Android Optionsfeld nicht markiert

Question

Ich füge drei Radiobuttons in meiner XML-Datei hinzu. Jedes Optionsfeld befindet sich in einem separaten LinearLayout, aber in demselben XML. Erstens weiß ich nicht, wie man sie zur Radiogruppe hinzufügt, während man sie in separaten LinearLayouts hält. Zweitens schrieb ich den folgenden Code, um nur einen Radiobutton zu überprüfen. Aber das funktioniert nicht. Bitte lassen Sie mich wissen, wie ich vorgehen soll und ob es eine bessere Lösung gibt. Hier ist der Code.

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); 
      } 
     } 
    }); 
} 

Hier ist die XML-Datei

<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> 

ich den Code bearbeitet und Ihren Code eingefügt, aber wenn ich den Code lief gab es unerwartete Ergebnisse. Ich lege die Druckanweisungen ab und hier ist, was es gedruckt hat. Ich habe einmal auf die Knöpfe von oben geklickt.

Case 1 
Case 1 
Case 2 
Case 2 
Case 1 
Case 2 
Case 3 

Answer 1

Sie können dies tun, indem Umsetzung OnCheckedChangeListener

try Code unten wird es für Arbeit du-

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);    
     } 
    } 
}; 

Answer 2

Verwendung dieses Layout:

<?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> 

dann für die Klicken Sie zuerst auf Listener löschen Sie alle Kontrollkästchen für die Radiogruppe

//reference radiogroup ID from layout file 
radiogroup.clearCheck(); 

Setup ein checkedchange Hörer für Radiogroup

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 
      } 

     } 

    }); 

Sie Feuer Hörer auf radiobutton programetically kann ..

rb = (RadioButton) view.findViewById(R.id.a); 
rb.setChecked(true); 

Answer 3

Try this:

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);    
     } 
    } 
}; 

dies @ Amit antworte ich gerade r eplaced R.id.onExit mit R.id.radiolockimmediately in onCheckedChanged

(kann ich nicht kommentieren, so hatte ich eine neue Antwort schreiben)