Supporting Android 2.3.

.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
+	<classpathentry kind="src" path="gen"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

.gitignore

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+bin
+gen

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>NativeExe</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+      package="net.gimite.nativeexe"
+      android:versionCode="1"
+      android:versionName="1.0.0">
+    <application android:icon="@drawable/icon" android:label="@string/app_name">
+        <activity android:name=".MainActivity"
+                  android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
+</manifest> 

default.properties

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+# This file is automatically generated by Android Tools.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+# 
+# This file must be checked in Version Control Systems.
+# 
+# To customize properties used by the Ant build system use,
+# "build.properties", and override values to adapt the script to your
+# project structure.
+
+# Project target.
+target=android-4

res/layout/main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    >
+
+<TextView  
+    android:layout_width="fill_parent" 
+    android:layout_height="wrap_content" 
+    android:id="@+id/localPathLabel" android:text="Local exe path:"/>
+<LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal">
+	<EditText android:id="@+id/localPathEdit" android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_weight="1" android:text="/system/bin/ls"></EditText>
+	<Button android:id="@+id/localRunButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Run"></Button>
+</LinearLayout>
+
+<TextView  
+    android:layout_width="fill_parent" 
+    android:layout_height="wrap_content" 
+    android:id="@+id/urlLabel" android:text="URL to remote exe:"/>
+<LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal">
+	<EditText android:id="@+id/urlEdit" android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_weight="1" android:text="http://shimadzu.dip.jp/~gimite/arm-hello"/>
+	<Button android:id="@+id/remoteRunButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Run"></Button>
+</LinearLayout>
+
+<TextView android:id="@+id/outputView" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView>
+
+</LinearLayout>

res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="hello">Hello World, MainActivity</string>
+    <string name="app_name">Run Native Exe</string>
+</resources>

src/net/gimite/nativeexe/MainActivity.java

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+package net.gimite.nativeexe;
+
+import java.io.BufferedReader;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import net.gimite.nativeexe.R;
+import android.app.Activity;
+import android.os.Bundle;
+import android.os.Handler;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.*;
+
+public class MainActivity extends Activity {
+
+    private TextView outputView;
+	private Button localRunButton;
+	private EditText localPathEdit;
+	private Handler handler = new Handler();
+	private EditText urlEdit;
+	private Button remoteRunButton;
+
+	/** Called when the activity is first created. */
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main);
+
+        outputView = (TextView)findViewById(R.id.outputView);
+        localPathEdit = (EditText)findViewById(R.id.localPathEdit);
+        localRunButton = (Button)findViewById(R.id.localRunButton);
+        localRunButton.setOnClickListener(onLocalRunButtonClick);
+        urlEdit = (EditText)findViewById(R.id.urlEdit);
+        remoteRunButton = (Button)findViewById(R.id.remoteRunButton);
+        remoteRunButton.setOnClickListener(onRemoteRunButtonClick);
+    }
+
+	private OnClickListener onLocalRunButtonClick = new OnClickListener() {
+		public void onClick(View v) {
+			String output = exec(localPathEdit.getText().toString());
+			output(output);
+		}
+	};
+
+	private OnClickListener onRemoteRunButtonClick = new OnClickListener() {
+		public void onClick(View v) {
+			final String url = urlEdit.getText().toString();
+			final String localPath = "/data/data/net.gimite.nativeexe/a.out";
+			output("Downloading...");
+			Thread thread = new Thread(new Runnable() {
+				public void run() {
+					download(url, localPath);
+					exec("/system/bin/chmod 744 " + localPath);
+					output("Executing...");
+					String output = exec(localPath);
+					output(output);
+				}
+			});
+			thread.start();
+		}
+	};
+
+	// Executes UNIX command.
+    private String exec(String command) {
+        try {
+            Process process = Runtime.getRuntime().exec(command);
+            BufferedReader reader = new BufferedReader(
+                    new InputStreamReader(process.getInputStream()));
+            int read;
+            char[] buffer = new char[4096];
+            StringBuffer output = new StringBuffer();
+            while ((read = reader.read(buffer)) > 0) {
+                output.append(buffer, 0, read);
+            }
+            reader.close();
+            process.waitFor();
+            return output.toString();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private void download(String urlStr, String localPath) {
+    	try {
+			URL url = new URL(urlStr);
+			HttpURLConnection urlconn = (HttpURLConnection)url.openConnection();
+			urlconn.setRequestMethod("GET");
+			urlconn.setInstanceFollowRedirects(true);
+			urlconn.connect();
+			InputStream in = urlconn.getInputStream();
+			FileOutputStream out = new FileOutputStream(localPath);
+			int read;
+			byte[] buffer = new byte[4096];
+			while ((read = in.read(buffer)) > 0) {
+				out.write(buffer, 0, read);
+			}
+			out.close();
+			in.close();
+			urlconn.disconnect();
+		} catch (MalformedURLException e) {
+			throw new RuntimeException(e);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+    }
+
+    private void output(final String str) {
+    	Runnable proc = new Runnable() {
+			public void run() {
+				outputView.setText(str);
+			}
+    	};
+    	handler.post(proc);
+    }
+
+}