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私はアンドロイド開発を初めて使いました。私は以下のことをやってみましたが、私のカウントダウン変数にsavedInstanceStateを作成しても失敗しました。 line13 - 14 - 15 - 50 - 51 - 52 - 70 - 71 - 72を除くすべてのコードは正常に動作しています。このアプリを横長モードに切り替えるとタイマーがリセットされないようにするにはどうすればよいですか？カウントダウンタイマー - ランドスケープモードに切り替えたときのリセット時間
package com.example.android.scorekeeperapp;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.ToggleButton;
public class MainActivity extends AppCompatActivity {
static final String stateIsPaused = "emergencyIsPaused";
static final String stateIsCanceled = "emergencyIsCanceled";
static final String stateRemainingTime = "emergencyRemainingTime";
static final String stateScoreTeamA = "emergencyScoreA";
static final String stateScoreTeamB = "emergencyScoreB";
static final String stateFoulCounterA = "emergencyFoulA";
static final String stateFoulCounterB = "emergencyFoulB";
static final String stateScoreThreePointTeamA = "emergencyThreeA";
static final String stateScoreThreePointTeamB = "emergencyThreeB";
static final String stateScoreTwoPointTeamA = "emergencyTwoA";
static final String stateScoreTwoPointTeamB = "emergencyTwoA";
static final String stateScoreOnePointTeamA = "emergencyOneA";
static final String stateScoreOnePointTeamB = "emergencyOneA";
private TextView tv1;
private Button startbtn, cancelbtn;
private ToggleButton togbtn;
private boolean isPaused = false;
private boolean isCanceled = false;
private long remainingTime = 0;
int scoreTeamA = 0;
int scoreTeamB = 0;
int foulCounterA = 0;
int foulCounterB = 0;
int scoreThreePointTeamA = 0;
int scoreThreePointTeamB = 0;
int scoreTwoPointTeamA = 0;
int scoreTwoPointTeamB = 0;
int scoreOnePointTeamA = 0;
int scoreOnePointTeamB = 0;
@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
savedInstanceState.putBoolean(stateIsPaused, isPaused);
savedInstanceState.putBoolean(stateIsCanceled, isCanceled);
savedInstanceState.putLong(stateRemainingTime, remainingTime);
savedInstanceState.putInt(stateScoreTeamA, scoreTeamA);
savedInstanceState.putInt(stateScoreTeamB, scoreTeamB);
savedInstanceState.putInt(stateFoulCounterA, foulCounterA);
savedInstanceState.putInt(stateFoulCounterB, foulCounterB);
savedInstanceState.putInt(stateScoreThreePointTeamA, scoreThreePointTeamA);
savedInstanceState.putInt(stateScoreThreePointTeamB, scoreThreePointTeamB);
savedInstanceState.putInt(stateScoreTwoPointTeamA, scoreTwoPointTeamA);
savedInstanceState.putInt(stateScoreTwoPointTeamB, scoreTwoPointTeamB);
savedInstanceState.putInt(stateScoreOnePointTeamA, scoreOnePointTeamA);
savedInstanceState.putInt(stateScoreOnePointTeamB, scoreOnePointTeamB);
super.onSaveInstanceState(savedInstanceState);
}
public void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
isPaused = savedInstanceState.getBoolean(stateIsPaused);
isCanceled = savedInstanceState.getBoolean(stateIsCanceled);
remainingTime = savedInstanceState.getLong(stateRemainingTime);
scoreTeamA = savedInstanceState.getInt(stateScoreTeamA);
scoreTeamB = savedInstanceState.getInt(stateScoreTeamB);
foulCounterA = savedInstanceState.getInt(stateFoulCounterA);
foulCounterB = savedInstanceState.getInt(stateFoulCounterB);
scoreThreePointTeamA = savedInstanceState.getInt(stateScoreThreePointTeamA);
scoreThreePointTeamB = savedInstanceState.getInt(stateScoreThreePointTeamB);
scoreTwoPointTeamA = savedInstanceState.getInt (stateScoreTwoPointTeamA);
scoreTwoPointTeamB = savedInstanceState.getInt (stateScoreTwoPointTeamB);
scoreOnePointTeamA = savedInstanceState.getInt (stateScoreOnePointTeamA);
scoreOnePointTeamB = savedInstanceState.getInt (stateScoreOnePointTeamB);
displayForTeamA(scoreTeamA);
displayForTeamAThreePoint (scoreThreePointTeamA);
displayForTeamATwoPoint(scoreTwoPointTeamA);
displayForTeamAOnePoint(scoreOnePointTeamA);
displayForTeamAFoul(foulCounterA);
displayForTeamB(scoreTeamB);
displayForTeamBThreePoint(scoreThreePointTeamB);
displayForTeamBTwoPoint(scoreTwoPointTeamB);
displayForTeamBOnePoint(scoreOnePointTeamB);
displayForTeamBFoul(foulCounterB);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv1 = (TextView) findViewById(R.id.tv1);
startbtn = (Button) findViewById(R.id.startbtn);
cancelbtn = (Button) findViewById(R.id.cancelbtn);
togbtn = (ToggleButton) findViewById(R.id.togbtn);
cancelbtn.setEnabled(false);
togbtn.setEnabled(false);
startbtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
startbtn.setEnabled(false);
cancelbtn.setEnabled(true);
togbtn.setEnabled(true);
isPaused = false;
isCanceled = false;
long millisInfuture = 20000; /////20sec
long countDownInterval = 1000; /////1sec
new CountDownTimer(millisInfuture, countDownInterval) {
@Override
public void onTick(long millisUntilFinished){
if(isPaused || isCanceled) {
cancel();
}else {
tv1.setText(""+millisUntilFinished/1000);
remainingTime = millisUntilFinished;
}
}
@Override
public void onFinish() {
tv1.setText("Times up!");
}
}.start();
}
});
togbtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (togbtn.isChecked()) {
isPaused = true;
}else {
isPaused = false;
long millisInfuture = remainingTime;
long countDownInterval = 1000; /////1sec
new CountDownTimer(millisInfuture, countDownInterval) {
@Override
public void onTick(long millisUntilFinished){
if(isPaused || isCanceled) {
cancel();
}else {
tv1.setText(""+millisUntilFinished/1000);
remainingTime = millisUntilFinished;
}
}
@Override
public void onFinish() {
tv1.setText("Times up!");
}
}.start();
}
}
});
cancelbtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
isCanceled = true;
tv1.setText("Timer");
startbtn.setEnabled(true);
togbtn.setEnabled(false);
cancelbtn.setEnabled(false);
}
});
}
public void threePointForTeamA(View v) {
scoreTeamA = scoreTeamA + 3;
scoreThreePointTeamA = scoreThreePointTeamA + 3;
displayForTeamA(scoreTeamA);
displayForTeamAThreePoint (scoreThreePointTeamA);
}
public void twoPointForTeamA(View v) {
scoreTeamA = scoreTeamA + 2;
scoreTwoPointTeamA = scoreTwoPointTeamA + 2;
displayForTeamA(scoreTeamA);
displayForTeamATwoPoint(scoreTwoPointTeamA);
}
public void onePointForTeamA(View v) {
scoreTeamA = scoreTeamA + 1;
scoreOnePointTeamA = scoreOnePointTeamA + 1;
displayForTeamA(scoreTeamA);
displayForTeamAOnePoint(scoreOnePointTeamA);
}
public void foulCountForTeamA(View v) {
foulCounterA = foulCounterA + 1;
displayForTeamAFoul(foulCounterA);
}
public void threePointForTeamB(View v) {
scoreTeamB = scoreTeamB + 3;
scoreThreePointTeamB = scoreThreePointTeamB + 3;
displayForTeamB(scoreTeamB);
displayForTeamBThreePoint(scoreThreePointTeamB);
}
public void twoPointForTeamB(View v) {
scoreTeamB = scoreTeamB + 2;
scoreTwoPointTeamB = scoreTwoPointTeamB + 2;
displayForTeamB(scoreTeamB);
displayForTeamBTwoPoint(scoreTwoPointTeamB);
}
public void onePointForTeamB(View v) {
scoreTeamB = scoreTeamB + 1;
scoreOnePointTeamB = scoreOnePointTeamB + 1;
displayForTeamB(scoreTeamB);
displayForTeamBOnePoint(scoreOnePointTeamB);
}
public void foulCountForTeamB(View v) {
foulCounterB = foulCounterB + 1;
displayForTeamBFoul(foulCounterB);
}
public void resetGame(View v) {
scoreTeamA = 0;
scoreThreePointTeamA = 0;
scoreTwoPointTeamA = 0;
scoreOnePointTeamA = 0;
foulCounterA = 0;
scoreTeamB = 0;
scoreThreePointTeamB = 0;
scoreTwoPointTeamB = 0;
scoreOnePointTeamB = 0;
foulCounterB = 0;
displayForTeamA(scoreTeamA);
displayForTeamAThreePoint(scoreThreePointTeamA);
displayForTeamATwoPoint(scoreTwoPointTeamA);
displayForTeamAOnePoint(scoreOnePointTeamA);
displayForTeamAFoul(foulCounterA);
displayForTeamB(scoreTeamB);
displayForTeamBThreePoint(scoreThreePointTeamB);
displayForTeamBTwoPoint(scoreTwoPointTeamB);
displayForTeamBOnePoint(scoreOnePointTeamB);
displayForTeamBFoul(foulCounterB);
}
public void displayForTeamA(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_a_score);
scoreView.setText(String.valueOf(score));
}
public void displayForTeamAThreePoint(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_a_score_3_point);
scoreView.setText(String.valueOf(score));
}
public void displayForTeamATwoPoint(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_a_score_2_point);
scoreView.setText(String.valueOf(score));
}
public void displayForTeamAOnePoint(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_a_score_1_point);
scoreView.setText(String.valueOf(score));
}
public void displayForTeamAFoul(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_a_foul);
scoreView.setText(String.valueOf(score));
}
public void displayForTeamB(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_b_score);
scoreView.setText(String.valueOf(score));
}
public void displayForTeamBThreePoint(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_b_score_3_point);
scoreView.setText(String.valueOf(score));
}
public void displayForTeamBTwoPoint(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_b_score_2_point);
scoreView.setText(String.valueOf(score));
}
public void displayForTeamBOnePoint(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_b_score_1_point);
scoreView.setText(String.valueOf(score));
}
public void displayForTeamBFoul(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_b_foul);
scoreView.setText(String.valueOf(score));
}
}
JavaScriptとJavaは、2つの非常に異なる言語（あなたがところでJavaScriptを使用していない）です – UnholySheep
Edittedを。明確化のためにTy –