Definition: 23) Create an application to pick up any image from the native application gallery and display it on the screen
File Name : EX23.java
package bsr.exa;
import java.io.File;
import java.io.FileInputStream;
import android.app.Activity;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.provider.MediaStore.Images.Media;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
public class E23 extends Activity {
/**
*
* @author Bipin S Rupadiya , www.bipinrupadiya.com
*
* 23) Create an application to pick up any image from the native application gallery and display it on the screen.
*
* Note : First add a file to sdcard and check with media scanner (from dev tools)
**/
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
try
{
String[] projection={Media.DISPLAY_NAME, Media.DATA, Media.SIZE};
Cursor c=managedQuery(Media.EXTERNAL_CONTENT_URI, projection, null, null, null);
ImageView ivImage=(ImageView)findViewById(R.id.myImg);
File file = null;
String imgName = null ;
if(c.getCount()>0)
{
while(c.moveToNext())
{
file=new File(c.getString(1)); //after completing loop, it take last image from native Gallery to display.
imgName=c.getString(0);
}
c.close();
FileInputStream fis=new FileInputStream(file);
byte[] buffer=new byte[fis.available()];
fis.read(buffer);
Bitmap bm=BitmapFactory.decodeByteArray(buffer, 0, buffer.length);
TextView txtTitle=(TextView)findViewById(R.id.txtTitle);
txtTitle.setText(imgName.toString());
ivImage.setImageBitmap(bm);
}
}
catch(Exception e)
{
Toast.makeText(E23.this, "Error: "+e, Toast.LENGTH_LONG).show();
}
}
}
import java.io.File;
import java.io.FileInputStream;
import android.app.Activity;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.provider.MediaStore.Images.Media;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
public class E23 extends Activity {
/**
*
* @author Bipin S Rupadiya , www.bipinrupadiya.com
*
* 23) Create an application to pick up any image from the native application gallery and display it on the screen.
*
* Note : First add a file to sdcard and check with media scanner (from dev tools)
**/
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
try
{
String[] projection={Media.DISPLAY_NAME, Media.DATA, Media.SIZE};
Cursor c=managedQuery(Media.EXTERNAL_CONTENT_URI, projection, null, null, null);
ImageView ivImage=(ImageView)findViewById(R.id.myImg);
File file = null;
String imgName = null ;
if(c.getCount()>0)
{
while(c.moveToNext())
{
file=new File(c.getString(1)); //after completing loop, it take last image from native Gallery to display.
imgName=c.getString(0);
}
c.close();
FileInputStream fis=new FileInputStream(file);
byte[] buffer=new byte[fis.available()];
fis.read(buffer);
Bitmap bm=BitmapFactory.decodeByteArray(buffer, 0, buffer.length);
TextView txtTitle=(TextView)findViewById(R.id.txtTitle);
txtTitle.setText(imgName.toString());
ivImage.setImageBitmap(bm);
}
}
catch(Exception e)
{
Toast.makeText(E23.this, "Error: "+e, Toast.LENGTH_LONG).show();
}
}
}
File Name :AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
android:versionCode="1"
android:versionName="1.0" package="bsr.exa">
<uses-sdk android:minSdkVersion="8" />
<application android:label="@string/app_name" android:icon="@drawable/icon">
<activity android:label="@string/app_name" android:name="E23">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
android:versionCode="1"
android:versionName="1.0" package="bsr.exa">
<uses-sdk android:minSdkVersion="8" />
<application android:label="@string/app_name" android:icon="@drawable/icon">
<activity android:label="@string/app_name" android:name="E23">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
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