Hello Today we are going to save any type of data using sharePreferances in android mobile. Step-1 Make a new android app. if you don't know how to do that then Read this post. Step-2 Just drag and drop Edit Text and 2 Buttons into virtual mobile GUI as shown in figure. Step-3 Just Copy and paste following code before onCreate method SharedPreferences sharedPref; SharedPreferences.Editor editor; now just copy and paste following code into onCreate method sharedPref = MainActivity.this.getSharedPreferences("xyz", Context.MODE_PRIVATE); editor=sharedPref.edit(); final EditText editText=(EditText) findViewById(R.id.editText); Button btn=(Button) findViewById(R.id.button); btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub editor.putString("city", String.valueOf(editText)); editor.commit(); } }); Button btn2=(Button) findViewById(R.id.button2); btn2.se...