一個Demo讓你掌握Android所有控件 原文:一個Demo讓你掌握Android所有控件

本文是轉載收藏,侵刪,出處:"安卓巴士"

?????

下面給出實現各個組件的源代碼：

1.下拉框實現--Spinner

[java] view plaincopyprint?

package?com.cellcom;??

??

import?java.util.ArrayList;??

import?java.util.List;??

??

import?android.app.Activity;??

import?android.os.Bundle;??

import?android.view.View;??

import?android.widget.AdapterView;??

import?android.widget.ArrayAdapter;??

import?android.widget.Button;??

import?android.widget.Spinner;??

??

//下拉框??

public?class?SpinnerActivity?extends?Activity?{??

??

????private?Spinner?spinner1;??

????private?Spinner?spinner2;??

????private?Button?ok;??

????private?ArrayAdapter?countiesAdapter;??

????private?String[]?mCounties={"beijing","guangdong","guangxi","hunan"};??

????private?List<String>?allCounties=new?ArrayList<String>();??

????private?String?result="你選擇的是：";??

??????

??????

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????//?TODO?Auto-generated?method?stub??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.spinner);??

??????????

????????spinner1=(Spinner)findViewById(R.id.spinner1);??

????????spinner2=(Spinner)findViewById(R.id.spinner2);??

????????ok=(Button)findViewById(R.id.ok);??

??????????

????????for(int?i=0;i<mCounties.length;i++){??

????????????allCounties.add(mCounties[i]);??

????????}??

??????????

????????countiesAdapter=new?ArrayAdapter<String>(SpinnerActivity.this,android.R.layout.simple_spinner_item,allCounties);??

????????countiesAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);??

????????spinner1.setAdapter(countiesAdapter);??

??????????

????????ArrayAdapter?adapter=ArrayAdapter.createFromResource(SpinnerActivity.this,R.array.counties,android.R.layout.simple_spinner_item);??

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

????????spinner2.setAdapter(adapter);??

??????????

????????//單擊第一個下拉按鈕時，顯示選擇的值。???

????????spinner1.setOnItemSelectedListener(new?AdapterView.OnItemSelectedListener()?{??

????????????@Override??

????????????public?void?onItemSelected(AdapterView<?>?adapter,?View?view,??

????????????????????int?position,?long?id)?{??

????????????????//?TODO?Auto-generated?method?stub??

????????????????String?str=(String)spinner1.getAdapter().getItem((int)id);??

????????????????setTitle(result+str);??

????????????}??

??

????????????@Override??

????????????public?void?onNothingSelected(AdapterView<?>?arg0)?{??

????????????????//?TODO?Auto-generated?method?stub??

??????????????????

????????????}??

????????});??

??????????

????????//單擊第二個下拉按鈕時，顯示選擇的值。???

????????spinner2.setOnItemSelectedListener(new?AdapterView.OnItemSelectedListener()?{??

????????????@Override??

????????????public?void?onItemSelected(AdapterView<?>?adapter,?View?view,??

????????????????????int?position,?long?id)?{??

????????????????String?str=(String)spinner2.getAdapter().getItem(position);??

????????????????setTitle(result+str);??

????????????}??

??

????????????@Override??

????????????public?void?onNothingSelected(AdapterView<?>?arg0)?{??

????????????}??

????????});??

??????????

??????????

??????????

????????//單擊確定按鈕，提取選擇的值.??

????????ok.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????setTitle(result+spinner1.getSelectedItem()+"??-?>>??"+spinner2.getSelectedItem());??

????????????}??

????????});??

??????????

????}??

??

}??

package com.cellcom;import java.util.ArrayList; import java.util.List;import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.Spinner;//下拉框 public class SpinnerActivity extends Activity {private Spinner spinner1;private Spinner spinner2;private Button ok;private ArrayAdapter countiesAdapter;private String[] mCounties={"beijing","guangdong","guangxi","hunan"};private List<String> allCounties=new ArrayList<String>();private String result="你選擇的是：";@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.spinner);spinner1=(Spinner)findViewById(R.id.spinner1);spinner2=(Spinner)findViewById(R.id.spinner2);ok=(Button)findViewById(R.id.ok);for(int i=0;i<mCounties.length;i++){allCounties.add(mCounties[i]);}countiesAdapter=new ArrayAdapter<String>(SpinnerActivity.this,android.R.layout.simple_spinner_item,allCounties);countiesAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);spinner1.setAdapter(countiesAdapter);ArrayAdapter adapter=ArrayAdapter.createFromResource(SpinnerActivity.this,R.array.counties,android.R.layout.simple_spinner_item);adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);spinner2.setAdapter(adapter);//單擊第一個下拉按鈕時，顯示選擇的值。 spinner1.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {@Overridepublic void onItemSelected(AdapterView<?> adapter, View view,int position, long id) {// TODO Auto-generated method stubString str=(String)spinner1.getAdapter().getItem((int)id);setTitle(result+str);}@Overridepublic void onNothingSelected(AdapterView<?> arg0) {// TODO Auto-generated method stub}});//單擊第二個下拉按鈕時，顯示選擇的值。 spinner2.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {@Overridepublic void onItemSelected(AdapterView<?> adapter, View view,int position, long id) {String str=(String)spinner2.getAdapter().getItem(position);setTitle(result+str);}@Overridepublic void onNothingSelected(AdapterView<?> arg0) {}});//單擊確定按鈕，提取選擇的值.ok.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {setTitle(result+spinner1.getSelectedItem()+" - >> "+spinner2.getSelectedItem());}});}}
2.對話框的實現--AlertDialog

[java] view plaincopyprint?

package?com.cellcom;??

??

import?android.app.Activity;??

import?android.app.AlertDialog;??

import?android.app.AlertDialog.Builder;??

import?android.app.ProgressDialog;??

import?android.content.DialogInterface;??

import?android.os.Bundle;??

import?android.view.LayoutInflater;??

import?android.view.View;??

import?android.widget.Button;??

import?android.widget.EditText;??

import?android.widget.Toast;??

??

//對話框測試??

public?class?AlertDialogActivity?extends?Activity?{??

??

????private?Button?button1;??

????private?Button?button2;??

????private?Button?button3;??

????private?Button?button4;??

??????

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.alert_dialog);??

????????setTitle("4種對話框！");??

??????????

????????button1=(Button)findViewById(R.id.button1);??

????????button2=(Button)findViewById(R.id.button2);??

????????button3=(Button)findViewById(R.id.button3);??

????????button4=(Button)findViewById(R.id.button4);??

??????????

????????//第一種對話框??

????????button1.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????Builder?builder=new?AlertDialog.Builder(AlertDialogActivity.this);??

????????????????builder.setIcon(R.drawable.alert_dialog_icon);??

????????????????builder.setTitle("哇哈哈！");??

????????????????builder.setMessage("去不去？");??

????????????????builder.setPositiveButton("確定",?new?DialogInterface.OnClickListener()?{??

????????????????????@Override??

????????????????????public?void?onClick(DialogInterface?dialog,?int?which)?{??

????????????????????????Toast.makeText(AlertDialogActivity.this,?"你選擇了確定按鈕！",?Toast.LENGTH_SHORT).show();??

????????????????????}??

????????????????});??

????????????????builder.setNegativeButton("取消",?new?DialogInterface.OnClickListener()?{??

????????????????????@Override??

????????????????????public?void?onClick(DialogInterface?dialog,?int?which)?{??

????????????????????????Toast.makeText(AlertDialogActivity.this,?"你選擇了取消按鈕！",?Toast.LENGTH_SHORT).show();??

????????????????????}??

????????????????});??

????????????????builder.show();??

????????????}??

????????});??

??????????

????????//第二種對話框??

????????button2.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????new?AlertDialog.Builder(AlertDialogActivity.this)??

????????????????.setIcon(R.drawable.alert_dialog_icon)??

????????????????.setTitle("溫馨提示")??

????????????????.setMessage("提示內容：三個按鈕")??

????????????????.setPositiveButton("確定",?new?DialogInterface.OnClickListener()?{??

????????????????????@Override??

????????????????????public?void?onClick(DialogInterface?dialog,?int?which)?{??

????????????????????????Toast.makeText(AlertDialogActivity.this,?"你選擇了確定按鈕！",?Toast.LENGTH_SHORT).show();??

????????????????????}??

????????????????})??

????????????????.setNeutralButton("詳情",?new?DialogInterface.OnClickListener()?{??

????????????????????@Override??

????????????????????public?void?onClick(DialogInterface?dialog,?int?which)?{??

????????????????????????Toast.makeText(AlertDialogActivity.this,?"你選擇了詳情按鈕！",?Toast.LENGTH_SHORT).show();??

????????????????????}??

????????????????})??

????????????????.setNegativeButton("取消",?new?DialogInterface.OnClickListener()?{??

????????????????????@Override??

????????????????????public?void?onClick(DialogInterface?dialog,?int?which)?{??

????????????????????????Toast.makeText(AlertDialogActivity.this,?"你選擇了取消按鈕！",?Toast.LENGTH_SHORT).show();??

????????????????????}??

????????????????})??

????????????????.show();??

????????????}??

????????});??

??????????

????????//第三種按鈕??

????????button3.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????LayoutInflater?inflater=LayoutInflater.from(AlertDialogActivity.this);??

????????????????final?View?textEntryView=inflater.inflate(R.layout.alert_dialog_text_entry,?null);??

??????????????????

????????????????final?EditText?usernameET=(EditText)textEntryView.findViewById(R.id.username_value);??

????????????????final?EditText?passwordET=(EditText)textEntryView.findViewById(R.id.password_value);??

????????????????//final?String?username=usernameET.getText().toString();??

??????????????????

????????????????new?AlertDialog.Builder(AlertDialogActivity.this)??

????????????????.setIcon(R.drawable.alert_dialog_icon)??

????????????????.setTitle("溫馨提醒")??

????????????????.setView(textEntryView)??

????????????????.setPositiveButton("確定",?new?DialogInterface.OnClickListener()?{??

????????????????????@Override??

????????????????????public?void?onClick(DialogInterface?dialog,?int?which)?{??

????????????????????????Toast.makeText(AlertDialogActivity.this,?"用戶名="+usernameET.getText().toString()+"\n密碼="+passwordET.getText().toString(),?Toast.LENGTH_LONG).show();??

????????????????????}??

????????????????})??

????????????????.setNegativeButton("取消",?new?DialogInterface.OnClickListener()?{??

????????????????????@Override??

????????????????????public?void?onClick(DialogInterface?dialog,?int?which)?{??

????????????????????????Toast.makeText(AlertDialogActivity.this,?"你選擇了確定取消！",?Toast.LENGTH_SHORT).show();??

????????????????????}??

????????????????})??

????????????????.show();??

????????????}??

????????});??

??????????

????????//第四種對話框??

????????button4.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????ProgressDialog?dialog=new?ProgressDialog(AlertDialogActivity.this);??

????????????????dialog.setTitle("處理中。。。");??

????????????????dialog.setMessage("請稍后。。。");??

????????????????dialog.show();??

????????????}??

????????});??

????}??

}??

package com.cellcom;import android.app.Activity; import android.app.AlertDialog; import android.app.AlertDialog.Builder; import android.app.ProgressDialog; import android.content.DialogInterface; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.Toast;//對話框測試 public class AlertDialogActivity extends Activity {private Button button1;private Button button2;private Button button3;private Button button4;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.alert_dialog);setTitle("4種對話框！");button1=(Button)findViewById(R.id.button1);button2=(Button)findViewById(R.id.button2);button3=(Button)findViewById(R.id.button3);button4=(Button)findViewById(R.id.button4);//第一種對話框button1.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Builder builder=new AlertDialog.Builder(AlertDialogActivity.this);builder.setIcon(R.drawable.alert_dialog_icon);builder.setTitle("哇哈哈！");builder.setMessage("去不去？");builder.setPositiveButton("確定", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, "你選擇了確定按鈕！", Toast.LENGTH_SHORT).show();}});builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, "你選擇了取消按鈕！", Toast.LENGTH_SHORT).show();}});builder.show();}});//第二種對話框button2.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {new AlertDialog.Builder(AlertDialogActivity.this).setIcon(R.drawable.alert_dialog_icon).setTitle("溫馨提示").setMessage("提示內容：三個按鈕").setPositiveButton("確定", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, "你選擇了確定按鈕！", Toast.LENGTH_SHORT).show();}}).setNeutralButton("詳情", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, "你選擇了詳情按鈕！", Toast.LENGTH_SHORT).show();}}).setNegativeButton("取消", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, "你選擇了取消按鈕！", Toast.LENGTH_SHORT).show();}}).show();}});//第三種按鈕button3.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {LayoutInflater inflater=LayoutInflater.from(AlertDialogActivity.this);final View textEntryView=inflater.inflate(R.layout.alert_dialog_text_entry, null);final EditText usernameET=(EditText)textEntryView.findViewById(R.id.username_value);final EditText passwordET=(EditText)textEntryView.findViewById(R.id.password_value);//final String username=usernameET.getText().toString();new AlertDialog.Builder(AlertDialogActivity.this).setIcon(R.drawable.alert_dialog_icon).setTitle("溫馨提醒").setView(textEntryView).setPositiveButton("確定", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, "用戶名="+usernameET.getText().toString()+"\n密碼="+passwordET.getText().toString(), Toast.LENGTH_LONG).show();}}).setNegativeButton("取消", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, "你選擇了確定取消！", Toast.LENGTH_SHORT).show();}}).show();}});//第四種對話框button4.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {ProgressDialog dialog=new ProgressDialog(AlertDialogActivity.this);dialog.setTitle("處理中。。。");dialog.setMessage("請稍后。。。");dialog.show();}});} }
3.自動提示框的實現--AutoCompleteTextView

[java] view plaincopyprint?

package?com.cellcom;??

??

import?android.app.Activity;??

import?android.os.Bundle;??

import?android.view.View;??

import?android.widget.ArrayAdapter;??

import?android.widget.AutoCompleteTextView;??

import?android.widget.Button;??

??

//自動提示框??

public?class?AutoCompleteTextViewActivity?extends?Activity?{??

??

????private?AutoCompleteTextView?autoComplete;??

????private?Button?cleanButton;??

????static?final?String[]?COUNTRIES?=?new?String[]?{??

????????"China"?,"Russia",?"Germany",??

????????"Ukraine",?"Belarus",?"USA"?,"China1"?,"China12",?"Germany",??

????????"Russia2",?"Belarus",?"USA"?,"UAA","UBC","UBB","CCC","BBB","廣州1","廣州2","廣州3","廣州4","廣東1","廣東2","廣東3",??

????????};??

??????

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????//?TODO?Auto-generated?method?stub??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.auto_complete_text_view);??

????????setTitle("AutoCompleteTextView示例！");??

????????autoComplete=(AutoCompleteTextView)findViewById(R.id.auto_complete);??

????????cleanButton=(Button)findViewById(R.id.cleanButton);??

??????????

????????ArrayAdapter<String>?adapter=new?ArrayAdapter<String>(AutoCompleteTextViewActivity.this,android.R.layout.simple_dropdown_item_1line,COUNTRIES);??

????????autoComplete.setAdapter(adapter);??

??????????

????????//清空??

????????cleanButton.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????autoComplete.setText("");??

????????????}??

????????});??

????}??

??????

}??

package com.cellcom;import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.ArrayAdapter; import android.widget.AutoCompleteTextView; import android.widget.Button;//自動提示框 public class AutoCompleteTextViewActivity extends Activity {private AutoCompleteTextView autoComplete;private Button cleanButton;static final String[] COUNTRIES = new String[] {"China" ,"Russia", "Germany","Ukraine", "Belarus", "USA" ,"China1" ,"China12", "Germany","Russia2", "Belarus", "USA" ,"UAA","UBC","UBB","CCC","BBB","廣州1","廣州2","廣州3","廣州4","廣東1","廣東2","廣東3",};@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.auto_complete_text_view);setTitle("AutoCompleteTextView示例！");autoComplete=(AutoCompleteTextView)findViewById(R.id.auto_complete);cleanButton=(Button)findViewById(R.id.cleanButton);ArrayAdapter<String> adapter=new ArrayAdapter<String>(AutoCompleteTextViewActivity.this,android.R.layout.simple_dropdown_item_1line,COUNTRIES);autoComplete.setAdapter(adapter);//清空cleanButton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {autoComplete.setText("");}});}}
4.Activity之間傳遞數據--Bundle

[java] view plaincopyprint?

package?com.cellcom;??

??

import?android.app.Activity;??

import?android.content.Intent;??

import?android.os.Bundle;??

import?android.view.View;??

import?android.widget.Button;??

import?android.widget.EditText;??

import?android.widget.RadioButton;??

??

/**?

?*?@author?nwang?

?*??

?*?輸入身高和選擇性別，計算標準體重。并把數據返回到原來Activity?

?*/??

public?class?Bundle1Activity?extends?Activity?{??

??

????private?int?my_requestCode=1550;??

????private?RadioButton?sexMan;??

????private?RadioButton?sexWoman;??

????private?EditText?heightEdit;??

????private?Button?okButton;??

??????

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

??????????

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.bundle1);??

??????????

????????sexMan=(RadioButton)findViewById(R.id.sex_man);??

????????sexWoman=(RadioButton)findViewById(R.id.sex_woman);??

????????heightEdit=(EditText)findViewById(R.id.height_edit);??

????????okButton=(Button)findViewById(R.id.button_ok);??

??????????

????????okButton.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????double?height=Double.parseDouble(heightEdit.getText().toString());??

????????????????String?sex="";??

????????????????if(sexMan.isChecked()){??

????????????????????sex="M";??

????????????????}else{??

????????????????????sex="F";??

????????????????}??

??????????????????

????????????????Intent?intent=new?Intent();??

????????????????intent.setClass(Bundle1Activity.this,?Bundle2Activity.class);??

????????????????//封裝數據??

????????????????Bundle?bundle=new?Bundle();??

????????????????bundle.putDouble("height",?height);??

????????????????bundle.putString("sex",?sex);??

????????????????intent.putExtras(bundle);??

????????????????startActivityForResult(intent,?my_requestCode);??

????????????}??

????????});??

????}??

??????

????//回調方法??

????@Override??

????protected?void?onActivityResult(int?requestCode,?int?resultCode,?Intent?data)?{??

????????super.onActivityResult(requestCode,?resultCode,?data);??

??????????

????????switch?(requestCode)?{??

????????case?RESULT_OK:??

????????????//RESULT_OK表示返回成功，提取數據。??

????????????Bundle?bundle=data.getExtras();??

????????????String?sex=bundle.getString("sex");??

????????????double?height=bundle.getDouble("height");??

????????????heightEdit.setText(String.valueOf(height));??

????????????if(sex.equals("M")){??

????????????????sexMan.setChecked(true);??

????????????}else{??

????????????????sexWoman.setChecked(true);??

????????????}??

????????????break;??

??

????????default:??

????????????break;??

????????}??

????}??

??????

}??

package com.cellcom;import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.RadioButton;/*** @author nwang* * 輸入身高和選擇性別，計算標準體重。并把數據返回到原來Activity*/ public class Bundle1Activity extends Activity {private int my_requestCode=1550;private RadioButton sexMan;private RadioButton sexWoman;private EditText heightEdit;private Button okButton;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.bundle1);sexMan=(RadioButton)findViewById(R.id.sex_man);sexWoman=(RadioButton)findViewById(R.id.sex_woman);heightEdit=(EditText)findViewById(R.id.height_edit);okButton=(Button)findViewById(R.id.button_ok);okButton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {double height=Double.parseDouble(heightEdit.getText().toString());String sex="";if(sexMan.isChecked()){sex="M";}else{sex="F";}Intent intent=new Intent();intent.setClass(Bundle1Activity.this, Bundle2Activity.class);//封裝數據Bundle bundle=new Bundle();bundle.putDouble("height", height);bundle.putString("sex", sex);intent.putExtras(bundle);startActivityForResult(intent, my_requestCode);}});}//回調方法@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {super.onActivityResult(requestCode, resultCode, data);switch (requestCode) {case RESULT_OK://RESULT_OK表示返回成功，提取數據。Bundle bundle=data.getExtras();String sex=bundle.getString("sex");double height=bundle.getDouble("height");heightEdit.setText(String.valueOf(height));if(sex.equals("M")){sexMan.setChecked(true);}else{sexWoman.setChecked(true);}break;default:break;}}}
[java] view plaincopyprint?

package?com.cellcom;??

??

import?java.text.DecimalFormat;??

import?java.text.NumberFormat;??

??

import?android.app.Activity;??

import?android.content.Intent;??

import?android.os.Bundle;??

import?android.view.View;??

import?android.widget.Button;??

import?android.widget.TextView;??

??

public?class?Bundle2Activity?extends?Activity{??

??

????private?TextView?result;??

????private?Button?backButton;??

????Intent?intent=null;??

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????//?TODO?Auto-generated?method?stub??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.bundle2);??

????????result=(TextView)findViewById(R.id.result);??

????????backButton=(Button)findViewById(R.id.button_back);??

??????????

????????intent=this.getIntent();??

????????Bundle?bundle=intent.getExtras();??

????????double?height=bundle.getDouble("height");??

????????String?sex=bundle.getString("sex");??

????????String?sexStr="";??

????????if("M".equals(sex)){??

????????????sexStr="男性";??

????????}else{??

????????????sexStr="女性";??

????????}??

????????String?weight=this.getWeight(sex,?height);??

????????result.setText("你是一位："+sexStr+"\n身高是："+height+"厘米?\n你的標準體重："+weight+"公斤");??

??????????

????????//返回上一頁??

????????backButton.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????Bundle2Activity.this.setResult(RESULT_OK,?intent);????

????????????????Bundle2Activity.this.finish();??

????????????}??

????????});??

????}??

??????

????public?String?getWeight(String?sex,double?height){??

????????String?weight="";??

????????if("M".endsWith(sex)){??

????????????weight=format((height-80)*0.7);??

????????}else{??

????????????weight=format((height-70)*0.6);??

????????}??

????????return?weight;??

????}??

??????

????public?String?format(double?num){??

????????NumberFormat?formatter=new?DecimalFormat("0.00");??

????????String?s=formatter.format(num);??

????????return?s;??

????}??

}??

package com.cellcom;import java.text.DecimalFormat; import java.text.NumberFormat;import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView;public class Bundle2Activity extends Activity{private TextView result;private Button backButton;Intent intent=null;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.bundle2);result=(TextView)findViewById(R.id.result);backButton=(Button)findViewById(R.id.button_back);intent=this.getIntent();Bundle bundle=intent.getExtras();double height=bundle.getDouble("height");String sex=bundle.getString("sex");String sexStr="";if("M".equals(sex)){sexStr="男性";}else{sexStr="女性";}String weight=this.getWeight(sex, height);result.setText("你是一位："+sexStr+"\n身高是："+height+"厘米 \n你的標準體重："+weight+"公斤");//返回上一頁backButton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Bundle2Activity.this.setResult(RESULT_OK, intent); Bundle2Activity.this.finish();}});}public String getWeight(String sex,double height){String weight="";if("M".endsWith(sex)){weight=format((height-80)*0.7);}else{weight=format((height-70)*0.6);}return weight;}public String format(double num){NumberFormat formatter=new DecimalFormat("0.00");String s=formatter.format(num);return s;} }
5.復選框--CheckBox

[java] view plaincopyprint?

package?com.cellcom;??

??

import?android.app.Activity;??

import?android.os.Bundle;??

import?android.view.View;??

import?android.widget.Button;??

import?android.widget.CheckBox;??

??

public?class?CheckBoxActivity?extends?Activity?{??

??

????private?CheckBox?plainCB;??

????private?CheckBox?serifCB;??

????private?CheckBox?boldCB;??

????private?CheckBox?italicCB;??

????private?Button?button1;??

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????//?TODO?Auto-generated?method?stub??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.check_box);??

??????????

????????plainCB=(CheckBox)findViewById(R.id.plain_cb);??

????????serifCB=(CheckBox)findViewById(R.id.serif_cb);??

????????boldCB=(CheckBox)findViewById(R.id.bold_cb);??

????????italicCB=(CheckBox)findViewById(R.id.italic_cb);??

????????button1=(Button)findViewById(R.id.button1);??

??????????

????????button1.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????String?result="";??

????????????????if(plainCB.isChecked()){??

????????????????????result+=plainCB.getText()+"、";??

????????????????}??

????????????????if(serifCB.isChecked()){??

????????????????????result+=serifCB.getText()+"、";??

????????????????}??

????????????????if(boldCB.isChecked()){??

????????????????????result+=boldCB.getText()+"、";??

????????????????}??

????????????????if(italicCB.isChecked()){??

????????????????????result+=italicCB.getText()+"、";??

????????????????}??

????????????????if(!"".equals(result)){??

????????????????????result=result.substring(0,result.length()-1);??

????????????????}else{??

????????????????????result="你沒有選擇！！！";??

????????????????}??

????????????????setTitle("Checked:"+result);??

????????????}??

????????});??

??????????

????}??

??

}??

package com.cellcom;import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.CheckBox;public class CheckBoxActivity extends Activity {private CheckBox plainCB;private CheckBox serifCB;private CheckBox boldCB;private CheckBox italicCB;private Button button1;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.check_box);plainCB=(CheckBox)findViewById(R.id.plain_cb);serifCB=(CheckBox)findViewById(R.id.serif_cb);boldCB=(CheckBox)findViewById(R.id.bold_cb);italicCB=(CheckBox)findViewById(R.id.italic_cb);button1=(Button)findViewById(R.id.button1);button1.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {String result="";if(plainCB.isChecked()){result+=plainCB.getText()+"、";}if(serifCB.isChecked()){result+=serifCB.getText()+"、";}if(boldCB.isChecked()){result+=boldCB.getText()+"、";}if(italicCB.isChecked()){result+=italicCB.getText()+"、";}if(!"".equals(result)){result=result.substring(0,result.length()-1);}else{result="你沒有選擇！！！";}setTitle("Checked:"+result);}});}}
6.菜單的實現--Menu

[java] view plaincopyprint?

package?com.cellcom;??

??

import?android.app.Activity;??

import?android.graphics.Color;??

import?android.os.Bundle;??

import?android.view.ContextMenu;??

import?android.view.Menu;??

import?android.view.MenuItem;??

import?android.view.View;??

import?android.view.ContextMenu.ContextMenuInfo;??

import?android.widget.TextView;??

??

public?class?ContextMenuActivity?extends?Activity?{??

??

????private?final?static?int?ITEM0=Menu.FIRST;??

????private?final?static?int?ITEM1=Menu.FIRST+1;??

????private?final?static?int?ITEM2=Menu.FIRST+2;??

????private?TextView?tv;??

??????

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????//?TODO?Auto-generated?method?stub??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.context_menu);??

????????setTitle("單擊Menu鍵看到效果！");??

????????tv=(TextView)findViewById(R.id.tv1);??

??????????

????????this.registerForContextMenu(tv);//將上下文注冊到TextView??

????}??

??????

????@Override??

????public?void?onCreateContextMenu(ContextMenu?menu,?View?v,??

????????????ContextMenuInfo?menuInfo)?{??

????????menu.add(0,?ITEM0,?0,?"紅色背景");??

????????menu.add(0,ITEM1,0,"綠色背景");??

????????menu.add(0,ITEM2,0,"白色背景");??

??????????

????}??

??????

????@Override??

????public?boolean?onContextItemSelected(MenuItem?item)?{??

????????switch?(item.getItemId())?{??

????????case?ITEM0:??

????????????tv.setTextColor(Color.RED);??

????????????break;??

????????case?ITEM1:??

????????????tv.setTextColor(Color.GREEN);??

????????????break;??

????????case?ITEM2:??

????????????tv.setTextColor(Color.WHITE);??

????????????break;??

????????default:??

????????????break;??

????????}??

????????return?true;??

????}??

??????

}??

package com.cellcom;import android.app.Activity; import android.graphics.Color; import android.os.Bundle; import android.view.ContextMenu; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ContextMenu.ContextMenuInfo; import android.widget.TextView;public class ContextMenuActivity extends Activity {private final static int ITEM0=Menu.FIRST;private final static int ITEM1=Menu.FIRST+1;private final static int ITEM2=Menu.FIRST+2;private TextView tv;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.context_menu);setTitle("單擊Menu鍵看到效果！");tv=(TextView)findViewById(R.id.tv1);this.registerForContextMenu(tv);//將上下文注冊到TextView}@Overridepublic void onCreateContextMenu(ContextMenu menu, View v,ContextMenuInfo menuInfo) {menu.add(0, ITEM0, 0, "紅色背景");menu.add(0,ITEM1,0,"綠色背景");menu.add(0,ITEM2,0,"白色背景");}@Overridepublic boolean onContextItemSelected(MenuItem item) {switch (item.getItemId()) {case ITEM0:tv.setTextColor(Color.RED);break;case ITEM1:tv.setTextColor(Color.GREEN);break;case ITEM2:tv.setTextColor(Color.WHITE);break;default:break;}return true;}}
7.日期選擇器--DataTimePicker

[java] view plaincopyprint?

package?com.cellcom;??

??

import?java.text.SimpleDateFormat;??

import?java.util.Date;??

??

import?android.app.Activity;??

import?android.os.Bundle;??

import?android.view.View;??

import?android.widget.Button;??

import?android.widget.DatePicker;??

import?android.widget.TimePicker;??

??

//DatePicker日期選擇器、TimePicker時間選擇器?使用??

public?class?DatePickerActivity?extends?Activity?{??

??

????private?Button?datePickerButton;??

????private?DatePicker?datePicker1;??

????private?TimePicker?timePicker1;??

??????

????//默認生成系統當前時間??

????SimpleDateFormat?sdf=new?SimpleDateFormat("yyyy-MM-dd?HH:mm");????????

????String?str=sdf.format(new?Date());??

????int?year=Integer.parseInt(str.substring(0,?4));??

????int?month=Integer.parseInt(str.substring(5,7))-1;??

????int?day=Integer.parseInt(str.substring(8,10));??

????int?hour=Integer.parseInt(str.substring(11,13));??

????int?minute=Integer.parseInt(str.substring(14,16));??

??????

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????//?TODO?Auto-generated?method?stub??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.date_picker);??

????????setTitle("DatePicker、TimePicker示例!");??

??????????

????????datePicker1=(DatePicker)findViewById(R.id.datePicker1);??

????????timePicker1=(TimePicker)findViewById(R.id.timePicker1);??

????????datePickerButton=(Button)findViewById(R.id.datePickerButton1);??

??

????????datePicker1.init(year,month,day,?null);??

??????????

????????timePicker1.setCurrentHour(hour);??

????????timePicker1.setCurrentMinute(minute);??

??????????

????????timePicker1.setIs24HourView(true);??

??????????

????????datePickerButton.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????setTitle("你選擇的是："+datePicker1.getYear()+"年"+datePicker1.getMonth()+"月"+datePicker1.getDayOfMonth()+"日?"+timePicker1.getCurrentHour()+"小時"+timePicker1.getCurrentMinute()+"分");??

????????????}??

????????});??

????}??

??

}??

package com.cellcom;import java.text.SimpleDateFormat; import java.util.Date;import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.DatePicker; import android.widget.TimePicker;//DatePicker日期選擇器、TimePicker時間選擇器 使用 public class DatePickerActivity extends Activity {private Button datePickerButton;private DatePicker datePicker1;private TimePicker timePicker1;//默認生成系統當前時間SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm"); String str=sdf.format(new Date());int year=Integer.parseInt(str.substring(0, 4));int month=Integer.parseInt(str.substring(5,7))-1;int day=Integer.parseInt(str.substring(8,10));int hour=Integer.parseInt(str.substring(11,13));int minute=Integer.parseInt(str.substring(14,16));@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.date_picker);setTitle("DatePicker、TimePicker示例!");datePicker1=(DatePicker)findViewById(R.id.datePicker1);timePicker1=(TimePicker)findViewById(R.id.timePicker1);datePickerButton=(Button)findViewById(R.id.datePickerButton1);datePicker1.init(year,month,day, null);timePicker1.setCurrentHour(hour);timePicker1.setCurrentMinute(minute);timePicker1.setIs24HourView(true);datePickerButton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {setTitle("你選擇的是："+datePicker1.getYear()+"年"+datePicker1.getMonth()+"月"+datePicker1.getDayOfMonth()+"日 "+timePicker1.getCurrentHour()+"小時"+timePicker1.getCurrentMinute()+"分");}});}}
8.網格視圖控件--GridView

[java] view plaincopyprint?

package?com.cellcom;??

??

import?android.app.Activity;??

import?android.content.Context;??

import?android.os.Bundle;??

import?android.view.View;??

import?android.view.ViewGroup;??

import?android.widget.BaseAdapter;??

import?android.widget.GridView;??

import?android.widget.ImageView;??

??

//網絡視圖控件??

public?class?GridViewActivity?extends?Activity?{??

??

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????//?TODO?Auto-generated?method?stub??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.grid_view);??

????????setTitle("網絡視圖控件GridView！");??

??????????

????????GridView?gridView=(GridView)findViewById(R.id.grid_view);??

????????gridView.setAdapter(new?ImageAdapter(this));??

??????????

????}??

??????

????public?class?ImageAdapter?extends?BaseAdapter{??

??

????????private?Context?mContext;??

????????public?ImageAdapter(Context?context){??

????????????mContext=context;??

????????}??

????????@Override??

????????public?int?getCount()?{??

????????????//?TODO?Auto-generated?method?stub??

????????????return?mImageIds.length;??

????????}??

??

????????@Override??

????????public?Object?getItem(int?position)?{??

????????????//?TODO?Auto-generated?method?stub??

????????????return?null;??

????????}??

??

????????@Override??

????????public?long?getItemId(int?position)?{??

????????????//?TODO?Auto-generated?method?stub??

????????????return?0;??

????????}??

??

????????@Override??

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

????????????ImageView?imageView;??

????????????if(convertView==null){??

????????????????imageView=new?ImageView(mContext);??

????????????????imageView.setLayoutParams(new?GridView.LayoutParams(85,85));??

????????????????imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);??

????????????????imageView.setPadding(8,?8,?8,?8);??

????????????}else{??

????????????????imageView=(ImageView)convertView;??

????????????}??

????????????imageView.setImageResource(mImageIds[position]);??

????????????return?imageView;??

????????}??

??????????

????}??

??????

??????

??????

????private?Integer[]?mImageIds?=?{??

????????????R.drawable.sample_0,?R.drawable.sample_1,?R.drawable.sample_2,??

????????????R.drawable.sample_3,?R.drawable.sample_4,?R.drawable.sample_5,??

????????????R.drawable.sample_6,?R.drawable.sample_7,R.drawable.sample_8,??

????????????R.drawable.sample_9,R.drawable.sample_10,R.drawable.sample_11};??

??

}??

package com.cellcom;import android.app.Activity; import android.content.Context; import android.os.Bundle; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.GridView; import android.widget.ImageView;//網絡視圖控件 public class GridViewActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.grid_view);setTitle("網絡視圖控件GridView！");GridView gridView=(GridView)findViewById(R.id.grid_view);gridView.setAdapter(new ImageAdapter(this));}public class ImageAdapter extends BaseAdapter{private Context mContext;public ImageAdapter(Context context){mContext=context;}@Overridepublic int getCount() {// TODO Auto-generated method stubreturn mImageIds.length;}@Overridepublic Object getItem(int position) {// TODO Auto-generated method stubreturn null;}@Overridepublic long getItemId(int position) {// TODO Auto-generated method stubreturn 0;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ImageView imageView;if(convertView==null){imageView=new ImageView(mContext);imageView.setLayoutParams(new GridView.LayoutParams(85,85));imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);imageView.setPadding(8, 8, 8, 8);}else{imageView=(ImageView)convertView;}imageView.setImageResource(mImageIds[position]);return imageView;}}private Integer[] mImageIds = {R.drawable.sample_0, R.drawable.sample_1, R.drawable.sample_2,R.drawable.sample_3, R.drawable.sample_4, R.drawable.sample_5,R.drawable.sample_6, R.drawable.sample_7,R.drawable.sample_8,R.drawable.sample_9,R.drawable.sample_10,R.drawable.sample_11};}
9.進度條控件--ProgressBar

[java] view plaincopyprint?

package?com.cellcom;??

import?android.app.Activity;??

import?android.os.Bundle;??

import?android.os.Handler;??

import?android.view.View;??

import?android.widget.Button;??

import?android.widget.ProgressBar;??

??

import?android.widget.TextView;??

??

/**?

?*??

?*?@author?nwang?

?*??

?*?進度條ProgressBar與線程使用。單擊開始按鈕，進度條水平方向前進！?

?*?

?*/??

public?class?ProgressBarHandlerActivity?extends?Activity?{??

????/**?Called?when?the?activity?is?first?created.?*/??

??????

????private?Button?startButton;??

????private?Button?stopButton;??

????private?TextView?result;??

????private?ProgressBar?firstProgressBar;??

????private?final?static?int?defaultValue=10;??

????private?int?i=0;??

??????

??????

????@Override??

????public?void?onCreate(Bundle?savedInstanceState)?{??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.progress_bar);??

????????setTitle("ProgressBar使用！");??

????????startButton=(Button)findViewById(R.id.startButton);??

????????stopButton=(Button)findViewById(R.id.stopButton);??

????????result=(TextView)findViewById(R.id.result);??

????????firstProgressBar=(ProgressBar)findViewById(R.id.firstProgressBar);??

??????????

????????firstProgressBar.setVisibility(0);//剛開始設置進度條可見??

??????????

????????startButton.setOnClickListener(new?View.OnClickListener()?{??

??????????????

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????/*i+=defaultValue;?

????????????????firstProgressBar.setProgress(i);?

????????????????firstProgressBar.setSecondaryProgress(i+defaultValue);*/??

????????????????result.setText(((double)i/firstProgressBar.getMax()*100)+"%");??

????????????????handler.post(progressBarThread);??

????????????}??

????????});??

??????????

????????stopButton.setOnClickListener(new?View.OnClickListener()?{??

??????????????

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????handler.removeCallbacks(progressBarThread);???????????

????????????}??

????????});??

????}??

??????

????//創建Handler對象??

????Handler?handler=new?Handler();??

??????

????//創建線程對象??

????MyRunnable?progressBarThread=new?MyRunnable();??

????class?MyRunnable?implements?Runnable{??

????????@Override??

????????public?void?run()?{??

????????????i+=defaultValue;??

????????????handler.postDelayed(progressBarThread,?1000);??

????????????firstProgressBar.setProgress(i);??

????????????firstProgressBar.setSecondaryProgress(i+defaultValue);??

????????????result.setText(((double)i/firstProgressBar.getMax()*100)+"%");??

????????????if(i>=firstProgressBar.getMax())?i=0;??

??????????????

????????}??

??????????

????}??

??????

}??

package com.cellcom; import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.view.View; import android.widget.Button; import android.widget.ProgressBar;import android.widget.TextView;/*** * @author nwang* * 進度條ProgressBar與線程使用。單擊開始按鈕，進度條水平方向前進！**/ public class ProgressBarHandlerActivity extends Activity {/** Called when the activity is first created. */private Button startButton;private Button stopButton;private TextView result;private ProgressBar firstProgressBar;private final static int defaultValue=10;private int i=0;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.progress_bar);setTitle("ProgressBar使用！");startButton=(Button)findViewById(R.id.startButton);stopButton=(Button)findViewById(R.id.stopButton);result=(TextView)findViewById(R.id.result);firstProgressBar=(ProgressBar)findViewById(R.id.firstProgressBar);firstProgressBar.setVisibility(0);//剛開始設置進度條可見startButton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {/*i+=defaultValue;firstProgressBar.setProgress(i);firstProgressBar.setSecondaryProgress(i+defaultValue);*/result.setText(((double)i/firstProgressBar.getMax()*100)+"%");handler.post(progressBarThread);}});stopButton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {handler.removeCallbacks(progressBarThread); }});}//創建Handler對象Handler handler=new Handler();//創建線程對象MyRunnable progressBarThread=new MyRunnable();class MyRunnable implements Runnable{@Overridepublic void run() {i+=defaultValue;handler.postDelayed(progressBarThread, 1000);firstProgressBar.setProgress(i);firstProgressBar.setSecondaryProgress(i+defaultValue);result.setText(((double)i/firstProgressBar.getMax()*100)+"%");if(i>=firstProgressBar.getMax()) i=0;}}}
10.單選控件--RadioGroup

[java] view plaincopyprint?

package?com.cellcom;??

??

import?android.app.Activity;??

import?android.os.Bundle;??

import?android.view.View;??

import?android.widget.Button;??

import?android.widget.RadioButton;??

??

//單選控件??

public?class?RadioGroupActivity?extends?Activity?{??

??

????private?RadioButton?radioFemale;??

????private?RadioButton?radioMale;??

????private?Button?ok;??

??????

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????//?TODO?Auto-generated?method?stub??

????????super.onCreate(savedInstanceState);??

??????????

????????setContentView(R.layout.radio_group);??

??????????

????????radioFemale=(RadioButton)findViewById(R.id.radioFemale);??

????????radioMale=(RadioButton)findViewById(R.id.radioMale);??

????????ok=(Button)findViewById(R.id.ok);??

??????????

????????ok.setOnClickListener(new?View.OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????String?result="你選擇的是：";??

????????????????if(radioFemale.isChecked()){??

????????????????????setTitle(result+"女");??

????????????????}else{??

????????????????????setTitle(result+"男");??

????????????????}??

????????????}??

????????});??

????}??

??

}??

package com.cellcom;import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.RadioButton;//單選控件 public class RadioGroupActivity extends Activity {private RadioButton radioFemale;private RadioButton radioMale;private Button ok;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.radio_group);radioFemale=(RadioButton)findViewById(R.id.radioFemale);radioMale=(RadioButton)findViewById(R.id.radioMale);ok=(Button)findViewById(R.id.ok);ok.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {String result="你選擇的是：";if(radioFemale.isChecked()){setTitle(result+"女");}else{setTitle(result+"男");}}});}}
11.打分組件--RatingBar

[java] view plaincopyprint?

package?com.cellcom;??

??

import?android.app.Activity;??

import?android.os.Bundle;??

import?android.view.View;??

import?android.widget.ImageButton;??

import?android.widget.RatingBar;??

import?android.widget.Toast;??

??

//評分組件RatingBar、ImageView圖片、?ImageButton圖片按鈕??

public?class?RatingBarActivity?extends?Activity?{??

??

????private?RatingBar?ratingBar;??

????private?ImageButton?imageButton;??

??????

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????//?TODO?Auto-generated?method?stub??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.rating_bar);??

????????setTitle("評分組件RatingBar、ImageView圖片、?ImageButton圖片按鈕");??

????????ratingBar=(RatingBar)findViewById(R.id.rating_bar);??

????????imageButton=(ImageButton)findViewById(R.id.imageButton);??

??????????

????????imageButton.setOnClickListener(new?View.OnClickListener()?{??

??????????????

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????Toast.makeText(RatingBarActivity.this,?"單擊圖片按鈕!!",?Toast.LENGTH_LONG).show();??

????????????}??

????????});??

????}??

}??

package com.cellcom;import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.ImageButton; import android.widget.RatingBar; import android.widget.Toast;//評分組件RatingBar、ImageView圖片、 ImageButton圖片按鈕 public class RatingBarActivity extends Activity {private RatingBar ratingBar;private ImageButton imageButton;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.rating_bar);setTitle("評分組件RatingBar、ImageView圖片、 ImageButton圖片按鈕");ratingBar=(RatingBar)findViewById(R.id.rating_bar);imageButton=(ImageButton)findViewById(R.id.imageButton);imageButton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Toast.makeText(RatingBarActivity.this, "單擊圖片按鈕!!", Toast.LENGTH_LONG).show();}});} }
12.標簽控件--Tab

[java] view plaincopyprint?

package?com.cellcom;??

??

import?android.app.TabActivity;??

import?android.os.Bundle;??

import?android.view.LayoutInflater;??

import?android.widget.TabHost;??

??

//標簽控件Tab??

public?class?TabDemoActivity?extends?TabActivity?{??

??

??????

????public?void?onCreate(Bundle?savedInstanceState)?{??

????????super.onCreate(savedInstanceState);??

????????setTitle("標簽控件Tab");??

????????TabHost?tabHost=getTabHost();??

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

????????tabHost.addTab(tabHost.newTabSpec("biaoqian1").setIndicator("標簽tab1").setContent(R.id.tab1));??

????????tabHost.addTab(tabHost.newTabSpec("biaoqian2").setIndicator("標簽tab2").setContent(R.id.tab2));??

????????tabHost.addTab(tabHost.newTabSpec("biaoqian3").setIndicator("標簽tab3").setContent(R.id.tab3));??

????}?????

}??

package com.cellcom;import android.app.TabActivity; import android.os.Bundle; import android.view.LayoutInflater; import android.widget.TabHost;//標簽控件Tab public class TabDemoActivity extends TabActivity {public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setTitle("標簽控件Tab");TabHost tabHost=getTabHost();LayoutInflater.from(this).inflate(R.layout.tab, tabHost.getTabContentView(),true);tabHost.addTab(tabHost.newTabSpec("biaoqian1").setIndicator("標簽tab1").setContent(R.id.tab1));tabHost.addTab(tabHost.newTabSpec("biaoqian2").setIndicator("標簽tab2").setContent(R.id.tab2));tabHost.addTab(tabHost.newTabSpec("biaoqian3").setIndicator("標簽tab3").setContent(R.id.tab3));} }
13.子菜單的實現--SubMenu

[java] view plaincopyprint?

package?com.cellcom;??

??

import?android.app.Activity;??

import?android.os.Bundle;??

import?android.view.Menu;??

import?android.view.MenuItem;??

import?android.view.SubMenu;??

??

//子菜單subMenu??

public?class?SubMenuActivity?extends?Activity?{??

??

????private?final?static?int?ITEM_NEW_FILE=Menu.FIRST;??

????private?final?static?int?ITEM_OPEN_FILE=Menu.FIRST+1;??

????private?final?static?int?ITEM_COPY=Menu.FIRST+2;??

????private?final?static?int?ITEM_CLOSE=Menu.FIRST+3;??

????private?final?static?int?ITEM_SAVE=Menu.FIRST+4;??

????private?final?static?int?ITEM_SAVE_ALL=Menu.FIRST+5;??

????private?final?static?int?ITEM_CUT=Menu.FIRST+6;??

????private?final?static?int?ITEM_PASTE=Menu.FIRST+7;??

??????

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????//?TODO?Auto-generated?method?stub??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.sub_menu);??

????????setTitle("單擊Menu鍵看到效果！");??

????}??

??????

????@Override??

????public?boolean?onCreateOptionsMenu(Menu?menu)?{??

????????SubMenu?file=menu.addSubMenu("文件");??

????????SubMenu?edit=menu.addSubMenu("編輯");??

??????????

????????file.add(0,ITEM_NEW_FILE,0,"新建");??

????????file.add(0,ITEM_OPEN_FILE,0,"打開");??

????????file.add(0,ITEM_CLOSE,0,"關閉");??

????????file.add(0,ITEM_SAVE,0,"保存");??

????????file.add(0,ITEM_SAVE_ALL,0,"保存全部");??

??????????

??????????

????????edit.add(0,ITEM_COPY,0,"復制");??

????????edit.add(0,ITEM_CUT,0,"剪切");??

????????edit.add(0,ITEM_PASTE,0,"粘貼");??

??????????

????????return?true;??

????}??

??????

????@Override??

????public?boolean?onOptionsItemSelected(MenuItem?item)?{??

????????switch?(item.getItemId())?{??

????????case?ITEM_NEW_FILE:??

????????????setTitle("新建文件！");??

????????????break;??

????????case?ITEM_OPEN_FILE:??

????????????setTitle("打開文件");??

????????????break;??

????????case?ITEM_COPY:??

????????????setTitle("復制文件");??

????????????break;??

????????default:??

????????????break;??

????????}??

????????return?true;??

????}??

}??

package com.cellcom;import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.SubMenu;//子菜單subMenu public class SubMenuActivity extends Activity {private final static int ITEM_NEW_FILE=Menu.FIRST;private final static int ITEM_OPEN_FILE=Menu.FIRST+1;private final static int ITEM_COPY=Menu.FIRST+2;private final static int ITEM_CLOSE=Menu.FIRST+3;private final static int ITEM_SAVE=Menu.FIRST+4;private final static int ITEM_SAVE_ALL=Menu.FIRST+5;private final static int ITEM_CUT=Menu.FIRST+6;private final static int ITEM_PASTE=Menu.FIRST+7;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.sub_menu);setTitle("單擊Menu鍵看到效果！");}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {SubMenu file=menu.addSubMenu("文件");SubMenu edit=menu.addSubMenu("編輯");file.add(0,ITEM_NEW_FILE,0,"新建");file.add(0,ITEM_OPEN_FILE,0,"打開");file.add(0,ITEM_CLOSE,0,"關閉");file.add(0,ITEM_SAVE,0,"保存");file.add(0,ITEM_SAVE_ALL,0,"保存全部");edit.add(0,ITEM_COPY,0,"復制");edit.add(0,ITEM_CUT,0,"剪切");edit.add(0,ITEM_PASTE,0,"粘貼");return true;}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {switch (item.getItemId()) {case ITEM_NEW_FILE:setTitle("新建文件！");break;case ITEM_OPEN_FILE:setTitle("打開文件");break;case ITEM_COPY:setTitle("復制文件");break;default:break;}return true;} }

注：源代碼附件下載:

http://download.csdn.net/detail/a1042185842b/9484637

posted on 2017-09-11 09:14 NET未來之路 閱讀(...) 評論(...) 編輯 收藏

轉載于:https://www.cnblogs.com/lonelyxmas/p/7503387.html

總結

以上是生活随笔為你收集整理的一个Demo让你掌握Android所有控件的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。