Use 2 arguments LinearLayout constructor

To maintain backward compatibility back to Froyo, we can't call
3-argument constructor of LinearLayout.

Change-Id: I35310704f92812d2748d32f35820a5058fa2bf31
main
Tadashi G. Takaoka 2011-06-20 23:23:33 +09:00
parent 416534d032
commit f921129f9b
4 changed files with 72 additions and 4 deletions

View File

@ -44,7 +44,8 @@
android:layout_weight="1.0" android:layout_weight="1.0"
android:layout_width="0dp" android:layout_width="0dp"
android:layout_height="@dimen/candidate_strip_height" android:layout_height="@dimen/candidate_strip_height"
android:gravity="center_vertical" /> android:gravity="center_vertical"
style="?attr/candidateViewStyle" />
<View <View
android:layout_width="@dimen/candidate_strip_padding" android:layout_width="@dimen/candidate_strip_padding"
android:layout_height="@dimen/candidate_strip_height" android:layout_height="@dimen/candidate_strip_height"

View File

@ -91,7 +91,7 @@ public class CompatUtils {
return null; return null;
} }
public static Constructor<?> getConstructor(Class<?> targetClass, Class<?>[] types) { public static Constructor<?> getConstructor(Class<?> targetClass, Class<?> ... types) {
if (targetClass == null || types == null) return null; if (targetClass == null || types == null) return null;
try { try {
return targetClass.getConstructor(types); return targetClass.getConstructor(types);
@ -103,7 +103,7 @@ public class CompatUtils {
return null; return null;
} }
public static Object newInstance(Constructor<?> constructor, Object[] args) { public static Object newInstance(Constructor<?> constructor, Object ... args) {
if (constructor == null) return null; if (constructor == null) return null;
try { try {
return constructor.newInstance(args); return constructor.newInstance(args);

View File

@ -0,0 +1,55 @@
/*
* Copyright (C) 2011 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.inputmethod.compat;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import java.lang.reflect.Field;
public class LinearLayoutCompatUtils {
private static final String TAG = LinearLayoutCompatUtils.class.getSimpleName();
private static final Class<?> CLASS_R_STYLEABLE = CompatUtils.getClass(
"com.android.internal.R$styleable");
private static final Field STYLEABLE_VIEW = CompatUtils.getField(
CLASS_R_STYLEABLE, "View");
private static final Field STYLEABLE_VIEW_BACKGROUND = CompatUtils.getField(
CLASS_R_STYLEABLE, "View_background");
private static final Object VALUE_STYLEABLE_VIEW = CompatUtils.getFieldValue(
null, null, STYLEABLE_VIEW);
private static final Integer VALUE_STYLEABLE_VIEW_BACKGROUND =
(Integer)CompatUtils.getFieldValue(null, null, STYLEABLE_VIEW_BACKGROUND);
public static Drawable getBackgroundDrawable(Context context, AttributeSet attrs,
int defStyleAttr, int defStyleRes) {
if (!(VALUE_STYLEABLE_VIEW instanceof int[]) || VALUE_STYLEABLE_VIEW_BACKGROUND == null) {
Log.w(TAG, "Can't get View background attribute using reflection");
return null;
}
final int[] styleableView = (int[])VALUE_STYLEABLE_VIEW;
final TypedArray a = context.obtainStyledAttributes(
attrs, styleableView, defStyleAttr, defStyleRes);
final Drawable background = a.getDrawable(VALUE_STYLEABLE_VIEW_BACKGROUND);
a.recycle();
return background;
}
}

View File

@ -44,6 +44,7 @@ import android.widget.LinearLayout;
import android.widget.PopupWindow; import android.widget.PopupWindow;
import android.widget.TextView; import android.widget.TextView;
import com.android.inputmethod.compat.LinearLayoutCompatUtils;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo; import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import java.util.ArrayList; import java.util.ArrayList;
@ -148,7 +149,18 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
} }
public CandidateView(Context context, AttributeSet attrs, int defStyle) { public CandidateView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle); // Note: Up to version 10 (Gingerbread) of the API, LinearLayout doesn't have 3-argument
// constructor.
// TODO: Call 3-argument constructor, super(context, attrs, defStyle), when we abandon
// backward compatibility with the version 10 or earlier of the API.
super(context, attrs);
if (defStyle != R.attr.candidateViewStyle) {
throw new IllegalArgumentException(
"can't accept defStyle other than R.attr.candidayeViewStyle: defStyle="
+ defStyle);
}
setBackgroundDrawable(LinearLayoutCompatUtils.getBackgroundDrawable(
context, attrs, defStyle, R.style.CandidateViewStyle));
Resources res = context.getResources(); Resources res = context.getResources();
LayoutInflater inflater = LayoutInflater.from(context); LayoutInflater inflater = LayoutInflater.from(context);