Android学习笔记(一)

Android应用拨号与短信功能实现

最新推荐文章于 2025-12-06 09:28:08 发布

原创最新推荐文章于 2025-12-06 09:28:08 发布 · 101 阅读

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文章标签：

#Android #Mobile #OS #XML #.net

本文介绍了一个简单的Android应用程序，该程序包含拨打电话和发送短信的功能。通过两个独立的Activity，用户可以输入电话号码进行拨打或者编辑短信内容进行发送。文章提供了完整的Java代码示例及所需的AndroidManifest.xml配置。

一、拨号器

PhoneActivity.java

package com.wp.activity;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class PhoneActivity extends Activity {
	private EditText mobileText;
	private Button button;

	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		mobileText = (EditText) this.findViewById(R.id.mobile);
		button = (Button) this.findViewById(R.id.button);
		button.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View arg0) {
				String mobile = mobileText.getText().toString();
				Intent intent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:"
						+ mobile));
				PhoneActivity.this.startActivity(intent);
			}
		});
	}
}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.wp.activity" android:versionCode="1" android:versionName="1.0">
	<application android:icon="@drawable/icon" android:label="@string/app_name">
		<activity android:name=".PhoneActivity" android:label="@string/app_name">
			<intent-filter>
				<action android:name="android.intent.action.MAIN" />
				<category android:name="android.intent.category.LAUNCHER" />
			</intent-filter>
		</activity>

	</application>
	<uses-sdk android:minSdkVersion="7" />
	<uses-permission android:name="android.permission.CALL_PHONE" />
</manifest>

二、短信发送器

SMSActivity.java

package org.wp.activity;

import java.util.List;
import android.app.Activity;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class SMSActivity extends Activity {
	private EditText mobileText;
	private EditText contentText;
	private Button button;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		mobileText = (EditText) findViewById(R.id.mobile);
		contentText = (EditText) findViewById(R.id.content);
		button = (Button) findViewById(R.id.button);
		button.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View arg0) {
				String mobile = mobileText.getText().toString();
				String content = contentText.getText().toString();
				SmsManager smsManager = SmsManager.getDefault();
				if (content.length() > 70) {
					List<String> contents = smsManager.divideMessage(content);
					for (String sms : contents) {
						smsManager.sendTextMessage(mobile, null, sms, null,
								null);
					}
				} else {
					smsManager.sendTextMessage(mobile, null, content, null,
							null);
				}
				Toast.makeText(SMSActivity.this, R.string.info,
						Toast.LENGTH_SHORT).show();
			}
		});
	}
}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="org.wp.activity" android:versionCode="1" android:versionName="1.0">
	<application android:icon="@drawable/icon" android:label="@string/app_name">
		<activity android:name=".SMSActivity" android:label="@string/app_name">
			<intent-filter>
				<action android:name="android.intent.action.MAIN" />
				<category android:name="android.intent.category.LAUNCHER" />
			</intent-filter>
		</activity>

	</application>
	<uses-sdk android:minSdkVersion="7" />
	<uses-permission android:name="android.permission.SEND_SMS"></uses-permission>
</manifest>