import android.os.Build
import android.os.Bundle
import android.provider.OpenableColumns
+import android.text.Editable
+import android.text.TextWatcher
import android.util.Base64
import android.util.TypedValue
+import android.view.KeyEvent
import android.view.Menu
import android.view.MenuItem
+import android.view.View
import android.view.WindowManager
+import android.view.inputmethod.InputMethodManager
import android.webkit.WebView
+import android.widget.EditText
+import android.widget.LinearLayout
+import android.widget.TextView
import androidx.activity.result.contract.ActivityResultContracts
import androidx.appcompat.app.AppCompatActivity
class LogcatActivity : AppCompatActivity() {
// Declare the class variables.
+ private lateinit var inputMethodManager: InputMethodManager
private lateinit var logcatPlainTextStringBuilder: StringBuilder
// Declare the class views.
- private lateinit var swipeRefreshLayout: SwipeRefreshLayout
private lateinit var logcatWebView: WebView
+ private lateinit var searchEditText: EditText
+ private lateinit var searchLinearLayout: LinearLayout
+ private lateinit var swipeRefreshLayout: SwipeRefreshLayout
+ private lateinit var toolbar: Toolbar
// Define the save logcat activity result launcher. It must be defined before `onCreate()` is run or the app will crash.
private val saveLogcatActivityResultLauncher = registerForActivityResult(ActivityResultContracts.CreateDocument("text/plain")) { fileUri ->
}
public override fun onCreate(savedInstanceState: Bundle?) {
+ // Run the default commands.
+ super.onCreate(savedInstanceState)
+
// Get a handle for the shared preferences.
val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
if (!allowScreenshots)
window.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
- // Run the default commands.
- super.onCreate(savedInstanceState)
-
// Set the content view.
if (bottomAppBar)
setContentView(R.layout.logcat_bottom_appbar)
setContentView(R.layout.logcat_top_appbar)
// Get handles for the views.
- val toolbar = findViewById<Toolbar>(R.id.toolbar)
+ toolbar = findViewById(R.id.toolbar)
+ val searchCountTextView = findViewById<TextView>(R.id.search_count_textview)
+ searchLinearLayout = findViewById(R.id.search_linearlayout)
+ searchEditText = findViewById(R.id.search_edittext)
swipeRefreshLayout = findViewById(R.id.swiperefreshlayout)
logcatWebView = findViewById(R.id.logcat_webview)
// Set the swipe refresh background color.
swipeRefreshLayout.setProgressBackgroundColorSchemeColor(colorBackgroundInt)
+ // Get a handle for the input method manager.
+ inputMethodManager = (getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager)
+
+ // Search for the string on the page whenever a character changes in the search edit text.
+ searchEditText.addTextChangedListener(object : TextWatcher {
+ override fun beforeTextChanged(charSequence: CharSequence, start: Int, count: Int, after: Int) {
+ // Do nothing.
+ }
+
+ override fun onTextChanged(charSequence: CharSequence, start: Int, before: Int, count: Int) {
+ // Do nothing.
+ }
+
+ override fun afterTextChanged(editable: Editable) {
+ // Search for the text in the WebView.
+ logcatWebView.findAllAsync(searchEditText.text.toString())
+ }
+ })
+
+ // Set the `check mark` button for the search edit text keyboard to close the soft keyboard.
+ searchEditText.setOnKeyListener { _: View?, keyCode: Int, keyEvent: KeyEvent ->
+ if ((keyEvent.action == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
+ // Search for the text in the WebView.
+ logcatWebView.findAllAsync(searchEditText.text.toString())
+
+ // Hide the soft keyboard.
+ inputMethodManager.hideSoftInputFromWindow(logcatWebView.windowToken, 0)
+
+ // Consume the event.
+ return@setOnKeyListener true
+ } else { // A different key was pressed.
+ // Do not consume the event.
+ return@setOnKeyListener false
+ }
+ }
+
+ // Update the find on page count.
+ logcatWebView.setFindListener { activeMatchOrdinal, numberOfMatches, isDoneCounting ->
+ if (isDoneCounting && (numberOfMatches == 0)) { // There are no matches.
+ // Set the search count text view to be `0/0`.
+ searchCountTextView.setText(R.string.zero_of_zero)
+ } else if (isDoneCounting) { // There are matches.
+ // The active match ordinal is zero-based.
+ val activeMatch = activeMatchOrdinal + 1
+
+ // Build the match string.
+ val matchString = "$activeMatch/$numberOfMatches"
+
+ // Update the search count text view.
+ searchCountTextView.text = matchString
+ }
+ }
+
// Restore the WebView scroll position if the activity has been restarted.
if (savedInstanceState != null)
logcatWebView.scrollY = savedInstanceState.getInt(SCROLL_Y)
- // Allow loading of file:// URLs.
- logcatWebView.settings.allowFileAccess = true
-
// Populate the logcat.
populateLogcat()
}
override fun onOptionsItemSelected(menuItem: MenuItem): Boolean {
// Run the commands that correlate to the selected menu item.
return when (menuItem.itemId) {
+ R.id.search -> { // Search was selected.
+ // Set the minimum height of the search linear layout to match the toolbar.
+ searchLinearLayout.minimumHeight = toolbar.height
+
+ // Hide the toolbar.
+ toolbar.visibility = View.GONE
+
+ // Show the search linear layout.
+ searchLinearLayout.visibility = View.VISIBLE
+
+ // Display the keyboard once the UI has quiesced.
+ searchLinearLayout.post {
+ // Set the focus on the find on page edit text.
+ searchEditText.requestFocus()
+
+ // Get a handle for the input method manager.
+ val inputMethodManager = (getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager)
+
+ // Display the keyboard. `0` sets no input flags.
+ inputMethodManager.showSoftInput(searchEditText, 0)
+ }
+
+ // Resume the WebView timers. For some reason they get automatically paused, which prevents searching.
+ logcatWebView.resumeTimers()
+
+ // Consume the event.
+ true
+ }
+
R.id.copy -> { // Copy was selected.
// Get a handle for the clipboard manager.
val clipboardManager = getSystemService(CLIPBOARD_SERVICE) as ClipboardManager
savedInstanceState.putInt(SCROLL_Y, logcatWebView.scrollY)
}
+ // The view parameter cannot be removed because it is called from the layout onClick.
+ fun closeSearch(@Suppress("UNUSED_PARAMETER")view: View?) {
+ // Delete the contents of the search edit text.
+ searchEditText.text = null
+
+ // Clear the highlighted phrases in the logcat WebView.
+ logcatWebView.clearMatches()
+
+ // Hide the search linear layout.
+ searchLinearLayout.visibility = View.GONE
+
+ // Show the toolbar.
+ toolbar.visibility = View.VISIBLE
+
+ // Hide the keyboard.
+ inputMethodManager.hideSoftInputFromWindow(toolbar.windowToken, 0)
+ }
+
private fun populateLogcat() {
try {
// Get the logcat. `-b all` gets all the buffers (instead of just crash, main, and system). `-v long` produces more complete information. `-d` dumps the logcat and exits.
// Stop the swipe to refresh animation if it is displayed.
swipeRefreshLayout.isRefreshing = false
}
+
+ // The view parameter cannot be removed because it is called from the layout onClick.
+ fun searchNext(@Suppress("UNUSED_PARAMETER")view: View?) {
+ // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
+ logcatWebView.findNext(true)
+ }
+
+ // The view parameter cannot be removed because it is called from the layout onClick.
+ fun searchPrevious(@Suppress("UNUSED_PARAMETER")view: View?) {
+ // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
+ logcatWebView.findNext(false)
+ }
}
projects / PrivacyBrowserAndroid.git / blobdiff