“Unfortunately, … has stopped” when Downloading file in Android

Question

I\'m trying to make an app in Android Studio which requires you to download a file to the sdcard/Download/ folder on the users device. The problem is that when I enter the URL t

Answer 1

Since you said it's in AndroidFileDownload, I'd suggest you to do as follows:

@Override
public void onClick(View view)
     // you need to get the id of the clicked view:
    if(view.getId() == R.id.download_button) {
        EditText urlInputField = (EditText) thisActivity.findViewById(R.id.url_input);
        String urlInput = urlInputField.getText().toString();
        downloaderThread = new DownloaderThread(thisActivity, urlInput);
        downloaderThread.start();
    }
}

This is the cause of: NoSuchMethodException: onClick [class android.view.View]. It means that your onClick method cannot find your button (id) where you did set an onClickListener method.

And then, in the future, I think the problem will be that AndroidFileDownload is not declared in your Manifest file. You should add it as follows:

<application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme" >
    <activity
        android:name="com.NautGames.xecta.app.MainActivity"
        android:label="@string/app_name" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
    // add every activity in your app like this below
    <activity
        android:name="com.NautGames.xecta.app.AndroidFileDownloader"
        android:label="@string/app_name" />
</application>