要判断Android中WhatsApp通话是否被拒绝或没有被拒绝,你需要使用Android的权限管理系统和广播接收器。
首先,在你的AndroidManifest.xml文件中,确保你已经声明了必要的权限:
然后,在你的代码中,你可以注册一个广播接收器来接收来电状态的变化,并在接收到广播时判断WhatsApp通话是否被拒绝:
public class CallReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(TelephonyManager.ACTION_PHONE_STATE_CHANGED)) {
String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);
if (state.equals(TelephonyManager.EXTRA_STATE_IDLE)) {
// 电话空闲状态,通话已结束或未接听
if (isWhatsAppCallRejected(context)) {
// WhatsApp通话被拒绝
} else {
// WhatsApp通话未被拒绝
}
} else if (state.equals(TelephonyManager.EXTRA_STATE_RINGING)) {
// 电话响铃状态,有电话呼入
// 在这里可以记录WhatsApp通话是否被拒绝
}
}
}
private boolean isWhatsAppCallRejected(Context context) {
// 使用ContentResolver查询通话记录数据库
String[] projection = new String[]{
CallLog.Calls.NUMBER,
CallLog.Calls.TYPE
};
String selection = CallLog.Calls.TYPE + " = ? AND " + CallLog.Calls.NUMBER + " = ?";
String[] selectionArgs = new String[]{
String.valueOf(CallLog.Calls.OUTGOING_TYPE),
"WhatsApp"
};
String sortOrder = CallLog.Calls.DATE + " DESC";
Cursor cursor = context.getContentResolver().query(
CallLog.Calls.CONTENT_URI,
projection,
selection,
selectionArgs,
sortOrder
);
if (cursor != null && cursor.moveToFirst()) {
// 遍历通话记录,判断是否有已拨出的WhatsApp通话
do {
String number = cursor.getString(cursor.getColumnIndex(CallLog.Calls.NUMBER));
if (number.equals("WhatsApp")) {
// 找到已拨出的WhatsApp通话
cursor.close();
return true;
}
} while (cursor.moveToNext());
}
if (cursor != null) {
cursor.close();
}
return false;
}
}
最后,在你的MainActivity中注册广播接收器,并在需要的时候注销广播接收器:
public class MainActivity extends AppCompatActivity {
private CallReceiver callReceiver;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
callReceiver = new CallReceiver();
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED);
registerReceiver(callReceiver, intentFilter);
}
@Override
protected void onDestroy() {
super.onDestroy();
unregisterReceiver(callReceiver);
}
}
这样,你就可以在接收到来电状态变化的广播时判断WhatsApp通话是否被拒绝或没有被拒绝。