example: Add new activity to demonstrate Interactive API usage

Signed-off-by: Jorrit Jongma <[email protected]>

libsuperuser_example/AndroidManifest.xml

@@ -22,6 +22,7 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name="InteractiveActivity"></activity>
 
 		<receiver android:name=".BootCompleteReceiver">
 			<intent-filter>
@@ -33,4 +34,4 @@
 		<service android:name=".BackgroundIntentService" />"        
     </application>
 
-</manifest>
+</manifest>

libsuperuser_example/src/eu/chainfire/libsuperuser_example/InteractiveActivity.java

@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2012 Jorrit "Chainfire" Jongma
+ * Copyright (C) 2013 Kevin Cernekee
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package eu.chainfire.libsuperuser_example;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import eu.chainfire.libsuperuser.Shell;
+
+import android.os.Bundle;
+import android.app.Activity;
+import android.app.ProgressDialog;
+import android.content.Intent;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+public class InteractiveActivity extends Activity {
+
+	private static Shell.Interactive rootSession;
+
+	private void updateResultStatus(boolean suAvailable, List<String> suResult) {
+		StringBuilder sb = (new StringBuilder()).
+				append("Root? ").append(suAvailable ? "Yes" : "No").append((char)10).
+				append((char)10);
+			if (suResult != null) {
+				for (String line : suResult) {
+					sb.append(line).append((char)10);
+				}
+			}
+			((TextView)findViewById(R.id.text)).setText(sb.toString());
+	}
+
+	private void reportError(String error) {
+		List<String> errorInfo = new ArrayList<String>();
+		errorInfo.add(error);
+		updateResultStatus(false, errorInfo);
+		rootSession = null;
+	}
+
+	private void sendRootCommand() {
+		rootSession.addCommand(new String[] { "id", "date", "ls -l /" }, 0,
+				new Shell.OnCommandResultListener() {
+			public void onCommandResult(int commandCode, int exitCode, List<String> output) {
+				if (exitCode < 0) {
+					reportError("Error executing commands: exitCode " + exitCode);
+				} else {
+					updateResultStatus(true, output);
+				}
+			}
+		});
+	}
+
+	private void openRootShell() {
+		if (rootSession != null) {
+			sendRootCommand();
+		} else {
+			// We're creating a progress dialog here because we want the user to wait.
+			// If in your app your user can just continue on with clicking other things,
+			// don't do the dialog thing.
+			final ProgressDialog dialog = new ProgressDialog(this);
+			dialog.setTitle("Please wait");
+			dialog.setMessage("Requesting root privilege...");
+			dialog.setIndeterminate(true);
+			dialog.setCancelable(false);
+			dialog.show();
+
+			// start the shell in the background and keep it alive as long as the app is running
+	        rootSession = new Shell.Builder().
+	        		useSU().
+	        		setWantSTDERR(true).
+	        		setWatchdogTimeout(5).
+	        		setMinimalLogging(true).
+	        		open(new Shell.OnCommandResultListener() {
+
+	        	// Callback to report whether the shell was successfully started up 
+	        	@Override
+	        	public void onCommandResult(int commandCode, int exitCode, List<String> output) {
+	        		// note: this will FC if you rotate the phone while the dialog is up
+	        		dialog.dismiss();
+
+	        		if (exitCode != Shell.OnCommandResultListener.SHELL_RUNNING) {
+	        			reportError("Error opening root shell: exitCode " + exitCode);
+	        		} else {
+	        			// Shell is up: send our first request 
+	        			sendRootCommand();
+	        		}
+	        	}
+	        });
+		}
+	}
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        // mode switch button
+        Button button = (Button)findViewById(R.id.switch_button);
+        button.setText(R.string.disable_interactive_mode);
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+            	startActivity(new Intent(v.getContext(), MainActivity.class));
+            	finish();
+            }
+        });
+
+        // refresh button
+        ((Button)findViewById(R.id.refresh_button)).
+        	setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                	openRootShell();
+                }
+            });
+
+        openRootShell();
+    }
+}