Open & Read File from Assets

Hey Guys, Today I am going to share the important code of Assets. How to open the file and read the file from assets folder. In that Scenario, There is a class in Android API Asset Manager.

Open file with AssetManager

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package app.test;    import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.StringTokenizer;    import android.app.Activity; import android.content.res.AssetManager; import android.os.Bundle; import android.widget.TextView;    public class Test extends Activity {            @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         TextView tv = new TextView(this);         setContentView(tv);         try {             AssetManager manager = getAssets();             InputStream mInput = manager.open("data.csv");             byte[] data = new byte[128];             mInput.read(data);             mInput.close();                        } catch (FileNotFoundException e) {             e.printStackTrace();         } catch (IOException e) {             e.printStackTrace();         }            }    }

Read Asset Files

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package app.test;    import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream;    import android.app.Activity; import android.content.res.AssetManager; import android.os.Bundle; import android.widget.TextView;    public class Test extends Activity {   @Override   public void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     TextView textView = new TextView(this);     setContentView(textView);     AssetManager assetManager = getAssets();     InputStream inputStream = null;     try {       inputStream = assetManager.open("/text.txt");       String text = loadTextFile(inputStream);       textView.setText(text);     } catch (IOException e) {       textView.setText("Couldn't load file");     } finally {       if (inputStream != null)         try {           inputStream.close();         } catch (IOException e) {           textView.setText("Couldn't close file");         }     }   }      public String loadTextFile(InputStream inputStream) throws IOException {     ByteArrayOutputStream byteStream = new ByteArrayOutputStream();     byte[] bytes = new byte[4096];     int len = 0;     while ((len = inputStream.read(bytes)) > 0)       byteStream.write(bytes, 0, len);     return new String(byteStream.toByteArray(), "UTF8");   } }