简易安卓短信收发应用
刚学安卓,最近在写一个短信的收发程序,但是在模拟器上面可以收发,在真机上面却不行,解决办法:
对于收短信,由于现在很多手机系统对短信、电话等状态的读取设置了很多权限,需要手动去打开(目前不会用代码申请这些权限),例如在小米5手机上面找到应用的权限管理,打开Message这个应用(编写程序的名字)的所有权限:
这样接收短信就没什么问题了,然后在manifest文件里面加上android.permission.RECEIVE_SMS权限就可以正常的收短信。但是对于发短信还是有问题,只加android.permission.SEND_SMS这个权限,并不能正常的发短信,通过adb logcat抓取手机里面的log可以看到还少了一项权限:android.permission.READ_PHONE_STATE,原因是发短信也是要读取手机本身的状态的。加上这个权限就可以愉快的发短信了。
主要源码如下:
只有一个源文件MainActivity.java
public class MainActivity extends Activity {
private TextView tv_from;
private TextView tv_content;
private MessageReceiver messageReceiver;
private EditText et_send_number;
private EditText et_send_content;
private SendStatusReceiver sendStatusReceiver;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv_from = (TextView) findViewById(R.id.tv_from);
tv_content = (TextView) findViewById(R.id.tv_content);
et_send_number = (EditText) findViewById(R.id.et_send_number);
et_send_content = (EditText) findViewById(R.id.et_send_content);
// 动态注册短信广播接收者
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction("android.provider.Telephony.SMS_RECEIVED");
messageReceiver = new MessageReceiver();
registerReceiver(messageReceiver, intentFilter);
// 注册发送状态监听广播接收者
IntentFilter intentFilter2 = new IntentFilter();
intentFilter2.addAction("SEND_SMS_ACTION");
sendStatusReceiver = new SendStatusReceiver();
registerReceiver(sendStatusReceiver, intentFilter2);
}
public void click_send(View v) {
String sendNumber = et_send_number.getText().toString();
String sendContent = et_send_content.getText().toString();
SmsManager smsManager = SmsManager.getDefault();
Intent sendIntent = new Intent("SEND_SMS_ACTION");
PendingIntent pendingIntent = PendingIntent.getBroadcast(
getApplicationContext(), 0, sendIntent, 0);
// 发送短信
smsManager.sendTextMessage(sendNumber, null, sendContent,
pendingIntent, null);
}
@Override
protected void onDestroy() {
super.onDestroy();
unregisterReceiver(messageReceiver);
unregisterReceiver(sendStatusReceiver);
}
class MessageReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Bundle bundle = intent.getExtras();
Object[] pdus = (Object[]) bundle.get("pdus");
SmsMessage[] message = new SmsMessage[pdus.length];
for (int i = 0; i < message.length; ++i) {
message[i] = SmsMessage.createFromPdu((byte[]) pdus[i]);
}
String originatingAddress = message[0].getOriginatingAddress();
String fullMessage = new String();
for (SmsMessage smsMessage : message) {
fullMessage += smsMessage.getMessageBody();
}
tv_from.setText(originatingAddress);
tv_content.setText(fullMessage);
}
}
class SendStatusReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context arg0, Intent arg1) {
if (getResultCode() == RESULT_OK) {
// 短信发送成功
Toast.makeText(arg0, "send successful", Toast.LENGTH_SHORT)
.show();
} else {
Toast.makeText(arg0, "send fail", Toast.LENGTH_SHORT).show();
}
}
}
}
manifest文件清单:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.message"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="17"
android:targetSdkVersion="21" />
<uses-permission android:name="android.permission.RECEIVE_SMS" />
<uses-permission android:name="android.permission.SEND_SMS" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".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>
</application>
</manifest>