Android 对uimode 进行监听
时间: 2023-07-31 21:06:50 浏览: 61
要在Android中监听uimode(用户界面模式)的变化,你可以使用以下步骤:
1. 创建一个BroadcastReceiver类,用于接收系统发送的uimode变化广播。例如:
```java
public class UIModeReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(Intent.ACTION_CONFIGURATION_CHANGED)) {
int currentMode = context.getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
// 在这里处理uimode变化的逻辑
}
}
}
```
2. 在AndroidManifest.xml文件中注册BroadcastReceiver。在`<application>`标签内,添加以下代码:
```xml
<receiver android:name=".UIModeReceiver">
<intent-filter>
<action android:name="android.intent.action.CONFIGURATION_CHANGED" />
</intent-filter>
</receiver>
```
3. 在需要监听uimode的Activity或Fragment中,注册和注销BroadcastReceiver。例如,在Activity的`onResume()`和`onPause()`方法中添加以下代码:
```java
public class MainActivity extends AppCompatActivity {
private UIModeReceiver uimodeReceiver;
@Override
protected void onResume() {
super.onResume();
if (uimodeReceiver == null) {
uimodeReceiver = new UIModeReceiver();
IntentFilter filter = new IntentFilter(Intent.ACTION_CONFIGURATION_CHANGED);
registerReceiver(uimodeReceiver, filter);
}
}
@Override
protected void onPause() {
super.onPause();
if (uimodeReceiver != null) {
unregisterReceiver(uimodeReceiver);
uimodeReceiver = null;
}
}
}
```
通过以上步骤,你就可以在Android中监听uimode的变化,并在BroadcastReceiver的`onReceive()`方法中处理相应的逻辑。