GridLayout
2 列
<?xml version="1.0" encoding="utf-8"?>
<GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:columnCount="2"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:useDefaultMargins="true"
tools:context="com.iosdevlog.tipcalculator.MainActivity">
<EditText
android:id="@+id/amountEditText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_column="0"
android:layout_columnSpan="2"
android:layout_gravity="fill_horizontal"
android:layout_row="0"
android:digits="0123456789"
android:ems="10"
android:inputType="number"
android:maxLength="6" />
<TextView
android:id="@+id/amountTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_column="0"
android:layout_columnSpan="2"
android:layout_gravity="fill_horizontal"
android:layout_row="0"
android:background="@color/amount_background"
android:elevation="@dimen/elevation"
android:hint="@string/enter_amount"
android:padding="@dimen/textview_padding"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/percentTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_column="0"
android:layout_gravity="center_horizontal|right"
android:layout_row="1"
android:text="@string/tip_percentage"
android:textAppearance="?android:attr/textAppearanceMedium" />
<SeekBar
android:id="@+id/percentSeekBar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_column="1"
android:layout_gravity="fill_horizontal"
android:layout_row="1"
android:indeterminate="false"
android:max="30"
android:progress="15" />
<TextView
android:id="@+id/tipLabelTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:text="@string/tip"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/tipTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="fill_horizontal"
android:background="@color/result_background"
android:elevation="@dimen/elevation"
android:gravity="center"
android:padding="@dimen/textview_padding"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/totalLabelTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:text="@string/total"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/totalTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="fill_horizontal"
android:background="@color/result_background"
android:elevation="@dimen/elevation"
android:gravity="center"
android:padding="@dimen/textview_padding"
android:textAppearance="?android:attr/textAppearanceMedium" />
</GridLayout>
Manifast.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.iosdevlog.tipcalculator">
<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=".MainActivity"
android:screenOrientation="portrait"
android:windowSoftInputMode="stateAlwaysVisible">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
android:screenOrientation="portrait"
竖屏
android:windowSoftInputMode="stateAlwaysVisible"
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