Android：在运行时更改列表视图的Textview大小

我正在尝试更改我的活动的ListView中使用的TextView的文本大小。但它在运行时显示错误。Android：在运行时更改列表视图的Textview大小

我的动态

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 

    settings(); 

    // Check Full Screen 
    if (Fullscreen_Sett == true) { 
     // hide statusbar of Android 
     getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 
       WindowManager.LayoutParams.FLAG_FULLSCREEN); 
    } 
    // Content View 
    setContentView(R.layout.tutoriallist_layout); 

    // Backlight ON/OFF 
    if (Backlight_Sett == true) { 
     getWindow() 
       .addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 
    } 

    // ActionBar 
    ActionBar ActionBar = getSupportActionBar(); 
    ActionBar.setTitle("Tutorials"); 
    ActionBar.setDisplayHomeAsUpEnabled(true); 
    ActionBar.setHomeButtonEnabled(true); 

    // load the animation 
    animfade_in = AnimationUtils.loadAnimation(getApplicationContext(), 
      R.anim.fade_in); 
    animfade_out = AnimationUtils.loadAnimation(getApplicationContext(), 
      R.anim.fade_out); 
    // *********load the animation 

    // ***********Set TextSize Of List 
    TextView tv = (TextView)findViewById(R.id.tutoriallist_text_ID); 
    tv.setTextAppearance(getApplicationContext(), android.R.style.TextAppearance_Small); 


    // Strings 
    final String[] TutorialArray = getResources().getStringArray(
      R.array.Tutorial_Array); 
    // List View Import 
    lv = (ListView) findViewById(R.id.tutorial_listview); 

    // Adding items to listview 
    adapter = new ArrayAdapter<String>(this, R.layout.tutoriallist_text, 
      R.id.tutoriallist_text_ID, TutorialArray); 

    lv.setAdapter(adapter); 

    if (Animation_Sett == true) { 
     // Check Animation 
     lv.startAnimation(animfade_in); 
    } 
    lv.setOnItemClickListener(new OnItemClickListener() { 
     @Override 
     public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, 
       long arg3) { 
      // TODO Auto-generated method stub 
      if (arg2 == 0) { 
       Toast.makeText(getApplicationContext(), "Tutorial", 
         Toast.LENGTH_SHORT).show(); 

      } 

     } 

    }); 

}

我的XML文件：

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:orientation="vertical" > 
    <TextView 
     android:id="@+id/tutoriallist_text_ID" 
     android:layout_width="fill_parent" 
     android:layout_height="wrap_content" 
     android:background="@drawable/tutorialliststyle" 
     android:gravity="center" 
     android:lines="2" 
     android:textColor="#000000" 
     android:textStyle="bold" 
     android:textSize="20sp" 
     android:typeface="monospace" /> 


</LinearLayout>

LOG CAT：

08-01 11:10:34.744: E/AndroidRuntime(3826): FATAL EXCEPTION: main 
08-01 11:10:34.744: E/AndroidRuntime(3826): android.content.res.Resources$NotFoundException: Resource ID #0x7f060038 type #0x12 is not valid 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.content.res.Resources.loadXmlResourceParser(Resources.java:2144) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.content.res.Resources.getLayout(Resources.java:853) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.LayoutInflater.inflate(LayoutInflater.java:394) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:371) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.ArrayAdapter.getView(ArrayAdapter.java:362) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.AbsListView.obtainView(AbsListView.java:2159) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.ListView.measureHeightOfChildren(ListView.java:1246) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.ListView.onMeasure(ListView.java:1158) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.View.measure(View.java:15513) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4827) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.LinearLayout.measureVertical(LinearLayout.java:695) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.LinearLayout.onMeasure(LinearLayout.java:588) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.View.measure(View.java:15513) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4827) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.View.measure(View.java:15513) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.LinearLayout.measureVertical(LinearLayout.java:847) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.LinearLayout.onMeasure(LinearLayout.java:588) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.View.measure(View.java:15513) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4827) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2176) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.View.measure(View.java:15513) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1874) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1089) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1265) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:989) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4351) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.Choreographer.doCallbacks(Choreographer.java:562) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.Choreographer.doFrame(Choreographer.java:532) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.os.Handler.handleCallback(Handler.java:725) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.os.Handler.dispatchMessage(Handler.java:92) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.os.Looper.loop(Looper.java:137) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at android.app.ActivityThread.main(ActivityThread.java:5039) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at java.lang.reflect.Method.invokeNative(Native Method) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at java.lang.reflect.Method.invoke(Method.java:511) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) 
08-01 11:10:34.744: E/AndroidRuntime(3826):  at dalvik.system.NativeStart.main(Native Method)

说明：我试过tv.settextsize（）等等。但它仍然是相同的错误...

来源

2013-08-01 VINAY DANARADDI

安置自己的堆栈跟踪 – Tarun

它显示了哪些错误或异常？Logcat Plz –

更新logcat/stacktrace –

可以帮助您：

好友我想你是因为你使用setContentView(R.layout.tutoriallist_layout);作为主布局

，并试图实例化TextView其中一个变量得到这个问题是另一个叫：R.layout.tutoriallist_text

像：

TextView tv = (TextView)findViewById(R.id.tutoriallist_text_ID); 
    tv.setTextAppearance(getApplicationContext(), android.R.style.TextAppearance_Small);

删除那些行，并尝试设置TextView的属性layout itself ...

编辑：

评论这两条线，然后再试一次：

// ***********Set TextSize Of List 
    TextView tv = (TextView)findViewById(R.id.tutoriallist_text_ID); 
    tv.setTextAppearance(getApplicationContext(), android.R.style.TextAppearance_Small);

编辑1：

这是你应该如何创建一个自定义适配器：

public class CustomAdapter extends ArrayAdapter<String>{ 

    Context context;

int layoutResourceId;
ArrayList data = null;

public WeatherAdapter(Context context, int layoutResourceId, Weather[] data) { 
    super(context, layoutResourceId, data); 
    this.layoutResourceId = layoutResourceId; 
    this.context = context; 
    this.data = data; 
} 

@Override 
public View getView(int position, View convertView, ViewGroup parent) { 
    View row = convertView; 
    WeatherHolder holder = null; 

    if(row == null) 
    { 
     LayoutInflater inflater = ((Activity)context).getLayoutInflater(); 
     row = inflater.inflate(layoutResourceId, parent, false); 

    } 
    else 
    { 
     row = counterView; 
    } 

    TextView tv = (TextView)row.findViewById(R.id.tutoriallist_text_ID); 

    tv.setTextAppearance(context, android.R.style.TextAppearance_Small); 
    tv.setTextSize(specify size that you want); 

    tv.setText(data.getIndex(position)); 

    return row; 


    } 

}

并改变这一行你MyActivity：

// Adding items to listview 
    CustomAdapter adapter = new CustomAdapter(this, R.layout.tutoriallist_text, TutorialArray);

来源

2013-08-01 11:49:28

主要布局tutoriallist_layout有列表视图，并使用tutoriallist_text在列表视图，即使用的TextView，tutoriallist_text_ID 我以前用这个方法仍然得到错误:( –

你在'R.layout.tutoriallist_text'布局的textview中使用'R.id.tutoriallist_text_ID'，所以尝试对这些行进行注释，然后再次尝试buddy .... –

哪一行应该评论bro？Sorry，I am a a新手我不明白你我想在运行时根据用户更改文本大小 –

保持一个类变量，您可以更改：

adapter = new ArrayAdapter<String>(this, R.layout.tutoriallist_text, 
      R.id.tutoriallist_text_ID, TutorialArray){ 
     @Override 
     public View getView(int position, View convertView, ViewGroup parent) { 

      View v = super.getView(position, convertView, parent); 

      TextView tv = v.findViewById(R.id.tutoriallist_text_ID); 
      tv.setTextSize(textSize); 

      return v; 
     } 
};

更改文字大小有：通过适配器返回

private flot textSize = 15;

阿尔特意见

textSize = 20; 
adapter.notifyDatsetChanged();

来源

2013-08-01 11:34:12

它显示在Eclipse的智能感知错误示值误差兄弟@ SD –

Android：在运行时更改列表视图的Textview大小

回答

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