MeizhiPresenter.java

package com.smartalk.gank.presenter;

import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.util.Log;

import com.smartalk.gank.R;
import com.smartalk.gank.utils.FileUtil;
import com.smartalk.gank.utils.ShareUtil;
import com.smartalk.gank.view.IMeizhiView;

import rx.Observable;
import rx.Subscriber;
import rx.android.schedulers.AndroidSchedulers;
import rx.functions.Action1;
import rx.schedulers.Schedulers;

/**
 * Created by panl on 16/1/3.
 */
public class MeizhiPresenter extends BasePresenter<IMeizhiView> {

  public MeizhiPresenter(Context context, IMeizhiView iView) {
    super(context, iView);
  }

  @Override
  public void release() {
    if (subscription != null)
      subscription.unsubscribe();
  }

  public void saveMeizhiImage(final Bitmap bitmap, final String title) {
    subscription = Observable.create(new Observable.OnSubscribe<Uri>() {
      @Override
      public void call(Subscriber<? super Uri> subscriber) {
        Uri uri = FileUtil.saveBitmapToSDCard(bitmap, title);
        if (uri == null) {
          subscriber.onError(new Exception(context.getString(R.string.girl_reject_your_request)));
        } else {
          subscriber.onNext(uri);
          subscriber.onCompleted();
        }

      }
    }).subscribeOn(Schedulers.io())
        .observeOn(AndroidSchedulers.mainThread())
        .subscribe(new Action1<Uri>() {
          @Override
          public void call(Uri uri) {
            Intent scannerIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri);
            context.sendBroadcast(scannerIntent);
            iView.showSaveGirlResult(context.getString(R.string.save_girl_successfully));
          }
        }, new Action1<Throwable>() {
          @Override
          public void call(Throwable throwable) {
            iView.showSaveGirlResult(context.getString(R.string.girl_reject_your_request));
          }
        });
  }

  public void shareGirlImage(final Bitmap bitmap, final String title) {
    Observable.create(new Observable.OnSubscribe<Uri>() {

      @Override
      public void call(Subscriber<? super Uri> subscriber) {
        Uri uri = FileUtil.saveBitmapToSDCard(bitmap, title);
        if (uri == null) {
          Log.d("log", "uri is null");
          subscriber.onError(new Exception(context.getString(R.string.girl_reject_your_request)));
        } else {
          subscriber.onNext(uri);
          subscriber.onCompleted();
        }
      }
    }).subscribeOn(Schedulers.io())
        .observeOn(AndroidSchedulers.mainThread())
        .subscribe(new Action1<Uri>() {
          @Override
          public void call(Uri uri) {
            ShareUtil.shareImage(context, uri, context.getString(R.string.share_girl_to));
          }
        }, new Action1<Throwable>() {
          @Override
          public void call(Throwable throwable) {
            Log.d("log", "some thing is wrong");
            iView.showSaveGirlResult(throwable.getMessage());
          }
        });
  }


}