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请参考如下改法:

1. Launcher2\res\layout\qsb_bar.xml中,

    

        layout="@layout/search_bar"

        android:visibility="gone" /> //加入 android:visibility="gone"

 

2. Launcher2\src\com\android\launcher2\SearchDropTargetBar.java 中

onFinishInflate() 方法内,将mQSBSearchBarFadeInAnim相关的部分作如下修改:

mQSBSearchBarFadeInAnim = ObjectAnimator.ofFloat(mQSBSearchBar, "alpha", 0f); //最后一个参数改为 0f, 原来是 1f

        mQSBSearchBarFadeInAnim.setDuration(sTransitionInDuration);

        mQSBSearchBarFadeInAnim.addListener(new AnimatorListenerAdapter() {

            @Override

            public void onAnimationStart(Animator animation) {

                mQSBSearchBar.setVisibility(View.INVISIBLE); //参数改为 View.INVISIBLE, 原来是 View.VISIBLE

 

3. 仍然是此 java 文件,将showSearchBar() 方法作如下修改:

public void showSearchBar(boolean animated) {

             if (LauncherLog.DEBUG) LauncherLog.d(TAG, "(SearchDropTargetBar)showSearchBar animated = " + animated);

        cancelAnimations();

        if (animated) {

            mQSBSearchBarFadeInAnim.start();

        } else {

            mQSBSearchBar.setVisibility(View.INVISIBLE); //参数改为:View.INVISIBLE

            mQSBSearchBar.setAlpha(0f); //参数改为 0f.

        }

        mIsSearchBarHidden = false;

    }

            }

        });

 

 JB: 

1. Launcher2\res\layout\qsb_bar.xml中,

    

        layout="@layout/search_bar"

        android:visibility="gone" /> //加入 android:visibility="gone"

 

2.  packages\apps\Launcher2\res\layout-port\launcher.xml

            android:id="@+id/voice_button_proxy"
            android:layout_width="80dp"
            android:layout_height="@dimen/qsb_bar_height"
            android:layout_gravity="top|right"
            android:clickable="false"    //modify this value to false
            onClick="onClickVoiceButton"
            android:importantForAccessibility="no"
            launcher:sourceViewId="@+id/voice_button" />

 

3.  Launcher2\src\com\android\launcher2\SearchDropTargetBar.java 中

onFinishInflate() 方法内,将mQSBSearchBarAnim 相关的部分作如下修改:

// Create the various fade animations

        if (mEnableDropDownDropTargets) {

            mDropTargetBar.setTranslationY(-mBarHeight);

            mDropTargetBarAnim = ObjectAnimator.ofFloat(mDropTargetBar, "translationY",

                    -mBarHeight, 0f);

            mQSBSearchBarAnim = ObjectAnimator.ofFloat(mQSBSearchBar, "translationY", -mBarHeight,

                    -mBarHeight); //modify 3rd para to -mBarHeight

        } else {

            mDropTargetBar.setAlpha(0f);

            mDropTargetBarAnim = ObjectAnimator.ofFloat(mDropTargetBar, "alpha", 0f, 1f);

            mQSBSearchBarAnim = ObjectAnimator.ofFloat(mQSBSearchBar, "alpha", 0f, 0f); //modify 3rd para to 0f;

        }

 

4.  仍然是这只 java 文件,将showSearchBar 方法作如下修改:

public void showSearchBar(boolean animated) {

        if (!mIsSearchBarHidden) return;

        if (animated) {

            prepareStartAnimation(mQSBSearchBar);

            mQSBSearchBarAnim.reverse();

        } else {

            mQSBSearchBarAnim.cancel();

            if (mEnableDropDownDropTargets) {

                mQSBSearchBar.setTranslationY(0);

            } else {

                mQSBSearchBar.setAlpha(0f); //参数改为 0f;

            }

        }

        mIsSearchBarHidden = false;

    }

 


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