我正在尝试设置 PhoneStateListener
但我得到一个 PhoneCallListener cannot be resolved to a type
。
public class ButtonView extends FrameLayout {
PhoneCallListener phoneListener = new PhoneCallListener();
TelephonyManager telephonyManager = (TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);
telephonyManager.listen(phoneListener,PhoneStateListener.LISTEN_CALL_STATE);
}
在另一个例子中,我发现它是这样写的并且它正在工作
public class MainActivity extends Activity {
public void onCreate(Bundle savedInstanceState) {
// add PhoneStateListener
PhoneCallListener phoneListener = new PhoneCallListener();
TelephonyManager telephonyManager = (TelephonyManager) this
.getSystemService(Context.TELEPHONY_SERVICE);
telephonyManager.listen(phoneListener,PhoneStateListener.LISTEN_CALL_STATE);
}
我应该在我的代码中更改什么才能使其正常工作?
最佳答案
您必须创建一个接收器来接听电话。
为此,请将其添加到您的 manifest.xml 中:
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<receiver android:name=".ServiceReceiver">
<intent-filter>
<action android:name="android.intent.action.PHONE_STATE" />
</intent-filter>
</receiver>
并创建这些类:
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.webkit.WebView;
public class MyPhoneStateListener extends PhoneStateListener {
public static Boolean phoneRinging = false;
public void onCallStateChanged(int state, String incomingNumber) {
switch (state) {
case TelephonyManager.CALL_STATE_IDLE:
Log.d("DEBUG", "IDLE");
phoneRinging = false;
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
Log.d("DEBUG", "OFFHOOK");
phoneRinging = false;
break;
case TelephonyManager.CALL_STATE_RINGING:
Log.d("DEBUG", "RINGING");
phoneRinging = true;
break;
}
}
}
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
public class ServiceReceiver extends BroadcastReceiver {
TelephonyManager telephony;
public void onReceive(Context context, Intent intent) {
MyPhoneStateListener phoneListener = new MyPhoneStateListener();
telephony = (TelephonyManager) context
.getSystemService(Context.TELEPHONY_SERVICE);
telephony.listen(phoneListener, PhoneStateListener.LISTEN_CALL_STATE);
}
public void onDestroy() {
telephony.listen(null, PhoneStateListener.LISTEN_NONE);
}
}
关于android - 添加 PhoneStateListener,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13395633/