seekBar) {  
                mTrackingText.setText( "停止跟踪触摸");  
        }  

}

<? 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" >  

        <!--  
                AutoCompleteTextView - 支持自动完成功能的可编辑文本控件 
        -->  
         < AutoCompleteTextView   android:id ="@+id/editText"  
                 android:layout_width ="fill_parent"   android:layout_height ="wrap_content"   />  

</ LinearLayout >

package  com.webabcd.view;  

import  android.app.Activity;  
import  android.os.Bundle;  
import  android.widget.ArrayAdapter;  
import  android.widget.AutoCompleteTextView;  

public   class  _AutoCompleteTextView   extends  Activity {  

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

                setTitle( "AutoCompleteTextView");  
                  
                 // 实例化适配器，指定显示格式及数据源 
                ArrayAdapter<String> adapter =   new  ArrayAdapter<String>(  
                                 this,  
                                android.R.layout.simple_dropdown_item_1line,    
                                ary);  
                AutoCompleteTextView textView = (AutoCompleteTextView) findViewById(R.id.editText);  
                 // 指定自动完成控件的适配器 
                textView.setAdapter(adapter);  
        }  

         // 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",  
        };  
}

<? 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" >  

        <!--  
                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） 
        -->  
         < MultiAutoCompleteTextView   android:id ="@+id/editText"  
                 android:layout_width ="fill_parent"   android:layout_height ="wrap_content"   />  

</ LinearLayout >

package  com.webabcd.view;  

import  android.app.Activity;  
import  android.os.Bundle;  
import  android.widget.ArrayAdapter;  
import  android.widget.MultiAutoCompleteTextView;  

public   class  _MultiAutoCompleteTextView   extends  Activity {  

        @Override  
         protected   void  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> adapter =   new  ArrayAdapter<String>(  
                                 this,  
                                android.R.layout.simple_dropdown_item_1line,    
                                ary);  
                MultiAutoCompleteTextView textView = (MultiAutoCompleteTextView) findViewById(R.id.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",  
        };  
}