smkcodingday2intent

README.txt

Langkah pembuatan:
1. Buat SecondActivity
2. Ubah activity_main.xml
3. Ubah MainActivity.java
4. Ubah activity_second.xml
5. Ubah SecondActivity.java

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:text="Nilai yang ingin dikirimkan"
        android:textSize="20sp" />

    <EditText
        android:id="@+id/main_edittext_nilai_yang_dikirim"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="10dp" />

    <Button
        android:id="@+id/main_button_second_activity"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:text="Kirim" />
</LinearLayout>

activity_second.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:id="@+id/main_textview_nilai"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:layout_margin="10dp"
        android:textSize="25sp"
        />

    <Button
        android:id="@+id/main_button_lihat_link_url"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Buka Alamat URL"
        android:layout_margin="20dp"
        android:layout_gravity="center_horizontal"
        />
</LinearLayout>

AndroidManifest.xml

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

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

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

MainActivity.java

package com.coba.pengenalan;

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

public class MainActivity extends AppCompatActivity {
    EditText editTextNilai;
    Button buttonKirim;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        editTextNilai = findViewById(R.id.main_edittext_nilai_yang_dikirim);
        buttonKirim = findViewById(R.id.main_button_second_activity);
        buttonKirim.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (editTextNilai.getText().toString().isEmpty()) {
                    Toast.makeText(MainActivity.this, "Isi dahulu nilai yang ingin dikirim ke Activity kedua", Toast.LENGTH_SHORT).show();
                } else {
                    Intent intentSecondActivity = new Intent(MainActivity.this, SecondActivity.class);
                    intentSecondActivity.putExtra("nilai", editTextNilai.getText().toString());
                    startActivity(intentSecondActivity);
                }
            }
        });
    }
}

SecondActivity.java

package com.coba.pengenalan;

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

public class SecondActivity extends AppCompatActivity {
    String nilai;
    TextView textViewNilai;
    Button buttonLihatUrl;
    String alamatUrl;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_second);
        textViewNilai = findViewById(R.id.main_textview_nilai);
        buttonLihatUrl = findViewById(R.id.main_button_lihat_link_url);
        nilai = getIntent().getStringExtra("nilai");
        alamatUrl = "codelabs.unikom.ac.id";
        textViewNilai.setText(nilai);
        buttonLihatUrl.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (!alamatUrl.startsWith("http://") && !alamatUrl.startsWith("https://"))
                    alamatUrl = "http://" + alamatUrl;

                Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(alamatUrl));
                startActivity(browserIntent);
            }
        });
    }
}