Phone Call Activity : Activity « UI « Android

1. Android
2. UI
3. Activity

Phone Call Activity

     

package app.test;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.View;
import android.widget.TextView;

public class PhoneCallActivity extends Activity {
    private TextView tv = null;
    private String logText = "";
    private TelephonyManager teleMgr = null;
    private MyPhoneStateListener myListener = null;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        tv = (TextView)findViewById(R.id.textView);

        teleMgr = 
                (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
        myListener = new MyPhoneStateListener();
    }
    
    @Override
    public void onResume() {
      super.onResume();
        teleMgr.listen(myListener, PhoneStateListener.LISTEN_CALL_STATE);
    }
    
    @Override
    public void onPause() {
      super.onPause();
        teleMgr.listen(myListener, PhoneStateListener.LISTEN_NONE);
    }
    
    public void doClick(View target) {
        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("tel:1235551212"));
        startActivity(intent);
    }
    
    public class MyPhoneStateListener extends PhoneStateListener
    {
        @Override
        public void onCallStateChanged(int state, String incomingNumber) {
            super.onCallStateChanged(state, incomingNumber);

            switch(state)
            {
                case TelephonyManager.CALL_STATE_IDLE:
                    logText = "call state idle...incoming number is["+
                                incomingNumber+"]\n" + logText;
                    break;
                case TelephonyManager.CALL_STATE_RINGING:
                  logText = "call state ringing...incoming number is["+
                                incomingNumber+"]\n" + logText;
                    break;
                case TelephonyManager.CALL_STATE_OFFHOOK:
                  logText = "call state Offhook...incoming number is["+
                                incomingNumber+"]\n" + logText;
                    break;
                default:
                  logText = "call state ["+state+"]incoming number is["+
                                incomingNumber+"]\n" + logText;
                    break;
            }
            tv.setText(logText);
        }
    }
}
//main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<Button
    android:id="@+id/callBtn"
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="@string/btn"
    android:onClick="doClick"
    />
<TextView
    android:id="@+id/textView"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    />    
</LinearLayout>

   
    
    
    
    
  

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