在Android上组合位图

Question

我想将两个位图组合在一起。但是，它无法合并 2 张超过 1600X1200 的图像。有人可以帮我解决这个问题吗？有人告诉我，它可以扩大应用程序的已用内存。 这是错误日志

> 10-26 12:07:16.492: ERROR/AndroidRuntime(3221): java.lang.OutOfMemoryError: bitmap size exceeds VM budget
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at android.graphics.Bitmap.nativeCreate(Native Method)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at android.graphics.Bitmap.createBitmap(Bitmap.java:468)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at android.graphics.Bitmap.createBitmap(Bitmap.java:423)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at android.graphics.Bitmap.createBitmap(Bitmap.java:374)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at com.org.testing.TestingActivity.crop(TestingActivity.java:102)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at com.org.testing.TestingActivity.access$0(TestingActivity.java:97)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at com.org.testing.TestingActivity$2.onClick(TestingActivity.java:54)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at android.view.View.performClick(View.java:2428)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at android.view.View$PerformClick.run(View.java:8939)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at android.os.Handler.handleCallback(Handler.java:587)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at android.os.Handler.dispatchMessage(Handler.java:92)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at android.os.Looper.loop(Looper.java:123)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at android.app.ActivityThread.main(ActivityThread.java:4668)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at java.lang.reflect.Method.invokeNative(Native Method)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at java.lang.reflect.Method.invoke(Method.java:521)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:878)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:636)
10-26 12:07:16.492: ERROR/AndroidRuntime(3221):     at dalvik.system.NativeStart.main(Native Method)

Answer 1

您有三个选择：

1. 缩小图像。有 16 MB 堆限制
2. 使用 ndk 执行此操作，此限制不适用
3. 在服务器端执行此操作。