package com.example.abc.testwriter;
import android.app.Activity;
import android.os.Bundle;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
try {
bw1.write("Test");
bw1.newLine();
bw1.close();
e.printStackTrace();
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://s...content-available-to-author-only...d.com/apk/res/android"
package="com.example.abc.testwriter">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
</manifest>