Kashif Lecture

Tuesday, 1 November 2016

Thursday, 27 October 2016

Using this code

activity_main.xml

<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:background="#9EBA89" >

<ListView

android:id="@+id/listView1"

android:layout_width="match_parent"

android:layout_height="wrap_content" >

</ListView>

</RelativeLayout>

MainActivity.java

package com.example.readpdfnames;

import java.io.File;

import java.util.ArrayList;

import android.app.Activity;

import android.content.Intent;

import android.net.Uri;

import android.os.Bundle;

import android.os.Environment;

import android.util.Log;

import android.view.View;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.ArrayAdapter;

import android.widget.ListView;

public class MainActivity extends Activity {

File path;

ListView list;

static ArrayList<String> pdf_paths=new ArrayList<String>();

static ArrayList<String> pdf_names=new ArrayList<String>();

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

list=(ListView)findViewById(R.id.listView1);

pdf_paths.clear();

pdf_names.clear();

//Access External storage

path = new File(Environment.getExternalStorageDirectory() + "");

searchFolderRecursive1(path);

ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,

android.R.layout.simple_list_item_1, android.R.id.text1, pdf_names);

Log.e("aaaaaaaaaa", ""+pdf_names);

list.setAdapter(adapter);

list.setOnItemClickListener(new OnItemClickListener() {

@Override

public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,

long arg3) {

// TODO Auto-generated method stub

String path = pdf_paths.get(arg2);

File file = new File(path);

Intent intent = new Intent(Intent.ACTION_VIEW);

intent.setDataAndType(Uri.fromFile(file), "application/pdf");

intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);

startActivity(intent);

}

});

}

private static void searchFolderRecursive1(File folder)

{

if (folder != null)

{

if (folder.listFiles() != null)

{

for (File file : folder.listFiles())

{

if (file.isFile())

{
//.pdf files

if(file.getName().contains(".pdf"))

{

Log.e("ooooooooooooo", "path__="+file.getName());

file.getPath();

pdf_names.add(file.getName());

pdf_paths.add(file.getPath());

Log.e("pdf_paths", ""+pdf_names);

}

}
else
{

searchFolderRecursive1(file);

}

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For IT/Computers

Wednesday, 5 October 2016

Repeatedly Running Tast (TimerTask)

TimerTask task;

Timer timer;

if (timer != null) {
timer.cancel();
}

timer = new Timer();

final Handler handler = new Handler();

task = new TimerTask() {
@Override
public void run() {

handler.post(new Runnable() {
@Override
public void run() {

// Do Thing you want to excute
}
});
}
};

timer.schedule( task, 0, 15000);

// Stop the Task

timer.cancel();

Make Call Directly

<Java Code>
Intent shortcutIntent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + Uri.encode(code))); startActivity(shortcutIntent);

<App Permission>

<uses-permission android:name="android.permission.CALL_PHONE" />

Check Internet Connectivity

<Java Method>

public static boolean isNetworkAvailable(Context context)
{

ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
return activeNetworkInfo != null && activeNetworkInfo.isConnected();

}

<App Permission>
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

Kashif Lecture

Tuesday, 1 November 2016

Use Grid View In Android

Thursday, 27 October 2016

Load PDF files