潍坊市公共法律知识培训网站,wordpress 是免费的嘛,注册公司流程视频,河南头条最新消息 新闻一个Demo让你掌握Android所有控件 原文:一个Demo让你掌握Android所有控件本文是转载收藏,侵删,出处:安卓巴士 下面给出实现各个组件的源代码#xff1a; 1.下拉框实现--Spinner [java] view plaincopyprint?package com.cellcom; import java.util.ArrayList;… 一个Demo让你掌握Android所有控件 原文:一个Demo让你掌握Android所有控件 本文是转载收藏,侵删,出处:安卓巴士 下面给出实现各个组件的源代码 1.下拉框实现--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 ListString allCountiesnew ArrayListString(); private String result你选择的是; 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 i0;imCounties.length;i){ allCounties.add(mCounties[i]); } countiesAdapternew ArrayAdapterString(SpinnerActivity.this,android.R.layout.simple_spinner_item,allCounties); countiesAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner1.setAdapter(countiesAdapter); ArrayAdapter adapterArrayAdapter.createFromResource(SpinnerActivity.this,R.array.counties,android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner2.setAdapter(adapter); //单击第一个下拉按钮时显示选择的值。 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(resultstr); } Override public void onNothingSelected(AdapterView? arg0) { // TODO Auto-generated method stub } }); //单击第二个下拉按钮时显示选择的值。 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(resultstr); } Override public void onNothingSelected(AdapterView? arg0) { } }); //单击确定按钮提取选择的值. ok.setOnClickListener(new View.OnClickListener() { Override public void onClick(View v) { setTitle(resultspinner1.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 ListString allCountiesnew ArrayListString();private String result你选择的是;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 i0;imCounties.length;i){allCounties.add(mCounties[i]);}countiesAdapternew ArrayAdapterString(SpinnerActivity.this,android.R.layout.simple_spinner_item,allCounties);countiesAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);spinner1.setAdapter(countiesAdapter);ArrayAdapter adapterArrayAdapter.createFromResource(SpinnerActivity.this,R.array.counties,android.R.layout.simple_spinner_item);adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);spinner2.setAdapter(adapter);//单击第一个下拉按钮时显示选择的值。 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(resultstr);}Overridepublic void onNothingSelected(AdapterView? arg0) {// TODO Auto-generated method stub}});//单击第二个下拉按钮时显示选择的值。 spinner2.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {Overridepublic void onItemSelected(AdapterView? adapter, View view,int position, long id) {String str(String)spinner2.getAdapter().getItem(position);setTitle(resultstr);}Overridepublic void onNothingSelected(AdapterView? arg0) {}});//单击确定按钮提取选择的值.ok.setOnClickListener(new View.OnClickListener() {Overridepublic void onClick(View v) {setTitle(resultspinner1.getSelectedItem() - spinner2.getSelectedItem());}});}}2.对话框的实现--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; //对话框测试 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种对话框); button1(Button)findViewById(R.id.button1); button2(Button)findViewById(R.id.button2); button3(Button)findViewById(R.id.button3); button4(Button)findViewById(R.id.button4); //第一种对话框 button1.setOnClickListener(new View.OnClickListener() { Override public void onClick(View v) { Builder buildernew AlertDialog.Builder(AlertDialogActivity.this); builder.setIcon(R.drawable.alert_dialog_icon); builder.setTitle(哇哈哈); builder.setMessage(去不去); builder.setPositiveButton(确定, new DialogInterface.OnClickListener() { Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(AlertDialogActivity.this, 你选择了确定按钮, Toast.LENGTH_SHORT).show(); } }); builder.setNegativeButton(取消, new DialogInterface.OnClickListener() { Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(AlertDialogActivity.this, 你选择了取消按钮, Toast.LENGTH_SHORT).show(); } }); builder.show(); } }); //第二种对话框 button2.setOnClickListener(new View.OnClickListener() { Override public void onClick(View v) { new AlertDialog.Builder(AlertDialogActivity.this) .setIcon(R.drawable.alert_dialog_icon) .setTitle(温馨提示) .setMessage(提示内容三个按钮) .setPositiveButton(确定, new DialogInterface.OnClickListener() { Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(AlertDialogActivity.this, 你选择了确定按钮, Toast.LENGTH_SHORT).show(); } }) .setNeutralButton(详情, new DialogInterface.OnClickListener() { Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(AlertDialogActivity.this, 你选择了详情按钮, Toast.LENGTH_SHORT).show(); } }) .setNegativeButton(取消, new DialogInterface.OnClickListener() { Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(AlertDialogActivity.this, 你选择了取消按钮, Toast.LENGTH_SHORT).show(); } }) .show(); } }); //第三种按钮 button3.setOnClickListener(new View.OnClickListener() { Override public void onClick(View v) { LayoutInflater inflaterLayoutInflater.from(AlertDialogActivity.this); final View textEntryViewinflater.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 usernameusernameET.getText().toString(); new AlertDialog.Builder(AlertDialogActivity.this) .setIcon(R.drawable.alert_dialog_icon) .setTitle(温馨提醒) .setView(textEntryView) .setPositiveButton(确定, new DialogInterface.OnClickListener() { Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(AlertDialogActivity.this, 用户名usernameET.getText().toString()\n密码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, 你选择了确定取消, Toast.LENGTH_SHORT).show(); } }) .show(); } }); //第四种对话框 button4.setOnClickListener(new View.OnClickListener() { Override public void onClick(View v) { ProgressDialog dialognew ProgressDialog(AlertDialogActivity.this); dialog.setTitle(处理中。。。); dialog.setMessage(请稍后。。。); 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;//对话框测试
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种对话框);button1(Button)findViewById(R.id.button1);button2(Button)findViewById(R.id.button2);button3(Button)findViewById(R.id.button3);button4(Button)findViewById(R.id.button4);//第一种对话框button1.setOnClickListener(new View.OnClickListener() {Overridepublic void onClick(View v) {Builder buildernew AlertDialog.Builder(AlertDialogActivity.this);builder.setIcon(R.drawable.alert_dialog_icon);builder.setTitle(哇哈哈);builder.setMessage(去不去);builder.setPositiveButton(确定, new DialogInterface.OnClickListener() {Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, 你选择了确定按钮, Toast.LENGTH_SHORT).show();}});builder.setNegativeButton(取消, new DialogInterface.OnClickListener() {Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, 你选择了取消按钮, Toast.LENGTH_SHORT).show();}});builder.show();}});//第二种对话框button2.setOnClickListener(new View.OnClickListener() {Overridepublic void onClick(View v) {new AlertDialog.Builder(AlertDialogActivity.this).setIcon(R.drawable.alert_dialog_icon).setTitle(温馨提示).setMessage(提示内容三个按钮).setPositiveButton(确定, new DialogInterface.OnClickListener() {Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, 你选择了确定按钮, Toast.LENGTH_SHORT).show();}}).setNeutralButton(详情, new DialogInterface.OnClickListener() {Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, 你选择了详情按钮, Toast.LENGTH_SHORT).show();}}).setNegativeButton(取消, new DialogInterface.OnClickListener() {Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, 你选择了取消按钮, Toast.LENGTH_SHORT).show();}}).show();}});//第三种按钮button3.setOnClickListener(new View.OnClickListener() {Overridepublic void onClick(View v) {LayoutInflater inflaterLayoutInflater.from(AlertDialogActivity.this);final View textEntryViewinflater.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 usernameusernameET.getText().toString();new AlertDialog.Builder(AlertDialogActivity.this).setIcon(R.drawable.alert_dialog_icon).setTitle(温馨提醒).setView(textEntryView).setPositiveButton(确定, new DialogInterface.OnClickListener() {Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, 用户名usernameET.getText().toString()\n密码passwordET.getText().toString(), Toast.LENGTH_LONG).show();}}).setNegativeButton(取消, new DialogInterface.OnClickListener() {Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(AlertDialogActivity.this, 你选择了确定取消, Toast.LENGTH_SHORT).show();}}).show();}});//第四种对话框button4.setOnClickListener(new View.OnClickListener() {Overridepublic void onClick(View v) {ProgressDialog dialognew ProgressDialog(AlertDialogActivity.this);dialog.setTitle(处理中。。。);dialog.setMessage(请稍后。。。);dialog.show();}});}
}3.自动提示框的实现--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; //自动提示框 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,广州1,广州2,广州3,广州4,广东1,广东2,广东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); ArrayAdapterString adapternew ArrayAdapterString(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;//自动提示框
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,广州1,广州2,广州3,广州4,广东1,广东2,广东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);ArrayAdapterString adapternew ArrayAdapterString(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之间传递数据--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 * * 输入身高和选择性别计算标准体重。并把数据返回到原来Activity */ public class Bundle1Activity extends Activity { private int my_requestCode1550; 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 heightDouble.parseDouble(heightEdit.getText().toString()); String sex; if(sexMan.isChecked()){ sexM; }else{ sexF; } Intent intentnew Intent(); intent.setClass(Bundle1Activity.this, Bundle2Activity.class); //封装数据 Bundle bundlenew Bundle(); bundle.putDouble(height, height); bundle.putString(sex, sex); intent.putExtras(bundle); startActivityForResult(intent, my_requestCode); } }); } //回调方法 Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); switch (requestCode) { case RESULT_OK: //RESULT_OK表示返回成功提取数据。 Bundle bundledata.getExtras(); String sexbundle.getString(sex); double heightbundle.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* * 输入身高和选择性别计算标准体重。并把数据返回到原来Activity*/
public class Bundle1Activity extends Activity {private int my_requestCode1550;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 heightDouble.parseDouble(heightEdit.getText().toString());String sex;if(sexMan.isChecked()){sexM;}else{sexF;}Intent intentnew Intent();intent.setClass(Bundle1Activity.this, Bundle2Activity.class);//封装数据Bundle bundlenew Bundle();bundle.putDouble(height, height);bundle.putString(sex, sex);intent.putExtras(bundle);startActivityForResult(intent, my_requestCode);}});}//回调方法Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {super.onActivityResult(requestCode, resultCode, data);switch (requestCode) {case RESULT_OK://RESULT_OK表示返回成功提取数据。Bundle bundledata.getExtras();String sexbundle.getString(sex);double heightbundle.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 intentnull; 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); intentthis.getIntent(); Bundle bundleintent.getExtras(); double heightbundle.getDouble(height); String sexbundle.getString(sex); String sexStr; if(M.equals(sex)){ sexStr男性; }else{ sexStr女性; } String weightthis.getWeight(sex, height); result.setText(你是一位sexStr\n身高是height厘米 \n你的标准体重weight公斤); //返回上一页 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)){ weightformat((height-80)*0.7); }else{ weightformat((height-70)*0.6); } return weight; } public String format(double num){ NumberFormat formatternew DecimalFormat(0.00); String sformatter.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 intentnull;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);intentthis.getIntent();Bundle bundleintent.getExtras();double heightbundle.getDouble(height);String sexbundle.getString(sex);String sexStr;if(M.equals(sex)){sexStr男性;}else{sexStr女性;}String weightthis.getWeight(sex, height);result.setText(你是一位sexStr\n身高是height厘米 \n你的标准体重weight公斤);//返回上一页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)){weightformat((height-80)*0.7);}else{weightformat((height-70)*0.6);}return weight;}public String format(double num){NumberFormat formatternew DecimalFormat(0.00);String sformatter.format(num);return s;}
}5.复选框--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()){ resultplainCB.getText()、; } if(serifCB.isChecked()){ resultserifCB.getText()、; } if(boldCB.isChecked()){ resultboldCB.getText()、; } if(italicCB.isChecked()){ resultitalicCB.getText()、; } if(!.equals(result)){ resultresult.substring(0,result.length()-1); }else{ result你没有选择; } 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()){resultplainCB.getText()、;}if(serifCB.isChecked()){resultserifCB.getText()、;}if(boldCB.isChecked()){resultboldCB.getText()、;}if(italicCB.isChecked()){resultitalicCB.getText()、;}if(!.equals(result)){resultresult.substring(0,result.length()-1);}else{result你没有选择;}setTitle(Checked:result);}});}}6.菜单的实现--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 ITEM0Menu.FIRST; private final static int ITEM1Menu.FIRST1; private final static int ITEM2Menu.FIRST2; private TextView tv; Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.context_menu); setTitle(单击Menu键看到效果); tv(TextView)findViewById(R.id.tv1); this.registerForContextMenu(tv);//将上下文注册到TextView } Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { menu.add(0, ITEM0, 0, 红色背景); menu.add(0,ITEM1,0,绿色背景); 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 ITEM0Menu.FIRST;private final static int ITEM1Menu.FIRST1;private final static int ITEM2Menu.FIRST2;private TextView tv;Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.context_menu);setTitle(单击Menu键看到效果);tv(TextView)findViewById(R.id.tv1);this.registerForContextMenu(tv);//将上下文注册到TextView}Overridepublic void onCreateContextMenu(ContextMenu menu, View v,ContextMenuInfo menuInfo) {menu.add(0, ITEM0, 0, 红色背景);menu.add(0,ITEM1,0,绿色背景);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.日期选择器--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日期选择器、TimePicker时间选择器 使用 public class DatePickerActivity extends Activity { private Button datePickerButton; private DatePicker datePicker1; private TimePicker timePicker1; //默认生成系统当前时间 SimpleDateFormat sdfnew SimpleDateFormat(yyyy-MM-dd HH:mm); String strsdf.format(new Date()); int yearInteger.parseInt(str.substring(0, 4)); int monthInteger.parseInt(str.substring(5,7))-1; int dayInteger.parseInt(str.substring(8,10)); int hourInteger.parseInt(str.substring(11,13)); int minuteInteger.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(你选择的是datePicker1.getYear()年datePicker1.getMonth()月datePicker1.getDayOfMonth()日 timePicker1.getCurrentHour()小时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日期选择器、TimePicker时间选择器 使用
public class DatePickerActivity extends Activity {private Button datePickerButton;private DatePicker datePicker1;private TimePicker timePicker1;//默认生成系统当前时间SimpleDateFormat sdfnew SimpleDateFormat(yyyy-MM-dd HH:mm); String strsdf.format(new Date());int yearInteger.parseInt(str.substring(0, 4));int monthInteger.parseInt(str.substring(5,7))-1;int dayInteger.parseInt(str.substring(8,10));int hourInteger.parseInt(str.substring(11,13));int minuteInteger.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(你选择的是datePicker1.getYear()年datePicker1.getMonth()月datePicker1.getDayOfMonth()日 timePicker1.getCurrentHour()小时timePicker1.getCurrentMinute()分);}});}}8.网格视图控件--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; //网络视图控件 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(网络视图控件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){ mContextcontext; } 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(convertViewnull){ imageViewnew 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;//网络视图控件
public class GridViewActivity extends Activity {Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.grid_view);setTitle(网络视图控件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){mContextcontext;}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(convertViewnull){imageViewnew 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.进度条控件--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 * * 进度条ProgressBar与线程使用。单击开始按钮进度条水平方向前进 * */ 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 defaultValue10; private int i0; 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);//刚开始设置进度条可见 startButton.setOnClickListener(new View.OnClickListener() { Override public void onClick(View v) { /*idefaultValue; firstProgressBar.setProgress(i); firstProgressBar.setSecondaryProgress(idefaultValue);*/ result.setText(((double)i/firstProgressBar.getMax()*100)%); handler.post(progressBarThread); } }); stopButton.setOnClickListener(new View.OnClickListener() { Override public void onClick(View v) { handler.removeCallbacks(progressBarThread); } }); } //创建Handler对象 Handler handlernew Handler(); //创建线程对象 MyRunnable progressBarThreadnew MyRunnable(); class MyRunnable implements Runnable{ Override public void run() { idefaultValue; handler.postDelayed(progressBarThread, 1000); firstProgressBar.setProgress(i); firstProgressBar.setSecondaryProgress(idefaultValue); result.setText(((double)i/firstProgressBar.getMax()*100)%); if(ifirstProgressBar.getMax()) i0; } } } 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* * 进度条ProgressBar与线程使用。单击开始按钮进度条水平方向前进**/
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 defaultValue10;private int i0;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);//刚开始设置进度条可见startButton.setOnClickListener(new View.OnClickListener() {Overridepublic void onClick(View v) {/*idefaultValue;firstProgressBar.setProgress(i);firstProgressBar.setSecondaryProgress(idefaultValue);*/result.setText(((double)i/firstProgressBar.getMax()*100)%);handler.post(progressBarThread);}});stopButton.setOnClickListener(new View.OnClickListener() {Overridepublic void onClick(View v) {handler.removeCallbacks(progressBarThread); }});}//创建Handler对象Handler handlernew Handler();//创建线程对象MyRunnable progressBarThreadnew MyRunnable();class MyRunnable implements Runnable{Overridepublic void run() {idefaultValue;handler.postDelayed(progressBarThread, 1000);firstProgressBar.setProgress(i);firstProgressBar.setSecondaryProgress(idefaultValue);result.setText(((double)i/firstProgressBar.getMax()*100)%);if(ifirstProgressBar.getMax()) i0;}}} 10.单选控件--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; //单选控件 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你选择的是; 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;//单选控件
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你选择的是;if(radioFemale.isChecked()){setTitle(result女);}else{setTitle(result男);}}});}}11.打分组件--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; //评分组件RatingBar、ImageView图片、 ImageButton图片按钮 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(评分组件RatingBar、ImageView图片、 ImageButton图片按钮); 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, 单击图片按钮!!, 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;//评分组件RatingBar、ImageView图片、 ImageButton图片按钮
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(评分组件RatingBar、ImageView图片、 ImageButton图片按钮);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, 单击图片按钮!!, Toast.LENGTH_LONG).show();}});}
}12.标签控件--Tab [java] view plaincopyprint? package com.cellcom; import android.app.TabActivity; import android.os.Bundle; import android.view.LayoutInflater; import android.widget.TabHost; //标签控件Tab public class TabDemoActivity extends TabActivity { public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setTitle(标签控件Tab); TabHost tabHostgetTabHost(); LayoutInflater.from(this).inflate(R.layout.tab, tabHost.getTabContentView(),true); tabHost.addTab(tabHost.newTabSpec(biaoqian1).setIndicator(标签tab1).setContent(R.id.tab1)); tabHost.addTab(tabHost.newTabSpec(biaoqian2).setIndicator(标签tab2).setContent(R.id.tab2)); tabHost.addTab(tabHost.newTabSpec(biaoqian3).setIndicator(标签tab3).setContent(R.id.tab3)); } } package com.cellcom;import android.app.TabActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.widget.TabHost;//标签控件Tab
public class TabDemoActivity extends TabActivity {public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setTitle(标签控件Tab);TabHost tabHostgetTabHost();LayoutInflater.from(this).inflate(R.layout.tab, tabHost.getTabContentView(),true);tabHost.addTab(tabHost.newTabSpec(biaoqian1).setIndicator(标签tab1).setContent(R.id.tab1));tabHost.addTab(tabHost.newTabSpec(biaoqian2).setIndicator(标签tab2).setContent(R.id.tab2));tabHost.addTab(tabHost.newTabSpec(biaoqian3).setIndicator(标签tab3).setContent(R.id.tab3));}
}13.子菜单的实现--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; //子菜单subMenu public class SubMenuActivity extends Activity { private final static int ITEM_NEW_FILEMenu.FIRST; private final static int ITEM_OPEN_FILEMenu.FIRST1; private final static int ITEM_COPYMenu.FIRST2; private final static int ITEM_CLOSEMenu.FIRST3; private final static int ITEM_SAVEMenu.FIRST4; private final static int ITEM_SAVE_ALLMenu.FIRST5; private final static int ITEM_CUTMenu.FIRST6; private final static int ITEM_PASTEMenu.FIRST7; Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.sub_menu); setTitle(单击Menu键看到效果); } Override public boolean onCreateOptionsMenu(Menu menu) { SubMenu filemenu.addSubMenu(文件); SubMenu editmenu.addSubMenu(编辑); file.add(0,ITEM_NEW_FILE,0,新建); file.add(0,ITEM_OPEN_FILE,0,打开); file.add(0,ITEM_CLOSE,0,关闭); 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,复制); edit.add(0,ITEM_CUT,0,剪切); edit.add(0,ITEM_PASTE,0,粘贴); 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(打开文件); break; case ITEM_COPY: setTitle(复制文件); 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;//子菜单subMenu
public class SubMenuActivity extends Activity {private final static int ITEM_NEW_FILEMenu.FIRST;private final static int ITEM_OPEN_FILEMenu.FIRST1;private final static int ITEM_COPYMenu.FIRST2;private final static int ITEM_CLOSEMenu.FIRST3;private final static int ITEM_SAVEMenu.FIRST4;private final static int ITEM_SAVE_ALLMenu.FIRST5;private final static int ITEM_CUTMenu.FIRST6;private final static int ITEM_PASTEMenu.FIRST7;Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.sub_menu);setTitle(单击Menu键看到效果);}Overridepublic boolean onCreateOptionsMenu(Menu menu) {SubMenu filemenu.addSubMenu(文件);SubMenu editmenu.addSubMenu(编辑);file.add(0,ITEM_NEW_FILE,0,新建);file.add(0,ITEM_OPEN_FILE,0,打开);file.add(0,ITEM_CLOSE,0,关闭);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,复制);edit.add(0,ITEM_CUT,0,剪切);edit.add(0,ITEM_PASTE,0,粘贴);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(打开文件);break;case ITEM_COPY:setTitle(复制文件);break;default:break;}return true;}
}
注源代码附件下载: http://download.csdn.net/detail/a1042185842b/9484637 posted on 2017-09-11 09:14 NET未来之路 阅读(...) 评论(...) 编辑 收藏 转载于:https://www.cnblogs.com/lonelyxmas/p/7503387.html
