Android中的Viewflipper始終無法翻轉

Question

我有兩個視圖（廣告），當一個廣告網絡沒有廣告顯示視圖應該翻轉成admob作爲備份。第一個看法是inmobi（不確定這是否有任何相關性）。如果我通過在視圖上投放測試廣告來迫使inmobi廣告失敗，將翻轉並顯示admob廣告，但是當實時廣告開啓時，即使收到失敗的廣告回調，視圖也不會翻轉。請幫忙。

@Override 
public void adRequestFailed(InMobiAdView arg0) { 
    // TODO Auto-generated method stub 
    Log.v("","inmobi ad request failed"); 

    // Initiate a generic request to load it with an ad 
    loadAdmob(); 
    ViewFlipper vf = (ViewFlipper) findViewById(R.id.ads); 

    vf.showNext(); 
} 

private void loadAdmob() { 

    AdView adView = new AdView(this, AdSize.BANNER, "xxxxxxxxxxx"); 

    LinearLayout layout = (LinearLayout) findViewById(R.id.mainLayout); 
    // Add the adView to it 
    layout.addView(adView); 
    adView.loadAd(new AdRequest()); 

} 

和XML

<ViewFlipper android:id="@+id/ads" 
    android:layout_width="320dip" 
    android:layout_height="50dip"> 

    <LinearLayout 
      android:orientation="vertical" 
     android:layout_width="fill_parent" 
     android:layout_height="fill_parent" 
     > 
    <com.inmobi.androidsdk.impl.InMobiAdView 
    android:layout_width="fill_parent" android:layout_height="fill_parent" 
    android:id = "@+id/adview" 
    /> 
    </LinearLayout> 


    <LinearLayout 
    android:orientation="vertical" 
    android:layout_height="fill_parent" 
    android:layout_width="fill_parent" 
    android:layout_gravity="center" 
    android:id="@+id/mainLayout" ></LinearLayout> 

    </ViewFlipper> 

Answer 1

我沒有看到這個問題呢。但是如果你需要在佈局之間翻轉，我可以提供我自己的代碼如何使用翻轉功能。首先，您應該在res.layout文件夾中創建未來佈局的單獨頁面，如page_1.xml。

<LinearLayout 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    android:background="@color/GreenColor" 
    > 
    <TextView 
     android:layout_width="fill_parent" 
     android:layout_height="fill_parent" 
     android:gravity="center" 
     android:text="1" 
     android:textSize="120dip"> 
    </TextView> 
</LinearLayout> 

你做了之後，描述一個main.xml中文件包括外部XML的網頁：

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:orientation="vertical" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    > 
<ViewFlipper android:id="@+id/ViewFlipper01" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    > 
    <include android:id="@+id/libraryView1" layout="@layout/page_1" /> 
    <include android:id="@+id/libraryView2" layout="@layout/page_2" /> 
    <include android:id="@+id/libraryView3" layout="@layout/page_3" /> 
</ViewFlipper> 
</RelativeLayout> 

比類文件，不要忘記申報VF =（ViewFlipper）findViewById（ R.id.ViewFlipper01）; 你應該下一步覆蓋的onTouchEvent來計算新的座標並顯示翻頁的動畫：

@Override 
    public boolean onTouchEvent(MotionEvent touchevent) { 
     switch (touchevent.getAction()) 
     { 
      case MotionEvent.ACTION_DOWN: 
      { 
       oldTouchValueX = touchevent.getX(); 
       oldTouchValueY = touchevent.getY(); 
       break; 
      } 
      case MotionEvent.ACTION_UP: 
      { 
       //if(this.searchOk==false) return false; 
       float currentX = touchevent.getX(); 
       float currentY = touchevent.getY(); 

       float deltaX = getAbs(oldTouchValueX - currentX); 
       float deltaY = getAbs(oldTouchValueY - currentY); 

       if (deltaX >= deltaY) 
       { 
        if (oldTouchValueX < currentX) 
        { 
         vf.setInAnimation(inFromLeftAnimation()); 
         vf.setOutAnimation(outToRightAnimation()); 
         vf.showNext(); 
        } 
        if (oldTouchValueX > currentX) 
        { 
         vf.setInAnimation(inFromRightAnimation()); 
         vf.setOutAnimation(outToLeftAnimation()); 
         vf.showPrevious(); 
        } 
       } //if deltaX 
       else 
        { 
        if (oldTouchValueY < currentY) 
        { 
         vf.setInAnimation(inFromUpAnimation()); 
         vf.setOutAnimation(outToDownAnimation()); 
         vf.showNext(); 

        } 
        if (oldTouchValueY > currentY) 
        { 
         vf.setInAnimation(inFromDownAnimation()); 
         vf.setOutAnimation(outToUpAnimation()); 
         vf.showPrevious(); 
        } 
       } //Else 
      break; 
      } 
     } 
     return false; 
    } 

，最後一個 - 描述了在的onTouchEvent提到動畫的方法：

public static Animation inFromRightAnimation() 
{ 
    Animation inFromRight = new TranslateAnimation(
    Animation.RELATIVE_TO_PARENT, +1.0f, Animation.RELATIVE_TO_PARENT, 0.0f, 
    Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f 
    ); 
    inFromRight.setDuration(350); 
    inFromRight.setInterpolator(new AccelerateInterpolator()); 
    return inFromRight; 
} 

public static Animation outToLeftAnimation() 
{ 
    Animation outtoLeft = new TranslateAnimation(
    Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, -1.0f, 
    Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f 
    ); 
    outtoLeft.setDuration(350); 
    outtoLeft.setInterpolator(new AccelerateInterpolator()); 
    return outtoLeft; 
} 

寫類似其餘的進/出翻轉方向。