这是indexloc提供的服务，不要输入任何密码
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Switch session by left/right swipe #452

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Switch session by left/right swipe #452

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4e1cb2c
Add gesture listener for terminal view
asavonic Oct 15, 2017
b2ec40b
Detect swipe direction and distance
asavonic Oct 15, 2017
95886d9
Switch session forward/backward for horizontal swipe
asavonic Oct 15, 2017
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46 changes: 46 additions & 0 deletions app/src/main/java/com/termux/app/TermuxActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,11 +39,14 @@
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
Expand Down Expand Up @@ -139,6 +142,11 @@ public final class TermuxActivity extends Activity implements ServiceConnection
.setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION).build()).build();
int mBellSoundId;

/** Swipe gesture detection.
*/
GestureDetector mGestureDetector;
View.OnTouchListener mGestureListener;

private final BroadcastReceiver mBroadcastReceiever = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
Expand Down Expand Up @@ -337,6 +345,14 @@ public boolean onLongClick(View v) {
checkForFontAndColors();

mBellSoundId = mBellSoundPool.load(this, R.raw.bell, 1);

mGestureDetector = new GestureDetector(this, new SwipeGestureListener());
mGestureListener = new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent ev) {
return mGestureDetector.onTouchEvent(ev);
}
};
mTerminalView.setOnTouchListener(mGestureListener);
}

void toggleShowExtraKeys() {
Expand Down Expand Up @@ -867,4 +883,34 @@ public void removeFinishedSession(TerminalSession finishedSession) {
}
}

class SwipeGestureListener extends SimpleOnGestureListener {
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
double dx = e2.getX() - e1.getX();
double dy = e2.getY() - e1.getY();

double distance = Math.hypot(dx, dy);
double angle = Math.atan(dy / dx);

boolean isRight = dx > 0;

double maxAngleForHorizontal = Math.PI / 8;
boolean isHorizontal = Math.abs(angle) < maxAngleForHorizontal;

double minInchesForSwipe = 1.2;
int dpi = getResources().getDisplayMetrics().densityDpi;
boolean isSwipe = (distance / dpi) > minInchesForSwipe;

if (isSwipe && isHorizontal) {
return onHorizontalSwipe(isRight);
}

return false;
}

public boolean onHorizontalSwipe(boolean isRight) {
switchToSession(isRight);
return true;
}
}
}