Laboratoriya ishi №6

Laboratoriyaning amaliy qismi.
Ba'zi tartib asoslarini va TextView, EditText va Button kabi elementlarni bilgan holda, siz allaqachon ko‘proq yoki kamroq to‘liq dastur yaratishingiz mumkin. Bunday holda, biz oddiy kalkulyator qilamiz.



xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android: padding="8dp">

android: id="@+id/resultField"
android:layout_width="0dp"
android:layout_height="wrap_content"
ilova:layout_constraintHorizontal_weight="1"
android: textSize="18sp"
ilova:layout_constraintTop_toTopOf="ota-ona"
ilova:layout_constraintLeft_toLeftOf="ota-ona"
ilova:layout_constraintRight_toLeftOf="@+id/operationField"/>

android: id="@+id/operationField"
android:layout_width="0dp"
android:layout_height="wrap_content"
ilova:layout_constraintHorizontal_weight="1"
android: textSize="18sp"
ilova:layout_constraintTop_toTopOf="ota-ona"
ilova:layout_constraintRight_toRightOf="ota-ona"
ilova:layout_constraintLeft_toRightOf="@+id/resultField"
/>

android: id="@+id/numberField"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:inputType="telefon"
ilova:layout_constraintTop_toBottomOf="@+id/resultField"
ilova:layout_constraintLeft_toLeftOf="ota-ona"
ilova:layout_constraintRight_toRightOf="ota-ona"/>


android: id="@+id/firstButtonPanel"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
ilova:layout_constraintTop_toBottomOf="@+id/numberField"
ilova:layout_constraintLeft_toLeftOf="ota-ona"
ilova:layout_constraintRight_toRightOf="ota-ona">
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android: matn = "7"
android:onClick="onNumberClick"/>
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
Android: matn = "8"
android:onClick="onNumberClick"/>
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
Android: matn = "9"
android:onClick="onNumberClick"/>
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android: text="/"
android:onClick="onOperationClick"/>

android: id="@+id/secondButtonPanel"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
ilova:layout_constraintTop_toBottomOf="@+id/firstButtonPanel"
ilova:layout_constraintLeft_toLeftOf="ota-ona"
ilova:layout_constraintRight_toRightOf="ota-ona">
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
Android: matn = "4"
android:onClick="onNumberClick"/>



1-rasm. Kalkulyator interfeysi