PawletOS/app_Settings
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Improve the add-device-admin layout.

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Make it so that the app's explanation comes before the list of possible
policies. This gives the app a chance to explain itself instead of having
the explanation hidden below the fold. To avoid situations in which one
bunch of text items can obscure the other, use an expandable/ellipsizable
TextView with an indicator image. This resolves b/2992594.

Change-Id: I0eb0d0c46bb4be2ec2e019d741915537e1fcc592
This commit is contained in:
Chris Palmer
2010-09-13 15:14:55 -07:00
parent 54e21852f2
commit 51794a05ad
2 changed files with 102 additions and 38 deletions
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42
src/com/android/settings/DeviceAdminAdd.java
View File

@@ -35,9 +35,12 @@ import android.content.res.Resources;
import android.os.Bundle;
import android.os.Handler;
import android.os.RemoteCallback;
import android.text.TextUtils.TruncateAt;
import android.util.Log;
import android.view.Display;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.AppSecurityPermissions;
import android.widget.Button;
import android.widget.ImageView;
@@ -50,6 +53,10 @@ public class DeviceAdminAdd extends Activity {
static final String TAG = "DeviceAdminAdd";
static final int DIALOG_WARNING = 1;
private static final int MAX_ADD_MSG_LINES_PORTRAIT = 5;
private static final int MAX_ADD_MSG_LINES_LANDSCAPE = 2;
private static final int MAX_ADD_MSG_LINES = 15;
Handler mHandler;
@@ -62,6 +69,7 @@ public class DeviceAdminAdd extends Activity {
TextView mAdminName;
TextView mAdminDescription;
TextView mAddMsg;
boolean mAddMsgEllipsized = true;
TextView mAdminWarning;
ViewGroup mAdminPolicies;
Button mActionButton;
@@ -138,7 +146,17 @@ public class DeviceAdminAdd extends Activity {
mAdminIcon = (ImageView)findViewById(R.id.admin_icon);
mAdminName = (TextView)findViewById(R.id.admin_name);
mAdminDescription = (TextView)findViewById(R.id.admin_description);
mAddMsg = (TextView)findViewById(R.id.add_msg);
mAddMsg.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
toggleMessageEllipsis(v);
}
});
// toggleMessageEllipsis also handles initial layout:
toggleMessageEllipsis(mAddMsg);
mAdminWarning = (TextView)findViewById(R.id.admin_warning);
mAdminPolicies = (ViewGroup)findViewById(R.id.admin_policies);
mCancelButton = (Button)findViewById(R.id.cancel_button);
@@ -280,5 +298,27 @@ public class DeviceAdminAdd extends Activity {
mAdding = true;
}
}
void toggleMessageEllipsis(View v) {
TextView tv = (TextView) v;
mAddMsgEllipsized = ! mAddMsgEllipsized;
tv.setEllipsize(mAddMsgEllipsized ? TruncateAt.END : null);
tv.setMaxLines(mAddMsgEllipsized ? getEllipsizedLines() : MAX_ADD_MSG_LINES);
ImageView iv = (ImageView) findViewById(R.id.add_msg_expander);
iv.setImageResource(mAddMsgEllipsized ?
com.android.internal.R.drawable.expander_ic_minimized :
com.android.internal.R.drawable.expander_ic_maximized);
}
int getEllipsizedLines() {
Display d = ((WindowManager) getSystemService(Context.WINDOW_SERVICE))
.getDefaultDisplay();
return d.getHeight() > d.getWidth() ?
MAX_ADD_MSG_LINES_PORTRAIT : MAX_ADD_MSG_LINES_LANDSCAPE;
}
}