我想在将layout分成左右两部分,左边是一个自定义的view,可以用来画图。右边可以放一些控件来控制左边的图形运动。应该怎么写layout中的main.xml呢?下面我写了一个,但是运行时出错了。有人可以帮我吗?<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<com.android.tetris.TetrisView
android:id="@+id/Tetris"
android:layout_width="200sp"
android:layout_height="fill_parent">
</com.android.tetris.TetrisView>
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:background="#FFFFFF">
<TextView
android:id="@+id/score"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:textSize="20sp"
android:text="0">
</TextView>
<Button
android:id="@+id/start"
android:layout_below="@id/score"
android:layout_width="50sp"
android:layout_height="wrap_content"
android:textSize="10sp"
android:text="Start">
</Button>
<Button
android:id="@+id/pause"
android:layout_below="@id/start"
android:layout_width="50sp"
android:layout_height="wrap_content"
android:textSize="10sp"
android:text="Pause">
</Button>
</RelativeLayout>
</LinearLayout>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<com.android.tetris.TetrisView
android:id="@+id/Tetris"
android:layout_width="200sp"
android:layout_height="fill_parent">
</com.android.tetris.TetrisView>
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:background="#FFFFFF">
<TextView
android:id="@+id/score"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:textSize="20sp"
android:text="0">
</TextView>
<Button
android:id="@+id/start"
android:layout_below="@id/score"
android:layout_width="50sp"
android:layout_height="wrap_content"
android:textSize="10sp"
android:text="Start">
</Button>
<Button
android:id="@+id/pause"
android:layout_below="@id/start"
android:layout_width="50sp"
android:layout_height="wrap_content"
android:textSize="10sp"
android:text="Pause">
</Button>
</RelativeLayout>
</LinearLayout>
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把LogCat里面的错误信息贴出来看看。
12-07 06:37:41.821: ERROR/AndroidRuntime(860): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.tetris/com.android.tetris.Tetris}: android.view.InflateException: Binary XML file line #7: Error inflating class com.android.tetris.TetrisView
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.os.Handler.dispatchMessage(Handler.java:99)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.os.Looper.loop(Looper.java:123)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.app.ActivityThread.main(ActivityThread.java:4627)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at java.lang.reflect.Method.invokeNative(Native Method)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at java.lang.reflect.Method.invoke(Method.java:521)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at dalvik.system.NativeStart.main(Native Method)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): Caused by: android.view.InflateException: Binary XML file line #7: Error inflating class com.android.tetris.TetrisView
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.view.LayoutInflater.createView(LayoutInflater.java:503)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:565)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.view.LayoutInflater.rInflate(LayoutInflater.java:618)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.view.LayoutInflater.inflate(LayoutInflater.java:407)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:198)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.app.Activity.setContentView(Activity.java:1647)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at com.android.tetris.Tetris.onCreate(Tetris.java:12)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): ... 11 more
12-07 06:37:41.821: ERROR/AndroidRuntime(860): Caused by: java.lang.NoSuchMethodException: TetrisView(Context,AttributeSet)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at java.lang.Class.getMatchingConstructor(Class.java:660)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at java.lang.Class.getConstructor(Class.java:477)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): at android.view.LayoutInflater.createView(LayoutInflater.java:475)
12-07 06:37:41.821: ERROR/AndroidRuntime(860): ... 21 more
12-07 06:37:41.911: WARN/ActivityManager(58): Force finishing activity com.android.tetris/.Tetris
12-07 06:37:42.451: WARN/ActivityManager(58): Activity pause timeout for HistoryRecord{43e2f890 com.android.tetris/.Tetris}
12-07 06:37:44.131: WARN/InputManagerService(58): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@43ef8f68
12-07 06:37:44.561: INFO/Process(860): Sending signal. PID: 860 SIG: 9
12-07 06:37:44.601: INFO/ActivityManager(58): Process com.android.tetris (pid 860) has died.
12-07 06:37:48.950: DEBUG/dalvikvm(261): GC_EXPLICIT freed 44 objects / 2016 bytes in 92ms
12-07 06:37:53.640: WARN/ActivityManager(58): Activity destroy timeout for HistoryRecord{43e2f890 com.android.tetris/.Tetris}
12-07 06:37:53.970: DEBUG/dalvikvm(183): GC_EXPLICIT freed 94 objects / 7752 bytes in 111ms
12-07 06:38:22.863: DEBUG/SntpClient(58): request time failed: java.net.SocketException: Address family not supported by protocol
这个是logcat.
TetrisView view =(TerisView)findViewById(....);
在定义窗口布局文件的时候,设置两个容器
例如说,用表格布局,分成两列,设置一下宽、高。
左边这列设置一个 id
在onCreate 方法被调用时,通过 id 获取容器,再将自定义 View 挂上去。支持我的博客:http://blog.csdn.net/wenlin56
super(context, attrs);
}
super(context);
// TODO Auto-generated constructor stub
}
public Workspace(Context context, AttributeSet attrs) {
super(context, attrs);
}}
第二个构造函数没写就莫名其妙报错没有重写onLayout,ViewGroup包含的View就什么都不会显示