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package invalid.lena.scrcpy;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.view.WindowInsets;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import java.util.List;
// Pairing form + saved-device list.
//
// Layout: host, pair-port, pair-code, connect-port + a single "Pair and save"
// button. After a successful pair() against the daemon, the row is appended
// to devices.json with the *connect* port (different from the pair port on
// Android 11+). Tapping a saved row launches the Mirror activity with the
// target host/port; Mirror owns its own Adb instance loaded from the same
// on-disk keypair.
public final class Main extends Activity {
private volatile Adb adb;
private ArrayAdapter<Devices.Device> adapter;
private Button pairButton;
@Override
protected void onCreate(Bundle saved) {
super.onCreate(saved);
setContentView(R.layout.main);
// The IME inset is in the mask too: the window is edge-to-edge, so
// nothing resizes it when the keyboard opens. Padding the root
// shrinks the weighted device list and keeps the form reachable.
Ui.padForInsets(findViewById(R.id.root),
WindowInsets.Type.systemBars() | WindowInsets.Type.ime());
EditText host = findViewById(R.id.host);
EditText pairPort = findViewById(R.id.pair_port);
EditText pairCode = findViewById(R.id.pair_code);
EditText connectPort = findViewById(R.id.connect_port);
pairButton = findViewById(R.id.pair);
View settingsBtn = findViewById(R.id.settings);
ListView devices = findViewById(R.id.devices);
TextView devicesEmpty = findViewById(R.id.devices_empty);
settingsBtn.setOnClickListener(v -> startActivity(
new Intent(this, SettingsActivity.class)));
adapter = new ArrayAdapter<>(this, R.layout.device_row, R.id.device_label, Devices.load(this));
devices.setAdapter(adapter);
devices.setEmptyView(devicesEmpty);
// RSA keygen on first launch can take 1-3 s; never on the UI thread.
pairButton.setEnabled(false);
new Thread(() -> {
try {
Adb a = Adb.getInstance(this);
runOnUiThread(() -> {
adb = a;
pairButton.setEnabled(true);
});
} catch (Exception e) {
Log.e(e, "adb init failed");
runOnUiThread(() -> {
Toast.makeText(this, "adb init failed: " + e.getMessage(),
Toast.LENGTH_LONG).show();
finish();
});
}
}, "adb-init").start();
devices.setOnItemClickListener((parent, view, pos, id) -> {
Devices.Device d = adapter.getItem(pos);
Log.i("connect tap: %s", d);
Intent i = new Intent(this, Mirror.class);
i.putExtra(Mirror.EXTRA_HOST, d.host);
i.putExtra(Mirror.EXTRA_PORT, d.port);
startActivity(i);
});
devices.setOnItemLongClickListener((parent, view, pos, id) -> {
Devices.Device d = adapter.getItem(pos);
new AlertDialog.Builder(this)
.setTitle(R.string.forget_device)
.setMessage(d.host + ":" + d.port)
.setPositiveButton(android.R.string.ok, (dlg, w) -> {
Log.i("forget device: %s", d);
try {
List<Devices.Device> updated = Devices.remove(this, d);
adapter.clear();
adapter.addAll(updated);
adapter.notifyDataSetChanged();
} catch (Exception e) {
Log.e(e, "forget device: save failed");
Toast.makeText(this, "could not save device list",
Toast.LENGTH_LONG).show();
}
})
.setNegativeButton(android.R.string.cancel, null)
.show();
return true;
});
pairButton.setOnClickListener(v -> {
if (adb == null) return; // still initialising
String h = host.getText().toString().trim();
String pp = pairPort.getText().toString().trim();
String pc = pairCode.getText().toString().trim();
String cp = connectPort.getText().toString().trim();
if (TextUtils.isEmpty(h) || TextUtils.isEmpty(pp)
|| TextUtils.isEmpty(pc) || TextUtils.isEmpty(cp)) {
Toast.makeText(this, "fill all four fields", Toast.LENGTH_SHORT).show();
return;
}
int pairP, connP;
try {
pairP = Integer.parseInt(pp);
connP = Integer.parseInt(cp);
} catch (NumberFormatException e) {
Toast.makeText(this, "ports must be numeric", Toast.LENGTH_SHORT).show();
return;
}
if (pairP < 1 || pairP > 65535 || connP < 1 || connP > 65535) {
Toast.makeText(this, "ports must be 1-65535", Toast.LENGTH_SHORT).show();
return;
}
pairButton.setEnabled(false);
Toast.makeText(this, R.string.pairing, Toast.LENGTH_SHORT).show();
new Thread(() -> pairAndSave(h, pairP, pc, connP, pairButton), "pair").start();
});
}
private void pairAndSave(String host, int pairPort, String code, int connPort, Button btn) {
try {
Log.i("pair: %s:%d", host, pairPort);
boolean ok = adb.pair(host, pairPort, code);
if (!ok) throw new IllegalStateException("pair returned false");
Log.i("pair ok host=%s pair_port=%d", host, pairPort);
Devices.Device d = new Devices.Device(host, connPort);
List<Devices.Device> updated = Devices.upsert(this, d);
runOnUiThread(() -> {
adapter.clear();
adapter.addAll(updated);
adapter.notifyDataSetChanged();
Toast.makeText(this, "paired and saved", Toast.LENGTH_SHORT).show();
btn.setEnabled(true);
});
} catch (Exception e) {
Log.e(e, "pair failed");
runOnUiThread(() -> {
Toast.makeText(this, "pair failed: " + e.getMessage(), Toast.LENGTH_LONG).show();
btn.setEnabled(true);
});
}
}
}
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