目标
为活动/片段传递图像(它占据屏幕的四分之一,因此它非常大)。
我试图做什么
而不是绕过BitMaps,我被研究/建议传递图像Uri。问题是,每当我点击将启动HomeDescActivity
的“预览按钮”时,就会出现Out of Memory Exception
。
GalleryFragment
public class GalleryFragment extends Fragment {
private static final int SELECT_PICTURE = 1;
public static final String IMAGE_URI_ARRAY_LIST = "IMAGE_URI_ARRAY_LIST";
private ArrayList<String> mImageUriArrayList = new ArrayList<>();
RecyclerView recyclerView;
GalleryAdapter galleryAdapter;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.profile_tab_become_a_host_set_the_scene_gallery_fragment, container, false);
return view;
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
//convert string uri to uri object
Uri imageUri = Uri.parse(getArguments().getString(PhotoFragment.IMAGE_URI));
recyclerView = (RecyclerView) view.findViewById(R.id.recyclerView);
galleryAdapter = new GalleryAdapter();
galleryAdapter.addImage(imageUri);
mImageUriArrayList.add(imageUri.toString());
GridLayoutManager gridLayoutManager = new GridLayoutManager(getActivity(), 2);
recyclerView.setLayoutManager(gridLayoutManager);
view.findViewById(R.id.ivAddPhoto).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
//Launch Gallery
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent,
"Select Picture"), SELECT_PICTURE);
}
});
view.findViewById(R.id.bPreview).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getContext(), HomeDescActivity.class);
intent.putStringArrayListExtra(IMAGE_URI_ARRAY_LIST, mImageUriArrayList);
startActivity(intent);
}
});
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
if (requestCode == SELECT_PICTURE) {
//get selected image from gallery
Uri imageUri = data.getData();
galleryAdapter.addImage(imageUri);
mImageUriArrayList.add(imageUri.toString());
//refresh adapter
recyclerView.setAdapter(galleryAdapter);
}
}
}
}
HomeDescActivity(启动时会导致Out of Memory异常)
public class HomeDescActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.explore_tab_home_desc_activity);
HomeDescFragment homeDescFragment = new HomeDescFragment();
// Get images (uri) from GalleryFragment + PhotoFragment
if(getIntent().getExtras().getStringArrayList(GalleryFragment.IMAGE_URI_ARRAY_LIST) != null){
Bundle bundle = new Bundle();
bundle.putStringArrayList(GalleryFragment.IMAGE_URI_ARRAY_LIST,
getIntent().getExtras().getStringArrayList(GalleryFragment.IMAGE_URI_ARRAY_LIST));
homeDescFragment.setArguments(bundle);
getSupportFragmentManager().beginTransaction().replace(R.id.rootLayout, homeDescFragment).commit();
}
}
}
HomeDescFragment
public class HomeDescFragment extends Fragment {
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.explore_tab_home_desc_fragment, container, false);
return view;
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
//convert strng uri to uri object
if(getArguments().getStringArrayList(GalleryFragment.IMAGE_URI_ARRAY_LIST) != null){
ArrayList<String> uriArrayList = getArguments().getStringArrayList(GalleryFragment.IMAGE_URI_ARRAY_LIST);
ImageView ivHomePhoto = (ImageView) view.findViewById(R.id.ivHomePhoto);
for(String uriString : uriArrayList){
ivHomePhoto.setImageURI(Uri.parse(uriString));
}
}
}
}
更新
堆栈跟踪
android.teamtreehouse.com.airbnb E / AndroidRuntime:FATAL EXCEPTION:main进程:googleplayservices.samples.android.teamtreehouse.com.airbnb,PID:12434 java.lang.OutOfMemoryError:无法分配带有13482248个空闲字节的207360012字节分配在android.graphics.BitmapFactory.decodeResourceStream的android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:609)上的android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)中的dalvik.system.VMRuntime.newNonMovableArray(Native Method)中的OOM直到OOM 76MB (BitmapFactory.java:444)位于android.content.res.Resources的android.content.res.Resources.loadDrawableForCookie(Resources.java:2474)的android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:988)。 android.widget.ImageView。(ImageView.java:146)的android.content.res.TypedArray.getDrawable(TypedArray.java:749)中的loadDrawable(Resources.java:2381)。(ImageView.java) :135)在android.support.v7.widget.AppCompatImageView。(AppCompatI mageView.java:57)位于android.support.v7上的android.support.v7.widget.AppCompatImageView。(AppCompatImageView.java:53)android.support.v7.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:106)。 android.support.v7.app.AppCompatDelegateImplV9.onCreateView(AppCompatDelegateImplV9.java:1072)上的app.AppCompatDelegateImplV9.createView(AppCompatDelegateImplV9.java:1013)位于android.support.v4.view.LayoutInflaterCompatHC $ FactoryWrapperHC.onCreateView(LayoutInflaterCompatHC.java: 47)在Android.view.LayoutInflater.rInflate(LayoutInflater.java:806)的android.view.LayoutInflater $ FactoryMerger.onCreateView(LayoutInflater.java:180)android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:725) Android.view.LayoutInflater中的android.view.LayoutInflater.rInflate(LayoutInflater.java:809)android.view.LayoutInflater.rInflate(LayoutInflater.java:809)android.view.LayoutInflater.rInflate(LayoutInflater.java:809) .rInflate(LayoutInflater.java:809)在android.view.LayoutInfl ater.inflate(LayoutInflater.java:504)位于googleplayservices.samples.android.teamtreehouse.com.airbnb.ExploreTab.HomeDescFragment $ override.onCreateView(HomeDescFragment.java)的android.view.LayoutInflater.inflate(LayoutInflater.java:414) 29)在googleplayservices.samples.android.teamtreehouse.com.airbnb.ExploreTab.HomeDescFragment $ override.access $ dispatch(HomeDescFragment.java)googleplayservices.samples.android.teamtreehouse.com.airbnb.ExploreTab.HomeDescFragment.onCreateView(HomeDescFragment。 java:0)在android.support.v4.app.Fragment.performCreateView(Fragment.java:2189)的android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1299)android.support.v4.app上的android.support.v4.app.Fragment.performCreateView(Fragment.java:2189)在android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1595)的android.sumentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1528),android.support.v4.app.BackStackRecord.executeOps(BackStackRecord.java:757)at android.support.v4.app.FragmentManagerImpl.executeOps(FragmentMan ager.java:2355)在android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2146)的android.support.v4.app.FragmentManagerImpl.optimizeAndExecuteOps(FragmentManager.java:2098)android.support.v4位于android.support.v4.app.FragmentManager上的.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2008)android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:607) )在Android.app.Activity.performStart(Activity.java:6006)的android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1236)上的android.support.v7.app.AppCompatActivity.onStart(AppCompatActivity.java:178)在Android.app.A活动中的android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288)以及android.app.A活动中的android.app.A活动。事件(ActivityThread.java:1517)上的android.app.ActivityThread.access $ 800(ActivityThread.java:151) .ActivityThread $ H.handleMessage(ActivityThread.java:1303)在android.os.Handler.disp atchMessage(Handler.java:102)
向我们展示堆栈跟踪。
向我们提供有关导致异常的图像的详细信息,它的宽度和高度是多少,需要多少内存?
我猜你正试图加载一个像6000x6000那样愚蠢的高分辨率图像,导致异常,但没有更多的信息,我不能多说。
您应该使用像“Glide”这样的库来为您加载图像,因为如果图像太大,它会向用户显示缩小图像。使用最少的内存来处理图像也非常有效。