Android实训所学功能实现代码集合

来源：互联网发布：修睿乔杉潘斌龙网络剧编辑：程序博客网时间：2024/06/09 23:45

MainActivity.java

package com.example.htcone;import android.net.Uri;import android.os.Bundle;import android.app.Activity;import android.content.Intent;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;public class MainActivity extends Activity {private    Button btn;private EditText et1;private EditText et2;private Button btn1;private Button btn2;    @Override        protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        btn=(Button)findViewById(R.id.loginin);        btn1=(Button)findViewById(R.id.telephone);        btn2=(Button)findViewById(R.id.message1);        et1=(EditText)findViewById(R.id.wenben1);        et2=(EditText)findViewById(R.id.wenben2);        btn.setOnClickListener(new OnClickListener(){@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubString username=et1.getText().toString();String password=et2.getText().toString();if(username.equals("sunrui")&&password.equals("123")){        Intent in=new Intent(MainActivity.this,SecondActivity.class);        startActivity(in);}}});        btn1.setOnClickListener(new OnClickListener(){@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubIntent in2=new Intent();in2.setAction((Intent.ACTION_CALL));in2.setData(Uri.parse("tel:13869546209"));startActivity(in2);}});        btn2.setOnClickListener(new OnClickListener(){@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubIntent in3=new Intent();in3.setAction(Intent.ACTION_SENDTO);in3.setData(Uri.parse("smsto:13869546209"));in3.putExtra("sms_body","have a good time");startActivity (in3);}});            }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.main, menu);        return true;    }    }

SecondActivity.java

package com.example.htcone;import java.util.ArrayList;import java.util.List;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.MenuItem;import android.widget.ArrayAdapter;import android.widget.ListView;public class SecondActivity extends Activity {private ListView uselv;//@OverrideList list;final static int menu_index=Menu.FIRST;final static int menu_content=Menu.FIRST+1;final static int menu_last=Menu.FIRST+2;protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_second);uselv=(ListView)findViewById(R.id.tele);list=new ArrayList();list.add("Tom");list.add("Jerry");list.add("Ross");list.add("Monica");list.add("Racheal");list.add("Joey");ArrayAdapter<String>adapter=new ArrayAdapter(this,android.R.layout.simple_list_item_1,list);uselv.setAdapter(adapter);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.//getMenuInflater().inflate(R.menu.second, menu);menu.add(0,menu_index,0,"首项").setIcon(android.R.drawable.btn_star);menu.add(0,menu_content,1,"内容").setIcon(android.R.drawable.btn_star);menu.add(0,menu_last,2,"尾页").setIcon(android.R.drawable.btn_star);return true;}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {// TODO Auto-generated method stub//return super.onOptionsItemSelected(item);]switch(item.getItemId()){case menu_index:System.out.println("index");return true;case menu_content:System.out.println("content");return true;case menu_last:System.out.println("last");return true;}return false;}}

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".MainActivity" >    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentTop="true"        android:layout_centerHorizontal="true"        android:layout_marginTop="24dp"        android:text="System Login"        android:textSize="35sp" />    <TextView        android:id="@+id/textView2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_below="@+id/textView1"        android:layout_marginTop="69dp"        android:layout_toLeftOf="@+id/editText1"        android:text="Username:" />    <EditText        android:id="@+id/wenben1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignBaseline="@+id/textView2"        android:layout_alignBottom="@+id/textView2"        android:layout_alignParentRight="true"        android:ems="10" >        <requestFocus />    </EditText>    <TextView        android:id="@+id/TextView01"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignLeft="@+id/textView2"        android:layout_centerVertical="true"        android:text="Password" />    <EditText        android:id="@+id/wenben2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignBottom="@+id/TextView01"        android:layout_alignParentRight="true"        android:ems="10"        android:inputType="textPassword" />    <Button        android:id="@+id/loginin"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_alignLeft="@+id/TextView01"        android:layout_below="@+id/TextView01"        android:text="Button" />    <Button        android:id="@+id/telephone"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_below="@+id/loginin"        android:layout_centerHorizontal="true"        android:text="TELEPHONE" />    <Button        android:id="@+id/message1"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_below="@+id/telephone"        android:layout_centerHorizontal="true"        android:text="message" /></RelativeLayout>

activity_second.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".SecondActivity" >    <ListView        android:id="@+id/tele"        android:layout_width="match_parent"        android:layout_height="wrap_content" >    </ListView></RelativeLayout>

AndroidMainfest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.sr"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="17" />       <uses-permission android:name="android.permission.CALL_PHONE"/>    <uses-permission android:name="android.permission.SEND_SMS"/>"    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name="com.example.sr.MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>        <activity            android:name="com.example.sr.SecondActivity"            android:label="@string/title_activity_second" >        </activity>    </application></manifest>