Commit @b407a453c6dac03d88baafb6e397c994cb187e08

박민혁 04-03

240315 박민혁 뒤로 가기 버튼 수정

@b407a453c6dac03d88baafb6e397c994cb187e08

66f0a5c

b407a45

app/src/main/java/co/kr/ajinpaper/salesTask/MainActivity.java

--- app/src/main/java/co/kr/ajinpaper/salesTask/MainActivity.java

+++ app/src/main/java/co/kr/ajinpaper/salesTask/MainActivity.java


 package co.kr.ajinpaper.salesTask;
 
+import androidx.activity.OnBackPressedCallback;
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.NonNull;

 public class MainActivity extends AppCompatActivity {
     private ValueCallback<Uri[]> mUploadMessage;
     private Uri mCapturedImageURI = null;
-
     private PermissionManager permission;
+    private long lastBackPressedTime = 0; // 마지막으로 뒤로 가기 버튼이 눌린 시간을 기록하는 변수
+    private static final int BACK_PRESS_INTERVAL = 2000; // 2초 간격
 
     @SuppressLint("SetJavaScriptEnabled")
     @Override

             SharedPreferences.Editor editor = sharedPreferences.edit();
             editor.putString("pushTitle", title).apply();
         }
+
+        // 뒤로 가기 버튼으로 뒤로 가기 구현
+        OnBackPressedCallback callback = new OnBackPressedCallback(true) {
+            @Override
+            public void handleOnBackPressed() {
+                if (myWebView.canGoBack()) {
+                    myWebView.goBack();
+                } else {
+                    if (lastBackPressedTime + BACK_PRESS_INTERVAL > System.currentTimeMillis()) {
+                        finish();
+                    } else {
+                        Toast.makeText(MainActivity.this, "뒤로 가기 버튼을 한 번 더 누르면 종료됩니다.", Toast.LENGTH_SHORT).show();
+                    }
+                    lastBackPressedTime = System.currentTimeMillis();
+                }
+            }
+        };
+        getOnBackPressedDispatcher().addCallback(this, callback);
 
         WebSettings webSettings = myWebView.getSettings();
         webSettings.setJavaScriptEnabled(true);

                     }
                 }
 
-                Intent contentSelectionIntent = new Intent(Intent.ACTION_OPEN_DOCUMENT); // 변경된 부분
+                Intent contentSelectionIntent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
                 contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
                 contentSelectionIntent.setType("image/*");
                 contentSelectionIntent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);

                 chooserIntent.putExtra(Intent.EXTRA_TITLE, "Image Chooser");
                 chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);
 
-                mFileChooser.launch(chooserIntent);  // 수정된 부분
+                mFileChooser.launch(chooserIntent);
 
                 return true;
             }

 
     }
 
+    // 이미지 파일 등록 가능하도록
     private final ActivityResultLauncher<Intent> mFileChooser = registerForActivityResult(
             new ActivityResultContracts.StartActivityForResult(),
             result -> {

         }
     }
 
+    // 권함 알림 메소드
     private void permissionCheck(){
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
             permission = new PermissionManager(this, this);

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...	...	@@ -1,5 +1,6 @@
1	1	package co.kr.ajinpaper.salesTask;
2	2
	3	+import androidx.activity.OnBackPressedCallback;
3	4	import androidx.activity.result.ActivityResultLauncher;
4	5	import androidx.activity.result.contract.ActivityResultContracts;
5	6	import androidx.annotation.NonNull;
...	...	@@ -31,8 +32,9 @@
31	32	public class MainActivity extends AppCompatActivity {
32	33	private ValueCallback<Uri[]> mUploadMessage;
33	34	private Uri mCapturedImageURI = null;
34		-
35	35	private PermissionManager permission;
	36	+ private long lastBackPressedTime = 0; // 마지막으로 뒤로 가기 버튼이 눌린 시간을 기록하는 변수
	37	+ private static final int BACK_PRESS_INTERVAL = 2000; // 2초 간격
36	38
37	39	@SuppressLint("SetJavaScriptEnabled")
38	40	@Override
...	...	@@ -51,6 +53,24 @@
51	53	SharedPreferences.Editor editor = sharedPreferences.edit();
52	54	editor.putString("pushTitle", title).apply();
53	55	}
	56	+
	57	+ // 뒤로 가기 버튼으로 뒤로 가기 구현
	58	+ OnBackPressedCallback callback = new OnBackPressedCallback(true) {
	59	+ @Override
	60	+ public void handleOnBackPressed() {
	61	+ if (myWebView.canGoBack()) {
	62	+ myWebView.goBack();
	63	+ } else {
	64	+ if (lastBackPressedTime + BACK_PRESS_INTERVAL > System.currentTimeMillis()) {
	65	+ finish();
	66	+ } else {
	67	+ Toast.makeText(MainActivity.this, "뒤로 가기 버튼을 한 번 더 누르면 종료됩니다.", Toast.LENGTH_SHORT).show();
	68	+ }
	69	+ lastBackPressedTime = System.currentTimeMillis();
	70	+ }
	71	+ }
	72	+ };
	73	+ getOnBackPressedDispatcher().addCallback(this, callback);
54	74
55	75	WebSettings webSettings = myWebView.getSettings();
56	76	webSettings.setJavaScriptEnabled(true);
...	...	@@ -89,7 +109,7 @@
89	109	}
90	110	}
91	111
92		- Intent contentSelectionIntent = new Intent(Intent.ACTION_OPEN_DOCUMENT); // 변경된 부분
	112	+ Intent contentSelectionIntent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
93	113	contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
94	114	contentSelectionIntent.setType("image/*");
95	115	contentSelectionIntent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
...	...	@@ -106,7 +126,7 @@
106	126	chooserIntent.putExtra(Intent.EXTRA_TITLE, "Image Chooser");
107	127	chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);
108	128
109		- mFileChooser.launch(chooserIntent); // 수정된 부분
	129	+ mFileChooser.launch(chooserIntent);
110	130
111	131	return true;
112	132	}
...	...	@@ -117,6 +137,7 @@
117	137
118	138	}
119	139
	140	+ // 이미지 파일 등록 가능하도록
120	141	private final ActivityResultLauncher<Intent> mFileChooser = registerForActivityResult(
121	142	new ActivityResultContracts.StartActivityForResult(),
122	143	result -> {
...	...	@@ -167,6 +188,7 @@
167	188	}
168	189	}
169	190
	191	+ // 권함 알림 메소드
170	192	private void permissionCheck(){
171	193	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
172	194	permission = new PermissionManager(this, this);

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