普罗蒂普

java.lang.OutOfMemoryError at android.graphics.Bitmap.nativeCreate(Native Method) at android.graphics.Bitmap.createBitmap(Bitmap.java:1122) at android.graphics.Bitmap.createBitmap(Bitmap.java:1080) at android.graphics.Bitmap.createBitmap(Bitmap.java:1030) at android.graphics.Bitmap.createBitmap(Bitmap.java:991) at es.voghdev.pdfviewpager.library.adapter.SimpleBitmapPool.createBitmapAtIndex(SimpleBitmapPool.java:83) at es.voghdev.pdfviewpager.library.adapter.SimpleBitmapPool.getBitmap(SimpleBitmapPool.java:49) at es.voghdev.pdfviewpager.library.adapter.SimpleBitmapPool.get(SimpleBitmapPool.java:59) at es.voghdev.pdfviewpager.library.adapter.PDFPagerAdapter.instantiateItem(PDFPagerAdapter.java:58) at androidx.viewpager.widget.ViewPager.addNewItem(ViewPager.java:1010) at androidx.viewpager.widget.ViewPager.populate(ViewPager.java:1158) at androidx.viewpager.widget.ViewPager.populate(ViewPager.java:1092) at androidx.viewpager.widget.ViewPager.onMeasure(ViewPager.java:1622) at android.view.View.measure(View.java:25790)...

目前主流终端设备都是两个摄像头,如果遇到外挂的摄像头,如何切换?