我无法从变量中绘制位图。当我加注它时，我的应用程序崩溃了。
public class krou extends View {
public static int Width = aktivita.width;
public static int Height = aktivita.height;
final Paint mMalovani;
public static Bitmap mBitmap;
public static Bitmap rc;
public void draw(Canvas canvas) {
Paint p = new Paint();
p.setColor(Color.RED);
int ods = (Height - Width) / 2;
Bitmap imageOne = BitmapFactory.decodeResource(getResources(), R.drawable.ri50_z);
Bitmap ImageTwo = BitmapFactory.decodeResource(getResources(), R.drawable.ri50);
rc = ImageTwo;
Bitmap scaledBitmap = Bitmap.createScaledBitmap(rc, Width, Width, true);
Rect dstRectForRender = new Rect(0, odstup, Width, Width + ods);
canvas.drawBitmap(scaledBitmap, null, dstRectForRender, null);
如果我不使用rc变量，并且我只使用imageOne或ImageTwo，则一切正常。
感谢您的建议。
我的LogCat：
09-01 19:29:16.197: E/dalvikvm-heap(1472): Out of memory on a 5760016-byte allocation.
09-01 19:29:16.197: I/dalvikvm(1472): "main" prio=5 tid=1 RUNNABLE
09-01 19:29:16.197: I/dalvikvm(1472): | group="main" sCount=0 dsCount=0 obj=0x40a729a0 self=0x2a00bba8
09-01 19:29:16.197: I/dalvikvm(1472): | sysTid=1472 nice=0 sched=0/0 cgrp=apps handle=1073849308
09-01 19:29:16.207: I/dalvikvm(1472): | state=R schedstat=( 3712781811 1124880434 230 ) utm=328 stm=43 core=0
09-01 19:29:16.207: I/dalvikvm(1472): at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
09-01 19:29:16.207: I/dalvikvm(1472): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:502)
09-01 19:29:16.207: I/dalvikvm(1472): at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:355)
09-01 19:29:16.207: I/dalvikvm(1472): at android.graphics.BitmapFactory.decodeResource(BitmapFactory.java:378)
09-01 19:29:16.207: I/dalvikvm(1472): at android.graphics.BitmapFactory.decodeResource(BitmapFactory.java:408)
09-01 19:29:16.207: I/dalvikvm(1472): at org.vkedco.mobappdev.draw_touch_drive_00001.krouzky.draw(krouzky.java:71)
09-01 19:29:16.217: I/dalvikvm(1472): at android.view.View.draw(View.java:13596)
09-01 19:29:16.217: I/dalvikvm(1472): at android.view.ViewGroup.drawChild(ViewGroup.java:2928)
09-01 19:29:16.217: I/dalvikvm(1472): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2797)
09-01 19:29:16.217: I/dalvikvm(1472): at android.view.View.draw(View.java:13715)
09-01 19:29:16.217: I/dalvikvm(1472): at android.view.View.draw(View.java:13596)
09-01 19:29:16.217: I/dalvikvm(1472): at android.view.ViewGroup.drawChild(ViewGroup.java:2928)
09-01 19:29:16.217: I/dalvikvm(1472): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2797)
09-01 19:29:16.217: I/dalvikvm(1472): at android.view.View.draw(View.java:13594)
09-01 19:29:16.227: I/dalvikvm(1472): at android.view.ViewGroup.drawChild(ViewGroup.java:2928)
09-01 19:29:16.227: I/dalvikvm(1472): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2797)
09-01 19:29:16.237: I/dalvikvm(1472): at android.view.View.draw(View.java:13594)
09-01 19:29:16.237: I/dalvikvm(1472): at android.view.ViewGroup.drawChild(ViewGroup.java:2928)
09-01 19:29:16.237: I/dalvikvm(1472): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2797)
09-01 19:29:16.237: I/dalvikvm(1472): at android.view.View.draw(View.java:13715)
09-01 19:29:16.237: I/dalvikvm(1472): at android.widget.FrameLayout.draw(FrameLayout.java:467)
09-01 19:29:16.237: I/dalvikvm(1472): at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:2211)
09-01 19:29:16.237: I/dalvikvm(1472): at android.view.ViewRootImpl.drawSoftware(ViewRootImpl.java:2281)
09-01 19:29:16.237: I/dalvikvm(1472): at android.view.ViewRootImpl.draw(ViewRootImpl.java:2177)
09-01 19:29:16.237: I/dalvikvm(1472): at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2045)
09-01 19:29:16.248: I/dalvikvm(1472): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1854)
09-01 19:29:16.248: I/dalvikvm(1472): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:989)
09-01 19:29:16.248: I/dalvikvm(1472): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4351)
09-01 19:29:16.248: I/dalvikvm(1472): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)
09-01 19:29:16.248: I/dalvikvm(1472): at android.view.Choreographer.doCallbacks(Choreographer.java:562)
09-01 19:29:16.248: I/dalvikvm(1472): at android.view.Choreographer.doFrame(Choreographer.java:532)
09-01 19:29:16.248: I/dalvikvm(1472): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)
09-01 19:29:16.248: I/dalvikvm(1472): at android.os.Handler.handleCallback(Handler.java:725)
09-01 19:29:16.248: I/dalvikvm(1472): at android.os.Handler.dispatchMessage(Handler.java:92)
09-01 19:29:16.248: I/dalvikvm(1472): at android.os.Looper.loop(Looper.java:137)
09-01 19:29:16.248: I/dalvikvm(1472): at android.app.ActivityThread.main(ActivityThread.java:5041)
09-01 19:29:16.248: I/dalvikvm(1472): at java.lang.reflect.Method.invokeNative(Native Method)
09-01 19:29:16.248: I/dalvikvm(1472): at java.lang.reflect.Method.invoke(Method.java:511)
09-01 19:29:16.248: I/dalvikvm(1472): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
09-01 19:29:16.248: I/dalvikvm(1472): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
09-01 19:29:16.248: I/dalvikvm(1472): at dalvik.system.NativeStart.main(Native Method)
09-01 19:29:16.267: D/skia(1472): --- allocation failed for scaled bitmap
09-01 19:29:16.267: D/AndroidRuntime(1472): Shutting down VM
09-01 19:29:16.298: W/dalvikvm(1472): threadid=1: thread exiting with uncaught exception (group=0x40a71930)
09-01 19:29:16.348: E/AndroidRuntime(1472): FATAL EXCEPTION: main
09-01 19:29:16.348: E/AndroidRuntime(1472): java.lang.OutOfMemoryError
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:502)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:355)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.graphics.BitmapFactory.decodeResource(BitmapFactory.java:378)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.graphics.BitmapFactory.decodeResource(BitmapFactory.java:408)
09-01 19:29:16.348: E/AndroidRuntime(1472): at org.vkedco.mobappdev.draw_touch_drive_00001.krouzky.draw(krouzky.java:71)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.View.draw(View.java:13596)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewGroup.drawChild(ViewGroup.java:2928)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2797)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.View.draw(View.java:13715)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.View.draw(View.java:13596)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewGroup.drawChild(ViewGroup.java:2928)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2797)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.View.draw(View.java:13594)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewGroup.drawChild(ViewGroup.java:2928)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2797)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.View.draw(View.java:13594)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewGroup.drawChild(ViewGroup.java:2928)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2797)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.View.draw(View.java:13715)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.widget.FrameLayout.draw(FrameLayout.java:467)
09-01 19:29:16.348: E/AndroidRuntime(1472): at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:2211)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewRootImpl.drawSoftware(ViewRootImpl.java:2281)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewRootImpl.draw(ViewRootImpl.java:2177)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2045)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1854)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:989)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4351)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.Choreographer.doCallbacks(Choreographer.java:562)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.Choreographer.doFrame(Choreographer.java:532)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.os.Handler.handleCallback(Handler.java:725)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.os.Handler.dispatchMessage(Handler.java:92)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.os.Looper.loop(Looper.java:137)
09-01 19:29:16.348: E/AndroidRuntime(1472): at android.app.ActivityThread.main(ActivityThread.java:5041)
09-01 19:29:16.348: E/AndroidRuntime(1472): at java.lang.reflect.Method.invokeNative(Native Method)
09-01 19:29:16.348: E/AndroidRuntime(1472): at java.lang.reflect.Method.invoke(Method.java:511)
09-01 19:29:16.348: E/AndroidRuntime(1472): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
09-01 19:29:16.348: E/AndroidRuntime(1472): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
09-01 19:29:16.348: E/AndroidRuntime(1472): at dalvik.system.NativeStart.main(Native Method)
09-01 19:29:24.396: I/Process(1472): Sending signal. PID: 1472 SIG: 9
答案 0 :(得分：0)
我之前回答过 - Out of memory while creating bitmaps on device
您收到OutOfMemory错误，因为您的位图非常重，他们是over 57MB
通过此方法缩放所有位图 -
Bitmap imageOne = decodeSampledBitmapFromResource(getResources(), R.drawable.ri50_z,height,width);//might be your screen hight and width
方法的实现是 -
public static Bitmap decodeSampledBitmapFromResource(Resources res, int resId,
int reqWidth, int reqHeight) {
// First decode with inJustDecodeBounds=true to check dimensions
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeResource(res, resId, options);
// Calculate inSampleSize
options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);
// Decode bitmap with inSampleSize set
options.inJustDecodeBounds = false;
return BitmapFactory.decodeResource(res, resId, options);
}
public static int calculateInSampleSize(
BitmapFactory.Options options, int reqWidth, int reqHeight) {
// Raw height and width of image
final int height = options.outHeight;
final int width = options.outWidth;
int inSampleSize = 1;
if (height > reqHeight || width > reqWidth) {
// Calculate ratios of height and width to requested height and width
final int heightRatio = Math.round((float) height / (float) reqHeight);
final int widthRatio = Math.round((float) width / (float) reqWidth);
// Choose the smallest ratio as inSampleSize value, this will guarantee
// a final image with both dimensions larger than or equal to the
// requested height and width.
inSampleSize = heightRatio < widthRatio ? heightRatio : widthRatio;
}
return inSampleSize;
}
并缩放你的位图src参考上面的链接 -
这将解决您的问题。