Created
April 9, 2016 14:06
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How to create text file.
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package com.finc.strageframewok; | |
import android.app.Activity; | |
import android.content.Intent; | |
import android.net.Uri; | |
import android.os.Bundle; | |
import android.support.annotation.NonNull; | |
import android.support.v7.app.AppCompatActivity; | |
import android.view.View; | |
import java.io.BufferedWriter; | |
import java.io.IOException; | |
import java.io.OutputStream; | |
import java.io.OutputStreamWriter; | |
/** | |
* This is {@link android.app.Activity} for folder creation. | |
*/ | |
public class FileCreateActivity extends AppCompatActivity { | |
private static final int WRITE_REQUEST_CODE = 101; | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.activity_file_create); | |
findViewById(R.id.create_txt_button).setOnClickListener(new View.OnClickListener() { | |
@Override | |
public void onClick(View v) { | |
createFile(); | |
} | |
}); | |
} | |
// create text file | |
private void createFile() { | |
// when you create document, you need to add Intent.ACTION_CREATE_DOCUMENT | |
Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT); | |
// filter to only show openable items. | |
intent.addCategory(Intent.CATEGORY_OPENABLE); | |
// Create a file with the requested Mime type | |
intent.setType("text/plain"); | |
intent.putExtra(Intent.EXTRA_TITLE, "Neonankiti.txt"); | |
startActivityForResult(intent, WRITE_REQUEST_CODE); | |
} | |
@Override | |
protected void onActivityResult(int requestCode, int resultCode, Intent data) { | |
super.onActivityResult(requestCode, resultCode, data); | |
if (requestCode == WRITE_REQUEST_CODE) { | |
switch (resultCode) { | |
case Activity.RESULT_OK: | |
if (data != null | |
&& data.getData() != null) { | |
writeInFile(data.getData(), "bison is bision"); | |
} | |
break; | |
case Activity.RESULT_CANCELED: | |
break; | |
} | |
} | |
} | |
private void writeInFile(@NonNull Uri uri, @NonNull String text) { | |
OutputStream outputStream; | |
try { | |
outputStream = getContentResolver().openOutputStream(uri); | |
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(outputStream)); | |
bw.write(text); | |
bw.flush(); | |
bw.close(); | |
} catch (IOException e) { | |
e.printStackTrace(); | |
} | |
} | |
} |
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2024, is it "onActivityResult(ActivityResult result)" instead?
ref: https://developer.android.com/training/basics/intents/result