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Add touch slop before sending home intent from DeviceLockedInputConsumer

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Bug: 128808922
Change-Id: I4eaa5ba627f123022310c23663b6711c0eb62518
This commit is contained in:
Tony
2019-04-19 14:30:36 -07:00
parent de0093dfa5
commit 72eadbad80
1 changed files with 18 additions and 4 deletions
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quickstep/recents_ui_overrides/src/com/android/quickstep/DeviceLockedInputConsumer.java
+18 -4
View File
@@ -17,7 +17,9 @@ package com.android.quickstep;
import android.content.Context;
import android.content.Intent;
import android.graphics.PointF;
import android.view.MotionEvent;
import android.view.ViewConfiguration;
/**
* A dummy input consumer used when the device is still locked, e.g. from secure camera.
@@ -25,9 +27,13 @@ import android.view.MotionEvent;
public class DeviceLockedInputConsumer implements InputConsumer {
private final Context mContext;
private final float mTouchSlopSquared;
private final PointF mTouchDown = new PointF();
public DeviceLockedInputConsumer(Context context) {
mContext = context;
float touchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
mTouchSlopSquared = touchSlop * touchSlop;
}
@Override
@@ -37,11 +43,19 @@ public class DeviceLockedInputConsumer implements InputConsumer {
@Override
public void onMotionEvent(MotionEvent ev) {
// For now, just start the home intent so user is prompted to unlock the device.
float x = ev.getX();
float y = ev.getY();
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
mContext.startActivity(new Intent(Intent.ACTION_MAIN)
.addCategory(Intent.CATEGORY_HOME)
.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
mTouchDown.set(x, y);
} else if (ev.getAction() == MotionEvent.ACTION_MOVE) {
float xSquared = (x - mTouchDown.x) * (x - mTouchDown.x);
float ySquared = (y - mTouchDown.y) * (y - mTouchDown.y);
if (xSquared + ySquared > mTouchSlopSquared) {
// For now, just start the home intent so user is prompted to unlock the device.
mContext.startActivity(new Intent(Intent.ACTION_MAIN)
.addCategory(Intent.CATEGORY_HOME)
.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
}
}
}
}