獲取手機狀態:
import android.content.Context;
import android.telephony.TelephonyManager;
//獲得相應的系統服務
TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
/**
* 返回電話狀態
*
* CALL_STATE_IDLE 無任何狀態時
* CALL_STATE_OFFHOOK 接起電話時
* CALL_STATE_RINGING 電話進來時
*/
tm.getCallState();
if(tm.getCallState() == TelephonyManager.CALL_STATE_IDLE) {
Log.d("test", "call state idle...");
} else if(tm.getCallState() == TelephonyManager.CALL_STATE_OFFHOOK) {
Log.d("test", "call state offhook...");
} else if(tm.getCallState() == TelephonyManager.CALL_STATE_RINGING) {
Log.d("test", "call state ringing...");
}
//獲得相應的系統服務
TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
//使用TelephonyManager對象的listen(PhoneStateListener listener, int events)
//實現PhoneStateListener listener並實現相應的方法
public class MyPhoneCallListener extends PhoneStateListener
{
@Override
public void onCallStateChanged(int state, String incomingNumber)
{
switch (state) {
case TelephonyManager.CALL_STATE_OFFHOOK: //電話通話的狀態
Toast.makeText(Main.this, "正在通話...", Toast.LENGTH_SHORT).show();
break;
case TelephonyManager.CALL_STATE_RINGING: //電話響鈴的狀態
Toast.makeText(Main.this, incomingNumber, Toast.LENGTH_SHORT).show();
break;
}
super.onCallStateChanged(state, incomingNumber);
}
第一個參數需要實現PhoneStateListener listener並實現相應的方法,第二個參數是PhoneStateListener的靜態常量,此處由於是監聽電話狀態,所以需要傳入LISTEN_CALL_STATE,而同時也需要在AndroidManifest中註冊相應的權限
<uses-permission android:name="android.permission.READ_PHONE_STATE" />