问题描述
我有针对不同条件的多个对话框。当我为一种情况显示对话时,然后我尝试为另一种情况显示另一种对话。它与前一个重叠。
特定场景
我有两个对话。一种用于 wifi 未激活的情况。另一种是当wifi处于活动状态时。假设当我启动应用程序时,wifi 未处于活动状态。所以,它显示了一个对话。然后我打开了wifi。它展示了另一个对话。但是,它与前一个重叠。在下面的屏幕截图中,通过查看对话框的阴影可以清楚地看到。左一是当wifi打开时。然后我关闭了wifi并再次打开。而这种重叠发生了。
Java 代码
private BroadcastReceiver wifiStateReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context,Intent intent) {
int wifiStateExtra = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE,WifiManager.WIFI_STATE_UNKNOWN);
switch (wifiStateExtra) {
case WifiManager.WIFI_STATE_ENABLED:
//WIFI ENABLED
{
info = wifiManager.getConnectionInfo();
if (!info.getSSID().trim().equals(ssid)) {
title = "Connect to Devil";
msg = "In order to work with system you need to be connected with Devil";
builder.setTitle(title);
builder.setMessage(msg);
builder.setPositiveButton("OK",(dialog,which) -> startActivity(WiFiIntent));
builder.setNegativeButton("Close App",((dialog,which) -> finishAffinity()));
alertDialog = builder.create();
alertDialog.show();
alertDialog.setCancelable(false);
}
break;
}
case WifiManager.WIFI_STATE_DISABLED:
//WIFI DISABLED
{
title = "Enable WiFi";
msg = "Please enable wifi and connect to Devil";
builder.setTitle(title);
builder.setMessage(msg);
builder.setPositiveButton("OK",which) -> startActivity(WiFiIntent));
builder.setNegativeButton("Close App",which) -> finishAffinity()));
alertDialog = builder.create();
alertDialog.show();
alertDialog.setCancelable(false);
break;
}
}
}
};
解决方法
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