[英]How to know if the call is not received in Android
In TelephonyManager class there is a constant to know if the call is ringing(CALL_STATE_RINGING), is there a similar constant to know if the call is not received? 在TelephonyManager类中有一个常量来知道呼叫是否正在振铃(CALL_STATE_RINGING),是否有类似的常量来知道是否未接收到呼叫? I am using below code to perform a task when call is ringing but I want the task to run only when user does not pick up the call. 我正在使用下面的代码在呼叫振铃时执行任务,但我希望任务仅在用户不接听电话时运行。
if (state.equals(TelephonyManager.EXTRA_STATE_RINGING)) {
Log.v("ranjith", "Entered in callstatelistener");
Have a try with it: 尝试一下:
In your Manifest.xml : 在你的Manifest.xml中 :
<!-- declare the permission -->
<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" >
<!-- Register your Broadcast receiver -->
<receiver android:name=".CallReceiver" android:enabled="true">
<intent-filter>
<action android:name="android.intent.action.PHONE_STATE" />
</intent-filter>
</receiver>
</application>
And in your receiver class: 在你的接收器类:
public class CallReceiver extends BroadcastReceiver {
static boolean isRinging = false;
static boolean isCallReceived = false;
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
// Get the current Phone State
String phoneState = intent.getStringExtra(TelephonyManager.EXTRA_STATE);
if(phoneState == null)
return;
// If phone is "Rininging"
if(phoneState.equals(TelephonyManager.EXTRA_STATE_RINGING))
{
isRinging = true;
}
// If an incoming call is received
if(phoneState.equals(TelephonyManager.EXTRA_STATE_OFFHOOK))
{
isCallReceived = true;
}
// if phone is idle
if (phoneState.equals(TelephonyManager.EXTRA_STATE_IDLE)){
// detect call not received
if(isRinging == true && isCallReceived == false){
Toast.makeText(context, "Call was not received!", Toast.LENGTH_LONG).show();
}
}
}
} }
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