What is Navigation Drawer ?

The navigation drawer is a panel that transitions in from the left edge of the screen and displays the app’s main navigation options.The user can bring the navigation drawer onto the screen by swiping from the left edge of the screen or by touching the application icon on the action bar.As the navigation drawer expands, it overlays the content but not the action bar. When the drawer is fully extended, the action bar adjusts its content by replacing the current action bar title with the app name and removing all actions that are contextual to the view underneath the navigation drawer. The overflow menu with the standard action items for Settings and Help remains visible.

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Use Your Own SQLite in ANDROID Application or Using 'SQLite Asset Helper' to read your own databases stored in Asset folder

See more basics on Android along with interview questions See SQLite tutorial here If you want to read your own databases in ANDROID APPLICATION, this post may help you. You may be familiar by creating SQLite in Android use SQLiteOpenHelper . Here we are going to deal with using our own databases. I have a database named 'mydatabase.sqlite', which consist of a set of name and age of 5 students. Suppose I want to view the database, I can use SQLite database browser which you can download from here. download browser..... Through this browser we can view the databases, can even modify delete or create a new one. 'mydatabase.sqlite' with name and age of five students is browsed and viewed as shown below Now make a zip format of database and copy this database to asse...

Passing Images between Activities in Android

in First Activity: Intent intent=new Intent(FirstClass.this, SecondClass.class); Bundle bundle=new Bundle(); bundle.putInt("image",R.drawable.ic_launcher); intent.putExtras(bundle); startActivity(intent); in Second Acticity: Bundle bundle=this.getIntent().getExtras(); int pic=bundle.getInt("image"); v.setImageResource(pic); another method: in First Activity: Drawable drawable=imgv.getDrawable(); Bitmap bitmap= ((BitmapDrawable)drawable).getBitmap(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos); byte[] b = baos.toByteArray(); Intent intent=new Intent(Passimage.this,myclass.class); intent.putExtra("picture", b); startActivity(intent); in Second Acticity: Bundle extras = getIntent().getExtras(); byte[] b = extras.getByteArray("picture"); Bitmap bmp = BitmapFactory.decodeByteArray(b, 0, b.lengt...

Spannable String in Android - URL Span ,Clickable Span, Rich-Style Formatting of Textview .....

See more Android Tutorials here....... Faster Loading images in GridViews or ListViews Spannable brings lots of possibility to TextView, includes displaying various appearance of a Text and onClick callbak. The SpannableString class allows you to easily format certain pieces which are called spans of a string, by applying CharacterStyle ie,color, font, ormake it a link . Here is an example where, explained how to use spannable string to give font size, color, linking a text via clickable span and through URL Span and to strike through the text. Lets go through the example : import android.os.Bundle; import android.text.SpannableString; import android.text.method.LinkMovementMethod; import android.text.style.ClickableSpan; import android.text.style.ForegroundColorSpan; import android.text.style.RelativeSizeSpan; import android.text.style.StrikethroughSpan; import android.text.style.URLSpan; import android.view.View; import android.widget.TextView; import android.widget.Toast; ...

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