Bump version to 0.74

Fixes #1166.

app/build.gradle

@@ -14,8 +14,8 @@ android {
         applicationId "com.termux"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 68
-        versionName "0.68"
+        versionCode 74
+        versionName "0.74"
     }
 
     buildTypes {
@@ -35,3 +35,9 @@ android {
 dependencies {
     testImplementation 'junit:junit:4.12'
 }
+
+task versionName {
+  doLast {
+    print android.defaultConfig.versionName
+  }
+}

app/src/main/AndroidManifest.xml

@@ -13,6 +13,7 @@
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>
 
     <application
         android:extractNativeLibs="true"
@@ -38,25 +39,14 @@
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
-                <category android:name="android.intent.category.DEFAULT"/>
             </intent-filter>
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
-                <category android:name="android.intent.category.DEFAULT"/>
             </intent-filter>
             <meta-data android:name="android.app.shortcuts" android:resource="@xml/shortcuts" />
         </activity>
 
-        <activity
-            android:name="com.termux.app.TermuxFailsafeActivity"
-            android:label="@string/app_failsafe_mode" >
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity>
-
         <activity
             android:name="com.termux.app.TermuxHelpActivity"
             android:exported="false"

app/src/main/java/com/termux/app/BackgroundJob.java

@@ -93,6 +93,13 @@ public final class BackgroundJob {
         };
     }
 
+    private static void addToEnvIfPresent(List<String> environment, String name) {
+        String value = System.getenv(name);
+        if (value != null) {
+            environment.add(name + "=" + value);
+        }
+    }
+
     static String[] buildEnvironment(boolean failSafe, String cwd) {
         new File(TermuxService.HOME_PATH).mkdirs();
 
@@ -103,11 +110,15 @@ public final class BackgroundJob {
         environment.add("TERM=xterm-256color");
         environment.add("HOME=" + TermuxService.HOME_PATH);
         environment.add("PREFIX=" + TermuxService.PREFIX_PATH);
+        environment.add("BOOTCLASSPATH" + System.getenv("BOOTCLASSPATH"));
         environment.add("ANDROID_ROOT=" + System.getenv("ANDROID_ROOT"));
         environment.add("ANDROID_DATA=" + System.getenv("ANDROID_DATA"));
         // EXTERNAL_STORAGE is needed for /system/bin/am to work on at least
         // Samsung S7 - see https://plus.google.com/110070148244138185604/posts/gp8Lk3aCGp3.
         environment.add("EXTERNAL_STORAGE=" + System.getenv("EXTERNAL_STORAGE"));
+        // ANDROID_RUNTIME_ROOT and ANDROID_TZDATA_ROOT are required for `am` to run on Android Q
+        addToEnvIfPresent(environment, "ANDROID_RUNTIME_ROOT");
+        addToEnvIfPresent(environment, "ANDROID_TZDATA_ROOT");
         if (failSafe) {
             // Keep the default path so that system binaries can be used in the failsafe session.
             environment.add("PATH= " + System.getenv("PATH"));

app/src/main/java/com/termux/app/BellUtil.java

@@ -0,0 +1,63 @@
+package com.termux.app;
+
+import android.content.Context;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.SystemClock;
+import android.os.Vibrator;
+
+public class BellUtil {
+    private static BellUtil instance = null;
+    private static final Object lock = new Object();
+
+    public static BellUtil getInstance(Context context) {
+        if (instance == null) {
+            synchronized (lock) {
+                if (instance == null) {
+                    instance = new BellUtil((Vibrator) context.getApplicationContext().getSystemService(Context.VIBRATOR_SERVICE));
+                }
+            }
+        }
+
+        return instance;
+    }
+
+    private static final long DURATION = 50;
+    private static final long MIN_PAUSE = 3 * DURATION;
+
+    private final Handler handler = new Handler(Looper.getMainLooper());
+    private long lastBell = 0;
+    private final Runnable bellRunnable;
+
+    private BellUtil(final Vibrator vibrator) {
+        bellRunnable = new Runnable() {
+            @Override
+            public void run() {
+                if (vibrator != null) {
+                    vibrator.vibrate(DURATION);
+                }
+            }
+        };
+    }
+
+    public synchronized void doBell() {
+        long now = now();
+        long timeSinceLastBell = now - lastBell;
+
+        if (timeSinceLastBell < 0) {
+            // there is a next bell pending; don't schedule another one
+        } else if (timeSinceLastBell < MIN_PAUSE) {
+            // there was a bell recently, scheudle the next one
+            handler.postDelayed(bellRunnable, MIN_PAUSE - timeSinceLastBell);
+            lastBell = lastBell + MIN_PAUSE;
+        } else {
+            // the last bell was long ago, do it now
+            bellRunnable.run();
+            lastBell = now;
+        }
+    }
+
+    private long now() {
+        return SystemClock.uptimeMillis();
+    }
+}

app/src/main/java/com/termux/app/ExtraKeysView.java

@@ -73,6 +73,18 @@ public final class ExtraKeysView extends GridLayout {
         put("RIGHT", KeyEvent.KEYCODE_DPAD_RIGHT);
         put("DOWN", KeyEvent.KEYCODE_DPAD_DOWN);
         put("ENTER", KeyEvent.KEYCODE_ENTER);
+        put("F1", KeyEvent.KEYCODE_F1);
+        put("F2", KeyEvent.KEYCODE_F2);
+        put("F3", KeyEvent.KEYCODE_F3);
+        put("F4", KeyEvent.KEYCODE_F4);
+        put("F5", KeyEvent.KEYCODE_F5);
+        put("F6", KeyEvent.KEYCODE_F6);
+        put("F7", KeyEvent.KEYCODE_F7);
+        put("F8", KeyEvent.KEYCODE_F8);
+        put("F9", KeyEvent.KEYCODE_F9);
+        put("F10", KeyEvent.KEYCODE_F10);
+        put("F11", KeyEvent.KEYCODE_F11);
+        put("F12", KeyEvent.KEYCODE_F12);
     }};
     
     static void sendKey(View view, String keyName) {

app/src/main/java/com/termux/app/TermuxActivity.java

@@ -24,7 +24,6 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.IBinder;
-import android.os.Vibrator;
 import android.text.SpannableString;
 import android.text.Spanned;
 import android.text.TextUtils;
@@ -83,6 +82,8 @@ import androidx.viewpager.widget.ViewPager;
  */
 public final class TermuxActivity extends Activity implements ServiceConnection {
 
+    public static final String TERMUX_FAILSAFE_SESSION_ACTION = "com.termux.app.failsafe_session";
+
     private static final int CONTEXTMENU_SELECT_URL_ID = 0;
     private static final int CONTEXTMENU_SHARE_TRANSCRIPT_ID = 1;
     private static final int CONTEXTMENU_PASTE_ID = 3;
@@ -400,7 +401,7 @@ public final class TermuxActivity extends Activity implements ServiceConnection
                         mBellSoundPool.play(mBellSoundId, 1.f, 1.f, 1, 0, 1.f);
                         break;
                     case TermuxPreferences.BELL_VIBRATE:
-                        ((Vibrator) getSystemService(VIBRATOR_SERVICE)).vibrate(50);
+                        BellUtil.getInstance(TermuxActivity.this).doBell();
                         break;
                     case TermuxPreferences.BELL_IGNORE:
                         // Ignore the bell character.
@@ -478,9 +479,8 @@ public final class TermuxActivity extends Activity implements ServiceConnection
                         Bundle bundle = getIntent().getExtras();
                         boolean launchFailsafe = false;
                         if (bundle != null) {
-                            launchFailsafe = bundle.getBoolean(TermuxFailsafeActivity.TERMUX_FAILSAFE_SESSION_ACTION, false);
+                            launchFailsafe = bundle.getBoolean(TERMUX_FAILSAFE_SESSION_ACTION, false);
                         }
-                        clearTemporaryDirectory();
                         addNewSession(launchFailsafe, null);
                     } catch (WindowManager.BadTokenException e) {
                         // Activity finished - ignore.
@@ -494,8 +494,8 @@ public final class TermuxActivity extends Activity implements ServiceConnection
             Intent i = getIntent();
             if (i != null && Intent.ACTION_RUN.equals(i.getAction())) {
                 // Android 7.1 app shortcut from res/xml/shortcuts.xml.
-                clearTemporaryDirectory();
-                addNewSession(false, null);
+                boolean failSafe = i.getBooleanExtra(TERMUX_FAILSAFE_SESSION_ACTION, false);
+                addNewSession(failSafe, null);
             } else {
                 switchToSession(getStoredCurrentSessionOrLast());
             }
@@ -589,8 +589,7 @@ public final class TermuxActivity extends Activity implements ServiceConnection
             new AlertDialog.Builder(this).setTitle(R.string.max_terminals_reached_title).setMessage(R.string.max_terminals_reached_message)
                 .setPositiveButton(android.R.string.ok, null).show();
         } else {
-            String executablePath = (failSafe ? "/system/bin/sh" : null);
-            TerminalSession newSession = mTermService.createTermSession(executablePath, null, null, failSafe);
+            TerminalSession newSession = mTermService.createTermSession(null, null, null, failSafe);
             if (sessionName != null) {
                 newSession.mSessionName = sessionName;
             }
@@ -722,7 +721,18 @@ public final class TermuxActivity extends Activity implements ServiceConnection
                 if (session != null) {
                     Intent intent = new Intent(Intent.ACTION_SEND);
                     intent.setType("text/plain");
-                    intent.putExtra(Intent.EXTRA_TEXT, session.getEmulator().getScreen().getTranscriptText().trim());
+                    String transcriptText = session.getEmulator().getScreen().getTranscriptTextWithoutJoinedLines().trim();
+                    // See https://github.com/termux/termux-app/issues/1166.
+                    final int MAX_LENGTH = 100_000;
+                    if (transcriptText.length() > MAX_LENGTH) {
+                        int cutOffIndex = transcriptText.length() - MAX_LENGTH;
+                        int nextNewlineIndex = transcriptText.indexOf('\n', cutOffIndex);
+                        if (nextNewlineIndex != -1 && nextNewlineIndex != transcriptText.length() - 1) {
+                            cutOffIndex = nextNewlineIndex + 1;
+                        }
+                        transcriptText = transcriptText.substring(cutOffIndex).trim();
+                    }
+                    intent.putExtra(Intent.EXTRA_TEXT, transcriptText);
                     intent.putExtra(Intent.EXTRA_SUBJECT, getString(R.string.share_transcript_title));
                     startActivity(Intent.createChooser(intent, getString(R.string.share_transcript_chooser_title)));
                 }
@@ -833,18 +843,4 @@ public final class TermuxActivity extends Activity implements ServiceConnection
         }
     }
 
-    private void clearTemporaryDirectory() {
-        if (mTermService.getSessions().size() == 0 && !mTermService.isWakelockEnabled()) {
-            File termuxTmpDir = new File(TermuxService.PREFIX_PATH + "/tmp");
-            if (termuxTmpDir.exists()) {
-                try {
-                    TermuxInstaller.deleteFolder(termuxTmpDir);
-                } catch (Exception e) {
-                    e.printStackTrace();
-                }
-
-                termuxTmpDir.mkdirs();
-            }
-        }
-    }
 }

app/src/main/java/com/termux/app/TermuxFailsafeActivity.java

@@ -1,19 +0,0 @@
-package com.termux.app;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Bundle;
-
-public final class TermuxFailsafeActivity extends Activity {
-
-    public static final String TERMUX_FAILSAFE_SESSION_ACTION = "com.termux.app.failsafe_session";
-
-    @Override
-    public void onCreate(Bundle bundle) {
-        super.onCreate(bundle);
-        Intent intent = new Intent(TermuxFailsafeActivity.this, TermuxActivity.class);
-        intent.putExtra(TERMUX_FAILSAFE_SESSION_ACTION, true);
-        startActivity(intent);
-        finish();
-    }
-}

app/src/main/java/com/termux/app/TermuxService.java

@@ -16,6 +16,7 @@ import android.os.Build;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.PowerManager;
+import android.provider.Settings;
 import android.util.Log;
 import android.widget.ArrayAdapter;
 
@@ -112,6 +113,17 @@ public final class TermuxService extends Service implements SessionChangedCallba
                 mWifiLock = wm.createWifiLock(WifiManager.WIFI_MODE_FULL_HIGH_PERF, EmulatorDebug.LOG_TAG);
                 mWifiLock.acquire();
 
+                if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                    String packageName = getPackageName();
+                    if (!pm.isIgnoringBatteryOptimizations(packageName)) {
+                        Intent whitelist = new Intent();
+                        whitelist.setAction(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
+                        whitelist.setData(Uri.parse("package:" + packageName));
+                        whitelist.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                        startActivity(whitelist);
+                    }
+                }
+
                 updateNotification();
             }
         } else if (ACTION_UNLOCK_WAKE.equals(action)) {
@@ -136,7 +148,8 @@ public final class TermuxService extends Service implements SessionChangedCallba
                 mBackgroundTasks.add(task);
                 updateNotification();
             } else {
-                TerminalSession newSession = createTermSession(executablePath, arguments, cwd, false);
+                boolean failsafe = intent.getBooleanExtra(TermuxActivity.TERMUX_FAILSAFE_SESSION_ACTION, false);
+                TerminalSession newSession = createTermSession(executablePath, arguments, cwd, failsafe);
 
                 // Transform executable path to session name, e.g. "/bin/do-something.sh" => "do something.sh".
                 if (executablePath != null) {
@@ -214,7 +227,7 @@ public final class TermuxService extends Service implements SessionChangedCallba
         builder.setShowWhen(false);
 
         // Background color for small notification icon:
-        builder.setColor(0xFF000000);
+        builder.setColor(0xFF607D8B);
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
             builder.setChannelId(NOTIFICATION_CHANNEL_ID);
@@ -237,6 +250,18 @@ public final class TermuxService extends Service implements SessionChangedCallba
 
     @Override
     public void onDestroy() {
+        File termuxTmpDir = new File(TermuxService.PREFIX_PATH + "/tmp");
+
+        if (termuxTmpDir.exists()) {
+            try {
+                TermuxInstaller.deleteFolder(termuxTmpDir.getCanonicalFile());
+            } catch (Exception e) {
+                Log.e(EmulatorDebug.LOG_TAG, "Error while removing file at " + termuxTmpDir.getAbsolutePath(), e);
+            }
+
+            termuxTmpDir.mkdirs();
+        }
+
         if (mWakeLock != null) mWakeLock.release();
         if (mWifiLock != null) mWifiLock.release();
 
@@ -250,14 +275,6 @@ public final class TermuxService extends Service implements SessionChangedCallba
         return mTerminalSessions;
     }
 
-    public boolean isWakelockEnabled() {
-        if (mWakeLock == null) {
-            return false;
-        } else {
-            return mWakeLock.isHeld();
-        }
-    }
-
     TerminalSession createTermSession(String executablePath, String[] arguments, String cwd, boolean failSafe) {
         new File(HOME_PATH).mkdirs();
 
@@ -267,11 +284,13 @@ public final class TermuxService extends Service implements SessionChangedCallba
         boolean isLoginShell = false;
 
         if (executablePath == null) {
-            for (String shellBinary : new String[]{"login", "bash", "zsh"}) {
-                File shellFile = new File(PREFIX_PATH + "/bin/" + shellBinary);
-                if (shellFile.canExecute()) {
-                    executablePath = shellFile.getAbsolutePath();
-                    break;
+            if (!failSafe) {
+                for (String shellBinary : new String[]{"login", "bash", "zsh"}) {
+                    File shellFile = new File(PREFIX_PATH + "/bin/" + shellBinary);
+                    if (shellFile.canExecute()) {
+                        executablePath = shellFile.getAbsolutePath();
+                        break;
+                    }
                 }
             }
 

app/src/main/res/values/strings.xml

@@ -2,7 +2,6 @@
 <resources>
     <string name="application_name">Termux</string>
     <string name="shared_user_label">Termux user</string>
-    <string name="app_failsafe_mode">Termux (failsafe)</string>
     <string name="new_session">New session</string>
     <string name="new_session_failsafe">Failsafe</string>
     <string name="toggle_soft_keyboard">Keyboard</string>

app/src/main/res/xml/shortcuts.xml

@@ -1,5 +1,6 @@
 <shortcuts xmlns:tools="http://schemas.android.com/tools"
            xmlns:android="http://schemas.android.com/apk/res/android">
+
     <shortcut
         android:shortcutId="new_session"
         android:enabled="true"
@@ -11,4 +12,19 @@
             android:targetPackage="com.termux"
             android:targetClass="com.termux.app.TermuxActivity"/>
     </shortcut>
+
+    <shortcut
+        android:shortcutId="new_failsafe_session"
+        android:enabled="true"
+        android:icon="@drawable/ic_new_session"
+        android:shortcutShortLabel="@string/new_session_failsafe"
+        tools:targetApi="n_mr1">
+        <intent
+            android:action="android.intent.action.RUN"
+            android:targetPackage="com.termux"
+            android:targetClass="com.termux.app.TermuxActivity">
+            <extra android:name="com.termux.app.failsafe_session" android:value="true" />
+        </intent>
+    </shortcut>
+
 </shortcuts>

build.gradle

@@ -4,7 +4,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.2'
+        classpath 'com.android.tools.build:gradle:3.4.2'
     }
 }
 

terminal-emulator/src/main/java/com/termux/terminal/TerminalBuffer.java

@@ -41,7 +41,15 @@ public final class TerminalBuffer {
         return getSelectedText(0, -getActiveTranscriptRows(), mColumns, mScreenRows).trim();
     }
 
+    public String getTranscriptTextWithoutJoinedLines() {
+        return getSelectedText(0, -getActiveTranscriptRows(), mColumns, mScreenRows, false).trim();
+    }
+
     public String getSelectedText(int selX1, int selY1, int selX2, int selY2) {
+        return getSelectedText(selX1, selY1, selX2, selY2, true);
+    }
+
+    public String getSelectedText(int selX1, int selY1, int selX2, int selY2, boolean joinBackLines) {
         final StringBuilder builder = new StringBuilder();
         final int columns = mColumns;
 
@@ -79,7 +87,8 @@ public final class TerminalBuffer {
             }
             if (lastPrintingCharIndex != -1)
                 builder.append(line, x1Index, lastPrintingCharIndex - x1Index + 1);
-            if (!rowLineWrap && row < selY2 && row < mScreenRows - 1) builder.append('\n');
+            if ((!joinBackLines || !rowLineWrap)
+                && row < selY2 && row < mScreenRows - 1) builder.append('\n');
         }
         return builder.toString();
     }