Update README.md

Android_Beginners/011-012 User Interface/012 User Interface.txt

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+[source code] Android Development Tutorials - 11 & 12 - User Interface
+
+***** Main Activity.java
+package your.package.name
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+
+    @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;
+    }
+
+    @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;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+}
+
+
+***** 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:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    tools:context="glwhitney.info.nbvideos11_12.MainActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textAppearance="?android:attr/textAppearanceLarge"
+        android:text="@string/SignInTitle"
+        android:id="@+id/textView"
+        android:layout_alignParentTop="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:singleLine="true"/>
+
+    <EditText
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:inputType="textEmailAddress"
+        android:ems="10"
+        android:id="@+id/editText"
+        android:layout_below="@+id/textView"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="36dp"
+        android:width="320dp"/>
+
+    <EditText
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:inputType="textPassword"
+        android:ems="10"
+        android:id="@+id/editText2"
+        android:layout_marginTop="45dp"
+        android:layout_below="@+id/editText"
+        android:layout_alignLeft="@+id/editText"
+        android:layout_alignStart="@+id/editText"
+        android:width="320dp"/>
+
+    <Button
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/SignInButtonText"
+        android:id="@+id/button"
+        android:layout_centerVertical="true"
+        android:layout_centerHorizontal="true" />
+</RelativeLayout>
+
+***** strings.xml
+
+<resources>
+    <string name="app_name">NB Videos 11_12</string>
+    <string name="title_activity_main">MainActivity</string>
+
+    <string name="hello_world">Hello world!</string>
+    <string name="action_settings">Settings</string>
+    <string name="SignInTitle">Sign In</string>
+    <string name="SignInButtonText">Log In</string>
+</resources>

Android_Beginners/013-016 Java Layout/013-016 Java Layout.txt

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+/* API23 WARNING
+ * This activity was created with API21 when ActioinBarActivity was not depreciated.
+ * IF you are using API23 or later then you will need to extend AppCompatActivity 
+*/
+****** MainActivity 
+
+package your.package.name
+
+import android.support.v7.app.ActionBarActivity;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.RelativeLayout;
+import android.widget.Button;
+import android.graphics.Color;
+import android.widget.EditText;
+import android.content.res.Resources;
+import android.util.TypedValue;
+
+public class MainActivity extends ActionBarActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        //Layout
+        RelativeLayout buckysLayout = new RelativeLayout(this);
+        buckysLayout.setBackgroundColor(Color.GREEN);
+
+        //Button
+        Button redButton = new Button(this);
+        redButton.setText("Log In");
+        redButton.setBackgroundColor(Color.RED);
+
+        //Username input
+        EditText username = new EditText(this);
+
+        redButton.setId(1);
+        username.setId(2);
+
+        RelativeLayout.LayoutParams buttonDetails = new RelativeLayout.LayoutParams(
+                RelativeLayout.LayoutParams.WRAP_CONTENT,
+                RelativeLayout.LayoutParams.WRAP_CONTENT
+        );
+        RelativeLayout.LayoutParams usernameDetails = new RelativeLayout.LayoutParams(
+                RelativeLayout.LayoutParams.WRAP_CONTENT,
+                RelativeLayout.LayoutParams.WRAP_CONTENT
+        );
+
+        //Give rules to position widgets
+        usernameDetails.addRule(RelativeLayout.ABOVE, redButton.getId());
+        usernameDetails.addRule(RelativeLayout.CENTER_HORIZONTAL);
+        usernameDetails.setMargins(0,0,0,50);
+
+        buttonDetails.addRule(RelativeLayout.CENTER_HORIZONTAL);
+        buttonDetails.addRule(RelativeLayout.CENTER_VERTICAL);
+
+        Resources r = getResources();
+        int px = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,200,
+                r.getDisplayMetrics()
+                );
+
+        username.setWidth(px);
+
+        //Add widget to layout(button is now a child of layout)
+        buckysLayout.addView(redButton, buttonDetails);
+        buckysLayout.addView(username, usernameDetails);
+
+        //Set this activities content/display to this view
+        setContentView(buckysLayout);
+
+    }
+
+
+    @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;
+    }
+
+    @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;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+}

Android_Beginners/017 GridLayout/017 GridLayout.txt

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+[source code] Android Development Tutorial - 17 GridLayout
+
+***** MainActivity.java
+
+package your.package.name;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+
+    @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;
+    }
+
+    @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;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+}
+
+***** 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:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">
+
+
+    <GridLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true">
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Bottom"
+            android:id="@+id/button4"
+            android:layout_row="1"
+            android:layout_column="0"
+            android:layout_columnSpan="2"
+            android:layout_gravity="fill_horizontal" />
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Center"
+            android:id="@+id/button"
+            android:layout_row="0"
+            android:layout_column="1" />
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Left"
+            android:id="@+id/button3"
+            android:layout_row="0"
+            android:layout_column="0" />
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Right"
+            android:id="@+id/button2"
+            android:layout_row="0"
+            android:layout_column="2"
+            android:layout_rowSpan="2"
+            android:layout_gravity="fill_vertical" />
+    </GridLayout>
+</RelativeLayout>

Android_Beginners/018-020 Events/018 to 19 Events.txt

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+/* API23 WARNING
+ * This activity was created with API21 when ActioinBarActivity was not depreciated.
+ * IF you are using API23 or later then you will need to extend AppCompatActivity 
+*/
+****** MainActivity 
+
+package your.package.name
+
+import android.support.v7.app.ActionBarActivity;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+
+public class MainActivity extends ActionBarActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        Button buckysButton = (Button)findViewById(R.id.buckysButton);
+
+        buckysButton.setOnClickListener(
+                new Button.OnClickListener(){
+                    public void onClick(View v){
+                        TextView buckysText = (TextView)findViewById(R.id.buckysText);
+                        buckysText.setText("Good job Hoss!");
+                    }
+                }
+        );
+    }
+
+
+    @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;
+    }
+
+    @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;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+}