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POUsing android internal API's and getting null value
 

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  1. POUsing android internal API's and getting null value
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    <p>I am using com.android.internal.telephony classes, They are Call.java, CallManager.java and Connetion.java. For these classes click on below links. <a href="http://hi-android.info/src/com/android/internal/telephony/Call.java.html" rel="nofollow">Call.java</a>, <a href="http://hi-android.info/src/com/android/internal/telephony/CallManager.java.html" rel="nofollow">CallManager.java</a> and <a href="http://hi-android.info/src/com/android/internal/telephony/Connection.java.html" rel="nofollow">Connection.java</a>. I created subclasses for Call.java and Connection.java like as follows : </p> <pre><code> Call call = new MyCall(); Connection conn = new MyConnection(); </code></pre> <p>The subclass of Call.java is as follows:</p> <pre><code>public class MyCall extends Call{ CallManager cm = CallManager.getInstance(); MyCall fgCall; private final ArrayList&lt;Connection&gt; emptyConnections = new ArrayList&lt;Connection&gt;(); @Override public List&lt;Connection&gt; getConnections() { fgCall = (MyCall) cm.getActiveFgCall(); System.out.println("**inside getConnections="+fgCall); if ( fgCall != null) { return fgCall.getConnections(); } return emptyConnections; } @Override public Phone getPhone() { // TODO Auto-generated method stub return null; } @Override public void hangup() throws CallStateException { // TODO Auto-generated method stub } @Override public boolean isMultiparty() { // TODO Auto-generated method stub return false; } public Connection getEarliestConnection() { List l; long time = Long.MAX_VALUE; Connection c; Connection earliest = null; l = getConnections(); if (l == null) { return null; }else if ( l.size() == 0) { return null; } for (int i = 0, s = l.size() ; i &lt; s ; i++) { c = (Connection) l.get(i); long t; t = c.getCreateTime(); if (t &lt; time) { earliest = c; time = t; } } return earliest; } } </code></pre> <p>I called CallManager.java is as follows:</p> <pre><code>CallManager cm = CallManager.getInstance(); </code></pre> <p>Bcoz this is an 'final' modifier class I called like this. My another class is CallUpdate.java. In this class I called getEarliestConnection() and DisconnectCause methods of Call and Connection classes respectively. Is as follows: </p> <pre><code> public Object getCallFailedString(){ myConn = myCall.getEarliestConnection(); System.out.println("myConn is ******"+myConn); System.out.println("myCall is ******"+myCall); if(myConn == null){ System.out.println("myConn is null ******"); return null; } else { Connection.DisconnectCause cause = myConn.getDisconnectCause(); System.out.println("myconn is not null ******"+cause); } </code></pre> <p>But I am getting connection is null i.e only If part is getting executed not else part. For this I called getActivefgCall from CallManger like this: </p> <pre><code>public List&lt;Connection&gt; getConnections() { fgCall = (MyCall) cm.getActiveFgCall(); System.out.println("**inside getConnections="+fgCall); if ( fgCall != null) { return fgCall.getConnections(); } return emptyConnections; } </code></pre> <p>But still I am getting null value of FgCall and same in <code>getCallFailedString</code> method also. I want to get execute else part of <code>getCallFailedString</code> method. How to resolve this problem help me. Thx in advance</p>
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    1. USDmitry Zaytsev
    1. USasma
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    1. CONo one have any idea on this ???
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    2. COPlz anybody help me to resolve this problem ???
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      1. USasma
 

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