我正在使用android studio创建井字游戏，但我的应用程序不断崩溃
我在模拟器上测试了此应用，并在此处复制了logcat！
这是我的代码
public class LoginActivity extends AppCompatActivity {
private TextView twoPlayerLabel;
private TextView optionsLabel;
private MediaPlayer intro;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
twoPlayerLabel = (TextView) findViewById(R.id.two_player_label);
optionsLabel = (TextView) findViewById(R.id.options_label);
}
public void twoPlayer(View v) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
LayoutInflater inflater = getLayoutInflater();
final View layout = inflater.inflate(R.layout.two_player_options, null);
final Intent twoPlayerLocal = new Intent(LoginActivity.this, TwoPlayerActivityLocal.class);
final TextView playerOneName = (TextView) layout.findViewById(R.id.player_one);
final TextView playerTwoName = (TextView) layout.findViewById(R.id.player_two);
final RadioButton localGame = (RadioButton) layout.findViewById(R.id.local_game);
final RadioButton bluetoothGame = (RadioButton) layout.findViewById(R.id.bluetooth_game);
final RadioButton oMarker = (RadioButton) layout.findViewById(R.id.o_marker);
final RadioButton xMarker = (RadioButton) layout.findViewById(R.id.x_marker);
localGame.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
playerTwoName.setVisibility(View.VISIBLE);
oMarker.setVisibility(View.VISIBLE);
xMarker.setVisibility(View.VISIBLE);
}
});
bluetoothGame.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
playerTwoName.setVisibility(View.GONE);
oMarker.setVisibility(View.GONE);
xMarker.setVisibility(View.GONE);
}
});
oMarker.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
oMarker.setBackgroundResource(R.drawable.tic_tac_toe_o_black);
xMarker.setBackgroundResource(R.drawable.tic_tac_toe_x);
}
});
xMarker.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
xMarker.setBackgroundResource(R.drawable.tic_tac_toe_x_black);
oMarker.setBackgroundResource(R.drawable.tic_tac_toe_o);
}
});
builder.setView(layout)
.setTitle("Two Player Game Options")
.setPositiveButton("Start", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
if (localGame.isChecked()) {
if ((playerOneName.getText().length() > 0) && (playerTwoName.getText().length() > 0)) {
if (oMarker.isChecked()) {
Player playerOne = new Player(playerOneName.getText().toString(), 'o', 0);
Player playerTwo = new Player(playerTwoName.getText().toString(), 'x', 0);
twoPlayerLocal.putExtra("playerOne", playerOne);
twoPlayerLocal.putExtra("playerTwo", playerTwo);
twoPlayerLocal.putExtra("isTurn", playerOne.getPlayerMarker());
startActivity(twoPlayerLocal);
} else if (xMarker.isChecked()) {
Player playerOne = new Player(playerOneName.getText().toString(), 'x', 0);
Player playerTwo = new Player(playerTwoName.getText().toString(), 'o', 0);
twoPlayerLocal.putExtra("playerOne", playerOne);
twoPlayerLocal.putExtra("playerTwo", playerTwo);
startActivity(twoPlayerLocal);
}
else {
Toast.makeText(LoginActivity.this, "Please select the starting marker", Toast.LENGTH_SHORT).show();
}
} else {
Toast.makeText(LoginActivity.this, "Please enter a name for the players", Toast.LENGTH_SHORT).show();
}
} else if (bluetoothGame.isChecked()) {
Intent bluetoothIntent = new Intent(LoginActivity.this, TwoPlayerActivityBluetooth.class);
String playerOne = null;
if (playerOneName.getText().length() > 0) {
playerOne = playerOneName.getText().toString();
bluetoothIntent.putExtra("playerOne", playerOne);
startActivity(bluetoothIntent);
} else {
Toast.makeText(LoginActivity.this, "Please enter a player name", Toast.LENGTH_SHORT).show();
}
} else {
Toast.makeText(LoginActivity.this, "Please Select a game type", Toast.LENGTH_SHORT).show();
}
}
})
.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
}
});
// Create the AlertDialog object and return it
builder.create().show();
}
@Override
public void onBackPressed() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Are you sure you want to quit the game?")
.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
})
.setNegativeButton("No", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
}
});
builder.create().show();
}
}
这是logcat！
2019-09-04 22:44:37.659 17644-17644/? I/ir.puzzle.douz: Not late-enabling -Xcheck:jni (already on) 2019-09-04 22:44:37.697 17644-17644/? E/ir.puzzle.douz: Unknown bits set in runtime_flags: 0x8000 2019-09-04 22:44:37.699 17644-17644/? W/ir.puzzle.douz: Unexpected CPU variant for X86 using defaults: x86 2019-09-04 22:44:38.014 17644-17670/ir.puzzle.douz D/libEGL: Emulator has host GPU support, qemu.gles is set to 1. 2019-09-04 22:44:38.036 17644-17670/ir.puzzle.douz W/libc: Unable to set property "qemu.gles" to "1": connection failed; errno=13 (Permission denied) 2019-09-04 22:44:38.023 17644-17644/ir.puzzle.douz W/RenderThread: type=1400 audit(0.0:157): avc: denied { write } for name="property_service" dev="tmpfs" ino=6800 scontext=u:r:untrusted_app:s0:c134,c256,c512,c768 tcontext=u:object_r:property_socket:s0 tclass=sock_file permissive=0 2019-09-04 22:44:38.082 17644-17670/ir.puzzle.douz D/libEGL: loaded /vendor/lib/egl/libEGL_emulation.so 2019-09-04 22:44:38.092 17644-17670/ir.puzzle.douz D/libEGL: loaded /vendor/lib/egl/libGLESv1_CM_emulation.so 2019-09-04 22:44:38.129 17644-17670/ir.puzzle.douz D/libEGL: loaded /vendor/lib/egl/libGLESv2_emulation.so 2019-09-04 22:44:38.272 17644-17644/ir.puzzle.douz W/ir.puzzle.douz: Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (greylist, reflection, allowed) 2019-09-04 22:44:38.273 17644-17644/ir.puzzle.douz W/ir.puzzle.douz: Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (greylist, reflection, allowed) 2019-09-04 22:44:38.412 17644-17644/ir.puzzle.douz D/AndroidRuntime: Shutting down VM 2019-09-04 22:44:38.416 17644-17644/ir.puzzle.douz E/AndroidRuntime: FATAL EXCEPTION: main
Process: ir.puzzle.douz, PID: 17644
java.lang.RuntimeException: Unable to start activity ComponentInfo{ir.puzzle.douz/ir.puzzle.douz.view.LoginActivity}: java.lang.IndexOutOfBoundsException: index=0 out of bounds (limit=0, nb=4)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3270)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
Caused by: java.lang.IndexOutOfBoundsException: index=0 out of bounds (limit=0, nb=4)
at java.nio.Buffer.checkIndex(Buffer.java:564)
at java.nio.DirectByteBuffer.getInt(DirectByteBuffer.java:570)
at android.graphics.fonts.FontFileUtil.analyzeStyle(FontFileUtil.java:94)
at android.graphics.fonts.Font$Builder.build(Font.java:364)
at android.graphics.Typeface$Builder.build(Typeface.java:596)
at android.graphics.Typeface.createFromAsset(Typeface.java:960)
at ir.puzzle.douz.view.LoginActivity.onCreate(LoginActivity.java:35)
at android.app.Activity.performCreate(Activity.java:7802)
at android.app.Activity.performCreate(Activity.java:7791)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1299)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3245)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
我不知道总是强制关闭此代码的问题在哪里！您能告诉我哪一部分代码有问题吗？以及我该如何解决？