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21 changes: 21 additions & 0 deletions
21
app/src/main/java/org/mazhuang/guanggoo/topicdetail/viewimage/ViewImageContract.java
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| @@ -0,0 +1,21 @@ | ||
| package org.mazhuang.guanggoo.topicdetail.viewimage; | ||
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| import com.bm.library.PhotoView; | ||
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| import org.mazhuang.guanggoo.base.BasePresenter; | ||
| import org.mazhuang.guanggoo.base.BaseView; | ||
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| /** | ||
| * Created by mazhuang on 2017/11/18. | ||
| */ | ||
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| public interface ViewImageContract { | ||
| interface Presenter extends BasePresenter { | ||
| void saveImage(PhotoView photoViewTemp); | ||
| } | ||
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| interface View extends BaseView<Presenter> { | ||
| void onSaveImageSucceed(); | ||
| void onSaveImageFailed(String msg); | ||
| } | ||
| } |
159 changes: 159 additions & 0 deletions
159
app/src/main/java/org/mazhuang/guanggoo/topicdetail/viewimage/ViewImageFragment.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,159 @@ | ||
| package org.mazhuang.guanggoo.topicdetail.viewimage; | ||
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| import android.Manifest; | ||
| import android.content.pm.PackageManager; | ||
| import android.os.Bundle; | ||
| import android.support.annotation.NonNull; | ||
| import android.support.annotation.Nullable; | ||
| import android.support.v4.app.ActivityCompat; | ||
| import android.text.TextUtils; | ||
| import android.view.LayoutInflater; | ||
| import android.view.Menu; | ||
| import android.view.MenuInflater; | ||
| import android.view.MenuItem; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
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| import com.bm.library.PhotoView; | ||
| import com.bumptech.glide.Glide; | ||
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| import org.mazhuang.guanggoo.R; | ||
| import org.mazhuang.guanggoo.base.BaseFragment; | ||
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| import butterknife.BindView; | ||
| import butterknife.ButterKnife; | ||
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| /** | ||
| * Created by mazhuang on 2017/11/18. | ||
| */ | ||
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| public class ViewImageFragment extends BaseFragment<ViewImageContract.Presenter> implements ViewImageContract.View { | ||
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| @BindView(R.id.image) PhotoView mImageView; | ||
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| private static final int PERMISSIONS_REQUEST_CODE = 100; | ||
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| private static final String[] sPermissions = { | ||
| Manifest.permission.WRITE_EXTERNAL_STORAGE | ||
| }; | ||
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| @Override | ||
| public void onCreate(@Nullable Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
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| initParams(); | ||
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| setHasOptionsMenu(true); | ||
| } | ||
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| @Nullable | ||
| @Override | ||
| public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { | ||
| View root = inflater.inflate(R.layout.fragment_view_image, container, false); | ||
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| ButterKnife.bind(this, root); | ||
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| initPhotoView(); | ||
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| loadImage(); | ||
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| return root; | ||
| } | ||
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| private void initPhotoView() { | ||
| mImageView.enable(); | ||
| } | ||
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| private void loadImage() { | ||
| Glide.with(this) | ||
| .load(mUrl) | ||
| .into(mImageView); | ||
| } | ||
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| @Override | ||
| public String getTitle() { | ||
| if (TextUtils.isEmpty(mTitle)) { | ||
| return getString(R.string.view_image); | ||
| } else { | ||
| return mTitle; | ||
| } | ||
| } | ||
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| @Override | ||
| public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { | ||
| inflater.inflate(R.menu.view_image, menu); | ||
| super.onCreateOptionsMenu(menu, inflater); | ||
| } | ||
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| @Override | ||
| public boolean onOptionsItemSelected(MenuItem item) { | ||
| switch (item.getItemId()) { | ||
| case R.id.action_save: | ||
| boolean isAllPermissionsGranted = true; | ||
| for (String permission : sPermissions) { | ||
| if (ActivityCompat.checkSelfPermission(getContext().getApplicationContext(), permission) != PackageManager.PERMISSION_GRANTED) { | ||
| isAllPermissionsGranted = false; | ||
| break; | ||
| } | ||
| } | ||
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| if (!isAllPermissionsGranted) { | ||
| requestPermissions(sPermissions, PERMISSIONS_REQUEST_CODE); | ||
| } else { | ||
| mPresenter.saveImage(mImageView); | ||
| } | ||
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| return true; | ||
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| default: | ||
| break; | ||
| } | ||
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| return super.onOptionsItemSelected(item); | ||
| } | ||
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| @Override | ||
| public void onSaveImageSucceed() { | ||
| if (getContext() == null) { | ||
| return; | ||
| } | ||
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| toast("保存成功"); | ||
| } | ||
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| @Override | ||
| public void onSaveImageFailed(String msg) { | ||
| if (getContext() == null) { | ||
| return; | ||
| } | ||
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| toast(msg); | ||
| } | ||
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| @Override | ||
| public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { | ||
| if (requestCode == PERMISSIONS_REQUEST_CODE) { | ||
| boolean isAllPermissionsGranted = true; | ||
| if (grantResults.length > 0) { | ||
| for (int grantResult : grantResults) { | ||
| if (grantResult != PackageManager.PERMISSION_GRANTED) { | ||
| isAllPermissionsGranted = false; | ||
| break; | ||
| } | ||
| } | ||
| } else { | ||
| isAllPermissionsGranted = false; | ||
| } | ||
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| if (isAllPermissionsGranted) { | ||
| mPresenter.saveImage(mImageView); | ||
| return; | ||
| } | ||
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| toast("保存图片需要开启读写文件权限，请检查权限设置"); | ||
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| } else { | ||
| super.onRequestPermissionsResult(requestCode, permissions, grantResults); | ||
| } | ||
| } | ||
| } |
60 changes: 60 additions & 0 deletions
60
app/src/main/java/org/mazhuang/guanggoo/topicdetail/viewimage/ViewImagePresenter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| package org.mazhuang.guanggoo.topicdetail.viewimage; | ||
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| import android.graphics.Bitmap; | ||
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| import com.bm.library.PhotoView; | ||
| import com.bumptech.glide.load.resource.bitmap.GlideBitmapDrawable; | ||
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| import org.mazhuang.guanggoo.util.FileUtils; | ||
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| /** | ||
| * Created by mazhuang on 2017/11/18. | ||
| */ | ||
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| public class ViewImagePresenter implements ViewImageContract.Presenter { | ||
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| private ViewImageContract.View mView; | ||
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| public ViewImagePresenter(ViewImageContract.View view) { | ||
| mView = view; | ||
| mView.setPresenter(this); | ||
| } | ||
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| @Override | ||
| public void saveImage(final PhotoView photoViewTemp) { | ||
| if (photoViewTemp != null) { | ||
| GlideBitmapDrawable glideBitmapDrawable = (GlideBitmapDrawable) photoViewTemp.getDrawable(); | ||
| if (glideBitmapDrawable == null) { | ||
| return; | ||
| } | ||
| Bitmap bitmap = glideBitmapDrawable.getBitmap(); | ||
| if (bitmap == null) { | ||
| return; | ||
| } | ||
| mView.startLoading(); | ||
| FileUtils.saveImage(photoViewTemp.getContext(), bitmap, new FileUtils.SaveResultCallback() { | ||
| @Override | ||
| public void onSavedSuccess() { | ||
| photoViewTemp.post(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| mView.stopLoading(); | ||
| mView.onSaveImageSucceed(); | ||
| } | ||
| }); | ||
| } | ||
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| @Override | ||
| public void onSavedFailed() { | ||
| photoViewTemp.post(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| mView.stopLoading(); | ||
| mView.onSaveImageFailed("保存失败"); | ||
| } | ||
| }); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
| } |
58 changes: 58 additions & 0 deletions
58
app/src/main/java/org/mazhuang/guanggoo/util/FileUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package org.mazhuang.guanggoo.util; | ||
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| import android.content.Context; | ||
| import android.content.Intent; | ||
| import android.graphics.Bitmap; | ||
| import android.net.Uri; | ||
| import android.os.Environment; | ||
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| import java.io.File; | ||
| import java.io.FileNotFoundException; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.text.SimpleDateFormat; | ||
| import java.util.Date; | ||
|
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| /** | ||
| * Created by mazhuang on 2017/11/18. | ||
| * code from https://www.ctolib.com/topics-110262.html | ||
| */ | ||
|
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| public class FileUtils { | ||
| public static void saveImage(final Context context, final Bitmap bmp , final SaveResultCallback saveResultCallback) { | ||
| new Thread(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| File appDir = new File(Environment.getExternalStorageDirectory(), "out_photo"); | ||
| if (!appDir.exists()) { | ||
| appDir.mkdir(); | ||
| } | ||
| SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");//设置以当前时间格式为图片名称 | ||
| String fileName = df.format(new Date()) + ".png"; | ||
| File file = new File(appDir, fileName); | ||
| try { | ||
| FileOutputStream fos = new FileOutputStream(file); | ||
| bmp.compress(Bitmap.CompressFormat.PNG, 100, fos); | ||
| fos.flush(); | ||
| fos.close(); | ||
| saveResultCallback.onSavedSuccess(); | ||
| } catch (FileNotFoundException e) { | ||
| saveResultCallback.onSavedFailed(); | ||
| e.printStackTrace(); | ||
| } catch (IOException e) { | ||
| saveResultCallback.onSavedFailed(); | ||
| e.printStackTrace(); | ||
| } | ||
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| //保存图片后发送广播通知更新数据库 | ||
| Uri uri = Uri.fromFile(file); | ||
| context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri)); | ||
| } | ||
| }).start(); | ||
| } | ||
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| public interface SaveResultCallback{ | ||
| void onSavedSuccess(); | ||
| void onSavedFailed(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| <vector xmlns:android="http://schemas.android.com/apk/res/android" | ||
| android:width="24dp" | ||
| android:height="24dp" | ||
| android:viewportWidth="24.0" | ||
| android:viewportHeight="24.0"> | ||
| <path | ||
| android:fillColor="#FF000000" | ||
| android:pathData="M17,3L5,3c-1.11,0 -2,0.9 -2,2v14c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2L21,7l-4,-4zM12,19c-1.66,0 -3,-1.34 -3,-3s1.34,-3 3,-3 3,1.34 3,3 -1.34,3 -3,3zM15,9L5,9L5,5h10v4z"/> | ||
| </vector> |
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