mahmood – Page 154

Install Groovy on Linux

January 26, 2017

curl -s get.sdkman.io | bash

source "$HOME/.sdkman/bin/sdkman-init.sh"

sdk install groovy

References
http://www.groovy-lang.org/install.html

Git Commands

January 26, 2017

git add -A //stages All

git add . //stages new and modified, without deleted

git add -u //stages modified and deleted, without new

git log //Viewing the Commit History

References
http://stackoverflow.com/questions/572549/difference-between-git-add-a-and-git-add

Install Wine in Ubuntu or Linux Mint

January 25, 2017

sudo add-apt-repository ppa:wine/wine-builds
sudo apt update
sudo apt install winehq-devel

Android Respond to Button Click Events

January 24, 2017

public void buttonShow_onClick(View view)
    {
        Toast toast=Toast.makeText(this,"Hello",Toast.LENGTH_LONG);
        toast.show();
    }

References
https://www.youtube.com/watch?v=6vixsiBlEOs&list=PLshdtb5UWjSp0879mLeCsDQN6L73XBZTk&index=10
https://github.com/mhdr/AndroidSamples/tree/master/005
https://developer.android.com/guide/topics/ui/notifiers/toasts.html

Android Input Controls – Buttons

January 24, 2017

main_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="iterator.ir.a004.MainActivity">

    <Button
        android:text="Button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:id="@+id/button" />

    <ImageButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:srcCompat="@drawable/ic_alarm_black_24dp"
        android:layout_below="@+id/button"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_marginLeft="10dp"
        android:layout_marginStart="10dp"
        android:id="@+id/imageButton" />

    <Button
        android:text="Button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/button2"
        android:layout_below="@+id/imageButton"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:drawableLeft="@drawable/ic_alarm_black_24dp" />
</RelativeLayout>

References
https://www.youtube.com/watch?v=EJ43o11ynGg&list=PLshdtb5UWjSp0879mLeCsDQN6L73XBZTk&index=9
https://github.com/mhdr/AndroidSamples/tree/master/004

Android Working with Relative Layout

January 24, 2017

main_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="iterator.ir.a003.MainActivity">


    <EditText
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:inputType="textPersonName"
        android:text=""
        android:hint="@string/firstNameHint"
        android:ems="10"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:id="@+id/editTextFirstName" />

    <EditText
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:inputType="textPersonName"
        android:text=""
        android:hint="@string/lastNameHint"
        android:ems="10"
        android:layout_alignParentTop="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:id="@+id/editTextLastName"
        android:layout_toRightOf="@+id/editTextFirstName"
        android:gravity="center"
        android:layout_toEndOf="@+id/editTextFirstName" />

    <Button
        android:text="@string/buttonSave_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/editTextLastName"
        android:id="@+id/buttonSave"
        android:layout_toRightOf="@+id/editTextFirstName"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true" />
</RelativeLayout>

References
https://www.youtube.com/watch?v=QfF_oFPeh7c&list=PLshdtb5UWjSp0879mLeCsDQN6L73XBZTk&index=8
https://github.com/mhdr/AndroidSamples/tree/master/003

Android Working with Linear Layout

January 23, 2017

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="iterator.ir.a002.MainActivity"
    android:orientation="vertical">

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content" 
        android:hint="@string/to_hint"/>
    
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content" 
        android:hint="@string/subject_hint"/>
    
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content" 
        android:hint="@string/message_hint"
        android:layout_weight="1"
        android:gravity="top|left"/>
    
    <Button
        android:layout_width="100dp"
        android:layout_height="wrap_content"
        android:hint="@string/buttonSend_text"
        android:layout_gravity="right"/>

</LinearLayout>

References
https://www.youtube.com/watch?v=DVRN3EuF9ys&index=7&list=PLshdtb5UWjSp0879mLeCsDQN6L73XBZTk
https://github.com/mhdr/AndroidSamples/tree/master/002

Android Send data to an Activity using Bundle

January 23, 2017

MainActivity.java

    Button buttonShow;
    EditText editTextMessage;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        buttonShow= (Button) findViewById(R.id.buttonShow);
        editTextMessage= (EditText) findViewById(R.id.editTextMessage);
    }


    protected void buttonShow_onClick(View view){

        String message=editTextMessage.getText().toString();
        Intent intent=new Intent(this,SecondActivity.class);
        intent.putExtra("msg",message);
        startActivity(intent);
    }

SecondActivity.java

   TextView textViewMessage;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_second);

        Intent intent=this.getIntent();
        // Bundle bundle=intent.getExtras();
        String message=intent.getStringExtra("msg");

        textViewMessage= (TextView) findViewById(R.id.textViewMessage);
        textViewMessage.setText(message);
    }

References
https://github.com/mhdr/AndroidSamples/tree/master/001

Android Support Library

January 21, 2017

com.android.support:support-compat:25.1.0
com.android.support:support-core-utils:25.1.0
com.android.support:support-core-ui:25.1.0
com.android.support:support-media-compat:25.1.0
com.android.support:support-fragment:25.1.0
com.android.support:multidex:1.0.0
com.android.support:design:25.1.0
com.android.support:support-annotations:25.1.0
com.android.support:customtabs:25.1.0
com.android.support:percent:25.1.0
com.android.support:exifinterface:25.1.0
com.android.support:recommendation:25.1.0

References
https://developer.android.com/topic/libraries/support-library/packages.html

Android Activity Events

January 19, 2017

 public class Activity extends ApplicationContext {
     protected void onCreate(Bundle savedInstanceState);

     protected void onStart();

     protected void onRestart();

     protected void onResume();

     protected void onPause();

     protected void onStop();

     protected void onDestroy();
 }

References
https://developer.android.com/reference/android/app/Activity.html