Код: Выделить всё
res/layout/activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Button
android:id="@+id/button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Button" />
<TextView
android:id="@+id/textView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
/>
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>Код: Выделить всё
res/layout_land/activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Button
android:id="@+id/button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Button" />
<TextView
android:id="@+id/textView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
/>
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>Код: Выделить всё
package com.example.myapplication;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.util.Log;
public class MainActivity extends AppCompatActivity {
TextView textView;
Button button;
String out;
int flag = 0;
final String LOG_TAG = "myLogs";
String mas[] = {
"Which method can be defined only once in a program?",
"Which of these is not a bitwise operator?",
"Which keyword is used by method to refer to the object that invoked it?",
"Which of these keywords is used to define interfaces in Java?",
"Which of these access specifiers can be used for an interface?",
"Which of the following is correct way of importing an entire package ‘pkg’?",
"What is the return type of Constructors?",
"Which of the following package stores all the standard java classes?",
"Which of these method of class String is used to compare two String objects for their equality?",
"An expression involving byte, int, & literal numbers is promoted to which of these?"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = (TextView) findViewById(R.id.textView);
button = (Button) findViewById(R.id.button);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
flag++;
if (flag < mas.length) {
textView.setText(mas[flag]);
out = textView.toString();
}
}
});
}
protected void onDestroy() {
super.onDestroy();
Log.d(LOG_TAG, "onDestroy");
}
protected void onPause() {
super.onPause();
Log.d(LOG_TAG, "onPause");
}
protected void onRestart() {
super.onRestart();
Log.d(LOG_TAG, "onRestart");
}
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
out = savedInstanceState.getString("out");
Log.d(LOG_TAG, "onRestoreInstanceState");
}
protected void onResume() {
super.onResume();
Log.d(LOG_TAG, "onResume ");
}
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putString("out", out);
Log.d(LOG_TAG, "onSaveInstanceState");
}
protected void onStart() {
super.onStart();
Log.d(LOG_TAG, "onStart");
}
protected void onStop() {
super.onStop();
Log.d(LOG_TAG, "onStop");
}
public void onclick(View v) {
}
}