自我LV1

這是TQC的305題，

程式碼為自行撰寫，

僅供參考。

 

主要練習電話接聽監控

注意:AndroidManifest.xml

<uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>

 

 

 

package COM.TQC.GDD03;

import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract.PhoneLookup;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.widget.TextView;
import android.widget.Toast;

public class GDD03 extends Activity
{
  private TextView myTextView1;

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    
    findview();
    
   //運用PhoneStateListener監聽電話狀態
    //運用PhoneStateListener監聽電話狀態
    //電話狀態的Listener
    exPhoneCallListener myPhoneStateListener = new exPhoneCallListener();
    //取得TelephonyManager
    TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
    //將電話狀態的Listener加到取得TelephonyManager
    telephonyManager.listen(myPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
  }

  public void findview()
  {
	  myTextView1=(TextView)findViewById(R.id.textView1); 
  }
  
  public class exPhoneCallListener extends PhoneStateListener
  {
    
    public void onCallStateChanged(int state, String incomingNumber)
    {
       switch (state)
       {
           
         //電話狀態是閒置的
         case TelephonyManager.CALL_STATE_IDLE:
             break;
         //電話狀態是接起的
         case TelephonyManager.CALL_STATE_OFFHOOK:
             Toast.makeText(GDD03.this, "正接起電話…", Toast.LENGTH_LONG).show();
             getContactPeople(incomingNumber);
             break;
         //電話狀態是響起的
         case TelephonyManager.CALL_STATE_RINGING:
             Toast.makeText(GDD03.this, incomingNumber + "正打電話來…", Toast.LENGTH_LONG).show();
             break;
         default:
             break;
      }
      super.onCallStateChanged(state, incomingNumber);
    }
  }

  private void getContactPeople(String incomingNumber)
  {
    myTextView1.setTextColor(Color.BLUE);
    ContentResolver contentResolver = getContentResolver();
    Cursor cursor = null;

    
    String[] projection = new String[]
    { PhoneLookup._ID, PhoneLookup.DISPLAY_NAME, PhoneLookup.LOOKUP_KEY};

    
    
    Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(incomingNumber));
    cursor = contentResolver.query(uri, projection, PhoneLookup.NUMBER + "?", new String[] {incomingNumber}, null);
    
    if (cursor.getCount() == 0)
    {
      myTextView1.setText("unknown Number:" + incomingNumber);
    } else if (cursor.getCount() > 0)
    {
      cursor.moveToFirst();
      
      String name = cursor.getString(1);
      myTextView1.setText(name + ":" + incomingNumber);
    }

  }
}

 

 

自我LV~