Android实训所学功能实现代码集合

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(){

			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				String 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(){

			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				Intent in2=new Intent();
				in2.setAction((Intent.ACTION_CALL));
				in2.setData(Uri.parse("tel:13869546209"));
				startActivity(in2);
				
				
			}});
        btn2.setOnClickListener(new OnClickListener(){

			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				Intent 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;
	
	//@Override
	List 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);
	}

	@Override
	public 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;
	}

	@Override
	public 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>