First tutorial.

gst-sdk/tutorials/android-tutorial-1/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+      package="com.gst_sdk_tutorials.tutorial_1"
+      android:versionCode="1"
+      android:versionName="1.0">
+    <uses-sdk android:minSdkVersion="9" android:targetSdkVersion="14"/>
+    <application android:label="@string/app_name"
+                 android:icon="@drawable/gst_sdk_icon">
+        <activity android:name=".Tutorial1"
+                  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>
+</manifest> 

gst-sdk/tutorials/android-tutorial-1/jni/Android.mk

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+# Copyright (C) 2009 The Android Open Source Project
+#
+# 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.
+#
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE    := tutorial-1
+LOCAL_SRC_FILES := tutorial-1.c
+LOCAL_SHARED_LIBRARIES := gstreamer_android
+include $(BUILD_SHARED_LIBRARY)
+
+ifndef GSTREAMER_SDK_ROOT
+ifndef GSTREAMER_SDK_ROOT_ANDROID
+$(error GSTREAMER_SDK_ROOT_ANDROID is not defined!)
+endif
+GSTREAMER_SDK_ROOT        := $(GSTREAMER_SDK_ROOT_ANDROID)
+endif
+GSTREAMER_NDK_BUILD_PATH  := $(GSTREAMER_SDK_ROOT)/share/gst-android/ndk-build/
+GSTREAMER_PLUGINS         := coreelements
+G_IO_MODULES              := gnutls
+include $(GSTREAMER_NDK_BUILD_PATH)/gstreamer.mk

gst-sdk/tutorials/android-tutorial-1/jni/tutorial-1.c

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+#include <string.h>
+#include <jni.h>
+#include <gst/gst.h>
+
+/*
+ * Java Bindings
+ */
+jstring gst_native_get_gstreamer_info (JNIEnv* env, jobject thiz) {
+  return (*env)->NewStringUTF(env, gst_version_string());
+}
+
+static JNINativeMethod native_methods[] = {
+  { "nativeGetGStreamerInfo", "()Ljava/lang/String;", (void *) gst_native_get_gstreamer_info}
+};
+
+jint JNI_OnLoad(JavaVM *vm, void *reserved) {
+  JNIEnv *env = NULL;
+
+  if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_4) != JNI_OK) {
+    GST_ERROR ("Could not retrieve JNIEnv");
+    return 0;
+  }
+  jclass klass = (*env)->FindClass (env, "com/gst_sdk_tutorials/tutorial_1/Tutorial1");
+  (*env)->RegisterNatives (env, klass, native_methods, G_N_ELEMENTS(native_methods));
+
+  return JNI_VERSION_1_4;
+}

gst-sdk/tutorials/android-tutorial-1/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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical" >
+
+    <TextView
+        android:id="@+id/textview_info"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center_vertical|center_horizontal"
+        android:textAppearance="?android:attr/textAppearanceLarge" />
+
+</LinearLayout>

gst-sdk/tutorials/android-tutorial-1/res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Android tutorial 1</string>
+</resources>

gst-sdk/tutorials/android-tutorial-1/src/com/gst_sdk_tutorials/tutorial_1/Tutorial1.java

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+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * 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 com.gst_sdk_tutorials.tutorial_1;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.gst_sdk.GStreamer;
+
+public class Tutorial1 extends Activity {
+    private native String nativeGetGStreamerInfo();
+
+    /* Called when the activity is first created. */
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+
+        try {
+        GStreamer.init(this);
+        } catch (Exception e) {
+            Toast.makeText(this, e.getMessage(), Toast.LENGTH_LONG).show();
+            finish(); 
+            return;
+        }
+
+        setContentView(R.layout.main);
+        
+        TextView tv = (TextView)findViewById(R.id.textview_info);
+        tv.setText("Welcome to " + nativeGetGStreamerInfo() + " !");
+    }
+
+    static {
+        System.loadLibrary("gstreamer_android");
+        System.loadLibrary("tutorial-1");
+    }
+
+}