Month: February 2017

MainActivity.java

package iterator.ir.appc;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    Button buttonShow;

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

        buttonShow= (Button) findViewById(R.id.buttonShow);

        buttonShow.setOnClickListener(buttonShow_OnClickListener);
    }

    View.OnClickListener buttonShow_OnClickListener=new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent=new Intent("ir.iterator.AppA.MessageActivity");

            Intent chooser=Intent.createChooser(intent,"APP Selector");

            startActivity(chooser);
        }
    };
}

References
https://github.com/mhdr/AndroidSamples/tree/master/037

AppA MainActivity.java

package iterator.ir.appa;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    Button buttonShow;

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

        buttonShow= (Button) findViewById(R.id.buttonShow);

        buttonShow.setOnClickListener(buttonShow_OnClickListener);
    }

    View.OnClickListener buttonShow_OnClickListener=new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent=new Intent(getBaseContext(),MessageActivity.class);
            startActivity(intent);
        }
    };
}

AppA AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="iterator.ir.appa">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".MessageActivity">
            <intent-filter>
                <action android:name="ir.iterator.AppA.MessageActivity" />
                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </activity>
    </application>

AppB MainActivity.java

package iterator.ir.appb;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    Button buttonShow;

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

        buttonShow= (Button) findViewById(R.id.buttonShow);
        buttonShow.setOnClickListener(buttonShow_OnClickListener);

    }

    View.OnClickListener buttonShow_OnClickListener=new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent=new Intent("ir.iterator.AppA.MessageActivity");
            startActivity(intent);
        }
    };
}

References
https://github.com/mhdr/AndroidSamples/tree/master/036

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.a033.MainActivity"
    android:orientation="vertical">

    <fragment
        android:layout_width="match_parent"
        android:layout_height="100dp"
        android:name="iterator.ir.a033.FirstFragment"
        android:id="@+id/fragment1"
        tools:layout="@layout/fragment_first" />

    <View
        android:layout_width="match_parent"
        android:layout_height="20dp" />

    <fragment
        android:layout_width="match_parent"
        android:layout_height="100dp"
        android:name="iterator.ir.a033.SecondFragment"
        android:id="@+id/fragment2"
        tools:layout="@layout/fragment_second" />

</LinearLayout>

References
https://github.com/mhdr/AndroidSamples/tree/master/033

FirstFragment.java

public class FirstFragment extends Fragment {

    Button buttonSend;
    EditText editTextName;

    private OnFragment1InteractionListener mListener;

    public FirstFragment() {

    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view= inflater.inflate(R.layout.fragment_first, container, false);

        buttonSend= (Button) view.findViewById(R.id.buttonSend);
        editTextName= (EditText) view.findViewById(R.id.editTextName);

        buttonSend.setOnClickListener(onClickListener);

        return view;
    }

    View.OnClickListener onClickListener=new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String name=editTextName.getText().toString();
            onButtonPressed(name);
        }
    };

    public void onButtonPressed(String name) {
        if (mListener != null) {
            mListener.onFragment1ButtonClicked(name);
        }
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof OnFragment1InteractionListener) {
            mListener = (OnFragment1InteractionListener) context;
        } else {
            throw new RuntimeException(context.toString()
                    + " must implement OnFragment1InteractionListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    public interface OnFragment1InteractionListener {
        void onFragment1ButtonClicked(String name);
    }
}

SecondFragment.java

public class SecondFragment extends Fragment {

    TextView textViewMessage;

    public SecondFragment() {

    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View  view= inflater.inflate(R.layout.fragment_second, container, false);

        textViewMessage= (TextView) view.findViewById(R.id.textViewMessage);

        return view;
    }

    public void setTextViewMessage(String name)
    {
        textViewMessage.setText("Hello " + name);
    }
}

MainActivity.java

public class MainActivity extends AppCompatActivity implements FirstFragment.OnFragment1InteractionListener{

    RelativeLayout container1;
    RelativeLayout container2;

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

        container1= (RelativeLayout) findViewById(R.id.relativeLayoutContainer1);
        container2= (RelativeLayout) findViewById(R.id.relativeLayoutContainer2);

        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();


        FirstFragment firstFragment=new FirstFragment();
        SecondFragment secondFragment=new SecondFragment();

        transaction.add(R.id.relativeLayoutContainer1,firstFragment);
        transaction.add(R.id.relativeLayoutContainer2,secondFragment);

        transaction.commit();
    }

    @Override
    public void onFragment1ButtonClicked(String name) {
        SecondFragment fragment= (SecondFragment) getSupportFragmentManager().findFragmentById(R.id.relativeLayoutContainer2);
        fragment.setTextViewMessage(name);
    }
}

References
https://github.com/mhdr/AndroidSamples/tree/master/032