当我按下“下一步”,用户编辑文本的焦点必须移动到密码。然后,从Password,它必须向右移动,依此类推。你能告诉我怎么编码吗?
<LinearLayout
android:id="@+id/LinearLayout01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<TextView
android:id="@+id/username"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="User Name*" />
<EditText
android:id="@+id/txt_User"
android:layout_width="290dp"
android:layout_height="33dp"
android:singleLine="true" />
</LinearLayout>
<LinearLayout
android:id="@+id/LinearLayout02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<TextView
android:id="@+id/password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Password*" />
<EditText
android:id="@+id/txt_Password"
android:layout_width="290dp"
android:layout_height="33dp"
android:singleLine="true"
android:password="true" />
<TextView
android:id="@+id/confirm"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Password*" />
<EditText
android:id="@+id/txt_Confirm"
android:layout_width="290dp"
android:layout_height="33dp"
android:singleLine="true"
android:password="true" />
</LinearLayout>
如果你在滚动视图中有元素,那么你也可以解决这个问题:
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/ed_password"
android:inputType="textPassword"
android:focusable="true"
android:imeOptions="actionNext"
android:nextFocusDown="@id/ed_confirmPassword" />
在你的活动中:
edPassword.setOnEditorActionListener(new EditText.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_NEXT) {
focusOnView(scroll,edConfirmPassword);
return true;
}
return false;
}
});
public void focusOnView(ScrollView scrollView, EditText viewToScrollTo){
scrollView.post(new Runnable() {
@Override
public void run() {
scrollView.smoothScrollTo(0, viewToScrollTo.getBottom());
viewToScrollTo.requestFocus();
}
});
}
在你的onEditorAction处理程序中,请记住,你必须返回一个布尔值,表明你是在处理动作(true),还是你应用了一些逻辑并想要正常的行为(false),如下例所示:
EditText te = ...
te.setOnEditorActionListener(new OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event){
if (actionId == EditorInfo.IME_ACTION_NEXT) {
// Some logic here.
return true; // Focus will do whatever you put in the logic.
}
return false; // Focus will change according to the actionId
}
});
我发现这当我返回真执行我的逻辑,因为焦点没有移动。
如果你在滚动视图中有元素,那么你也可以解决这个问题:
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/ed_password"
android:inputType="textPassword"
android:focusable="true"
android:imeOptions="actionNext"
android:nextFocusDown="@id/ed_confirmPassword" />
在你的活动中:
edPassword.setOnEditorActionListener(new EditText.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_NEXT) {
focusOnView(scroll,edConfirmPassword);
return true;
}
return false;
}
});
public void focusOnView(ScrollView scrollView, EditText viewToScrollTo){
scrollView.post(new Runnable() {
@Override
public void run() {
scrollView.smoothScrollTo(0, viewToScrollTo.getBottom());
viewToScrollTo.requestFocus();
}
});
}