move android stuff to contrib/android

contrib/android/make_apk

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+set -e
+
+CONTRIB_ANDROID="$(dirname "$(readlink -e "$0")")"
+ROOT_FOLDER="$CONTRIB_ANDROID"/../..
+PACKAGES="$ROOT_FOLDER"/packages/
+LOCALE="$ROOT_FOLDER"/electrum/locale/
+
+if [ ! -d "$LOCALE" ]; then
+  echo "Run pull_locale first!"
+  exit 1
+fi
+
+if [ ! -d "$PACKAGES" ]; then
+  echo "Run make_packages first!"
+  exit 1
+fi
+
+pushd ./contrib/android
+
+make theming
+
+if [[ -n "$1"  && "$1" == "release" ]] ; then
+    echo -n Keystore Password:
+    read -s password
+    export P4A_RELEASE_KEYSTORE=~/.keystore
+    export P4A_RELEASE_KEYSTORE_PASSWD=$password
+    export P4A_RELEASE_KEYALIAS_PASSWD=$password
+    export P4A_RELEASE_KEYALIAS=electrum
+    # build two apks
+    export APP_ANDROID_ARCH=armeabi-v7a
+    make release
+    export APP_ANDROID_ARCH=arm64-v8a
+    make release
+else
+    export P4A_DEBUG_KEYSTORE="$CONTRIB_ANDROID"/android_debug.keystore
+    export P4A_DEBUG_KEYSTORE_PASSWD=unsafepassword
+    export P4A_DEBUG_KEYALIAS_PASSWD=unsafepassword
+    export P4A_DEBUG_KEYALIAS=electrum
+    # create keystore if needed
+    if [ ! -f "$P4A_DEBUG_KEYSTORE" ]; then
+        keytool -genkey -v -keystore "$CONTRIB_ANDROID"/android_debug.keystore \
+            -alias "$P4A_DEBUG_KEYALIAS" -keyalg RSA -keysize 2048 -validity 10000 \
+            -dname "CN=mqttserver.ibm.com, OU=ID, O=IBM, L=Hursley, S=Hants, C=GB" \
+            -storepass "$P4A_DEBUG_KEYSTORE_PASSWD" \
+            -keypass "$P4A_DEBUG_KEYALIAS_PASSWD"
+    fi
+    # build two apks (only one on Travis CI)
+    export APP_ANDROID_ARCH=armeabi-v7a
+    make apk
+    if [ ! $CI ]; then
+        export APP_ANDROID_ARCH=arm64-v8a
+        make apk
+    fi
+fi
+
+popd