Skip to main content

How to read text file from sdcard in android

Program to read text file from sdcard

To read a text file from sdcard, first create an object of FileInputStream class. Set the path of text file in the constructor of FileInputStream. Declare a byte array to read the file. Then call the read method.


FileInputStream Fin=new FileInputStream("sdcard/"+s);
byte[] b=new byte[100];
t=(TextView)findViewById(R.id.textView1);
Fin.read(b);
text=new String(b);
t.setText(text);
Fin.close();

See more


Comments

Popular posts from this blog

Capture image without surface view as background service in android

Capture image without user knowledge in android/Capture image as background service in android/Take photo without preview in android/ Camera without preview in android  package com.example.picture; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import android.app.Service; import android.content.Context; import android.content.Intent; import android.hardware.Camera; import android.hardware.Camera.Parameters; import android.media.AudioManager; import android.os.IBinder; import android.util.Log; import android.view.SurfaceHolder; import android.view.SurfaceView; public class CameraService extends Service {       //Camera variables       //a surface holder       private SurfaceHolder sHolder ;        //a variable to control the camera       private Camera mCamera ;       //the camera parameters       private Parameters parameters ;       /** Called when the activity is first created. */     @Override     p

Open front camera in android program

How to access front camera in android/get number of cameras in android/Program to open front camera in android Using the code explained below, we can easily find out number of cameras in your android device. Camera.CameraInfo cameraInfo = new Camera.CameraInfo();         Log. d ( "No of cameras" ,Camera. getNumberOfCameras ()+ "" );         for ( int camNo = 0; camNo < Camera. getNumberOfCameras (); camNo++) {             CameraInfo camInfo = new CameraInfo();             Camera. getCameraInfo (camNo, camInfo);                         if (camInfo. facing ==(Camera.CameraInfo. CAMERA_FACING_FRONT )) {                 mCamera = Camera. open (camNo);             }         }         if ( mCamera == null ) {            // no front-facing camera, use the first back-facing camera instead.            // you may instead wish to inform the user of an error here...               mCamera = Camera. open ();         } A sample program that take photo using front camer

Read an image from sdcard in Android

To read an image file from sdcard ImageView imageView=(ImageView)findViewById(R.id.imageView1); Bitmap bmp=BitmapFactory.decodeStream(“path of file”); imageView .setImageBitmap(bmp); See more Play audio from sdcard Play video from sdcard How to read text file from sdcard