我絕對有在Android應用程序設計中的體驗。我的一位朋友要我嘗試爲他們的應用創建一個功能,這就是我過去一週一直在努力做的事情。我需要做的第一件事是添加背景圖片(完成)添加一些文本(完成),並添加一個按鈕,打開菜單(問題)。在不添加按鈕的情況下,我可以在Android Studio的內置模擬器中運行應用程序,但即時添加button/imageButton應用程序崩潰。在這一點上,我甚至沒有試圖讓按鈕調出菜單,這是另一天。所有我試圖做的是讓按鈕不會崩潰的應用程序。我一直在看整個互聯網上的教程,文檔,甚至在堆棧溢出,但我無法找到任何東西。添加按鈕時應用程序崩潰 - Android
現在我還沒有開始使用Java代碼,我只使用XML代碼(見下文)。我將發佈錯誤消息(來自android監視器功能的消息),然後我將發佈我的設備在工作室中的外觀以及模擬器上顯示的消息的圖像。如果有人可以請幫助我,我會非常感激。
07-17 21:38:05.700 4273-4273/com.example.android.postvu E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.android.postvu, PID: 4273
java.lang.RuntimeException: Canvas: trying to draw too large(110250000bytes) bitmap.
at android.view.DisplayListCanvas.throwIfCannotDraw(DisplayListCanvas.java:260)
at android.graphics.Canvas.drawBitmap(Canvas.java:1415)
at android.graphics.drawable.BitmapDrawable.draw(BitmapDrawable.java:545)
at android.view.View.getDrawableRenderNode(View.java:17314)
at android.view.View.drawBackground(View.java:17250)
at android.view.View.draw(View.java:17062)
at android.view.View.updateDisplayListIfDirty(View.java:16053)
at android.view.View.draw(View.java:16837)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.updateDisplayListIfDirty(View.java:16048)
at android.view.View.draw(View.java:16837)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.support.design.widget.CoordinatorLayout.drawChild(CoordinatorLayout.java:1228)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.updateDisplayListIfDirty(View.java:16048)
at android.view.View.draw(View.java:16837)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.updateDisplayListIfDirty(View.java:16048)
at android.view.View.draw(View.java:16837)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.updateDisplayListIfDirty(View.java:16048)
at android.view.View.draw(View.java:16837)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.updateDisplayListIfDirty(View.java:16048)
at android.view.View.draw(View.java:16837)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.updateDisplayListIfDirty(View.java:16048)
at android.view.View.draw(View.java:16837)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.draw(View.java:17074)
at com.android.internal.policy.DecorView.draw(DecorView.java:751)
at android.view.View.updateDisplayListIfDirty(View.java:16053)
at android.view.ThreadedRenderer.updateViewTreeDisplayList(ThreadedRenderer.java:656)
at android.view.ThreadedRenderer.updateRootDisplayList(ThreadedRenderer.java:662)
at android.view.ThreadedRenderer.draw(ThreadedRenderer.java:770)
at android.view.ViewRootImpl.draw(ViewRootImpl.java:2796)
at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2604)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2211)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1246)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6301)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:871)
at android.view.Choreographer.doCallbacks(Choreographer.java:683)
at android.view.Choreographer.doFrame(Choreographer.java:619)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:857)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:756)
這是我的XML代碼:
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:showIn="@layout/activity_main"
tools:context="com.example.android.postvu.MainActivity">
<ImageView
android:id="@+id/imageView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:contentDescription="@string/background"
android:scaleType="centerCrop"
android:src="@drawable/grid" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/image_view_editor"
android:textSize="28sp"
android:textStyle="bold"
android:textColor="@android:color/black"
android:id="@+id/textView"
android:layout_marginLeft="8dp"
app:layout_constraintLeft_toLeftOf="parent"
android:layout_marginRight="8dp"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:layout_marginTop="8dp" />
<Button
android:layout_width="50dp"
android:layout_height="50dp"
android:background="@drawable/logo_black"
android:scaleType="centerCrop"
android:layout_marginLeft="8dp"
app:layout_constraintLeft_toLeftOf="parent"
android:layout_marginRight="8dp"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
android:layout_marginBottom="8dp"
android:layout_marginTop="8dp"
app:layout_constraintTop_toBottomOf="@+id/textView"
app:layout_constraintVertical_bias="0.98" />
圖像#1(在Android Studio中)
圖像#2(在模擬器)