Removed SlideTabs and ViewPager. Modified and cleaned up the code.

src/main/java/com/contactshare/activities/MainActivity.java

@@ -1,71 +1,113 @@
 package com.contactshare.activities;
 
+import android.content.Context;
 import android.os.Bundle;
-import android.support.v4.view.ViewPager;
 import android.support.v7.app.ActionBarActivity;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.widget.Toolbar;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.TextView;
 
 import com.contactshare.R;
-import com.contactshare.slidetabs.SlidingTabLayout;
-import com.contactshare.slidetabs.ViewPagerAdapter;
+import com.contactshare.utilities.Constants;
+import com.contactshare.utilities.Utilities;
 
 
-public class MainActivity extends ActionBarActivity {
-    Toolbar toolbar;
-    ViewPager pager;
-    ViewPagerAdapter adapter;
-    SlidingTabLayout tabs;
-    CharSequence Titles[] = {"Scan", "Make"};
-    private int numOfTabs = 2;
+public class MainActivity extends ActionBarActivity implements View.OnClickListener {
+
+    static final String ACTION_SCAN = "com.google.zxing.client.android.SCAN";
+    private Context ctx;
+    private TextView txtConDetailHead;
+    private EditText edtConName;
+    private EditText edtConNumber;
+    private EditText edtConEmail;
+    private Button btnConSave;
+    private ImageView imgConQrCode;
+    private ImageView imgQrCode;
+    private ImageButton btnConEdit;
+    private ImageButton btnConScan;
+    private View lytContactDetail;
+    private View lytQrCode;
+
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-        getActionBar().hide();
-        // Creating The ViewPagerAdapter and Passing Fragment Manager, Titles fot the Tabs and Number Of Tabs.
-        adapter = new ViewPagerAdapter(getSupportFragmentManager(), Titles, numOfTabs);
-
-        // Assigning ViewPager View and setting the adapter
-        pager = (ViewPager) findViewById(R.id.pager);
-        pager.setAdapter(adapter);
-
-        // Assiging the Sliding Tab Layout View
-        tabs = (SlidingTabLayout) findViewById(R.id.tabs);
-        tabs.setDistributeEvenly(true); // To make the Tabs Fixed set this true, This makes the tabs Space Evenly in Available width
-
-        // Setting Custom Color for the Scroll bar indicator of the Tab View
-        tabs.setCustomTabColorizer(new SlidingTabLayout.TabColorizer() {
-            @Override
-            public int getIndicatorColor(int position) {
-                return getResources().getColor(R.color.tabsScrollColor);
-            }
-        });
-        // Setting the ViewPager For the SlidingTabsLayout
-        tabs.setViewPager(pager);
+        ctx = getApplicationContext();
+        initUI();
+        setOnClickListeners();
+
+
+        //Check if there is stored data
+        if (Utilities.isInitialSetupDone(ctx)) {
+            lytContactDetail.setVisibility(View.GONE);
+            lytQrCode.setVisibility(View.VISIBLE);
+            String sharedName = Utilities.getValueForKeyFromPref(ctx, Constants.KEY_NAME);
+            String sharedNumber = Utilities.getValueForKeyFromPref(ctx, Constants.KEY_NUMBER);
+            String sharedEmail = Utilities.getValueForKeyFromPref(ctx, Constants.KEY_EMAIL);
+            String contact = "Name:" + sharedName + "No:" + sharedNumber + "Email:" + sharedEmail;
+            imgQrCode.setImageBitmap(Utilities.encodeToQrCode(contact, 500, 500));
+        }
+
+        //Saving contact info
+        /*Intent intent = new Intent(ACTION_SCAN);
+
+        intent.putExtra("SCAN_MODE", "QR_CODE_MODE");
+
+        startActivityForResult(intent, 0);*/
+
+/*        IntentIntegrator integrator = new IntentIntegrator(getActivity());
+        integrator.initiateScan();*/
+
+
     }
 
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        // Inflate the menu; this adds items to the action bar if it is present.
-        getMenuInflater().inflate(R.menu.menu_main, menu);
-        return true;
+    private void setOnClickListeners() {
+        btnConSave.setOnClickListener(this);
+        btnConEdit.setOnClickListener(this);
+    }
+
+    private void initUI() {
+        lytContactDetail = findViewById(R.id.lyt_contact_detail);
+        lytQrCode = findViewById(R.id.lyt_qr_code);
+        txtConDetailHead = (TextView) findViewById(R.id.txt_con_head);
+        edtConName = (EditText) findViewById(R.id.edt_con_name);
+        edtConNumber = (EditText) findViewById(R.id.edt_con_number);
+        edtConEmail = (EditText) findViewById(R.id.edt_con_email);
+        btnConSave = (Button) findViewById(R.id.btn_con_save);
+        imgConQrCode = (ImageView) findViewById(R.id.img_con_qr_code);
+        btnConEdit = (ImageButton) findViewById(R.id.btn_con_edit);
+        btnConScan = (ImageButton) findViewById(R.id.btn_con_scan);
+        //QR code on display mode
+        imgQrCode = (ImageView) findViewById(R.id.img_qr_code);
+        lytQrCode.setVisibility(View.GONE);
+
     }
 
     @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        // Handle action bar item clicks here. The action bar will
-        // automatically handle clicks on the Home/Up button, so long
-        // as you specify a parent activity in AndroidManifest.xml.
-        int id = item.getItemId();
-
-        //noinspection SimplifiableIfStatement
-        if (id == R.id.action_settings) {
-            return true;
+    public void onClick(View v) {
+        int id = v.getId();
+        switch (id) {
+            case R.id.btn_con_save:
+                String name = edtConName.getText().toString();
+                String number = edtConNumber.getText().toString();
+                String email = edtConEmail.getText().toString();
+                String contact = "Name:" + name + "No:" + number + "Email:" + email;
+                imgConQrCode.setImageBitmap(Utilities.encodeToQrCode(contact, 500, 500));
+                Utilities.putValueIntoSharedPref(ctx, Constants.KEY_NAME, name);
+                Utilities.putValueIntoSharedPref(ctx, Constants.KEY_EMAIL, email);
+                Utilities.putValueIntoSharedPref(ctx, Constants.KEY_NUMBER, number);
+                break;
+            case R.id.btn_con_edit:
+                lytQrCode.setVisibility(View.GONE);
+                lytContactDetail.setVisibility(View.VISIBLE);
+                edtConName.setText(Utilities.getValueForKeyFromPref(ctx, Constants.KEY_NAME));
+                edtConNumber.setText(Utilities.getValueForKeyFromPref(ctx, Constants.KEY_NUMBER));
+                edtConEmail.setText(Utilities.getValueForKeyFromPref(ctx, Constants.KEY_EMAIL));
+                break;
         }
-
-        return super.onOptionsItemSelected(item);
     }
 }