一个Demo让你掌握Android所有控件
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一个Demo让你掌握Android所有控件
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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
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--AlertDialogpackage?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--AutoCompleteTextViewpackage?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--Bundlepackage?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--CheckBoxpackage?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--Menupackage?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--DataTimePickerpackage?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--GridViewpackage?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--ProgressBarpackage?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--RadioGrouppackage?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--RatingBarpackage?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--Tabpackage?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--SubMenupackage?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;}
}
本文是轉載收藏,侵刪,出處:"安卓巴士"
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下面給出實現各個組件的源代碼：
1.下拉框實現--Spinner
[java] view plaincopyprint?
2.對話框的實現--AlertDialog
[java] view plaincopyprint?
3.自動提示框的實現--AutoCompleteTextView
[java] view plaincopyprint?
4.Activity之間傳遞數據--Bundle
[java] view plaincopyprint?
[java] view plaincopyprint?
5.復選框--CheckBox
[java] view plaincopyprint?
6.菜單的實現--Menu
[java] view plaincopyprint?
7.日期選擇器--DataTimePicker
[java] view plaincopyprint?
8.網格視圖控件--GridView
[java] view plaincopyprint?
9.進度條控件--ProgressBar
[java] view plaincopyprint?
10.單選控件--RadioGroup
[java] view plaincopyprint?
11.打分組件--RatingBar
[java] view plaincopyprint?
12.標簽控件--Tab
[java] view plaincopyprint?
13.子菜單的實現--SubMenu
[java] view plaincopyprint?
注：源代碼附件下載:
http://download.csdn.net/detail/a1042185842b/9484637
轉載于:https://www.cnblogs.com/lonelyxmas/p/7503387.html
總結
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