android下编写应用如果使用安全敏感项,必须先声明权限,比如要收发短信,打电话,使用录像和照相
下面以短信为例
发短信很简单,下面两行代码可以完成短信发送功能
phoneNumber发送的目的号码,MsgStr为发送的内容
SmsManager sms = SmsManager.getDefault();
sms.sendTextMessage(phoneNumber, null, MsgStr, null, null);
收短信不是这么方便,需要建立一个BroadcastReceiver,来监听android.provider.Telephony.SMS_RECEIVED事件,完整代码如下:
public class SMSReceiver extends BroadcastReceiver {
private static final String strACT = "android.provider.Telephony.SMS_RECEIVED";
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(strACT)) {
Bundle bundle = intent.getExtras();
if (bundle != null) {
Object[] pdusObj = (Object[]) bundle.get("pdus");
if (pdusObj != null) {
SmsMessage[] messages = new SmsMessage[pdusObj.length];
for (int n = 0; n < pdusObj.length; n++) {
messages[n] = SmsMessage.createFromPdu((byte[]) pdusObj[n]);
}
}
}
}
}
写完这些要注意在配置文件AndroidManifest.xml,在Activity下添加receiver节点:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.bakhtiyor.android.games" android:versionCode="1"
android:versionName="1.0">
<uses-permission android:name="android.permission.SEND_SMS"></uses-permission>
<uses-permission android:name="android.permission.RECEIVE_SMS"></uses-permission>
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".TicTacToeActivity" android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</activity>
</application>
<uses-sdk android:minSdkVersion="3" />
</manifest>
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