mirror of
https://github.com/LawnchairLauncher/lawnchair.git
synced 2026-02-19 18:58:19 +00:00
Adding support for hiding widgets from the widget tray and reconfiguring widgets
> Removing AppInfo target > Switching between uninstall and setup based on the drag view Bug: 63931362 Change-Id: Iccd6f965fa3d61992244a365efc242122292c0ca
This commit is contained in:
Sunny Goyal
@@ -1,218 +0,0 @@
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package com.android.launcher3;
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import static com.android.launcher3.ItemInfoWithIcon.FLAG_SYSTEM_MASK;
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import static com.android.launcher3.ItemInfoWithIcon.FLAG_SYSTEM_NO;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.LauncherActivityInfo;
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import android.content.pm.PackageManager;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.UserHandle;
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import android.os.UserManager;
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import android.util.ArrayMap;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.View;
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import android.widget.Toast;
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import com.android.launcher3.Launcher.OnResumeCallback;
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import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
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import com.android.launcher3.compat.LauncherAppsCompat;
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import com.android.launcher3.dragndrop.DragOptions;
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import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
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import java.net.URISyntaxException;
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public class UninstallDropTarget extends ButtonDropTarget implements OnAlarmListener {
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private static final String TAG = "UninstallDropTarget";
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private static final long CACHE_EXPIRE_TIMEOUT = 5000;
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private final ArrayMap<UserHandle, Boolean> mUninstallDisabledCache = new ArrayMap<>(1);
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private final Alarm mCacheExpireAlarm;
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public UninstallDropTarget(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public UninstallDropTarget(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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mCacheExpireAlarm = new Alarm();
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mCacheExpireAlarm.setOnAlarmListener(this);
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}
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@Override
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protected void onFinishInflate() {
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super.onFinishInflate();
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setupUi();
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}
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protected void setupUi() {
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// Get the hover color
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mHoverColor = getResources().getColor(R.color.uninstall_target_hover_tint);
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setDrawable(R.drawable.ic_uninstall_shadow);
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}
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@Override
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public void onAlarm(Alarm alarm) {
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mUninstallDisabledCache.clear();
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}
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@Override
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public int getAccessibilityAction() {
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return LauncherAccessibilityDelegate.UNINSTALL;
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}
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@Override
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protected boolean supportsDrop(ItemInfo info) {
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Boolean uninstallDisabled = mUninstallDisabledCache.get(info.user);
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if (uninstallDisabled == null) {
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UserManager userManager =
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(UserManager) getContext().getSystemService(Context.USER_SERVICE);
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Bundle restrictions = userManager.getUserRestrictions(info.user);
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uninstallDisabled = restrictions.getBoolean(UserManager.DISALLOW_APPS_CONTROL, false)
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|| restrictions.getBoolean(UserManager.DISALLOW_UNINSTALL_APPS, false);
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mUninstallDisabledCache.put(info.user, uninstallDisabled);
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}
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// Cancel any pending alarm and set cache expiry after some time
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mCacheExpireAlarm.setAlarm(CACHE_EXPIRE_TIMEOUT);
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if (uninstallDisabled) {
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return false;
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}
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if (info instanceof ItemInfoWithIcon) {
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ItemInfoWithIcon iconInfo = (ItemInfoWithIcon) info;
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if ((iconInfo.runtimeStatusFlags & FLAG_SYSTEM_MASK) != 0) {
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return (iconInfo.runtimeStatusFlags & FLAG_SYSTEM_NO) != 0;
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}
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}
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return getUninstallTarget(info) != null;
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}
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/**
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* @return the component name that should be uninstalled or null.
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*/
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private ComponentName getUninstallTarget(ItemInfo item) {
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Intent intent = null;
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UserHandle user = null;
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if (item != null &&
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item.itemType == LauncherSettings.BaseLauncherColumns.ITEM_TYPE_APPLICATION) {
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intent = item.getIntent();
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user = item.user;
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}
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if (intent != null) {
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LauncherActivityInfo info = LauncherAppsCompat.getInstance(mLauncher)
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.resolveActivity(intent, user);
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if (info != null
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&& (info.getApplicationInfo().flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
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return info.getComponentName();
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}
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}
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return null;
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}
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@Override
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public void onDrop(DragObject d, DragOptions options) {
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// Defer onComplete
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d.dragSource = new DeferredOnComplete(d.dragSource, getContext());
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super.onDrop(d, options);
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}
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@Override
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public void completeDrop(final DragObject d) {
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ComponentName target = performDropAction(d.dragInfo);
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if (d.dragSource instanceof DeferredOnComplete) {
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DeferredOnComplete deferred = (DeferredOnComplete) d.dragSource;
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if (target != null) {
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deferred.mPackageName = target.getPackageName();
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mLauncher.setOnResumeCallback(deferred);
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} else {
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deferred.sendFailure();
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}
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}
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}
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/**
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* Performs the drop action and returns the target component for the dragObject or null if
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* the action was not performed.
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*/
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protected ComponentName performDropAction(ItemInfo info) {
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ComponentName cn = getUninstallTarget(info);
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if (cn == null) {
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// System applications cannot be installed. For now, show a toast explaining that.
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// We may give them the option of disabling apps this way.
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Toast.makeText(mLauncher, R.string.uninstall_system_app_text, Toast.LENGTH_SHORT).show();
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return null;
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}
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try {
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Intent i = Intent.parseUri(mLauncher.getString(R.string.delete_package_intent), 0)
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.setData(Uri.fromParts("package", cn.getPackageName(), cn.getClassName()))
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.putExtra(Intent.EXTRA_USER, info.user);
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mLauncher.startActivity(i);
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return cn;
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} catch (URISyntaxException e) {
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Log.e(TAG, "Failed to parse intent to start uninstall activity for item=" + info);
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return null;
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}
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}
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@Override
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public void onAccessibilityDrop(View view, ItemInfo item) {
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performDropAction(item);
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}
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/**
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* A wrapper around {@link DragSource} which delays the {@link #onDropCompleted} action until
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* {@link #onLauncherResume}
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*/
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private class DeferredOnComplete implements DragSource, OnResumeCallback {
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private final DragSource mOriginal;
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private final Context mContext;
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private String mPackageName;
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private DragObject mDragObject;
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public DeferredOnComplete(DragSource original, Context context) {
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mOriginal = original;
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mContext = context;
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}
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@Override
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public void onDropCompleted(View target, DragObject d,
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boolean success) {
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mDragObject = d;
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}
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@Override
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public void fillInLogContainerData(View v, ItemInfo info, Target target,
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Target targetParent) {
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mOriginal.fillInLogContainerData(v, info, target, targetParent);
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}
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@Override
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public void onLauncherResume() {
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// We use MATCH_UNINSTALLED_PACKAGES as the app can be on SD card as well.
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if (LauncherAppsCompat.getInstance(mContext)
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.getApplicationInfo(mPackageName, PackageManager.MATCH_UNINSTALLED_PACKAGES,
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mDragObject.dragInfo.user) == null) {
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mDragObject.dragSource = mOriginal;
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mOriginal.onDropCompleted(UninstallDropTarget.this, mDragObject, true);
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} else {
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sendFailure();
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}
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}
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public void sendFailure() {
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mDragObject.dragSource = mOriginal;
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mDragObject.cancelled = true;
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mOriginal.onDropCompleted(UninstallDropTarget.this, mDragObject, false);
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}
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}
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}
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