I'm doing a QR code app, can you help me get the error I want to save the code as a picture or share.
one.mstudio.qrbar.utility.AppUtils.share (AppUtils.java:86) one.mstudio.qrbar.fragment.GenerateFragment$6.onSaved (GenerateFragment.java:194) one.mstudio.qrbar.utility.SaveImage.onPostExecute (SaveImage.java:41) one.mstudio.qrbar.utility.SaveImage.onPostExecute (SaveImage.java:16)
package one.mstudio.qrbar.utility;
import android.graphics.Bitmap;
import android.os.AsyncTask;
import android.os.Environment;
import java.io.File;
import java.io.FileOutputStream;
import one.mstudio.qrbar.data.constant.Constants;
public class SaveImage extends AsyncTask<Void, Void, String> {
private String name;
private Bitmap bitmap;
private SaveListener saveListener;
public SaveImage(String name, Bitmap bitmap) {
this.name = name;
this.bitmap = bitmap;
}
public void setSaveListener(SaveListener saveListener) {
this.saveListener = saveListener;
}
@Override
protected String doInBackground(Void... voids) {
return saveImageFile(bitmap, name);
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
if(saveListener != null) {
saveListener.onSaved(s);
}
}
public interface SaveListener {
public void onSaved(String savedTo);
}
private String saveImageFile(Bitmap bitmap, String fileName) {
FileOutputStream out = null;
String filePath = getFilename(fileName);
try {
out = new FileOutputStream(filePath);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
} catch (Exception e) {
e.printStackTrace();
}
return filePath;
}
private String getFilename(String fileName) {
File file = new File(Environment.getExternalStorageDirectory().getPath(), Constants.SAVE_TO);
if (!file.exists()) {
file.mkdirs();
}
if(fileName.contains("/")) {
fileName = fileName.replace("/", "\\");
}
return (file.getAbsolutePath() + "/" + fileName + ".png");
}
}
package one.mstudio.qrbar.fragment;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.app.Fragment;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.Toast;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
import java.util.ArrayList;
import java.util.List;
import me.dm7.barcodescanner.zxing.ZXingScannerView;
import one.mstudio.qrbar.R;
import one.mstudio.qrbar.data.constant.Constants;
import one.mstudio.qrbar.utility.AppUtils;
import one.mstudio.qrbar.utility.CodeGenerator;
import one.mstudio.qrbar.utility.SaveImage;
public class GenerateFragment extends Fragment {
private Activity mActivity;
private Context mContext;
private EditText inputText;
private ImageView outputBitmap;
private ImageButton switcher;
private FloatingActionButton save, share;
private static final int TYPE_QR = 0, TYPE_BAR = 1;
private static int TYPE = TYPE_QR;
private Bitmap output;
private String inputStr;
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
initVar();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_generate, container, false);
initView(rootView);
initFunctionality();
initListener();
return rootView;
}
private void initVar() {
mActivity = getActivity();
mContext = mActivity.getApplicationContext();
}
private void initView(View rootView) {
inputText = (EditText) rootView.findViewById(R.id.inputText);
outputBitmap = (ImageView) rootView.findViewById(R.id.outputBitmap);
switcher = (ImageButton) rootView.findViewById(R.id.switcher);
save = (FloatingActionButton) rootView.findViewById(R.id.save);
share = (FloatingActionButton) rootView.findViewById(R.id.share);
save.hide();
share.hide();
}
private void initFunctionality() {
}
private void initListener() {
inputText.addTextChangedListener(new TextWatcher() {
@Override
public void afterTextChanged(Editable s) {}
@Override
public void beforeTextChanged(CharSequence s, int start,
int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start,
int before, int count) {
if(s.length() != 0) {
generateCode(s.toString());
} else {
save.hide();
share.hide();
if(TYPE == TYPE_QR) {
outputBitmap.setImageResource(R.drawable.ic_qr_placeholder);
} else {
outputBitmap.setImageResource(R.drawable.ic_bar_placeholder);
}
}
}
});
switcher.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
inputText.setText("");
save.hide();
share.hide();
if(TYPE == TYPE_QR) {
TYPE = TYPE_BAR;
switcher.setImageResource(R.drawable.ic_qr_button);
inputText.setHint(R.string.type_here_bar);
outputBitmap.setImageResource(R.drawable.ic_bar_placeholder);
} else {
TYPE = TYPE_QR;
switcher.setImageResource(R.drawable.ic_barcode_button);
inputText.setHint(R.string.type_here_qr);
outputBitmap.setImageResource(R.drawable.ic_qr_placeholder);
}
}
});
save.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
saveAndShare(false, inputStr, output);
}
});
share.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
saveAndShare(true, inputStr, output);
}
});
}
private void generateCode(final String input) {
CodeGenerator codeGenerator = new CodeGenerator();
if(TYPE == TYPE_BAR) {
codeGenerator.generateBarFor(input);
} else {
codeGenerator.generateQRFor(input);
}
codeGenerator.setResultListener(new CodeGenerator.ResultListener() {
@Override
public void onResult(Bitmap bitmap) {
((BitmapDrawable)outputBitmap.getDrawable()).getBitmap().recycle();
output = bitmap;
inputStr = input;
outputBitmap.setImageBitmap(bitmap);
if(!save.isShown()) {
save.show();
share.show();
}
}
});
codeGenerator.execute();
}
private void saveAndShare(final boolean shouldShare, String name, Bitmap bitmap) {
if(shouldShare) {
AppUtils.showToast(mContext, getString(R.string.preparing));
} else {
AppUtils.showToast(mContext, getString(R.string.saving));
}
SaveImage saveImage = new SaveImage(name, bitmap);
saveImage.setSaveListener(new SaveImage.SaveListener() {
@Override
public void onSaved(String savedTo) {
if (shouldShare) {
AppUtils.share(mActivity, savedTo);
} else {
AppUtils.showToast(mContext, getString(R.string.saved_to) +"'"+ Constants.SAVE_TO +"' "+getString(R.string.directory_in));
}
}
});
saveImage.execute();
}
}
