你好,我正在製作一個拼圖遊戲應用程序,爲此我有16個使用height = width = 240的大比例位圖製作較小的位圖。現在我必須動態顯示這些位圖一次只能執行一項活動。我試過的代碼無法正常工作,因爲它在一行中顯示所有圖像,圖像尺寸太小。下面是代碼:如何在Android中動態創建大量的imageView
public void display()
{
float x =0;
float y = 0;
LinearLayout llMain = new LinearLayout(this);
for(int i=0;i<3;i++)
{
LinearLayout llRow = new LinearLayout(this);
for(int j=0;j<tiles.length/4;j++)
{
ImageView iv = new ImageView(this);
iv.setImageBitmap(tiles[j]);// get bitmap from image path
iv.setX(x);
iv.setY(y);
x = y = x + 60;
llRow.addView(iv);
}
llMain.addView(llRow);
}
setContentView(llMain);
}
}
這裏是logcat的:
01-05 00:32:35.820: D/dalvikvm(11346): GC_EXTERNAL_ALLOC freed 47K, 52% free 2599K/5379K, external 1990K/2108K, paused 135ms
01-05 00:32:44.183: D/dalvikvm(11346): GC_EXTERNAL_ALLOC freed 43K, 50% free 2739K/5379K, external 2477K/2527K, paused 18ms
01-05 00:32:45.156: I/dalvikvm(11346): Could not find method android.widget.ImageView.setX, referenced from method com.maju.jigsawpuzzle.PlayBoard.display
01-05 00:32:45.156: W/dalvikvm(11346): VFY: unable to resolve virtual method 3236: Landroid/widget/ImageView;.setX (F)V
01-05 00:32:45.156: D/dalvikvm(11346): VFY: replacing opcode 0x6e at 0x002e
01-05 00:32:45.156: D/dalvikvm(11346): VFY: dead code 0x0031-003e in Lcom/maju/jigsawpuzzle/PlayBoard;.display()V
01-05 00:32:45.179: D/AndroidRuntime(11346): Shutting down VM
01-05 00:32:45.179: W/dalvikvm(11346): threadid=1: thread exiting with uncaught exception (group=0x40015578)
01-05 00:32:45.187: E/AndroidRuntime(11346): FATAL EXCEPTION: main
01-05 00:32:45.187: E/AndroidRuntime(11346): java.lang.NoSuchMethodError: android.widget.ImageView.setX
01-05 00:32:45.187: E/AndroidRuntime(11346): at com.maju.jigsawpuzzle.PlayBoard.display(PlayBoard.java:164)
01-05 00:32:45.187: E/AndroidRuntime(11346): at com.maju.jigsawpuzzle.PlayBoard.shuffleArray(PlayBoard.java:143)
01-05 00:32:45.187: E/AndroidRuntime(11346): at com.maju.jigsawpuzzle.PlayBoard.breakImage(PlayBoard.java:123)
01-05 00:32:45.187: E/AndroidRuntime(11346): at com.maju.jigsawpuzzle.PlayBoard.onCreate(PlayBoard.java:40)
01-05 00:32:45.187: E/AndroidRuntime(11346): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
01-05 00:32:45.187: E/AndroidRuntime(11346): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
01-05 00:32:45.187: E/AndroidRuntime(11346): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
01-05 00:32:45.187: E/AndroidRuntime(11346): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
01-05 00:32:45.187: E/AndroidRuntime(11346): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
01-05 00:32:45.187: E/AndroidRuntime(11346): at android.os.Handler.dispatchMessage(Handler.java:99)
01-05 00:32:45.187: E/AndroidRuntime(11346): at android.os.Looper.loop(Looper.java:123)
01-05 00:32:45.187: E/AndroidRuntime(11346): at android.app.ActivityThread.main(ActivityThread.java:3687)
01-05 00:32:45.187: E/AndroidRuntime(11346): at java.lang.reflect.Method.invokeNative(Native Method)
01-05 00:32:45.187: E/AndroidRuntime(11346): at java.lang.reflect.Method.invoke(Method.java:507)
01-05 00:32:45.187: E/AndroidRuntime(11346): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
01-05 00:32:45.187: E/AndroidRuntime(11346): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
01-05 00:32:45.187: E/AndroidRuntime(11346): at dalvik.system.NativeStart.main(Native Method)
164行是行:
iv.setX(X);
有沒有人知道解決方案?而且我與他們註冊的onClick ......在advancce
你在運行這個API級別是什麼?僅在API級別11中添加了setX()。 – CloudyMusic
With 8但是當編譯器要求我這樣做時,我提到了@TargetApi(11) –
僅僅因爲你瞄準的是更高的API並不意味着它可以運行在更低的設備。如果你在11以下的設備上運行這個,你會看到這個運行時錯誤。 – Falmarri