[英]Android Radio Button Not Checked
I am adding three radio buttons in my xml file.我在我的 xml 文件中添加了三个单选按钮。 each radio button is in separate LinearLayout but same xml.
每个单选按钮都在单独的 LinearLayout 但相同的 xml 中。 Firstly i don't know how to add them to radiogroup while keeping them in separate LinearLayouts.
首先,我不知道如何将它们添加到 radiogroup,同时将它们保存在单独的 LinearLayouts 中。 secondly i wrote the following code to check only one radio button.
其次,我编写了以下代码来仅检查一个单选按钮。 But this is not working.
但这是行不通的。 Please let me know how should i proceed and if there is any better solution.
请让我知道我应该如何进行以及是否有更好的解决方案。 Here is the code.
这是代码。
RadioButton screenof;
RadioButton screenof3;
RadioButton onexit;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.settings);
screenof = (RadioButton)findViewById(R.id.radioscreenof);
screenof.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if(!screenof.isChecked())
{
screenof.setChecked(true);
screenof3.setChecked(false);
onexit.setChecked(false);
}
}
});
screenof3 = (RadioButton)findViewById(R.id.radioscreenof3);
screenof3.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if(!screenof3.isChecked())
{
screenof3.setChecked(true);
screenof.setChecked(false);
onexit.setChecked(false);
}
}
});
onexit = (RadioButton)findViewById(R.id.radiolockimmediately);
onexit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if(!onexit.isChecked())
{
screenof3.setChecked(false);
screenof.setChecked(false);
onexit.setChecked(true);
}
}
});
}
Here is the xml file这是xml文件
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_weight="1"
android:background="@color/widgetcolor"
>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_margin="1dp"
android:background="@color/deactiveTexts"
android:clickable="false"
android:layout_weight="1"
>
<TextView
android:text="Lock Mode"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="17dp"
android:layout_weight="1"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_margin="1dp"
android:background="@color/colorAccent"
android:layout_weight="1"
android:id="@+id/lockscreenof"
>
<TextView
android:text="Lock apps at screen off"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/textView2"
android:textSize="17dp"
android:layout_weight="1"
android:textStyle="bold" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radioscreenof"
android:layout_weight="1"
android:paddingRight="30dp"
app:buttonTint="@android:color/holo_green_dark"
android:elevation="0dp"
android:duplicateParentState="false"
android:checked="false"
/>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_margin="1dp"
android:background="@color/colorAccent"
android:layout_weight="1"
android:id="@+id/lockscreenof3"
>
<TextView
android:text="Lock apps after screen of for 3 minutes"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/textView3"
android:textSize="17dp"
android:layout_weight="1"
android:textStyle="bold" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radioscreenof3"
android:layout_weight="1"
android:paddingRight="30dp"
app:buttonTint="@android:color/holo_green_dark" />
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_margin="1dp"
android:background="@color/colorAccent"
android:layout_weight="1"
android:id="@+id/lockimmediately"
>
<TextView
android:text="Lock apps immediately upon exit"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/textView1"
android:textSize="17dp"
android:layout_weight="1"
android:textStyle="bold" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radiolockimmediately"
android:layout_weight="1"
android:paddingRight="30dp"
app:buttonTint="@android:color/holo_green_dark" />
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_margin="1dp"
android:background="@color/colorAccent"
android:id="@+id/passonce"
android:layout_weight="1"
>
<TextView
android:text="Enter password once to unlock all apps"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/textView4"
android:textSize="17dp"
android:layout_weight="1"
android:textStyle="bold" />
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/checkpassonce"
android:layout_weight="1"
android:paddingRight="30dp"
app:buttonTint="@android:color/holo_green_dark" />
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_margin="1dp"
android:background="@color/colorAccent"
android:id="@+id/displayhint"
android:layout_weight="1"
>
<TextView
android:text="Display lock mode hint"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/textView5"
android:textSize="17dp"
android:layout_weight="1"
android:textStyle="bold" />
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/checkhint"
android:layout_weight="1"
android:paddingRight="30dp"
app:buttonTint="@android:color/holo_green_dark"
android:checked="false" />
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_margin="1dp"
android:background="@color/deactiveTexts"
android:clickable="false"
android:layout_weight="1"
>
<TextView
android:text="Password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/textView6"
android:textSize="17dp"
android:layout_weight="1"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_margin="1dp"
android:background="@color/colorAccent"
android:clickable="true"
android:id="@+id/changepass"
android:layout_weight="1"
>
<TextView
android:text="Change password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="17dp"
android:layout_weight="1"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_margin="1dp"
android:background="@color/colorAccent"
android:id="@+id/invisiblepattern"
android:layout_weight="1"
>
<TextView
android:text="Invisible Pattern"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="17dp"
android:layout_weight="1"
android:textStyle="bold" />
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/checkpatinvisible"
android:layout_weight="1"
android:paddingRight="30dp"
app:buttonTint="@android:color/holo_green_dark" />
</LinearLayout>
</LinearLayout>
I edited the code and pasted your code but when i ran the code there were unexpected results.我编辑了代码并粘贴了您的代码,但是当我运行代码时出现了意想不到的结果。 I put the print statements and here is what it printed.
我放了打印语句,这是它打印的内容。 I clicked on the buttons top - down once.
我点击了自上而下的按钮一次。
Case 1
Case 1
Case 2
Case 2
Case 1
Case 2
Case 3
You can do this by implementing OnCheckedChangeListener您可以通过实现OnCheckedChangeListener来做到这一点
try below code it will work for you-试试下面的代码它会为你工作-
screenof= (RadioButton) findViewById(R.id.radioscreenof);
screenof.setOnCheckedChangeListener(quest1);
screenof3= (RadioButton) findViewById(R.id.radioscreenof3);
screenof3.setOnCheckedChangeListener(quest1);
onExit= (RadioButton) findViewById(R.id.radiolockimmediately);
onExit.setOnCheckedChangeListener(quest1);
CompoundButton.OnCheckedChangeListener quest1 = new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
switch (buttonView.getId()) {
case R.id.radioscreenof:
radioscreenof.setChecked(true);
radioscreenof3.setChecked(false);
onnExit.setChecked(false);
break;
case R.id.radioscreenof3:
radioscreenof.setChecked(false);
radioscreenof3.setChecked(true);
onnExit.setChecked(false);
break;
case R.id.onExit:
radioscreenof.setChecked(false);
radioscreenof3.setChecked(false);
onExit.setChecked(true);
}
}
};
use this layout:使用这种布局:
<?xml version="1.0" encoding="utf-8"?>
<RadioGroup
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:gravity="left"
android:layout_margin="25dp"
android:background="#FF0"
android:paddingRight="50dp"
>
<RadioButton
android:id="@+id/radioscreenof"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Lock apps at screen off"
android:onClick="onRadioButtonClicked"
/>
<RadioButton
android:id="@+id/radioscreenof3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Lock apps after screen of for 3 minutes"
android:onClick="onRadioButtonClicked"
/>
<RadioButton
android:id="@+id/radiolockimmediately"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Lock apps immediately upon exit"
android:onClick="onRadioButtonClicked"
/>
</RadioGroup>
then for the click listener first clear all check for the radiogroup然后对于点击侦听器首先清除所有检查无线电组
//reference radiogroup ID from layout file
radiogroup.clearCheck();
setup a checkedchange listener for radiogroup为 radiogroup 设置一个 checkchange 监听器
radiogroup.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
Log.d("chk", "id" + checkedId);
if (checkedId == R.id.a) {
//R.id.a = RadioButton ID in layout
//some code
} else if (checkedId == R.id.b) {
//some code
}
}
});
you can programetically fire listener on radioButton too..您也可以以编程方式在 radioButton 上触发侦听器..
rb = (RadioButton) view.findViewById(R.id.a);
rb.setChecked(true);
Try this:尝试这个:
screenof= (RadioButton) findViewById(R.id.radioscreenof);
screenof.setOnCheckedChangeListener(quest1);
screenof3= (RadioButton) findViewById(R.id.radioscreenof3);
screenof3.setOnCheckedChangeListener(quest1);
onExit= (RadioButton) findViewById(R.id.radiolockimmediately);
onExit.setOnCheckedChangeListener(quest1);
CompoundButton.OnCheckedChangeListener quest1 = new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
switch (buttonView.getId()) {
case R.id.radioscreenof:
radioscreenof.setChecked(true);
radioscreenof3.setChecked(false);
onnExit.setChecked(false);
break;
case R.id.radioscreenof3:
radioscreenof.setChecked(false);
radioscreenof3.setChecked(true);
onnExit.setChecked(false);
break;
case R.id.radiolockimmediately:
radioscreenof.setChecked(false);
radioscreenof3.setChecked(false);
onExit.setChecked(true);
}
}
};
this is @Amit answer I just replaced R.id.onExit with R.id.radiolockimmediately in onCheckedChanged这是@Amit答案,我只是在onCheckedChanged取代R.id.onExit与R.id.radiolockimmediately
(I can't comment so I had to post a new answer) (我无法发表评论,所以我不得不发布一个新答案)
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