Loading core/java/com/android/internal/widget/WeightedLinearLayout.java 0 → 100644 +84 −0 Original line number Diff line number Diff line /* * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.internal.widget; import android.content.Context; import android.content.res.TypedArray; import android.util.AttributeSet; import android.util.DisplayMetrics; import android.widget.LinearLayout; import static android.view.View.MeasureSpec.*; import static com.android.internal.R.*; /** * A special layout when measured in AT_MOST will take up a given percentage of * the available space. */ public class WeightedLinearLayout extends LinearLayout { private float mMajorWeight; private float mMinorWeight; public WeightedLinearLayout(Context context) { super(context); } public WeightedLinearLayout(Context context, AttributeSet attrs) { super(context, attrs); TypedArray a = context.obtainStyledAttributes(attrs, styleable.WeightedLinearLayout); mMajorWeight = a.getFloat(styleable.WeightedLinearLayout_majorWeight, 0.0f); mMinorWeight = a.getFloat(styleable.WeightedLinearLayout_minorWeight, 0.0f); a.recycle(); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { final DisplayMetrics metrics = getContext().getResources().getDisplayMetrics(); final boolean isPortrait = metrics.widthPixels < metrics.heightPixels; final int widthMode = getMode(widthMeasureSpec); super.onMeasure(widthMeasureSpec, heightMeasureSpec); int width = getMeasuredWidth(); int height = getMeasuredHeight(); boolean measure = false; final int widthSize = getSize(widthMeasureSpec); widthMeasureSpec = MeasureSpec.makeMeasureSpec(width, EXACTLY); heightMeasureSpec = MeasureSpec.makeMeasureSpec(height, EXACTLY); final float widthWeight = isPortrait ? mMinorWeight : mMajorWeight; if (widthMode == AT_MOST && widthWeight > 0.0f) { if (width < (widthSize * widthWeight)) { widthMeasureSpec = MeasureSpec.makeMeasureSpec((int) (widthSize * widthWeight), EXACTLY); measure = true; } } // TODO: Support height? if (measure) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); } } } core/res/res/layout/alert_dialog.xml +5 −3 Original line number Diff line number Diff line Loading @@ -18,7 +18,8 @@ */ --> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" <com.android.internal.widget.WeightedLinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/parentPanel" android:layout_width="match_parent" android:layout_height="wrap_content" Loading @@ -27,7 +28,8 @@ android:paddingBottom="3dip" android:paddingLeft="3dip" android:paddingRight="1dip" > android:majorWeight="0.5" android:minorWeight="0.8"> <LinearLayout android:id="@+id/topPanel" android:layout_width="match_parent" Loading Loading @@ -143,4 +145,4 @@ android:visibility="gone" /> </LinearLayout> </LinearLayout> </LinearLayout> </com.android.internal.widget.WeightedLinearLayout> core/res/res/values/attrs.xml +5 −0 Original line number Diff line number Diff line Loading @@ -2334,6 +2334,11 @@ <attr name="orientation" /> </declare-styleable> <!-- @hide --> <declare-styleable name="WeightedLinearLayout"> <attr name="majorWeight" format="float" /> <attr name="minorWeight" format="float" /> </declare-styleable> <!-- ========================= --> <!-- Drawable class attributes --> Loading Loading
core/java/com/android/internal/widget/WeightedLinearLayout.java 0 → 100644 +84 −0 Original line number Diff line number Diff line /* * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.internal.widget; import android.content.Context; import android.content.res.TypedArray; import android.util.AttributeSet; import android.util.DisplayMetrics; import android.widget.LinearLayout; import static android.view.View.MeasureSpec.*; import static com.android.internal.R.*; /** * A special layout when measured in AT_MOST will take up a given percentage of * the available space. */ public class WeightedLinearLayout extends LinearLayout { private float mMajorWeight; private float mMinorWeight; public WeightedLinearLayout(Context context) { super(context); } public WeightedLinearLayout(Context context, AttributeSet attrs) { super(context, attrs); TypedArray a = context.obtainStyledAttributes(attrs, styleable.WeightedLinearLayout); mMajorWeight = a.getFloat(styleable.WeightedLinearLayout_majorWeight, 0.0f); mMinorWeight = a.getFloat(styleable.WeightedLinearLayout_minorWeight, 0.0f); a.recycle(); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { final DisplayMetrics metrics = getContext().getResources().getDisplayMetrics(); final boolean isPortrait = metrics.widthPixels < metrics.heightPixels; final int widthMode = getMode(widthMeasureSpec); super.onMeasure(widthMeasureSpec, heightMeasureSpec); int width = getMeasuredWidth(); int height = getMeasuredHeight(); boolean measure = false; final int widthSize = getSize(widthMeasureSpec); widthMeasureSpec = MeasureSpec.makeMeasureSpec(width, EXACTLY); heightMeasureSpec = MeasureSpec.makeMeasureSpec(height, EXACTLY); final float widthWeight = isPortrait ? mMinorWeight : mMajorWeight; if (widthMode == AT_MOST && widthWeight > 0.0f) { if (width < (widthSize * widthWeight)) { widthMeasureSpec = MeasureSpec.makeMeasureSpec((int) (widthSize * widthWeight), EXACTLY); measure = true; } } // TODO: Support height? if (measure) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); } } }
core/res/res/layout/alert_dialog.xml +5 −3 Original line number Diff line number Diff line Loading @@ -18,7 +18,8 @@ */ --> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" <com.android.internal.widget.WeightedLinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/parentPanel" android:layout_width="match_parent" android:layout_height="wrap_content" Loading @@ -27,7 +28,8 @@ android:paddingBottom="3dip" android:paddingLeft="3dip" android:paddingRight="1dip" > android:majorWeight="0.5" android:minorWeight="0.8"> <LinearLayout android:id="@+id/topPanel" android:layout_width="match_parent" Loading Loading @@ -143,4 +145,4 @@ android:visibility="gone" /> </LinearLayout> </LinearLayout> </LinearLayout> </com.android.internal.widget.WeightedLinearLayout>
core/res/res/values/attrs.xml +5 −0 Original line number Diff line number Diff line Loading @@ -2334,6 +2334,11 @@ <attr name="orientation" /> </declare-styleable> <!-- @hide --> <declare-styleable name="WeightedLinearLayout"> <attr name="majorWeight" format="float" /> <attr name="minorWeight" format="float" /> </declare-styleable> <!-- ========================= --> <!-- Drawable class attributes --> Loading