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MainActivity.java
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/
MainActivity.java
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package com.mhaidarhanif.android.kargu;
import android.app.Activity;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity {
public static final String EXTRA_NUMBER = "NUMBER";
private static Drawable sLogoKargu;
// For complete title purpose. Will be used later
// String appEditionName = getString(R.string.name_app) + " " + getString(R.string.name_edition);
TextView mTextView; // Text view in layout
int mNumberInput; // First number input to fill
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Avoid leaks by keep potential used image in a static field
if (sLogoKargu == null) {
sLogoKargu = this.getResources().getDrawable(R.drawable.ic_launcher);
}
// Set UI layout for this activity
// Layout file is defined in res/layout/main_activity.xml
setContentView(R.layout.activity_main);
// Initialize member TextView
mTextView = (TextView) findViewById(R.id.about_title);
}
@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
// Save current input if apply
savedInstanceState.putInt(EXTRA_NUMBER, mNumberInput);
super.onSaveInstanceState(savedInstanceState);
}
public void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
// Restore previous input number if apply
mNumberInput = savedInstanceState.getInt(EXTRA_NUMBER);
}
@Override
public void onDestroy() {
super.onDestroy();
// Stop method tracing that activity started during onCreate()
android.os.Debug.stopMethodTracing();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate menu and add item to action bar if present
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
// Called when press calculateNumber
public void calculateNumber(View view) {
Intent intent = new Intent(this, DisplayNumberActivity.class);
EditText editText = (EditText) findViewById(R.id.edit_inputNumber);
String number = editText.getText().toString();
intent.putExtra(EXTRA_NUMBER, number);
startActivity(intent);
}
public void openDialog(View v) {
Intent intent = new Intent(MainActivity.this, AboutDialogActivity.class);
startActivity(intent);
}
}