Android: Increase heap size

http://discuz-android.blogspot.com/2009/06/android-java-space-oom.html
http://groups.google.com/group/android-framework/browse_thread/thread/eab352568e331170

Default is 16MB.
If it is not enough, modify
frameworks/base/core/jni/AndroidRuntime.cpp
or
dalvik/vm/Init.c

Take this solution as the last try, focus on your coding quality first.