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我試圖在一個活動中保存未接呼叫的計數,並在另一個活動中讀取它們。 月1日活動:使用sharedpreferences保存並增加呼叫
public class CallReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(
TelephonyManager.EXTRA_STATE_IDLE)
|| intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(
TelephonyManager.EXTRA_STATE_OFFHOOK)) {
// get the phone number
String incomingNumber = intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER);
// This code will execute when the call is disconnected
Toast.makeText(context, "missed call number " + incomingNumber, Toast.LENGTH_SHORT).show();
SharedPreferences s = context.getSharedPreferences("s" ,Context.MODE_PRIVATE);
SharedPreferences.Editor e = s.edit();
int count= s.getInt("counter" , 1);
e.putInt("counter",count++);
e.commit();
}
}
在工作的敬酒,我知道來電者的號碼,但我不能保存的計數和在2個活動閱讀:
SharedPreferences s = getSharedPreferences("s" ,Context.MODE_PRIVATE);
int calls = s.getInt("counter" , 0);
謝謝你的工作! –