Android系统中是否有一种方法可以检测软件(也就是Android。“软”)键盘在屏幕上可见吗?
当前回答
所以,在花了很长一段时间摆弄accesessibilityservices、窗口嵌入、屏幕高度检测等之后,我想我找到了一种方法来做到这一点。
免责声明:它在Android中使用了一个隐藏的方法,这意味着它可能不一致。然而,在我的测试中,它似乎有效。
该方法是InputMethodManager#getInputMethodWindowVisibleHeight(),它自Lollipop(5.0)以来就存在了。
调用它将返回当前键盘的高度(以像素为单位)。理论上,键盘不应该是0像素高,所以我做了一个简单的高度检查(在Kotlin中):
val imm by lazy { context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager }
if (imm.inputMethodWindowVisibleHeight > 0) {
//keyboard is shown
else {
//keyboard is hidden
}
当我调用隐藏方法时,我使用Android隐藏API来避免反射(我为我开发的应用程序做了很多,这些应用程序主要是hack /tuner应用程序),但这应该也是可能的反射:
val imm by lazy { context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager }
val windowHeightMethod = InputMethodManager::class.java.getMethod("getInputMethodWindowVisibleHeight")
val height = windowHeightMethod.invoke(imm) as Int
//use the height val in your logic
其他回答
这是如何在一个片段中使用软键盘状态监听器(适用于API 21及以上)
private var currentWindowInsets: WindowInsetsCompat = WindowInsetsCompat.Builder().build()
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
setWindowInsetsAnimationCallback(requireView().rootView, object : Callback(DISPATCH_MODE_CONTINUE_ON_SUBTREE) {
override fun onProgress(insets: WindowInsetsCompat, runningAnimations: MutableList<WindowInsetsAnimationCompat>): WindowInsetsCompat {
currentWindowInsets = insets
return insets
}
override fun onEnd(animation: WindowInsetsAnimationCompat) {
super.onEnd(animation)
val keyboardIsVisible = currentWindowInsets.isVisible(WindowInsetsCompat.Type.ime())
if (keyboardIsVisible) { //do your stuff }
}
})
}
你可以参考这个答案- https://stackoverflow.com/a/24105062/3629912
每次都很管用。
adb shell dumpsys window InputMethod | grep "mHasSurface"
如果软件键盘可见,它将返回true。
非常容易
1. 把id放在根视图上
rootView只是一个视图指向我的根视图在这种情况下,一个相对布局:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/addresses_confirm_root_view"
android:background="@color/WHITE_CLR">
2. 在Activity中初始化根视图:
RelativeLayout rootView = (RelativeLayout) findViewById(R.id.addresses_confirm_root_view);
3.使用getViewTreeObserver()检测键盘是否打开或关闭
rootView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
int heightDiff = rootView.getRootView().getHeight() - rootView.getHeight();
if (heightDiff > 100) { // Value should be less than keyboard's height
Log.e("MyActivity", "keyboard opened");
} else {
Log.e("MyActivity", "keyboard closed");
}
}
});
A可能会使用:
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
Log.d(
getClass().getSimpleName(),
String.format("conf: %s", newConfig));
if (newConfig.hardKeyboardHidden != hardKeyboardHidden) {
onHardwareKeyboardChange(newConfig.hardKeyboardHidden);
hardKeyboardHidden = newConfig.hardKeyboardHidden;
}
if (newConfig.keyboardHidden != keyboardHidden) {
onKeyboardChange(newConfig.keyboardHidden);
keyboardHidden = newConfig.hardKeyboardHidden;
}
}
public static final int KEYBOARDHIDDEN_UNDEFINED = 0;
public static final int KEYBOARDHIDDEN_NO = 1;
public static final int KEYBOARDHIDDEN_YES = 2;
public static final int KEYBOARDHIDDEN_SOFT = 3;
//todo
private void onKeyboardChange(int keyboardHidden) {
}
//todo
private void onHardwareKeyboardChange(int hardKeyboardHidden) {
}
试试这个:
InputMethodManager imm = (InputMethodManager) getActivity()
.getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm.isAcceptingText()) {
writeToLog("Software Keyboard was shown");
} else {
writeToLog("Software Keyboard was not shown");
}
推荐文章
- 警告:API ' variable . getjavacompile()'已过时,已被' variable . getjavacompileprovider()'取代
- 安装APK时出现错误
- 碎片中的onCreateOptionsMenu
- TextView粗体通过XML文件?
- 如何使线性布局的孩子之间的空间?
- DSL元素android.dataBinding。enabled'已过时,已被'android.buildFeatures.dataBinding'取代
- ConstraintLayout:以编程方式更改约束
- PANIC: AVD系统路径损坏。检查ANDROID_SDK_ROOT值
- 如何生成字符串类型的buildConfigField
- Recyclerview不调用onCreateViewHolder
- Android API 21工具栏填充
- Android L中不支持操作栏导航模式
- 如何在TextView中添加一个子弹符号?
- PreferenceManager getDefaultSharedPreferences在Android Q中已弃用
- 在Android Studio中创建aar文件